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AdditivesAdvance Auto Parts ShopAll Auto PaintAntifreeze & Car CoolantsATV / UTV Oils & FluidsAuto Paint ChemicalsAuto Repair ToolsAutomotive Bulk BuysAutomotive Cleaners & DegreasersAutomotive FluidsAutomotive GreasesAutomotive Paints and CoatingsAutomotive Specialty PaintsBody RepairBody Repair ToolsBrakes & Brake PartsBulk Automotive FluidsCar WashCar Wash SoapCar Wash SuppliesDirt Bike Parts & AccessoriesEngine & Powertrain Replacement PartsExhaust Parts & Emissions PartsExterior Car DetailingFarm and Agriculture Bulk BuysGaskets & Sealers on Advance Auto Parts ShopHeadlight RestorationIgnition and Tune Up on Advance Auto Parts ShopInterior Car DetailingLIQUI MOLYMaintenance EquipmentMotor OilMotor Oil, Fluids & Additives on Advance Auto Parts ShopMotorcycle Oils & FluidsOil Change ToolsPaint and Decal RemoversPerformance Ignition and ElectricalPrestoneReplacement Auto PartsRoad Trip Oil, Fluids & FiltersRV CleanersShop Automotive Paint by Color and FinishSuperTechTire and Wheel AccessoriesTractor FluidsTruck and Fleet Bulk BuysUTV Parts & Accessories

Additives For Plastics

Uses item details. Price when purchased online

100+ bought since yesterday Lucas Oil 10020 Fuel Treatment 5.25 Ounce From $5.79

100+ bought since yesterday
Lucas Oil 10020 Fuel Treatment 5.25 Ounce
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Sponsored
From$579

Lucas Oil 10020 Fuel Treatment 5.25 Ounce

4.8 out of 5 stars
4.8 out of 5 Stars. 1855 reviews

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
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Sponsored
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
4.8 out of 5 Stars. 271 reviews

Diesel Kleen + Cetane Boost 64-oz 6/1 per Case From $20.64

Diesel Kleen + Cetane Boost 64-oz 6/1 per Case
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From$2064

Diesel Kleen + Cetane Boost 64-oz 6/1 per Case

4.7 out of 5 stars
4.7 out of 5 Stars. 371 reviews

Best seller Marvel Mystery Oil - Oil Enhancer and Fuel Treatment, 32 oz. From $6.58

Best seller
Marvel Mystery Oil - Oil Enhancer and Fuel Treatment, 32 oz.
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Sponsored
From$658

Marvel Mystery Oil - Oil Enhancer and Fuel Treatment, 32 oz.

4.8 out of 5 stars
4.8 out of 5 Stars. 1190 reviews

100+ bought since yesterday Cristal Products GX-3 Plastic Restorer

100+ bought since yesterday
Cristal Products GX-3 Plastic Restorer

Cristal Products GX-3 Plastic Restorer

4.7 out of 5 stars
4.7 out of 5 Stars. 788 reviews

Liqui Moly Cera Tec 20002 Automotive Additive, 300 mL $31.02

Liqui Moly Cera Tec 20002 Automotive Additive, 300 mL
current price $31.02

Liqui Moly Cera Tec 20002 Automotive Additive, 300 mL

4.8 out of 5 stars
4.8 out of 5 Stars. 73 reviews

Best seller Chemical Guys VRP (Vinyl/Rubber/Plastic) Super Shine Protectant, 16 oz From $11.97

Best seller
Chemical Guys VRP (Vinyl/Rubber/Plastic) Super Shine Protectant, 16 oz
Multicolor, variant on Chemical Guys VRP (Vinyl/Rubber/Plastic) Super Shine Protectant, 16 oz
White, variant on Chemical Guys VRP (Vinyl/Rubber/Plastic) Super Shine Protectant, 16 oz
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From$1197

Chemical Guys VRP (Vinyl/Rubber/Plastic) Super Shine Protectant, 16 oz

4.6 out of 5 stars
4.6 out of 5 Stars. 1241 reviews

904-001 Duratec Clear Hi-Gloss Additive for Gelcoat (Pint) $41.99

904-001 Duratec Clear Hi-Gloss Additive for Gelcoat (Pint)
current price $41.99

904-001 Duratec Clear Hi-Gloss Additive for Gelcoat (Pint)

Hxlamzoo Car Tank Leak Repair Powder Stop Leak Powder Leak Filler Repair Tank Leak Stop Leak Truck Leak Plugger Powerful Additive Powder for All Plastic, Metals, Aluminum, Hoses and Connections $1.99

