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Red Line

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When purchasing a product, price is the consumer's primary concern. At present, Red Line has 306 products for sale. Red Line products range in price from $13.89 to $160.99, and the average price of all the products is about $55.91.

We found that most of the Red Line products are manufactured by Red Line Oil. The manufacturer provides Red Line with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase Red Line products from the seller EZ Automotive. The brand holds an average rating of 4.8, testifying to its excellent reputation.

Red Line Best Sellers

Last Updated: Jan 12, 2025

Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (4 Pack)

DESIGNED TO EXCEED EXPECTATIONS: Red Line complete SI-1 fuel system cleaner treatment for cleaning and preventing corrosion in fuel systems
PERFORM AND PROTECT: Fuel additive cleans injectors, carburetors, valve and combustion chamber deposits with a powerful, concentrated blend of high-temp and low-temp detergents
EFFICIENT FUEL BURN: Gas treatment that enhances gasoline stability, while reducing the build up of gum and varnish formation
EASY TO USE: Use one bottle per tank for most effective treatment, additive cleans nearly 100% efficiency in one treatment
15 Ounce (4 Pack)

Red Line 90226 20W50 Powersport Motor Oil V-Twin - 1 Powerpack Kit

COMPLETE KIT - for motorcycles equipped with Evolution, Milwaukee-Eight and Twin-Cam engines*
KIT INCLUDES - 5 quarts of 20W50 Motorcycle Oil, 1 quart of V-Twin Transmission Oil with ShockProof, 1 quart of Primary Chain Case Oil, 1 bottle of Fuel Injection Cleaner for Powersports, a sticker kit, a Red Line Oil embroidered hat and a versatile funnel
TESTED FOR COMPATIBILITY - includes enough fluids for a complete oil change*
POPULAR OIL KIT FOR - 2007-up H-D motorcycle with the 96-inch and larger Twin Cam engines, users must purchase one extra bottle of Primary Chain Case Oil to meet this engine's 38 oz (45 oz dry) capacity, compared to the 32 oz wet capacity of a Milwaukee-Eight, Evolution or V-Twin case
WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises

Red Line 50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Quart (2 Pack)

HIGH PERFORMANCE - gear protection and longer synchro life. Recommended for GL-1, GL-3, and GL-4 applications.
QUICKER SHIFTS - perfect synchronizer coefficient of friction and eliminates notchy shifting, even when cold
REQUIREMENTS - gear oil viscosity of 75W; 80W; SAE 40 10W40 and 15W40 motor oil
POPULAR GEAR OIL FOR - GL-1, GL-3 and GL-4 applications, as well as where most special synchromesh fluids are specified. Safe for brass synchros, as it lacks the reactive sulfurs found in most GL-5 oils that cause damage
WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises

Red Line 42804 Full Synthetic Gear Oil, V-Twin Transmission Oil with Shockproof - 1 Quart

CUTTING EDGE TECHNOLOGY - Shockproof technology designed to make a big impact against big impacts.
QUIET SMOOTH SHIFTING - V-Twin Transmission oil dampens transmission noise, reducing the notorious shifting clunk found in these gearboxes.
IMPROVES PERFORMANCE - Transmission fluid that dramatically reduces temperature, providing thicker oil films between gear teeth and resists throw-off.
POPULAR POWESPORTS OIL FOR - UTVs & Side by Sides, ATVs, sportbikes and other powersports vehicles, suitable for JASO MA/MA2 applications.
WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises.

