Pressure Limiting Valve Bypass – Vent Tube Restrictor Accufab's 2-Barrel and 4-Barrel Vent Tube Fuel Restrictors are designed to minimize or restrict raw fuel surge through the vent tubes without restricting the vent tube’s ability to …Fuel line restrictor is installed in the return line from the carburetor to the tank. The restrictor is Shop our selection of null in the Department at The Home Depot. Typical Failure Modes of the SPICA Fuel Supply System. Purpose of the Rising Rate Regulator The Cartech regulators are designed specifically to add fuel to modified EFI engines (turbos, superchargers, and normally aspirated). As an alternative, some users simply use a short piece of thin wall tubing as a bend restrictor. Watercraft; Marine; Motocross; ATV / UTV; Sport Bike; Metric Cruiser; American Cruiser5/30/2008 · Do I need an oil feed line restrictor on a mitsu 20g, I want to run my feed line from the filter housing. It’s extensive because that’s what you need to keep up with a complexPOLARIS - RESTRICTOR,FUEL RTN. Turbo Oil Feed Line 90 Degree (50") Inch Long with Oil Restrictor Flange Build in Automotive Replacement Fuel System Fittings; Garage & Shop Products See All 10 "The presence of the restrictor, which actually accelerates the gases flowing through it and directs the air flow to the center of the turbocharger's compressor wheel, essentially increases the engine torque. The small fuel line is the suction line providing gas to your carburetor from the gas tank. 7/24/2018 · Re: fuel return line restrictor thanks alot for the replys i was also told to use a #60. Prior art keywords restrictor fuel surge inlet liquid Prior art date 1995-03-29 Legal status (The legal status is an assumption and is not a legal conclusion. The number indicates the size of the small hole in the fitting. Note: Different turbo has different oil inlet thread. Installs into fuel return line between carburetors and fuel tank. You may have to register before you can post: click the register link above to proceed. com/forum/fuel-line-return-question-464954. 38 is 76. The fuel evaporation system is designed to prevent the escape Celica GT-S uses a restrictor in the purge line to control the amount of vapor flow admitted to the combustion chambers. They want to keep the fuel return system which is fine. This fitting is a modified AN823-4 and the restriction is a . The fuel line allows fuel to travel from the fuel tank to the carburetor and from the primer bulb to the fuel system. This site was designed and produced solely by Pelican Parts. This raises the fuel pressure in the system, a necessity when using a remote fuel pump. if its not to much to ask why the restrictor does the fuel actualy run thru that fast does it create a differant pressure on the pump or pop off pressure anyway thanks again this is a …Since the Q Series introduction, Quick Fuel has expanded their line to include Professional Series carburetors for the hard core racer, both drag and circle track, to the awesome performance of their Dominator Series carburetors. What I just fouThe bottom line is that if you do have the fuel return line, that line must have the restrictor in it. All diesel engines use fuel injection by design. 300 Pull Type: Standard Equipment • One Patented Freestanding Vertical Cutting Auger • Manual Restrictor Plates • Heavy-Duty, Two-Stage Planetary Drive Inside the ½” fuel line the fuel would be traveling at 2 ft/second and inside the 3/8″ fuel line just over 3 ft per second. Thanks for all your help and responses - Solex 31 PIC For Sale soon !Buy Turbo Oil Feed Line 90 Degree (50") Inch Long with Oil Restrictor Flange Build in: Oil Supply Lines - Amazon. First time on and I'm right in the brown stuff I need help to find a set of fuel lines for my TD5 discovery 2 Part number WJP108110 Yep another leak from above the tank, pulled it all out and the green line …“IN” is for the fuel line from the stock regulator. Fuel line from the tank to the pump is standard ½" internal diameter and rest is 8mm (5/16") internal5/30/2008 · Do I need an oil feed line restrictor on a mitsu 20g, I want to run my feed line from the filter housing. 00 Neat Fuel Jugs to use as designated Kart Racing Fuel! 1 gallon Jug $21. Yes, I agree that sometimes their words are hard to understand. lighten fuel line union nut (AN-805-2) to a torque value of 25-50 pound-inches. 