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10 Best line additives of 2026
Save up to 17% off
Best Choice1
Red Line9.8Exceptional
Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (12 Pack)
17% Off
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Value for Money2
Red Line9.7Exceptional
Red Line 70902 85-Plus Diesel Fuel Additive - 12 Ounce (12 Pack)
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is discontinued by manufacturer: Yes
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product dimensions: 11.2 x 8.6 x 9.3 inches
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manufacturer part number: 70922
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country of origin: USA
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item weight: 10.3 pounds
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3
Red Line9.4Excellent
Red Line 60103 SI-1 Complete Fuel System Cleaner, Cleans and Prevents Corrosion in Fuel Systems, Cleans Injectors, Carburetors, Valve and Combustion Chamber Deposits - 15 Ounce (2 Pack)
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Package Quantity:2 Pack
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Applications:Cleans injectors, carburetors, valve and combustion chamber deposits
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Efficiency:Cleans nearly 100% efficiency in one treatment
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Product Type:Complete Fuel System Cleaner
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Bottle Size:15 Ounce
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4
Red Line9.1Excellent
Red Line 60202 Lead Substitute - 12 Ounce
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5
Red Line9.0Excellent
Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce- Fuel Injector Cleaner and Carburetor Cleaner for Corrosion Prevention and Injector, Valve, and Combustion Chamber Deposit Removal
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6
Heet8.9Very Good
HEET Water Remover & Gas Line Antifreeze, Dry Gas Fuel Additive for Cars, Removes Water from Gas Tank, Prevents Fuel Line Freeze-Up, Winter & Year-Round Use, 12 fl. Oz
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product dimensions: 3.54 x 2.36 x 9.45 inches
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item weight: 11 ounces
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special features: This item is not for sale in Catalina Island nor does it contain ethylene glycol, Safe for use in all 4-cycle engines including fuel injected engines, No.1 selling brand of gas-line antifreeze and water remover, Prevents gas-line freeze up, Prevents rust and corrosion
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item model number: 28201
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best sellers rank: 1,069 in Automotive See Top 100 in Automotive 6 in Antifreezes & Coolants
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7
Red Line8.7Very Good
Red Line 80204 WaterWetter Super Coolant - 12 Ounce (2 Pack)
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8
Red Line8.4Good
Red Line 60103 SI-1 Complete Fuel System Cleaner, Cleans and Prevents Corrosion in Fuel Systems, Cleans Injectors, Carburetors, Valve and Combustion Chamber Deposits - 15 Ounce (6 Pack)
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Package Quantity:6 Pack
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Applications:N/A
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Efficiency:N/A
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Product Type:Fuel System Cleaner
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Bottle Size:15 Ounce
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9
Red Line8.3Good
Red Line 70802 85 Plus Diesel Fuel Additives - 12 Ounce (4 Pack)
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10
Red Line8.2Good
Red Line 50105 75W85 GL-5 Full Synthetic Gear Oil for Hypoid Limited Slip Differentials - 1 Gallon
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