Hxlamzoo Car Tank Leak Repair Powder Stop Leak Powder Leak Filler Repair Tank Leak Stop Leak Truck Leak Plugger Powerful Additive Powder for All Plastic, Metals, Aluminum, Hoses and Connections
current price $1.99

Hxlamzoo Car Tank Leak Repair Powder Stop Leak Powder Leak Filler Repair Tank Leak Stop Leak Truck Leak Plugger Powerful Additive Powder for All Plastic, Metals, Aluminum, Hoses and Connections

Transtar Autobody Products 9194 - Universal Urethane Flex Additive - 1 qt Can - Clear - Liquid $69.46

Transtar Autobody Products 9194 - Universal Urethane Flex Additive - 1 qt Can - Clear - Liquid
current price $69.46

Transtar Autobody Products 9194 - Universal Urethane Flex Additive - 1 qt Can - Clear - Liquid

5 out of 5 stars
5 out of 5 Stars. 2 reviews

Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz From $13.78

Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz
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From$1378

Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz

4.7 out of 5 stars
4.7 out of 5 Stars. 338 reviews

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

Gumout Multi-System Tune-up 16 oz Automotive Additive - 510011W
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From$764

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

4.7 out of 5 stars
4.7 out of 5 Stars. 488 reviews

Epox-It 80 From $22.99

Epox-It 80
Available in additional 3 options
Options
From$2299

Epox-It 80

5 out of 5 stars
5 out of 5 Stars. 2 reviews

AT-205 Re-Seal Leak Stopper 8 Ounce - 4 Pack $68.35

AT-205 Re-Seal Leak Stopper 8 Ounce - 4 Pack
current price $68.35

AT-205 Re-Seal Leak Stopper 8 Ounce - 4 Pack

5 out of 5 stars
5 out of 5 Stars. 4 reviews

DuraFlex Flexible Additive From $61.10

DuraFlex Flexible Additive
Available in additional 2 options
Options
From$6110

DuraFlex Flexible Additive

Mechanic in a Bottle PRO Ultrasonic Cleaner & Degreaser, Makes Up to 8 Gallons, Carburetor Cleaner, Cleans Fuel Injector, Engine Part, Plastic. Water-Based Made in USA, 128 oz $35.95

Mechanic in a Bottle PRO Ultrasonic Cleaner & Degreaser, Makes Up to 8 Gallons, Carburetor Cleaner, Cleans Fuel Injector, Engine Part, Plastic. Water-Based Made in USA, 128 oz
current price $35.95

Mechanic in a Bottle PRO Ultrasonic Cleaner & Degreaser, Makes Up to 8 Gallons, Carburetor Cleaner, Cleans Fuel Injector, Engine Part, Plastic. Water-Based Made in USA, 128 oz

(2 pack) Rust-Oleum Automotive Acetone-248667, Quart From $11.97

(2 pack) Rust-Oleum Automotive Acetone-248667, Quart
Available in additional 3 options
Options
From$1197

(2 pack) Rust-Oleum Automotive Acetone-248667, Quart

4.7 out of 5 stars
4.7 out of 5 Stars. 329 reviews

Qholemyo 300ml Automotive System Protectant Additive, Anti-Fouling Sealing & Heat Dissipation Fluid $8.41

Qholemyo 300ml Automotive System Protectant Additive, Anti-Fouling Sealing & Heat Dissipation Fluid
current price $8.41

Qholemyo 300ml Automotive System Protectant Additive, Anti-Fouling Sealing & Heat Dissipation Fluid

US Chemical 58220 All Resin, 1 gal Can, Amber, Liquid $122.68

US Chemical 58220 All Resin, 1 gal Can, Amber, Liquid
current price $122.68

US Chemical 58220 All Resin, 1 gal Can, Amber, Liquid

Automotive Attachment Tape Adhesion Promoter $51.33

Automotive Attachment Tape Adhesion Promoter
current price $51.33

Automotive Attachment Tape Adhesion Promoter

Gumout Octane Boost, 10 oz- 510022W From $3.74

Gumout Octane Boost, 10 oz- 510022W
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Sponsored
From$374

Gumout Octane Boost, 10 oz- 510022W

4.7 out of 5 stars
4.7 out of 5 Stars. 484 reviews

Rislone Hy-per Fuel 4700 Complete Fuel System Cleaner Gas Automotive Additive 16.9 oz From $13.17

Rislone Hy-per Fuel 4700 Complete Fuel System Cleaner Gas Automotive Additive 16.9 oz
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From$1317

Rislone Hy-per Fuel 4700 Complete Fuel System Cleaner Gas Automotive Additive 16.9 oz

4.8 out of 5 stars
4.8 out of 5 Stars. 1090 reviews

Bar's Leaks Original Pelletized Formula Heavy-Duty Stop Leak, 11 oz $11.75

Bar's Leaks Original Pelletized Formula Heavy-Duty Stop Leak, 11 oz
current price $11.75

Bar's Leaks Original Pelletized Formula Heavy-Duty Stop Leak, 11 oz

4.4 out of 5 stars
4.4 out of 5 Stars. 94 reviews

Best seller Marvel Mystery Oil - Oil Enhancer and Fuel Treatment, 32 oz. From $6.58

Best seller
Marvel Mystery Oil - Oil Enhancer and Fuel Treatment, 32 oz.
Available in additional 4 options
Options
From$658

Marvel Mystery Oil - Oil Enhancer and Fuel Treatment, 32 oz.

