Top Rated Products in Additives(115)
Uses item details. Price when purchased online
500+ bought since yesterday, Sea Foam SF16 Motor Treatment Automotive Additive, 16 oz From $8.48
500+ bought since yesterday
5 options
Available in additional 5 optionsFrom$848
Sea Foam SF16 Motor Treatment Automotive Additive, 16 oz
4.8 out of 5 stars
100+ bought since yesterday, Lucas Oil 10020 Fuel Treatment 5.25 Ounce From $5.79
100+ bought since yesterday
5 options
Available in additional 5 optionsFrom$579
Lucas Oil 10020 Fuel Treatment 5.25 Ounce
4.8 out of 5 stars
50+ bought since yesterday, STP Super Concentrated Gas Treatment 5.25 fl oz - Automotive Fuel Additive for Cars and Boats From $2.97
50+ bought since yesterday
5 options
Available in additional 5 optionsFrom$297
STP Super Concentrated Gas Treatment 5.25 fl oz - Automotive Fuel Additive for Cars and Boats
4.7 out of 5 stars
Best seller, STP Gas Treatment For Any Gasoline Engine - 5.25 fl oz (2 Count) From $5.13
Best seller
5 options
Available in additional 5 optionsFrom$513
STP Gas Treatment For Any Gasoline Engine - 5.25 fl oz (2 Count)
4.7 out of 5 stars
Best seller, Lucas 10009 Transmission Fix Automotive Performance Additive 24 Ounce - Stops Transmission Slips From $15.23
Best seller
4 options
Available in additional 4 optionsFrom$1523
Lucas 10009 Transmission Fix Automotive Performance Additive 24 Ounce - Stops Transmission Slips
4.7 out of 5 stars
Star Tron Enzyme Fuel Treatment - Small Engine Formula – Gas Additive Rejuvenates & Stabilizes Old Gasoline - Cures & Prevents Ethanol Problems From $8.23
5 options
Available in additional 5 optionsFrom$823
Star Tron Enzyme Fuel Treatment - Small Engine Formula – Gas Additive Rejuvenates & Stabilizes Old Gasoline - Cures & Prevents Ethanol Problems
4.8 out of 5 stars
Bar's Leaks 1334 One Seal Stop Leak Automotive Additive, 11 oz From $6.36
6 options
Available in additional 6 optionsFrom$636
Bar's Leaks 1334 One Seal Stop Leak Automotive Additive, 11 oz
4.4 out of 5 stars
STP High Viscosity Oil Treatment 15 Fluid Ounces for Conventional or Synthetic Oils From $4.98
5 options
Available in additional 5 optionsFrom$498
STP High Viscosity Oil Treatment 15 Fluid Ounces for Conventional or Synthetic Oils
4.8 out of 5 stars
Top rated for fuel economy, Gumout Multi-System Tune-up 16 oz Automotive Additive - 510011W From $7.64
Top rated for fuel economy
5 options
Available in additional 5 optionsFrom$764
Gumout Multi-System Tune-up 16 oz Automotive Additive - 510011W
4.7 out of 5 stars
Super Tech Super Concentrated Fuel Treatment, 6 fl oz (0.375 lb) From $2.42
5 options
Available in additional 5 optionsFrom$242
Super Tech Super Concentrated Fuel Treatment, 6 fl oz (0.375 lb)
4.6 out of 5 stars
Niteo Products Motor Medic Engine Flush Additive, 32 fl oz – Cleans Cars, Trucks, SUVs From $6.78
4 options
Available in additional 4 optionsFrom$678
Niteo Products Motor Medic Engine Flush Additive, 32 fl oz – Cleans Cars, Trucks, SUVs
4.7 out of 5 stars
Rislone 4102 Engine Treatment Automotive Additive, 16.9 oz From $6.88
5 options
Available in additional 5 optionsFrom$688
Rislone 4102 Engine Treatment Automotive Additive, 16.9 oz
4.8 out of 5 stars
Star Tron Enzyme Fuel Treatment - Marine Heavy Duty Formula - Stabilizes Fuel, Eliminates Gum & Carbon Deposits, Improves Fuel Economy - Treats 240 Gallons From $10.97
2 options
Available in additional 2 optionsFrom$1097
Star Tron Enzyme Fuel Treatment - Marine Heavy Duty Formula - Stabilizes Fuel, Eliminates Gum & Carbon Deposits, Improves Fuel Economy - Treats 240 Gallons
4.8 out of 5 stars
STP Super Concentrated High Mileage Engine Flush (15 fl. oz.) From $6.57
6 options
Available in additional 6 optionsFrom$657
STP Super Concentrated High Mileage Engine Flush (15 fl. oz.)
