Sort by|

Top Rated Products in Additives

Uses item details. Price when purchased online

500+ bought since yesterday Sea Foam SF16 Motor Treatment Automotive Additive, 16 oz From $8.48

Sea Foam SF16 Motor Treatment Automotive Additive, 16 oz
Available in additional 5 options
From$848

Sea Foam SF16 Motor Treatment Automotive Additive, 16 oz

4.8 out of 5 Stars. 6131 reviews
Save with
Walmart Plus

100+ bought since yesterday Lucas Oil 10020 Fuel Treatment 5.25 Ounce From $5.78

Lucas Oil 10020 Fuel Treatment 5.25 Ounce
Available in additional 5 options
From$578

Lucas Oil 10020 Fuel Treatment 5.25 Ounce

4.8 out of 5 Stars. 1719 reviews
Save with
Walmart Plus

50+ bought since yesterday STP Super Concentrated Gas Treatment 5.25 fl oz - Automotive Fuel Additive for Cars and Boats From $2.93

STP Super Concentrated Gas Treatment 5.25 fl oz - Automotive Fuel Additive for Cars and Boats
Available in additional 5 options
From$293

STP Super Concentrated Gas Treatment 5.25 fl oz - Automotive Fuel Additive for Cars and Boats

4.7 out of 5 Stars. 481 reviews
Save with
Walmart Plus

Best seller STP High Mileage Fuel Injector and Carburetor Cleaner - 5.25 fl oz From $2.88

STP High Mileage Fuel Injector and Carburetor Cleaner - 5.25 fl oz
Available in additional 5 options
From$288

STP High Mileage Fuel Injector and Carburetor Cleaner - 5.25 fl oz

4.7 out of 5 Stars. 205 reviews
Save with
Walmart Plus

Best seller STP High Mileage Fuel Injector & Carburetor Cleaner - 5.25 fl oz (2 Count) From $5.28

STP High Mileage Fuel Injector & Carburetor Cleaner - 5.25 fl oz (2 Count)
Available in additional 5 options
From$528

STP High Mileage Fuel Injector & Carburetor Cleaner - 5.25 fl oz (2 Count)

4.7 out of 5 Stars. 521 reviews
Save with
Walmart Plus

Gumout High Mileage Fuel Injector Cleaner Additive, 6 oz - 510013 From $3.68

Gumout High Mileage Fuel Injector Cleaner Additive, 6 oz - 510013
Available in additional 5 options
From$368

Gumout High Mileage Fuel Injector Cleaner Additive, 6 oz - 510013

4.7 out of 5 Stars. 421 reviews
Save with
Walmart Plus

Best seller STP Gas Treatment For Any Gasoline Engine - 5.25 fl oz (2 Count) From $4.98

STP Gas Treatment For Any Gasoline Engine - 5.25 fl oz (2 Count)
Available in additional 5 options
From$498

STP Gas Treatment For Any Gasoline Engine - 5.25 fl oz (2 Count)

4.7 out of 5 Stars. 449 reviews
Save with
Walmart Plus

Super Tech Fuel Injector Cleaner Automotive Additive, 6 fl oz Was $2.67

Super Tech Fuel Injector Cleaner Automotive Additive, 6 fl oz
Available in additional 5 options

Super Tech Fuel Injector Cleaner Automotive Additive, 6 fl oz

4.6 out of 5 Stars. 325 reviews
Save with
Walmart Plus

Super Tech Universal Motor Treatment for Gas, Diesel, and Oil, Truck and Car 16 fl oz From $4.64

Super Tech Universal Motor Treatment for Gas, Diesel, and Oil, Truck and Car 16 fl oz
Available in additional 5 options
From$464

Super Tech Universal Motor Treatment for Gas, Diesel, and Oil, Truck and Car 16 fl oz

4.6 out of 5 Stars. 328 reviews
Save with
Walmart Plus

Top rated for fuel economy STP Octane Booster 5.25 fl oz From $4.48

STP Octane Booster 5.25 fl oz
Available in additional 5 options
From$448

STP Octane Booster 5.25 fl oz

4.6 out of 5 Stars. 268 reviews
Save with
Walmart Plus

Marvel Mystery Oil - Automotive Additive Oil Enhancer and Fuel Treatment , 64 oz, Works with Vehicles with Gasoline and Diesel Engines From $12.97

Marvel Mystery Oil - Automotive Additive Oil Enhancer and Fuel Treatment , 64 oz, Works with Vehicles with Gasoline and Diesel Engines
Available in additional 4 options
From$1297

Marvel Mystery Oil - Automotive Additive Oil Enhancer and Fuel Treatment , 64 oz, Works with Vehicles with Gasoline and Diesel Engines

