Top Rated Products in Additives(58)
Uses item details. Price when purchased online
500+ bought since yesterday Sea Foam SF16 Motor Treatment Automotive Additive, 16 oz From $8.48
5 options
Available in additional 5 optionsFrom$848
Sea Foam SF16 Motor Treatment Automotive Additive, 16 oz
61864.8 out of 5 Stars. 6186 reviews
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100+ bought since yesterday Lucas Oil 10020 Fuel Treatment 5.25 Ounce From $5.78
5 options
Available in additional 5 optionsFrom$578
Lucas Oil 10020 Fuel Treatment 5.25 Ounce
17494.8 out of 5 Stars. 1749 reviews
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50+ bought since yesterday Lucas Oil 10003 Fuel Injector Cleaner 32 oz. Automotive Additive From $9.89
4 options
Available in additional 4 optionsFrom$989
Lucas Oil 10003 Fuel Injector Cleaner 32 oz. Automotive Additive
12054.8 out of 5 Stars. 1205 reviews
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Best seller STP Super Concentrated Gas Treatment 5.25 fl oz - Automotive Fuel Additive for Cars and Boats From $2.93
5 options
Available in additional 5 optionsFrom$293
STP Super Concentrated Gas Treatment 5.25 fl oz - Automotive Fuel Additive for Cars and Boats
4924.7 out of 5 Stars. 492 reviews
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Super Tech Fuel Injector Cleaner Automotive Additive, 6 fl oz From $2.18
5 options
Available in additional 5 optionsFrom$218
Super Tech Fuel Injector Cleaner Automotive Additive, 6 fl oz
3264.6 out of 5 Stars. 326 reviews
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Best seller Gumout High Mileage Fuel Injector Cleaner Additive, 6 oz - 510013 From $3.68
5 options
Available in additional 5 optionsFrom$368
Gumout High Mileage Fuel Injector Cleaner Additive, 6 oz - 510013
4264.7 out of 5 Stars. 426 reviews
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STP Gas Treatment For Any Gasoline Engine - 5.25 fl oz (2 Count) From $4.98
5 options
Available in additional 5 optionsFrom$498
STP Gas Treatment For Any Gasoline Engine - 5.25 fl oz (2 Count)
4584.7 out of 5 Stars. 458 reviews
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Super Tech Universal Motor Treatment for Gas, Diesel, and Oil, Truck and Car 16 fl oz From $4.64
5 options
Available in additional 5 optionsFrom$464
Super Tech Universal Motor Treatment for Gas, Diesel, and Oil, Truck and Car 16 fl oz
3314.6 out of 5 Stars. 331 reviews
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Marvel Mystery Oil - Automotive Additive Oil Enhancer and Fuel Treatment , 64 oz, Works with Vehicles with Gasoline and Diesel Engines From $12.97
4 options
Available in additional 4 optionsFrom$1297
Marvel Mystery Oil - Automotive Additive Oil Enhancer and Fuel Treatment , 64 oz, Works with Vehicles with Gasoline and Diesel Engines
1434.7 out of 5 Stars. 143 reviews
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Top rated for fuel economy Gumout Multi-System Tune-up 16 oz Automotive Additive - 510011W From $7.64
5 options
Available in additional 5 optionsFrom$764
Gumout Multi-System Tune-up 16 oz Automotive Additive - 510011W
4654.7 out of 5 Stars. 465 reviews
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STP Octane Booster 5.25 fl oz From $4.48
5 options
Available in additional 5 optionsFrom$448
STP Octane Booster 5.25 fl oz
2694.6 out of 5 Stars. 269 reviews
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Super Tech Super Concentrated Fuel Treatment, 6 fl oz (0.375 lb) From $2.17
5 options
Available in additional 5 optionsFrom$217
Super Tech Super Concentrated Fuel Treatment, 6 fl oz (0.375 lb)