Red Line 42904 V-Twin Primary Case Oil, for use with UTVs, ATVs and Sportbikes - 1 Quart

FRICTION BALANCED CASE OIL - Most synthetics are too slippery for clutch operation. Our V-Twin Primary Case Oil is a balanced oil limiting slip and performing a smoother operation
BOOSTS VEHICLE PERFORMANCE - Improves clutch operation while reducing wear and temperature, providing a longer clutch lifespan
PERFORM & PROTECT - This product is for use in the primary chaincase with wet-diaphragm spring clutches. Perfect for Motorcycles, ATVs, and Powersports
PRIMARY CASE OIL - For 1984-to-present V-Twin American motorcycle engines, including Evolution, Twin Cam, and aftermarket engines of similar design
WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises

Red Line 50204 SAE 75W80 API GL-4 Manual Transmission and Transaxle Lubricant (MTL) Car Gear Oil - 1 Quart (4 Pack)

HIGH PERFORMANCE - Gear protection and longer synchro life. Recommended for GL-1, GL-3, and GL-4 applications, as well as where most special synchromesh fluids are specified
OFFERS QUICKER SHIFTS - MLT Gear Oil with balanced friction control for most manual transmission synchronizers. Other synthetic gear oils are often too slippery
SAFE FOR BRASS SYNCHROS - GL-4 Gear Oil lacks the reactive sulfurs found in most GL-5 oils that cause damage. Recommended for GL-1, GL-3 & GL-4 applications
POPULAR MOTOR OIL FOR - BMW, Honda/Acura, Ford Focus, late-model Mini Cooper, Land Rover/Range Rover LT77S, Mitsubishi, Dodge & Jeep NV1500, NV3500, NV3550 & NV5600 truck transmissions
WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises

Red Line 80204 WaterWetter Super Coolant - 12 Ounce

UNIQUE AGENT - for cooling systems that doubles the wetting ability of water
RUST AND CORROSION PROTECTION - allows for use of straight water in racing or reduced antifreeze levels in warm climates
DIRECTIONS FOR USE - one bottle for most passenger cars and light trucks, treats 3 to 5 gallons or 13.2 to 15.9 liters, vehicles with larger cooling systems should use two bottles, small cooling systems should use 1oz (3 to 4 capfuls) per quart
POPULAR FOR USE IN - new or used antifreeze (including DEX-COOL and long-life versions) to improve the heat transfer of ethylene and propylene glycol systems, satisfies ASTM D2570 and ASTM D1384 corrosion tests for glycol-based antifreezes
WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises

Red Line 57904 75W90 GL-5 Synthetic Gear Oil for Hypoid Limited Slip Differentials - 1 Quart (4 Pack)

MOST POPULAR - Red Line gear oil, with thousands of applications for passenger cars, light trucks and racing vehicles
CONTAINS - additional friction modifiers for suitability with clutch-type limited slip differentials - for most LSDs, no additional friction modifiers are required
NOT DESIGNED - for use in most manual transmissions or transaxles in passenger vehicles, since the extreme slipperiness may cause synchronizer mesh issues that lead to shifting problems
POPULAR GEAR OIL FOR - API GL-5, GL-6, MT-1, MIL-L-2105E, SAE J2360 and Chrysler spec MS-9763, suitable replacement for a differential calling for an 80W90 or SAE 90 gear oil
WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises

Red Line 57904 75W90 GL-5 Synthetic Gear Oil for Hypoid Limited Slip Differentials - 1 Quart (2 Pack)

MOST POPULAR - Red Line gear oil, with thousands of applications for passenger cars, light trucks and racing vehicles
CONTAINS - additional friction modifiers for suitability with clutch-type limited slip differentials - for most LSDs, no additional friction modifiers are required
NOT DESIGNED - for use in most manual transmissions or transaxles in passenger vehicles, since the extreme slipperiness may cause synchronizer mesh issues that lead to shifting problems
POPULAR GEAR OIL FOR - API GL-5, GL-6, MT-1, MIL-L-2105E, SAE J2360 and Chrysler spec MS-9763, suitable replacement for a differential calling for an 80W90 or SAE 90 gear oil
WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises

Red Line 58204 Heavy Shockproof Gear Oil - 1 Quart (2 Pack)