4.7 out of 5 Stars. 140 reviews
Save with
Walmart Plus

Gumout Multi-System Tune-up 16 oz Automotive Additive - 510011W From $7.64

Gumout Multi-System Tune-up 16 oz Automotive Additive - 510011W
Available in additional 5 options
From$764

Gumout Multi-System Tune-up 16 oz Automotive Additive - 510011W

4.7 out of 5 Stars. 459 reviews
Save with
Walmart Plus

STP Super Concentrated Fuel Injector Cleaner 5.25 FL OZ For Automotive Additive From $3.38

STP Super Concentrated Fuel Injector Cleaner 5.25 FL OZ For Automotive Additive
Available in additional 5 options
From$338

STP Super Concentrated Fuel Injector Cleaner 5.25 FL OZ For Automotive Additive

4.5 out of 5 Stars. 190 reviews
Save with
Walmart Plus

Rislone 4102 Engine Treatment Automotive Additive, 16.9 oz From $6.36

Rislone 4102 Engine Treatment Automotive Additive, 16.9 oz
Available in additional 5 options
From$636

Rislone 4102 Engine Treatment Automotive Additive, 16.9 oz

4.7 out of 5 Stars. 565 reviews
Save with
Walmart Plus

Super Tech Motor Oil Additive, 32 oz From $10.42

Super Tech Motor Oil Additive, 32 oz
Available in additional 5 options
From$1042

Super Tech Motor Oil Additive, 32 oz

4.7 out of 5 Stars. 119 reviews
Save with
Walmart Plus

Sea Foam Fuel Additive SF16 - Universal Automotive Treatment - 16 oz Bottle $15.99

Sea Foam Fuel Additive SF16 - Universal Automotive Treatment - 16 oz Bottle
current price $15.99

Sea Foam Fuel Additive SF16 - Universal Automotive Treatment - 16 oz Bottle

4.5 out of 5 Stars. 10 reviews
Save with
Walmart Plus

Opti-Lube XPD Diesel Fuel Improver Automotive Additive, Diesel Fuel Additive $81.00

Opti-Lube XPD Diesel Fuel Improver Automotive Additive, Diesel Fuel Additive
current price $81.00

Opti-Lube XPD Diesel Fuel Improver Automotive Additive, Diesel Fuel Additive

4.8 out of 5 Stars. 49 reviews

Star brite Star Tron Enzyme Fuel Treatment - Classic Gas Formula $12.42 Was $15.26 77.6 ¢/fl oz

Star brite Star Tron Enzyme Fuel Treatment - Classic Gas Formula
current price Now $12.42, Was $15.26
77.6 ¢/fl oz

Star brite Star Tron Enzyme Fuel Treatment - Classic Gas Formula

5 out of 5 Stars. 2 reviews
Save with
Walmart Plus

BG Advanced Formula MOA EPR_115 Automotive Additive, 32 oz $38.50

BG Advanced Formula MOA EPR_115 Automotive Additive, 32 oz
current price $38.50

BG Advanced Formula MOA EPR_115 Automotive Additive, 32 oz

4.3 out of 5 Stars. 19 reviews

Liqui Moly 20234 Fuel Performance Enhancers Automotive Additive Can, 8.4 Fl oz $18.87 Was $31.95

Liqui Moly 20234 Fuel Performance Enhancers Automotive Additive Can, 8.4 Fl oz
current price Now $18.87, Was $31.95

Liqui Moly 20234 Fuel Performance Enhancers Automotive Additive Can, 8.4 Fl oz

5 out of 5 Stars. 2 reviews

STP 1 Tank Tune Up Fuel Additive – 12 Fl Oz From $15.97

STP 1 Tank Tune Up Fuel Additive – 12 Fl Oz
Available in additional 4 options
From$1597

STP 1 Tank Tune Up Fuel Additive – 12 Fl Oz

4.7 out of 5 Stars. 236 reviews
Save with
Walmart Plus

Marvel Mystery Oil Marvel Oil Enhancer & Fuel Treatment Automotive Additive, 16 oz

Marvel Mystery Oil Marvel Oil Enhancer & Fuel Treatment Automotive Additive, 16 oz

Marvel Mystery Oil Marvel Oil Enhancer & Fuel Treatment Automotive Additive, 16 oz

5 out of 5 Stars. 1 reviews

PowerPlus Lubricants Fuel Additive Alcohol Top Lube Scented 16oz Variety Pack $59.99

PowerPlus Lubricants Fuel Additive Alcohol Top Lube Scented 16oz Variety Pack
current price $59.99