8 mm, 2 mm, etc. To select from diameters of 0. We utilize the same numbering system as Detroit Diesel. eu/other/30492-restryktor-oleju. Mott Flow Restrictors provide compact, long-lasting flow control coupled with: A cost-effective design - Mott's simple flow restrictor design consists of a porous metal element inside a standard fitting, providing maximum strength and reliability at a minimum cost. 99 Oil Restrictor for Chevy Engines has an oil restrictor kit. Thus, an 18 gpd membrane needs about a 70 gallon per day flow restrictor. Oil inlet restrictor for all T3, T3/T4, T04, T72 etc. Pre-tapped and threaded to accept Mikuni Main Jet (Jets not included). Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector. 9mm (0. The entire fuel system is under pressure and this could lead to a catastrophe. S. Anyone use them?27 Feb 2006 I just put a high output fuel pump in my ski . Do our planes use that restrictor in the case and a regular oil pressure hose to the gauge or is the restrictor in the hose. F. I had to admit my ignorance when I said that I thought the restrictor went on the line from the header to the wing tanks to prevent emptying of the header too quickly. $7. brake line fittings, grease fittings, hose fittings and air brake fittings from Edelmann’s line of over 1000 parts. After pulling fuel from a vented fuel tank, the fuel is delivered through a barrel valve that controls the amount of fuel with the position of the air valve. My restrictor came with the 2nd hand engine I bought. You may also like. Get Your Isuzu NPR Fuel Filter And Fuel Line from AutoZone. RepairClinic Item # 1987548. In the case of a gasoline engine, airflow is always the limiting factor. Gates application engineers and automotive experts have spent decades developing the most comprehensive automotive power transmission and fluid power selection in the aftermarket, with OE fit parts for your belt drive, engine cooling, fuel, emission control systems, and more. by Boost Monkey. Only at Kart Parts Depot!. Copper Turbo Oil Feed Restrictor Fitting for many Turbos, GT35, T25, T28, T3, T4, T6AN4 Fitting Size to Oil Line M12 x1. All catalytic converter cars areequipped with a filler pipe restrictor so that leaded fuel, which is dispensed from athicker nozzle, cannot be introduced into the fuel system. What can happen is the outboard will run lean at high speeds. Steel fuel line will likely maintain its integrity in the event of a collision. 8/31/2012 · Fuel return line restrictor If this is your first visit, be sure to check out the FAQ by clicking the link above. php?t=177671Jun 4, 2012 There are several ways to do the restrictor either with a jet installed in an 97-99 GP1200's have a smaller fuel line so it is necessary to either The fuel pumps are weak, fuel lines go bad, the fuel select valves go bad, and your What is a fuel line restrictor, and where is it supposed to be located?Restrictors: The Lee Company offers a wide selection of field-proven single and of demanding applications, including aerospace hydraulic and fuel systems, with the largest minimum passage sizes in Lee's line of precision flow restrictors. Fuel lines can carry fuel from the pump to the injectors and they can age, crack and split. From tank in a #6 hose to the primary fuel filter, from the primary fuel filter to the fuel pump. Easy to install and fixed 90% of fuel delivery problems on the rhino. Low pressure. The filter ensures that no materials other than the gas is supplied to the carburetor. Find your desired part number under Part type Restrictor And Check Valve and get a quote fast. The “IN” and “OUT” of the new regulators (2022-2027) are slightly different, as there is only an "IN" label. net/forums/showthread. 2020. Shop with confidence. Buy Autobahn88 Turbo Oil Feed Fitting -4AN with 0. Designed to improve throttle response and reduce lean conditions in power band, our Fuel Return Line Restrictor installs into fuel return line between Designed to improve throttle response and reduce lean conditions in power band. Im currently working on fabricating some extruded aluminum fuel rails to replace the factory setup for the SU carburetors for some of the guys in my local Datsun club. We provide the right products at the right prices. NOTE: To search for a specific publication, use the search bar located at the top, right hand corner of the screen. These allow supplying fuel to the carburettor, to return excess fuel to the tank, and to carry fuel vapour. This is threa. com/products/riva-fuel-line-return-restrictorDesigned to improve throttle response and reduce lean conditions in power band, our Fuel Return Line Restrictor installs into fuel return line between carburetors and fuel tank, restricting fuel return rate, increasing pressure to carburetors. 1. comhttps://jetskidaily. 2 X OMC, Johnson, Evinrude outboard fuel connections. 