FULLY-SYNTHETIC FORMULAS - created from polyol ester base stocks, offer excellent lubrication under extreme conditions
ENGINEERED TO PROVIDE - the highest degree of protection and improvement of differential efficiency for better mileage, longer drain intervals, and less wear, exceed API GL-5 specifications
NOT RECOMMENDED - for most synchro applications due to the product's extreme slipperiness
POPULAR GEAR OIL FOR - Many performance racing applications like Sprint, Midget, Dirt Late Model and Quick Change Differentials, Detroit Lockers and spools, NHRA Top Fuel and Funny Car rear ends, most popular ShockProof product, many racing and specialty applications
WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises

Red Line 50504 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Quart (4 Pack)

HIGH PERFORMANCE - Gear protection and longer synchro life. Recommended for GL-1, GL-3, and GL-4 applications, as well as where most special synchromesh fluids are specified
OFFERS QUICKER SHIFTS - Excellent gear and synchro protection, balanced friction control & slipperiness for easier shifting even in cold climates
SAFE FOR BRASS SYNCHROS - GL-4 Gear Oil lacks the reactive sulfurs found in most GL-5 oils that cause damage. Recommended for GL-1, GL-3 & GL-4 applications
POPULAR GEA OIL FOR - Nissan 350Z and 370Z (also most Maxima, Altima & Sentra), Mitsubishi Evolution, Hyundai, Kia and Quaife synchro manual trans applications
WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises

Red Line 60102 Complete Powersports Fuel System Cleaner - 4 Ounces (2 Pack)

REDUCES OCTANE DEMAND - regain lost power and improve fuel economy
CLEANS DEPOSITS - on intake valves and combustion chambers, lubricates upper cylinder
INSTRUCTIONS - Pour one bottle into a street bike, dirt bike, ATV or PWC for quick clean-up
COMPATIBLE WITH - both pump gas and race fuel, pre-mixed or injected two-strokes
WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises

Red Line 50305 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant (MTL) - 1 Gallon

HIGH PERFORMANCE - gear protection and longer synchro life. Recommended for GL-1, GL-3, and GL-4 applications.
QUICKER SHIFTS - perfect synchronizer coefficient of friction and eliminates notchy shifting, even when cold
REQUIREMENTS - gear oil viscosity of 75W; 80W; SAE 40 10W40 and 15W40 motor oil
POPULAR GEAR OIL FOR - GL-1, GL-3 and GL-4 applications, as well as where most special synchromesh fluids are specified. Safe for brass synchros, as it lacks the reactive sulfurs found in most GL-5 oils that cause damage
WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises.

Red Line 50204 SAE 75W80 API GL-4 Manual Transmission and Transaxle Lubricant (MTL) Car Gear Oil - 1 Quart (2 Pack)

HIGH PERFORMANCE - Gear protection and longer synchro life. Recommended for GL-1, GL-3, and GL-4 applications, as well as where most special synchromesh fluids are specified
OFFERS QUICKER SHIFTS - MLT Gear Oil with balanced friction control for most manual transmission synchronizers. Other synthetic gear oils are often too slippery
SAFE FOR BRASS SYNCHROS - GL-4 Gear Oil lacks the reactive sulfurs found in most GL-5 oils that cause damage. Recommended for GL-1, GL-3 & GL-4 applications
POPULAR MOTOR OIL FOR - BMW, Honda/Acura, Ford Focus, late-model Mini Cooper, Land Rover/Range Rover LT77S, Mitsubishi, Dodge & Jeep NV1500, NV3500, NV3550 & NV5600 truck transmissions
WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises

Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (1 Pack)