4.8 out of 5 stars
STA-BIL In-Season Protection Cleans Injectors, Increases Mileage & Prevents Corrosion, 10 fl. oz. (22264) From $8.68
6 options
Available in additional 6 optionsFrom$868
STA-BIL In-Season Protection Cleans Injectors, Increases Mileage & Prevents Corrosion, 10 fl. oz. (22264)
4.7 out of 5 stars
Super Tech Motor Oil Additive, 32 oz From $10.42
5 options
Available in additional 5 optionsFrom$1042
Super Tech Motor Oil Additive, 32 oz
4.7 out of 5 stars
Rislone 4416 High Mileage Ring Seal Smoke Repair Automotive Additive, 16 oz From $7.24
5 options
Available in additional 5 optionsFrom$724
Rislone 4416 High Mileage Ring Seal Smoke Repair Automotive Additive, 16 oz
4.6 out of 5 stars
Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (2 Pack) $35.98
$3598
current price $35.98Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce (2 Pack)
4.7 out of 5 stars
Lucas Oil 10576 Safeguard Ethanol Fuel Conditioner Fuel Additive 16 Ounce for Gasoline Engines From $12.88
5 options
Available in additional 5 optionsFrom$1288
Lucas Oil 10576 Safeguard Ethanol Fuel Conditioner Fuel Additive 16 Ounce for Gasoline Engines
4.8 out of 5 stars
Liqui Moly Pro-Line Engine Flush | 500 ml | Oil additive | SKU: 2037 $21.14
$2114
current price $21.14Liqui Moly Pro-Line Engine Flush | 500 ml | Oil additive | SKU: 2037
4.6 out of 5 stars
STP Super Concentrated Gas Treatment for Gasoline Engines - 5.25 fl oz, 4 Pack $7.84 $1.49/fl oz
$784
current price $7.84$1.49/fl oz
STP Super Concentrated Gas Treatment for Gasoline Engines - 5.25 fl oz, 4 Pack
4.7 out of 5 stars
STP Ultra Anti-Friction Engine Oil Additive Treatment for Improved Performance, 15 oz From $8.92
2 options
Available in additional 2 optionsFrom$892
STP Ultra Anti-Friction Engine Oil Additive Treatment for Improved Performance, 15 oz
4.7 out of 5 stars
Sea Foam Trans Tune $13.66 Was $24.07
Now$1366
current price Now $13.66, Was $24.07$24.07
Sea Foam Trans Tune
4.8 out of 5 stars
1 Can of New BG EPR Engine Performance Restoration 109 $15.99
$1599
current price $15.991 Can of New BG EPR Engine Performance Restoration 109
4.7 out of 5 stars
Liqui Moly Anti-Friction Engine Oil Treatment 2009, 10.1 fl oz $21.50
$2150
current price $21.50Liqui Moly Anti-Friction Engine Oil Treatment 2009, 10.1 fl oz
4.6 out of 5 stars
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 (4 Pack) $59.85 Was $73.19
Now$5985
current price Now $59.85, Was $73.19$73.19
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 (4 Pack)
4.6 out of 5 stars
CRC Emissions Test Fuel System Treatment – Advanced Formula – 12 oz – for Cars and Trucks
CRC Emissions Test Fuel System Treatment – Advanced Formula – 12 oz – for Cars and Trucks
4.4 out of 5 stars
GUNK Motor Medic Anti-Wear Additive Lead Substitute 10W, 12 fl oz $12.91
$1291
current price $12.91GUNK Motor Medic Anti-Wear Additive Lead Substitute 10W, 12 fl oz
4 out of 5 stars
STA-BIL Fast Fix 8 oz Fuel Treatment for Small Engines, Cleans Carburetors, Improves Engine Performance $13.31
$1331
current price $13.31STA-BIL Fast Fix 8 oz Fuel Treatment for Small Engines, Cleans Carburetors, Improves Engine Performance
4.6 out of 5 stars
Power Plus Lubricants Groovy Grape Fuel Fragrance - 4 oz. $16.55
$1655
current price $16.55Power Plus Lubricants Groovy Grape Fuel Fragrance - 4 oz.