2754.6 out of 5 Stars. 275 reviews
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STP Super Concentrated Fuel Injector Cleaner 5.25 FL OZ For Automotive Additive From $3.38
5 options
Available in additional 5 optionsFrom$338
STP Super Concentrated Fuel Injector Cleaner 5.25 FL OZ For Automotive Additive
1924.5 out of 5 Stars. 192 reviews
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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
5804.8 out of 5 Stars. 580 reviews
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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
1204.7 out of 5 Stars. 120 reviews
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Rislone Hy-per Lube Zinc ZDDP Supplement, Automotive Additives, 11 oz From $9.49
5 options
Available in additional 5 optionsFrom$949
Rislone Hy-per Lube Zinc ZDDP Supplement, Automotive Additives, 11 oz
17284.9 out of 5 Stars. 1728 reviews
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STA-BIL Fast Fix 8 oz Fuel Treatment for Small Engines, Cleans Carburetors, Improves Engine Performance $9.49
$949
current price $9.49STA-BIL Fast Fix 8 oz Fuel Treatment for Small Engines, Cleans Carburetors, Improves Engine Performance
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Sea Foam Fuel Additive SF16 - Universal Automotive Treatment - 16 oz Bottle $15.99
$1599
current price $15.99Sea Foam Fuel Additive SF16 - Universal Automotive Treatment - 16 oz Bottle
124.6 out of 5 Stars. 12 reviews
Star brite Star Tron Enzyme Fuel Treatment - Classic Gas Formula $12.42 Was $15.26 77.6 ¢/fl oz
Now$1242
current price Now $12.42, Was $15.26$15.26
77.6 ¢/fl oz
Star brite Star Tron Enzyme Fuel Treatment - Classic Gas Formula
35 out of 5 Stars. 3 reviews
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Opti-Lube XPD Diesel Fuel Improver Automotive Additive, Diesel Fuel Additive $81.00
$8100
current price $81.00Opti-Lube XPD Diesel Fuel Improver Automotive Additive, Diesel Fuel Additive
504.8 out of 5 Stars. 50 reviews
STP 1 Tank Tune Up Fuel Additive – 12 Fl Oz From $15.97
4 options
Available in additional 4 optionsFrom$1597
STP 1 Tank Tune Up Fuel Additive – 12 Fl Oz
2354.7 out of 5 Stars. 235 reviews
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BG Advanced Formula MOA EPR_115 Automotive Additive, 32 oz $36.58
$3658
current price $36.58BG Advanced Formula MOA EPR_115 Automotive Additive, 32 oz
194.3 out of 5 Stars. 19 reviews
Red Line 70802 85 Plus Diesel Fuel Additives - 12 Ounce $13.69 Was $15.99
Now$1369
current price Now $13.69, Was $15.99$15.99
Red Line 70802 85 Plus Diesel Fuel Additives - 12 Ounce
GUNK Motor Medic Anti-Wear Additive Lead Substitute 10W, 12 fl oz $11.16
$1116
current price $11.16GUNK Motor Medic Anti-Wear Additive Lead Substitute 10W, 12 fl oz
24 out of 5 Stars. 2 reviews
Marvel Mystery Oil Marvel Oil Enhancer & Fuel Treatment Automotive Additive, 16 oz $12.00 Was $14.00
Now$1200
current price Now $12.00, Was $14.00$14.00
Marvel Mystery Oil Marvel Oil Enhancer & Fuel Treatment Automotive Additive, 16 oz
15 out of 5 Stars. 1 reviews
Liqui Moly 20234 Fuel Performance Enhancers Automotive Additive Can, 8.4 Fl oz $19.50 Was $31.95
Now$1950
current price Now $19.50, Was $31.95$31.95
Liqui Moly 20234 Fuel Performance Enhancers Automotive Additive Can, 8.4 Fl oz
35 out of 5 Stars. 3 reviews
PowerPlus Lubricants Fuel Additive Alcohol Top Lube Scented 16oz Variety Pack $59.99
$5999
current price $59.99PowerPlus Lubricants Fuel Additive Alcohol Top Lube Scented 16oz Variety Pack
DWD2 Clean Metal? Conditioner - Engine Oil Additive, Friction Reducer 7 oz. | Motor Oil Additive | Nano-Technology | Reduce Heat and Friction | Enhance Engine Performance | Increase Fuel Economy