DESIGNED TO EXCEED EXPECTATIONS: Red Line complete SI-1 fuel system cleaner treatment for cleaning and preventing corrosion in fuel systems
PERFORM AND PROTECT: Fuel additive cleans injectors, carburetors, valve and combustion chamber deposits with a powerful, concentrated blend of high-temp and low-temp detergents
EFFICIENT FUEL BURN: Gas treatment that enhances gasoline stability, while reducing the build up of gum and varnish formation
EASY TO USE: Use one bottle per tank for most effective treatment, additive cleans nearly 100% efficiency in one treatment
One 15 Ounce Bottle

Red Line 50504 MT-85 Manual Transmission 75W85 GL-4 Gear Oil - 1 Quart

HIGH PERFORMANCE - Gear protection and longer synchro life. Recommended for GL-1, GL-3, and GL-4 applications, as well as where most special synchromesh fluids are specified
OFFERS QUICKER SHIFTS - Excellent gear and synchro protection, balanced friction control & slipperiness for easier shifting even in cold climates
SAFE FOR BRASS SYNCHROS - GL-4 Gear Oil lacks the reactive sulfurs found in most GL-5 oils that cause damage. Recommended for GL-1, GL-3 & GL-4 applications
POPULAR GEA OIL FOR - Nissan 350Z and 370Z (also most Maxima, Altima & Sentra), Mitsubishi Evolution, Hyundai, Kia and Quaife synchro manual trans applications
WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises

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

5 quarts of 20W50 Motorcycle Oil
1 quart of V-Twin Transmission Oil with ShockProof
1 quart of Primary Chain Case Oil & 1 bottle of Fuel Injection Cleaner
Versatile funnel
Sticker kit & Red Line Oil embroidered hat

Red Line 58404 Lightweight Shockproof Gear Oil - 1 Quart Bottle

EXCELLENT LOW-TEMP FLOW - improved cold shifting, for racing differentials under moderate loads
FILM THICKNESS - greater than an SAE 75W140, yet low fluid friction like 80W gear oil or 30W motor oil, 40% lower coefficient of friction and 250% of the load carrying capacity of conventional gear oils
DESIGNED FOR - wet sump transmissions and differentials with splash lubrication, helps to prevent tooth breakage, resists throw-off
POPULAR IN - racing transmissions like Hewland and other Road Racing dog-ring boxes, Bert and Brinn for Stock Cars, G-Force and Liberty clutchless for Drag Racing
WHY RED LINE - Established in 1979, Red Line Products perform & protect better than any on the market. No compromises

Red Line 57905 75W90 GL-5 Synthetic Gear Oil for Hypoid Limited Slip Differentials - 1 Gallon

Use to prevent limited-slip chatter
Good shiftability and synchro compatibility
Great gear protection and performance
Allow for faster shifting

Red Line FAQs

Yes, Red Line is a legitmate brand on Amazon. After conducting a comprehensive analysis of 18,223 customer reviews for Red Line products on Amazon, we have determined its average rating. With a strong performance and good quality, Red Line has received an average rating of 4.8 from numerous buyers, indicating that Red Line are trustworthy and live up to their claims. Therefore, it is safe to make purchases from Red Line on Amazon.

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We analyze millions of Red Line products reviews and customer reviews to recommend the best picks for most consumers. We have a professional team with decades of experience to test the products, which can help ensure that we provide our readers with accurate advice and best recommendations.

There are usually 5 to 10 products in a brand buying guide. We found 306 Red Line products for sale, 19 of which were analyzed in detail and recommended to customers.

  1. Go to the Red Line page.
  2. Select the product you want in the Red Line buying guide, and then view the product on Amazon. For example, if you are interested in the top 1 product Red Line 60103 SI-1 Complete Fuel System Cleaner -..., you can view it on Amazon page.
  3. Place your order on Amazon.

Most of the Red Line products are produced by Red Line Oil. The manufacturer provides Red Line with a steady supply of products, and they have a good cooperative relationship with each other.

Our mission is to provide you with the most up-to-date and objective information about the Red Line products, helping you make more informed buying decisions. We recommend best choices of the products from the Red Line brand, helping you make better shopping choices with less time and energy.