4.5 out of 5 stars
Star brite Star Tron Enzyme Fuel Treatment - Classic Gas Formula $15.19 94.9 ¢/fl oz
$1519
current price $15.1994.9 ¢/fl oz
Star brite Star Tron Enzyme Fuel Treatment - Classic Gas Formula
5 out of 5 stars
Lead Substitute - 32 oz. $34.99
$3499
current price $34.99Lead Substitute - 32 oz.
5 out of 5 stars
Johnson/Evinrude/OMC OEM 2+4 Fuel Conditioner Treatment 16oz Pint 0766209 766209
Johnson/Evinrude/OMC OEM 2+4 Fuel Conditioner Treatment 16oz Pint 0766209 766209
5 out of 5 stars
Xqxayjr under $5 Battery Reconditioning Fluid, 500ml Battery Recovery Fluid for Lead Acid Batteries, Battery Reconditioning Solution Additive for Car Motorcycle, with Tools Included $7.99
$799
current price $7.99Xqxayjr under $5 Battery Reconditioning Fluid, 500ml Battery Recovery Fluid for Lead Acid Batteries, Battery Reconditioning Solution Additive for Car Motorcycle, with Tools Included
Power Plus 00035 Top Lube $19.99
$1999
current price $19.99Power Plus 00035 Top Lube
Gecau High-efficiency Wear Inhibitor Engine Wear Protectant Noise Reduction And Shaking Strong Cure For Burning Oil Additives 100ml multicolor Party Favor 1.6 $3.99
$399
current price $3.99Gecau High-efficiency Wear Inhibitor Engine Wear Protectant Noise Reduction And Shaking Strong Cure For Burning Oil Additives 100ml multicolor Party Favor 1.6
Clearance, Gecau High-efficiency Wear Inhibitor Engine Wear Protectant Noise Reduction And Shaking Strong Cure For Burning Oil Additives 100ml as show Art&Crafts 1.6x5.2 $3.57 Was $3.98
Now$357
current price Now $3.57, Was $3.98$3.98
Gecau High-efficiency Wear Inhibitor Engine Wear Protectant Noise Reduction And Shaking Strong Cure For Burning Oil Additives 100ml as show Art&Crafts 1.6x5.2
Nsxcdh Engine Wear Protectant 100ml High Efficiency Noise Reduction Oil Additive Strong Cure Friction Reduction Extended Life for Gas Christmas Gifts $4.99 Was $7.99
Now$499
current price Now $4.99, Was $7.99$7.99
Nsxcdh Engine Wear Protectant 100ml High Efficiency Noise Reduction Oil Additive Strong Cure Friction Reduction Extended Life for Gas Christmas Gifts
Nsxcdh Vehicle Battery Repair Fluid 3.4oz Maintenance Restores Charging Efficiency Advanced Technology Compatible with Car Battery Types Christmas Gifts $4.99 Was $5.99
Now$499
current price Now $4.99, Was $5.99$5.99
Nsxcdh Vehicle Battery Repair Fluid 3.4oz Maintenance Restores Charging Efficiency Advanced Technology Compatible with Car Battery Types Christmas Gifts
Gecau Engine Carbon Removal Repair Agent Engine -Wear Protectant Carbon Removal And Repair Oil For Car 100ml blue Art&Crafts 1.6x1.6 Inch $3.99
$399
current price $3.99Gecau Engine Carbon Removal Repair Agent Engine -Wear Protectant Carbon Removal And Repair Oil For Car 100ml blue Art&Crafts 1.6x1.6 Inch
Popular in Top Rated Products in Additives
- Additive System
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- STP Additives
- Summer Diesel Additive
- Automotive Fuel Formula
- Lucas Fuel System Cleaners
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- Lucas Fuel Injector Cleaners
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Leak Saver Direct Inject Acid Scavenger - Converts Acid to Synthetic Oil, for A/C Systems Up to 5 Tons - Made in The USA$36.95current price $36.95