1. g. TROUBLE SHOOTING. Some of the specifications of the given valve that originally comes from the factory, are stamped on the nameplate located on the spring case flange. JEGS carries fuel system accessories like carburetor fuel line fittings, dual feed carb line kits, chrome fuel lines, braided carb fuel line kits and more at the best prices available. htmlOil restrictor made of stainless steel ensures optimum lubrication of bearings while protecting seals against excessive oil pressure. This is threaded to accept a mikuni main jet. That manual is written by people who's first language is not English. php/forums/general/503-fuel-restrictor11/7/2018 · The new pump is on the way and the seller reminded me that the fuel restrictor fitting on it will need to be added. Proudly manufactured in …Johnson, Evinrude, OMC fuel line. Find great deals on eBay for jet ski fuel line. Coming out of the accessory case is a hydraulic fitting with 1/8 in pipe thread on one end and a 1/4 inch flare on the other. For 1981 Mercedes 380SLC Fuel Filler Restrictor Genuine 84837RY. A. the valve you are seeing is used in Автор: TechTrixInfoГледания: 11KFuel line return question - Hot Rod Forum : Hotrodders https://www. 9-Liter TDI Engine with Pump Injection (Pumpe Düse) Design and Function Self-Study Program Course Number 841303. nozzle incorporates a calibrated fuel restrictor (jet), the size of which is determined by; 1) the fuel pressure available at maximum horse power, 2) the total fuel flow required at maximum horsepower, and 3) the number of injector nozzles used on the engine. 1/31/2007 · The restrictor allows excess fuel pressure to return to the line and not try to overcome the float levels in the carbs. Detailed Product Specs: This is an OEM fuel line kit for Poulan WeedEater Chainsaws, trimmers, and blowers. The 93's did not come with a restrictor in the reurn line that I know of . This kit is a great replacement for your OEM fuel pump whether you have a stock engine or a performance engine. There is a number stamped into the end of it. 854. We have the lowest prices on kart restrictor plates. 5 S334_032 High pressure fuel system The fuel pressure in the high pressure fuel system ranges from 30 to 110 bar. The restrictor is a 90 degree brass fitting in the return line to the fuel tank. turbos (also larger ball bearing turbos such as GT4088R, GT4094R, GT4294R, GT4202R). ). The Lee Company offers a wide selection of field-proven single and multiple orifice precision flow restrictors for a variety of demanding applications, including aerospace hydraulic and fuel systems, oil tools, race cars, and other sophisticated fluid power systems. Restrictor diameter of . The photo below shows the routing of the return fuel line into the Fuel tank. Vibrant Oil Line Fittings. Items in search results. Fuel line restrictor is installed in the return line from the carburetor to the tank. Fuel Line Hose: SAE 30R7, 30R9, Oil Cooler Hose. Set your fuel system up right with the correct fuel system components and accessories from JEGS Poulan Pro Chainsaw Parts. html1/19/2017 · My weber carb man (Bud with Redline Weber) wants me to run a fuel return line with a restrictor on my new dual DCOE setup on my 33 Ford hot rod to prevent any boiling in the fuel bowls. This is used in hydraulic circuits to reduce the flow of hydraulic oil in one direction. Use this to fine tune the fuel pressure in your carbs. Experience in a Book Fuel System Maintenance . So, this is why fuel supply lines must be large, and the longer the lines get, requiring more fittings, valves, manifolds, etc. Nomenclature 951391 Preformed Packing Remove shipping cap and connect fuel line to nozzle. 060" hole drilled through it and screwed into the AN-4 fitting used at the front of the fuel log. The 85 durometer provides for abrasion, kink, tear, oxidation & chemical resistance so it is very strong & stays flexible. The fuel line acts as a throttle stop and as the child progresses in skill, you can trim the fuel line or cut a new shorter line that will allow the rider to have more throttle. I'm trying to decide whether I should run the line back to the suction side of the electric fuel pump using a Y AN fitting, or, run it back to the fuel tank and tie it in to the vent line (which is at the top The restrictor is a 10-32 Allen head set screw, with a . Goes to a tee or Y fitting that branches, one going up to a one-way valve to allow air IN, up to thru-hull to a breath bugle fitting. Restrictor Return line Fuel filter with pressure limiting valve Fuel tank. The Arctic Cat F7, M7 motor tends to run rich and can be metered back to run at the optimum pressure. 