4.8 out of 5 stars
4.8 out of 5 Stars. 1190 reviews

(24 pack) Super Tech All Purpose Cleaner From $4.18

(24 pack) Super Tech All Purpose Cleaner
Available in additional 5 options
Options
From$418

(24 pack) Super Tech All Purpose Cleaner

4.6 out of 5 stars
4.6 out of 5 Stars. 224 reviews

Visbella Radiator Stop Leak Powder, 15g, for Cars, Trucks, Suvs and Vans $6.99 Was $7.99

Visbella Radiator Stop Leak Powder, 15g, for Cars, Trucks, Suvs and Vans
current price Now $6.99, Was $7.99

Visbella Radiator Stop Leak Powder, 15g, for Cars, Trucks, Suvs and Vans

Lead Substitute - 16 oz. $24.99

Lead Substitute - 16 oz.
current price $24.99

Lead Substitute - 16 oz.

5 out of 5 stars
5 out of 5 Stars. 1 reviews

Best seller Berryman B-12 Chemtool Fuel System Cleaner, 15 oz From $4.97

Best seller
Berryman B-12 Chemtool Fuel System Cleaner, 15 oz
Available in additional 5 options
Options
From$497

Berryman B-12 Chemtool Fuel System Cleaner, 15 oz

4.8 out of 5 stars
4.8 out of 5 Stars. 1581 reviews

Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz From $12.98

Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz
Available in additional 5 options
Options
From$1298

Bar's Leaks 1000 High Mileage Engine Repair, Automotive Additive, 16.9 oz

4.7 out of 5 stars
4.7 out of 5 Stars. 338 reviews

Car Tank Leak Repair Powder Stop Leak Powder Leak Filler Repair Tank Leak Stop Leak Leak Filler Powder Truck Leak Plugger Powerful Additive Powder Long Lasting, Usupdd 2025 Car Tank Leak $4.49 Was $5.19

Car Tank Leak Repair Powder Stop Leak Powder Leak Filler Repair Tank Leak Stop Leak Leak Filler Powder Truck Leak Plugger Powerful Additive Powder Long Lasting, Usupdd 2025 Car Tank Leak
current price Now $4.49, Was $5.19

Car Tank Leak Repair Powder Stop Leak Powder Leak Filler Repair Tank Leak Stop Leak Leak Filler Powder Truck Leak Plugger Powerful Additive Powder Long Lasting, Usupdd 2025 Car Tank Leak

Bar's Leaks 1400 High Mileage Transmission Repair, Automotive Additive, 16 oz From $12.73

Bar's Leaks 1400 High Mileage Transmission Repair, Automotive Additive, 16 oz
Options
Sponsored
From$1273

Bar's Leaks 1400 High Mileage Transmission Repair, Automotive Additive, 16 oz

4.6 out of 5 stars
4.6 out of 5 Stars. 358 reviews

Best seller Hot Shot's Secret Everyday Diesel Treatment 16 oz. Squeeze Bottle, 6-in-1 Fuel System Cleaner & Cetane Boost. From $18.97

Best seller
Hot Shot's Secret Everyday Diesel Treatment 16 oz. Squeeze Bottle, 6-in-1 Fuel System Cleaner & Cetane Boost.
Options
Sponsored
From$1897

Hot Shot's Secret Everyday Diesel Treatment 16 oz. Squeeze Bottle, 6-in-1 Fuel System Cleaner & Cetane Boost.

