Top Rated Products in Additives(63)
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
61534.8 out of 5 Stars. 6153 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
17424.8 out of 5 Stars. 1742 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
11884.8 out of 5 Stars. 1188 reviews
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100+ bought since yesterday 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
4884.7 out of 5 Stars. 488 reviews
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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
4244.7 out of 5 Stars. 424 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
3254.6 out of 5 Stars. 325 reviews
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Best seller 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)
4524.7 out of 5 Stars. 452 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
3334.6 out of 5 Stars. 333 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
4624.7 out of 5 Stars. 462 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
1424.7 out of 5 Stars. 142 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)
2734.6 out of 5 Stars. 273 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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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
1904.5 out of 5 Stars. 190 reviews
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Rislone 4102 Engine Treatment Automotive Additive, 16.9 oz From $6.36
5 options
Available in additional 5 optionsFrom$636
Rislone 4102 Engine Treatment Automotive Additive, 16.9 oz
5694.7 out of 5 Stars. 569 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
1214.7 out of 5 Stars. 121 reviews
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Rislone Hy-per Lube Zinc ZDDP Supplement, Automotive Additives, 11 oz From $12.91
5 options
Available in additional 5 optionsFrom$1291
Rislone Hy-per Lube Zinc ZDDP Supplement, Automotive Additives, 11 oz
16384.9 out of 5 Stars. 1638 reviews
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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
114.5 out of 5 Stars. 11 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
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
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
2364.7 out of 5 Stars. 236 reviews
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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
25 out of 5 Stars. 2 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
Liqui Moly 20234 Fuel Performance Enhancers Automotive Additive Can, 8.4 Fl oz $18.87 Was $31.95
Now$1887
current price Now $18.87, 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
Power Plus 19769-18 Fuel Additive Alcohol Top Lube Cherry Scented $31.55
$3155
current price $31.55Power Plus 19769-18 Fuel Additive Alcohol Top Lube Cherry Scented
23 out of 5 Stars. 2 reviews
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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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
HKS 200 ml Add-II Engine Oil Additive $41.14
$4114
current price $41.14HKS 200 ml Add-II Engine Oil Additive
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.
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 Was $12.99
Now$1119
current price Now $11.19, Was $12.99$12.99
Xqxayjr under $5 Battery Reconditioning Fluid, 500ml Battery Recovery Fluid for Lead Acid Batteries, Battery Reconditioning Solution Additive for Car Motorcycle, with Tools Included
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
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
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 $3.99
$399
current price $3.99Gecau 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
Automotive Additives Increase Power Improve Efficiency and Maintain Cleanliness 100ml $10.37
$1037
current price $10.37Automotive Additives Increase Power Improve Efficiency and Maintain Cleanliness 100ml
Marvel Mystery Oil Marvel Oil Enhancer & Fuel Treatment Automotive Additive, 16 oz
Marvel Mystery Oil Marvel Oil Enhancer & Fuel Treatment Automotive Additive, 16 oz
15 out of 5 Stars. 1 reviews
STA-BIL Fast Fix 22304 Small Engine Treatment Automotive Additive, 8 oz
STA-BIL Fast Fix 22304 Small Engine Treatment Automotive Additive, 8 oz
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
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
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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Star Tron Enzyme Fuel Treatment - Small Engine Formula – Gas Additive Rejuvenates & Stabilizes Old Gasoline - Cures & Prevents Ethanol Problems From $8.92
5 options
Available in additional 5 optionsFrom$892
Star Tron Enzyme Fuel Treatment - Small Engine Formula – Gas Additive Rejuvenates & Stabilizes Old Gasoline - Cures & Prevents Ethanol Problems
2494.8 out of 5 Stars. 249 reviews
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