040" hole. If any part of the line is accessible to much An improved fuel filler restrictor assembly including a reinforcing wall member adjacent to the aperture through which a fuel filling nozzle is inserted. Matching Results: Fuel Line 1 & 3 Gallon Fuel Jugs – $ 21. Mechanical fuel injection works with a simple throttle-controlled air valve and a fuel pump, usually running at one-half engine speed. Seems I'd heard Univair sells the hose, and they are pretty proud of it, just wondered if it had the restrictor built in. 0 Thread to Turbo. Does the GSX limited have a fuel return line restrictor? If it does and this restrictor is missing So a @BRANDO6X and I are trying to figure out if we need a fuel line restrictor (with changeable jets) in our return fuel lines or not? We are The valve could be to stop fuel from draining out of the return line and prevent air going back up the return, and it may also provide a restriction to maintain some sort of back pressure while the engine is running. Jet Parts 360 delivers, with the speed, quality and global service you demand. Material Availability: Part No. If you install a return between the fuel pump and carb, it should have a restrictor in it, or too much fuel will return to …4/2/2010 · There is a restrictor in the case where the pressure line hooks up. Return fuel line restrictor. I ran my 14b just fine from the filter housing with no restrictor i just wanted to be sure I'm not going to mess the new turbo up. After passing through the restrictor, the fuel passes though the segregated top section of the main fuel filter (containing the PRV) and then back to the fuel tank. All outboards 40hp …The fuel vent line overflow restrictor of the invention provides a device which quickly and effectively arrests liquid fuel surges through a vent line to prevent discharge of liquid fuel overboard into the environment, and which normally allows venting and atmospheric pressure equalization within the fuel …For example, the standard flow restrictor used for an 18 gallon per day membrane is a 200 mlm restrictor. Find great deals on eBay for fuel restrictor. Obviously, the fittings should be the same size as the fuel line. Grid is 1 inch square. SERVICE INSTRUCTION October 18, 1985 Service Instruction No. 8/13/2012 · I think that there is a restrictor fitting in the fuel return line or at the outlet of the pump. 00 3 Gallon, $26. . 8807 Phone: 954. Nov 4, 2017 Fuel pump return line restrictor. hotrodders. 1414A a removable fuel restrictor. , Inc. 7/31/2015 · The best throttle restrictor is cutting a piece of fuel line to install between the carb slide and the top cap of the carb. We are leading distributor of Restrictor And Check Valve components. 5/27/2012 · Hey I did a swap and cannot remember for the life of me what side of the fuel the restrictor is? Its the butt connector. This raises the fuel pressure in the system, a necessity when using a remote fuel 5 Jun 2010 Any one know where I can get a return line fuel restrictor, or what I can use for one? My 1993 750 polaris has new fuel lines from previous 30 Aug 2012 Fuel return line restrictor. It looks like a brass plug in the return fuel line, and it has a tiny hole driller through the center. You may also benefit from a …Статус: разрешенОтговори: 3Oil restrictor - FMIChttps://fmic. Since it is an individual throttle body setup, the manifold vacuum is going to be quite jumpy, especially at idle. Printed 10/2003 Course Number 841303 restrictor into the fuel return line. made my own return line for next to nothing holley carb holley carburetor  Carburetor Drilled Return Pressure Balancing Modification GPR, XLT greenhulk. The new pump is on the way and the seller reminded me that the fuel restrictor fitting on it will need to be added. Quick shipping from multiple locations in the USA! $41. Where is it recommended that It appears I am not getting fuel to the rear cylinder. For your convenience, you can access our inventory through the product links listed below. Pelican Parts is not associated with Porsche Cars North America in any manner, except for a mutual appreciation and love of the cars. Its about 18" from either the inlet line or the return line. Pre-tapped and threaded to accept Mikuni Main Jun 7, 2015 Solving the Holley carb or any other type of carb vapor locking issues. 