4.9 out of 5 stars
4.9 out of 5 Stars. 1133 reviews

RSC Chemical Solutions Gunk Transmedic Treatment Automatic Transmission Fluid, 12 oz $13.09

RSC Chemical Solutions Gunk Transmedic Treatment Automatic Transmission Fluid, 12 oz
current price $13.09

RSC Chemical Solutions Gunk Transmedic Treatment Automatic Transmission Fluid, 12 oz

4.6 out of 5 stars
4.6 out of 5 Stars. 8 reviews

Lead Substitute - 1 Gallon $89.99

Lead Substitute - 1 Gallon
current price $89.99

Lead Substitute - 1 Gallon

4.3 out of 5 stars
4.3 out of 5 Stars. 6 reviews

P&F CS5007 BTE Plus Formula Liquid Additive Replacement for DCA4, DCA60L 16Oz Each Pack of 6 $70.00

P&F CS5007 BTE Plus Formula Liquid Additive Replacement for DCA4, DCA60L 16Oz Each Pack of 6
current price $70.00

P&F CS5007 BTE Plus Formula Liquid Additive Replacement for DCA4, DCA60L 16Oz Each Pack of 6

BTE Liquid Coolant Additive (Half Gallon Plastic Jug) Baldwin CS5009 $37.00

BTE Liquid Coolant Additive (Half Gallon Plastic Jug) Baldwin CS5009
current price $37.00

BTE Liquid Coolant Additive (Half Gallon Plastic Jug) Baldwin CS5009

Bar's Leaks Cooling System Stop Leak Antifreeze and Coolant, 11 oz

Bar's Leaks Cooling System Stop Leak Antifreeze and Coolant, 11 oz

Bar's Leaks Cooling System Stop Leak Antifreeze and Coolant, 11 oz

4.5 out of 5 stars
4.5 out of 5 Stars. 70 reviews

Mechanic in a Bottle Fuel System Fix All Fuel Additive, 4 oz bottle From $5.94

Mechanic in a Bottle Fuel System Fix All Fuel Additive, 4 oz bottle
Available in additional 2 options
Options
From$594

Mechanic in a Bottle Fuel System Fix All Fuel Additive, 4 oz bottle

4.6 out of 5 stars
4.6 out of 5 Stars. 170 reviews

Techron Concentrate Plus 12oz $20.99

Techron Concentrate Plus 12oz
current price $20.99

Techron Concentrate Plus 12oz

4.5 out of 5 stars
4.5 out of 5 Stars. 62 reviews

BTE Liquid Coolant Additive (Pint Plastic Bottle) Baldwin CS5008 $18.00

BTE Liquid Coolant Additive (Pint Plastic Bottle) Baldwin CS5008
current price $18.00

BTE Liquid Coolant Additive (Pint Plastic Bottle) Baldwin CS5008

5 out of 5 stars
5 out of 5 Stars. 3 reviews

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

500+ bought since yesterday
Sea Foam SF16 Motor Treatment Automotive Additive, 16 oz
Available in additional 5 options

Sea Foam SF16 Motor Treatment Automotive Additive, 16 oz

Ethanol Shield 4 oz - Case of 12

Ethanol Shield 4 oz - Case of 12

Ethanol Shield 4 oz - Case of 12

Lunxisen 10 pcs Catalytic Converter Cleaner,Auto Engine(120ml

Lunxisen 10 pcs Catalytic Converter Cleaner,Auto Engine(120ml
Available in additional 5 options

Lunxisen 10 pcs Catalytic Converter Cleaner,Auto Engine(120ml

P&F CS5007 BTA Plus Formula Liquid Additive Replacement for DCA4, 16 Oz Each Pack of 12

P&F CS5007 BTA Plus Formula Liquid Additive Replacement for DCA4, 16 Oz Each Pack of 12

P&F CS5007 BTA Plus Formula Liquid Additive Replacement for DCA4, 16 Oz Each Pack of 12

GUNK Motor Medic Anti-Wear Additive Lead Substitute 10W, 12 fl oz

GUNK Motor Medic Anti-Wear Additive Lead Substitute 10W, 12 fl oz

GUNK Motor Medic Anti-Wear Additive Lead Substitute 10W, 12 fl oz

1 Can of New BG EPR Engine Performance Restoration 109

1 Can of New BG EPR Engine Performance Restoration 109

1 Can of New BG EPR Engine Performance Restoration 109

Limited Slip Additive

Limited Slip Additive

Limited Slip Additive

Bar's Leaks 1199 Radiator Stop Leak Automotive Additive, Vehicle Type: Universal, 11oz

Bar's Leaks 1199 Radiator Stop Leak Automotive Additive, Vehicle Type: Universal, 11oz
Available in additional 2 options

Bar's Leaks 1199 Radiator Stop Leak Automotive Additive, Vehicle Type: Universal, 11oz

LEAD SUBSTITUTE 12OZ

LEAD SUBSTITUTE 12OZ

LEAD SUBSTITUTE 12OZ

Marvel Mystery Oil - Oil Enhancer and Fuel Treatment, 1 Gallon

Marvel Mystery Oil - Oil Enhancer and Fuel Treatment, 1 Gallon
Available in additional 2 options

Marvel Mystery Oil - Oil Enhancer and Fuel Treatment, 1 Gallon

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