PowerPlus Lubricants Fuel Additive Alcohol Top Lube Scented 16oz Variety Pack

STP Complete Fuel System Cleaner Automotive Additive, 16 Ounce $21.70

STP Complete Fuel System Cleaner Automotive Additive, 16 Ounce
current price $21.70

STP Complete Fuel System Cleaner Automotive Additive, 16 Ounce

5 out of 5 Stars. 1 reviews

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 Was $19.95

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 70802 85 Plus Diesel Fuel Additives - 12 Ounce $13.69 Was $16.99

Red Line 70802 85 Plus Diesel Fuel Additives - 12 Ounce
current price Now $13.69, Was $16.99

Red Line 70802 85 Plus Diesel Fuel Additives - 12 Ounce

Metal Lube Diesel Fuel Treatment Additive, Injector Cleaner 8 OZ 12 Pack From $44.00

Metal Lube Diesel Fuel Treatment Additive, Injector Cleaner 8 OZ 12 Pack
Available in additional 2 options
From$4400

Metal Lube Diesel Fuel Treatment Additive, Injector Cleaner 8 OZ 12 Pack

HKS 200 ml Add-II Engine Oil Additive $41.14

HKS  200 ml Add-II Engine Oil Additive
current price $41.14

HKS 200 ml Add-II Engine Oil Additive

Red Line 85+ Diesel Fuel Additive - 12oz. - 70802 $119.12 $9.93/ca

Red Line 85+ Diesel Fuel Additive - 12oz. - 70802
current price $119.12
$9.93/ca

Red Line 85+ Diesel Fuel Additive - 12oz. - 70802

Save with
Walmart Plus

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

Xqxayjr under $5 Battery Reconditioning Fluid, 500ml Battery Recovery Fluid for Lead Acid Batteries, Battery Reconditioning Solution Additive for Car Motorcycle, with Tools Included
current price Now $11.19, Was $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

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.

Konghyp Automotive Additives – 100ml Formula to Increase Power, Improve Efficiency, and Maintain Engine Cleanliness, Essential for Optimal Vehicle Performance.

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

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
current price $3.99

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

Automotive Additives Increase Power Improve Efficiency and Maintain Cleanliness 100ml $10.37

Automotive Additives Increase Power Improve Efficiency and Maintain Cleanliness 100ml
current price $10.37

Automotive Additives Increase Power Improve Efficiency and Maintain Cleanliness 100ml

Mduoduo Engine Oil Additive Designed to Protect Against Wear and Tear Effectively Car Accessories $11.26

Mduoduo Engine Oil Additive Designed to Protect Against Wear and Tear Effectively Car Accessories
current price $11.26

Mduoduo Engine Oil Additive Designed to Protect Against Wear and Tear Effectively Car Accessories

STA-BIL Fast Fix 22304 Small Engine Treatment Automotive Additive, 8 oz

STA-BIL Fast Fix 22304 Small Engine Treatment Automotive Additive, 8 oz

STA-BIL Fast Fix 22304 Small Engine Treatment Automotive Additive, 8 oz

Power Plus 19769-18 Fuel Additive Alcohol Top Lube Cherry Scented

Power Plus 19769-18 Fuel Additive Alcohol Top Lube Cherry Scented

Power Plus 19769-18 Fuel Additive Alcohol Top Lube Cherry Scented

3 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

Marvel Mystery Oil Automotive Additives for Fuel Treatment, 16 Oz, 2 Pack

5 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

Johnson/Evinrude/OMC OEM 2+4 Fuel Conditioner Treatment 16oz Pint 0766209 766209

5 out of 5 Stars. 3 reviews

Lucas Oil 10003 Fuel Injector Cleaner 32 oz. Automotive Additive From $9.89

Lucas Oil 10003 Fuel Injector Cleaner 32 oz. Automotive Additive
Available in additional 4 options
From$989

Lucas Oil 10003 Fuel Injector Cleaner 32 oz. Automotive Additive

4.8 out of 5 Stars. 1168 reviews
Save with
Walmart Plus

Star Tron Enzyme Fuel Treatment - Small Engine Formula – Gas Additive Rejuvenates & Stabilizes Old Gasoline - Cures & Prevents Ethanol Problems From $8.92

Star Tron Enzyme Fuel Treatment - Small Engine Formula – Gas Additive Rejuvenates & Stabilizes Old Gasoline - Cures & Prevents Ethanol Problems
Available in additional 5 options
From$892

Star Tron Enzyme Fuel Treatment - Small Engine Formula – Gas Additive Rejuvenates & Stabilizes Old Gasoline - Cures & Prevents Ethanol Problems

4.8 out of 5 Stars. 246 reviews
Save with
Walmart Plus

Highly rated by customers

Related Products