6 mm for plain bearings (other versions upon request; e. Our OEM replacement parts carry a two year warranty and remanufactured parts carry a one year warranty. The way the FPR works is that it is differential pressure between the manifold and the fuel. Kit comes with a 100 main jet. Garage Exhaust Hose (Crushproof Flarelok) Garden & Washdown Water Hose. A single inlet restrictor predictably and controllably limits airflow and thereby power. FUEL ODOR OR GAS LEAKS Disconnected or cracked fuel vapor line or defective 6/9/1998 · The fuel vent line overflow restrictor of the invention provides a device which quickly and effectively arrests liquid fuel surges through a vent line to prevent discharge of liquid fuel overboard into the environment, and which normally allows venting and atmospheric pressure equalization within the fuel tank. Make a drawing of the fuel …8/27/2009 · Fuel line restrictors can be bypassed by running a new filtered line from the tank provided your carb can handle free flow. com FREE DELIVERY possible on eligible purchasesРецензии: 6RIVA FUEL LINE RETURN RESTRICTOR - jetskidaily. Fuel lines must be routed so as to remain as cool as possible. I came across these and was wondering if they actually yield a perf result. Fuel line (Large). Information. 2 fuel systems engine/ gaskets exhaust drive line handling electrical waterline /bilge steering & controls body accessories service tools /hardware chemicalLike the fuel line, fuel line fittings are also a very important element in the total fuel line system and should not be overlooked. LINE. 9 mm for ball bearings and 1. 200 times . The pressure range may vary from engine to engine. After looking at a The 1/4" Quick Disconnect / Fuel Restrictor can be used as fuel line quick disconnect and/or for fuel restriction. Fuel injection technology has been found to be one of the most important technical advances in stock automobiles since NASCAR was founded in 1947. After looking at a few things, it finally hit me that my return line …The components of the fuel system are connected by fuel and vapour lines and hoses. (Fuel low-pressure light ON, or intermittently ON) clogged filters, very low fuel level in the fuel tank, an incorrectly sized restrictor in the FI pump outlet fitting, collapsed hose Accufab offers fuel regulators, fuel gauges, fuel line couplers, dual fuel injector bungs, fuel pressure rebuild kits,and vent tube restrictors for all your high perfomance needs. Genuine Fuel Tank Inlet Restrictor 0 results. The large fuel line is the gas return line from the carburetor. For what it's worth, Ford used 5/16" fuel line for 351 engines. TOPIC: [21096] 6V92 Fuel Restrictor Fittings Sea trialed our 6V92TA rebuilds and noted a few items of concern: Using a hand held IR temp gauge to check exhaust temps on the dry turbos, at 2000 RPM loaded, 3 were in the mid 800’s one was 950. 95. Avoid sharp turns or bends in the fuel line rout-Fuel injection in NASCAR reflects the technology used by production Toyota, Chevrolet, and Ford vehicles on the road today. Replace any suspect lines with new ones from Pelican. Our extensive aircraft …7/7/2012 · Hey everyone, I have what seems to be a bit of a dilemma. Engine to Hose Connection off Fuel Tank; 1 supply line 3/8" ( in 2 easy to install sections), 1 return line 5/16"( in 2 easy to install sections), 1 vapor line 5/16" ( in 2 easy to install sections), line between fuel filter and flex fuel sensor, hoses to engine connection, hoses to join rear anWe have the best quality go kart restrictor plates. “OUT” is the return line heading back to the fuel tank. This restriction is in the form of a #42 drill hole in the inlet side of the fitting. Also, if at all possible, you want to mini-mize the use of 90° fittings. OEM is the abbreviation for Original Equipment Manufacturer. Currently, no production automobile manufacturers use carburetors as a part of the fuel delivery system. As I have been driving around to break in the engine, I started having fuel delivery problems. It fits for 83 Volkswagen Group vehicles which were sold in Local Market, USA, Mexico, China, FAW VW, Brazil, South Africa, Argentina, Shanghai, and Spain. An oil/fuel flow restrictor fitting designed to fit the Lycoming engine oil pressure port as well as the fuel pressure port on the KB-090-T. 4 times 18 = 72. 035") Restrictor, fit TurboCharger Garrett GT28 GT30 GT35: Automotive - Amazon. $19. Any excess unused gas is sent straight back to the gas tank. This part has been discontinued by the manufacturer or is no longer available. I can not tell you what size my restrictor is unless I strip the system. Автор: David DeYoungГледания: 35KErcoupe Owners Club - Fuel restrictor - Ercoupe Owners Clubhttps://ercoupe. 96; For VW Beetle Golf Fuel Line Fuel Tank to Fuel Filter Inlet GENUINE 1J0201293P. Toll Free: 877. 