Top 9 VTwin Transmission Fluid – Gear Oils

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1. Red Line

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Red Line 42804 V-Twin Transmission Oil with Shockproof, 2 Pack

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Red Line #ad - Same fluid as the unique Heavy ShockProof Gear Oil. For all h-d trans including with Evolution engines, Twin Cam engines, and latest 6-speed Cruise Drive. This product dampens transmission noise reducing the notorious shifting clunk found in these gearboxes, dramatically reduces temperature, provides thicker oil films between gear teeth and resists throw-off. For all aftermarket versions like Baker, JIMS, S&S, etc.
BrandRed Line #ad
ManufacturerRed Line #ad
Part Number42804-2PK
Model13

2. Red Line

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Red Line 42904 V-Twin Primary Case Oil, Engine Oil 1 Quart Bottle

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Red Line #ad - Perfect for motorcycles, ATVs, and Powersports. Friction balanced case oil - most synthetics are too slippery for clutch operation. No compromises.

Primary case oil - for 1984-to-present V-Twin American motorcycle engines, Twin Cam, including Evolution, and aftermarket engines of similar design. Perform & protect - this product is for use in the primary chaincase with wet-diaphragm spring clutches. Boosts vehicle performance - Improves clutch operation while reducing wear and temperature, providing a longer clutch lifespan. Why red line - established in 1979, Red Line Products perform & protect better than any on the market. Our v-twin primary case Oil is a balanced oil limiting slip and performing a smoother operation.
BrandRed Line #ad
ManufacturerRed Line #ad
Height10 Inches
Length16 Inches
Weight1.7 Pounds
Width12 Inches
Part Number42904
Model42904
WarrantyLimited Manufacturer

3. Maxima

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32 fl. oz., Maxima Racing Oils 40-01901 85w140 V-Twin Transmission/Gear Oil

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Maxima #ad - High film strength gear oil provides excellent protection against shock loads, viscosity loss and wear. Ultra-clean detergents protect gears from wear, deposits and allow for trouble-free operation. Recommended for use in 4-, 5- and 6-speed high performance gear boxes. Maxima v-twin heavy-duty transmission & Gear Oil is a high-quality, mineral based motorcycle gear oil. Extreme pressure additives and surface active chemistry allow smooth shifting under peak loads and RPMs.
BrandMaxima #ad
ManufacturerMaxima Racing Oils #ad
Height2 Inches
Length9 Inches
Weight0.2 pounds
Width6 Inches
Part Number40-01901
Model40-01901

4. Red Line

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Black Filter, Red Line 90226 Big Twin 20w50 Power Pack Oil Package with K&N High Performance Oil Filter Complete Kit

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Red Line #ad - Sticker kit & Red Line Oil embroidered hat. 5 quarts of 20W50 Motorcycle Oil. 1 quart of v-twin Transmission Oil with ShockProof. Versatile funnel. 1 quart of primary chain Case Oil & 1 bottle of Fuel Injection Cleaner.
BrandRed Line #ad
ManufacturerRed Line #ad
Height8.5 Inches
Length16.6 Inches
Weight16.1 Pounds
Width9.29 Inches
Part Number90226

5. Maxima

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Maxima Racing Oils 40-02901 80w90 V-Twin Transmission/Gear Oil, 32 fl. oz.

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Maxima #ad - Maxima v-twin heavy-duty transmission & Gear Oil is a high-quality, mineral based motorcycle gear oil. Recommended for use in 4-, 5- and 6-speed high performance gear boxes. High film strength gear oil provides excellent protection against shock loads, viscosity loss and wear. Ultra-clean detergents protect gears from wear, deposits and allow for trouble-free operation. Extreme pressure additives and surface active chemistry allow smooth shifting under peak loads and RPMs.
BrandMaxima #ad
ManufacturerMaxima Racing Oils #ad
Height9 Inches
Length6 Inches
Weight0.2 Pounds
Width2.5 Inches
Part Number40-02901
Model40-02901

6. Bel-Ray

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1L. 96925-BT1, Bel-Ray VTwin Sport Transmission Fluid

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Bel-Ray #ad - Distinctive red color makes it easier to detect leaks in multiple lubrication cavity engines. It offers superior lubricity for maximum power, resists oxidation and viscosity breakdown for extended performance. Prevents clutch slippage and chatter for consistent engagement. High quality lubricant specially formulated for the transmission and primary of Sportster motorcycles.
BrandBel-Ray #ad
ManufacturerBel-Ray #ad
Height2.5 Inches
Length8.5 Inches
Weight0.88 Pounds
Width5 Inches
Part Number3603-0032
Model3603-0032

7. ACDelco

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1 gal, ACDelco GM Original Equipment 10-9395 Dexron VI Automatic Transmission Fluid

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ACDelco #ad - Provides consistent shift performance, even in extreme conditions. Backward compatible with previous Dexron automatic transmission fluids and can be used as a much-improved replacement for older vehicles/transmissions originally using previous Dexron fluids. Improved performance over previous Dexron fluids in: friction durability, viscosity stability, aeration and foam control, and oxidation resistance. Potential to enable improved fuel economy and longer transmission life. Provides for extended drain intervals.
BrandACDelco #ad
ManufacturerACDelco #ad
Height5.5 Inches
Length11.5 Inches
Weight2.28 Pounds
Width5.5 Inches
Part Number10-9395
Model10-9395
WarrantyNo Warranty

8. Valvoline

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Valvoline Multi-Vehicle ATF Full Synthetic Automatic Transmission Fluid 1 GA

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Valvoline #ad - Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures. High-performance seal conditioners maintain and preserve the elasticity of seals to help prevent leaks in high mileage transmissions. Developed with anti-wear technology to help improve transmission durability. Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions.
BrandValvoline #ad
ManufacturerValvoline #ad
Height10.9 Inches
Length8.2 Inches
Weight0 Pounds
Width4.48 Inches
Part Number773775
Model773775

9. Mission Automotive

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20-Pack Transmission Fluid Drain Plug Crush Washer compatible with Honda Replacement for Part #90471-PX4-000 works with Accord Acura Civic Ridgeline Odyssey CRV CR-V Pilot Fit Element

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Mission Automotive #ad - Compatible with part Number 90471 PX4 000 . Our washers meet or exceed the quality of OEM gaskets. Wide compatibility: these washers are compatible with most honda models, civic 1993-2019, accord hybrid 2005-2019, crosstour 2010-2015, including accord 1990-2019, Del Sol 1993-1997, Fit 2007-2019, cRV 2011-2019, element 2003-2011, Fit EV 2013-2014.

Value pack of 20: don't spend more than you have to on overpriced oem parts - our value pack of 20 is an excellent value whether you’re a professional mechanic or simply someone who likes to do it yourself! Please Note: This product is produced by Mission Automotive Parts. Ideal for transmission fluid changes. Size: outside diameter: 25. 5 mm / 1 inch, inside diameter: 18 mm / 071 inch, Thickness: 1.

95 mm / 008 inch. Ideal replacement: mission automotive transmission crush washers / drain plug gaskets are a compatible replacement for your Honda OEM washer / gasket. We have no affiliation with or endorsement from any of the other manufacturers mentioned. Strict quality standards: our washers are designed and constructed to strict quality standards and made from high quality materials, ensuring proper fit with the drain plug and creating a tight seal.
BrandMission Automotive #ad
ManufacturerMission Automotive Parts #ad
Part NumberTransmissionWashersHonda