DWD2 Clean Metal? Conditioner - Engine Oil Additive, Friction Reducer 7 oz. | Motor Oil Additive | Nano-Technology | Reduce Heat and Friction | Enhance Engine Performance | Increase Fuel Economy
Red Line 85+ Diesel Fuel Additive - 12oz. - 70802 $119.12 $9.93/ca
$11912
current price $119.12$9.93/ca
Red Line 85+ Diesel Fuel Additive - 12oz. - 70802
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HKS 200 ml Add-II Engine Oil Additive $43.56
$4356
current price $43.56HKS 200 ml Add-II Engine Oil Additive
Nsxcdh Engine Wear Protectant 100ml High Efficiency Noise Reduction Oil Additive Strong Cure Friction Reduction Extended Life for Gas Christmas Gifts $7.99
$799
current price $7.99Nsxcdh Engine Wear Protectant 100ml High Efficiency Noise Reduction Oil Additive Strong Cure Friction Reduction Extended Life for Gas Christmas Gifts
Xqxayjr under $5 Battery Reconditioning Fluid, 500ml Battery Recovery Fluid for Lead Acid Batteries, Battery Reconditioning Solution Additive for Car Motorcycle, with Tools Included $11.19
$1119
current price $11.19Xqxayjr under $5 Battery Reconditioning Fluid, 500ml Battery Recovery Fluid for Lead Acid Batteries, Battery Reconditioning Solution Additive for Car Motorcycle, with Tools Included
Nsxcdh Vehicle Battery Repair Fluid 3.4oz Maintenance Restores Charging Efficiency Advanced Technology Compatible with Car Battery Types Christmas Gifts $5.99 Was $6.99
Now$599
current price Now $5.99, Was $6.99$6.99
Nsxcdh Vehicle Battery Repair Fluid 3.4oz Maintenance Restores Charging Efficiency Advanced Technology Compatible with Car Battery Types Christmas Gifts
Konghyp Automotive Additives – 100ml Formula to Increase Power, Improve Efficiency, and Maintain Engine Cleanliness, Essential for Optimal Vehicle Performance. Was $4.74
Konghyp Automotive Additives – 100ml Formula to Increase Power, Improve Efficiency, and Maintain Engine Cleanliness, Essential for Optimal Vehicle Performance.
STA-BIL Fast Fix 22304 Small Engine Treatment Automotive Additive, 8 oz
STA-BIL Fast Fix 22304 Small Engine Treatment Automotive Additive, 8 oz
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
35 out of 5 Stars. 3 reviews
Power Plus 19769-18 Fuel Additive Alcohol Top Lube Cherry Scented
Power Plus 19769-18 Fuel Additive Alcohol Top Lube Cherry Scented
23 out of 5 Stars. 2 reviews
Marvel Mystery Oil Automotive Additives for Fuel Treatment, 16 Oz, 2 Pack
Marvel Mystery Oil Automotive Additives for Fuel Treatment, 16 Oz, 2 Pack
25 out of 5 Stars. 2 reviews
Best seller STP High Mileage Fuel Injector and Carburetor Cleaner - 5.25 fl oz From $2.88
5 options
Available in additional 5 optionsFrom$288
STP High Mileage Fuel Injector and Carburetor Cleaner - 5.25 fl oz
2094.7 out of 5 Stars. 209 reviews
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STP High Mileage Fuel Injector & Carburetor Cleaner - 5.25 fl oz (2 Count) From $5.28
5 options
Available in additional 5 optionsFrom$528
STP High Mileage Fuel Injector & Carburetor Cleaner - 5.25 fl oz (2 Count)
5284.7 out of 5 Stars. 528 reviews
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Popular in Top Rated Products in Additives
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Red Line RL-2 Diesel Additive - 15oz. - 70303
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Howes Diesel Treat Diesel Conditioner and Anti-Gel | 6/64 Ounce Case$82.08current price $82.08Nitro Lubricants Carb & Choke Cleaner - 12oz Sensor Safe, Fast Clean (4-Pack)
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