11/7/2002 · Simple fuel system. This is a banjo bolt withexcess fuel line restrictor for Audi, Seat and Volkswagen vehicles. Boost Monkey -4AN Turbo Oil Feed Restrictor Fitting. That's about the normal ratio. org/index. com. Description and Features. Tank, Sump, Pump, Lines . Includes stainless steel hose clamps. Racing Braided Fuel Line This premium polyurethane fuel line has a strong nylon inner band to withstand pressure from fuel injectors up to 200 PSI. 989. The 1/4" Quick Disconnect / Fuel Restrictor can be used as fuel line quick disconnect and/or for fuel restriction. Installed at the oil inlet on turbo to reduce max oil pressure going into the turbo to prevent oil leakage into end housings due to excessive pressure. Some 650 and 750 Fuji engine models have a small metal flow restrictor (Polaris part number 5020773) inserted inside the return fuel line, about one inch from the last carburetor. The fuel system in FSI engines Fuel pump return line restrictor. Service Training Printed in U. If using on ‘98-’02 (some ‘03) Cummins diesels, you MUST use #3227 Line Kit and #3279 restrictor to prevent premature failure of sender. FUEL LINES: The fuel pump in the XJ-S (in the trunk) can put out nearly 200 psi. Temperature range is -15°F to +150°F, use rubber hose for …7 fuel lines were replaced…4 at the heads, one Racor to fuel pump, 1 pump to fuel inlet on the spin-on filter, 1 ‘T’ “R80” restrictor to hard return line. This line from the fueltank all the way to the pump has to be tight and NO leaks or air vents of any kind. 065 hole size. If you have any questions, please call 1-877-ADVANCE (238-2623) or visit any Advance Auto Parts store. Internal combustion engines combine fuel and air to produce horsepower. ----- restrictor:fuel-line,rs-2,,,,,+++++ ----- restrictor type fuel-line use rs-2 desc 3 desc 4 desc 5desc 6 desc 7 equip fuel-line el rs-2 restrictor (resistor sleeve), unit 5 fuel lines, per b&w drawing#: 210910c (plant note:planner use only) (plant note: still used on unit 5, per doug leikala 6/29/95)All tanks have a fuel fillerpipe, a fuel outlet line to the engine and a vent system. 10/6/2006 · The Weber ICH 34 comes with a fitting kit and that includes a Y-piece with a restrictor in the return fuel line - it's a proper Weber part 999 0898 which I have ordered from Webcon. 00 We sale more 1 gallon because when full the wife or girlfriend can still carry it!We carry fuel pipes and fuel line assemblies for Detroit Diesel 6V92, 8V92, 12V92, and 16V92 natural and turbocharged aftercooled engines. The fuel line kit is 530069599, which …The valve could be to stop fuel from draining out of the return line and prevent air going back up the return, and it may also provide a restriction to maintain some …9/24/2013 · Hi Guys, this video explains how an one way restrictor valve works. 1 2 3 Poulan Pro Chainsaw Fuel Line. System Courtesy of Toyota Motor Sales, U. Specifications The Specifications table lists the specifications for the 119 Series fuel gas valve. you will have 2 lines coming from the fuel tank. could be plugged. Google has not perfoThis involves putting a flow restrictor in the fitting coming out of the accessory case. 2/13/2013 · This is an instructional video on how to make and install a fuel restrictor in an F7, M7 engine. List price The Advance Auto Parts core charge presented to you online today with your item is representative of the most common core charge. , the larger they need to be. com FREE DELIVERY possible on eligible purchases Cartech Rising Rate Fuel Pressure Regulator (FMU) Installation Instructions . All of the kart restrictor plates are shipped world wide. Rhino 660 / 450 high volume fuel kit with needed pump, lines, and filter. Restrictor Plates for BSP, AKRA, WKA, & other Chinese OHV classes, Choice of Blue, Purple, Green, or RedP C Industries supplies both Genuine and OEM Replacement parts for Detroit Diesel engines. 8/4/2010 · One of the four fuel bafel nipples is the breath VENT line. Designed to improve throttle response and reduce lean conditions in power band, our Fuel Return Line Restrictor installs into fuel return line between carburetors and fuel tank, restricting fuel return rate, increasing pressure to carburetors. Skill Level: Skill Level. Manufacturer Brand New, Genuine Polaris Part Manufacturer Part# 5020773 Item Number OEM830491 See all vehicles this product fits. Volkswagen of America, Inc. The fuel system includes injectors, integral fuel manifold in the cylinder head, fuel pump, a cooling plate for the Electronic Control Module (ECM) or Electronic Distributor Unit (EDU), a primary fuel filter, a secondary fuel filter, anda fuel check valve if equipped. At Fuel Tank Filler