Shop best engine cleaner additive

Sponsored
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$92.99
STA-BIL Fast Fix - Small Engine Treatment, Cleans Carburetors & Injectors, Fixes Rough Running Engines, Eliminates Water, Carb Cleaner & Fuel Injector
Amazon.com
4K+
Free shipping
$92.99
STA-BIL Fast Fix - Small Engine Treatment, Cleans Carburetors & Injectors, Fixes Rough Running Engines, Eliminates Water, Carb Cleaner & Fuel Injector
Amazon.com
4K+
$24.99
Marvel Mystery Oil 53436 Motor Treatment, Engine Oil & Fuel Treatment Additive, Cleans And Lubricates Fuel System, Prevents Leaks, Improves Engine
Amazon.com
28
$24.99
Marvel Mystery Oil 53436 Motor Treatment, Engine Oil & Fuel Treatment Additive, Cleans And Lubricates Fuel System, Prevents Leaks, Improves Engine
Amazon.com
28
$741.89
Castrol Techniclean Sc 320 (Formally Detergen System Cleaner 320) Oil System Cleaning Additive 35 Lb Pail
Santie Wholesale Oil Company
$741.89
Castrol Techniclean Sc 320 (Formally Detergen System Cleaner 320) Oil System Cleaning Additive 35 Lb Pail
Santie Wholesale Oil Company
$38.95
Motorkote MK-HL32-06 Heavy Duty Hyper Lubricant Engine Treatment, 32-Ounce, Single, Black
Amazon.com
2K+
Free shipping
$38.95
Motorkote MK-HL32-06 Heavy Duty Hyper Lubricant Engine Treatment, 32-Ounce, Single, Black
Amazon.com
2K+
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
3K+
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
3K+
$25.79
Power Service Diesel Fuel Supplement Antigel +Cetane Boost 64 Oz. | Diesel Fuel Supplement 64 Oz | 1064-06
FleetPride
119
$25.79
Power Service Diesel Fuel Supplement Antigel +Cetane Boost 64 Oz. | Diesel Fuel Supplement 64 Oz | 1064-06
FleetPride
119
$13.99
Sea Foam High Mileage Motor Treatment Fuel And Oil Additive, For Gas Engines Over 75,000 Miles, 16 Oz, HM16
Advance Auto Parts
50
$13.99
Sea Foam High Mileage Motor Treatment Fuel And Oil Additive, For Gas Engines Over 75,000 Miles, 16 Oz, HM16
Advance Auto Parts
50
$6.99
Diesel Injector Cleaner + Cetane Boost Fuel Additive In 8 Oz. Bottle By AMSOIL | Improved Lubricity | ADSPCN-EA
AMSOIL
17
$6.99
Diesel Injector Cleaner + Cetane Boost Fuel Additive In 8 Oz. Bottle By AMSOIL | Improved Lubricity | ADSPCN-EA
AMSOIL
17
$47.79
Diesel 4-IN-1 Fuel Additive In 64 Oz. Bottle By AMSOIL | Improved Lubricity | ADBHG-EA | Fuel Additive, Cleaner/Lubricant/Cetane Boost
AMSOIL
48
$47.79
Diesel 4-IN-1 Fuel Additive In 64 Oz. Bottle By AMSOIL | Improved Lubricity | ADBHG-EA | Fuel Additive, Cleaner/Lubricant/Cetane Boost
AMSOIL
48
$79.99
Hot Shot's Secret DIESEL EXTREME Injector Cleaner & Cetane Boost - 1 GALLON
D&J Precision Machine
5K+
$79.99
Hot Shot's Secret DIESEL EXTREME Injector Cleaner & Cetane Boost - 1 GALLON
D&J Precision Machine
5K+
$29.95
WASH&WHIPS Green Hell Engine Cleaner & Degreaser 1 Gallon
Redline360.com
$29.95
WASH&WHIPS Green Hell Engine Cleaner & Degreaser 1 Gallon
Redline360.com
$15.43
Gunk Engine Cleaner And Degreaser,15.00 Oz.: Aerosol Spray Can, Solvent, 15 Oz Container Size, Flammable Model: CEB1
Grainger
1K+
$15.43
Gunk Engine Cleaner And Degreaser,15.00 Oz.: Aerosol Spray Can, Solvent, 15 Oz Container Size, Flammable Model: CEB1
Grainger
1K+
$14.95
WASH&WHIPS Green Hell Engine Cleaner & Degreaser 16 Oz
Redline360.com
$14.95
WASH&WHIPS Green Hell Engine Cleaner & Degreaser 16 Oz
Redline360.com
$546.44
Seafoam Fuel System Cleaner: Motor Treatment, Fuel System Cleaner, 1 Gal Container Size Model: SF000128
Grainger
104
$546.44
Seafoam Fuel System Cleaner: Motor Treatment, Fuel System Cleaner, 1 Gal Container Size Model: SF000128
Grainger
104
$19.99
Seafoam Motor Treatment: Motor Treatment, Fuel Injector, 16 Fl Oz Container Size Model: SF16
Grainger
5K+
$19.99
Seafoam Motor Treatment: Motor Treatment, Fuel Injector, 16 Fl Oz Container Size Model: SF16
Grainger
5K+
$73.79
True Brand Engine Clean
Santie Wholesale Oil Company
$73.79
True Brand Engine Clean
Santie Wholesale Oil Company
$6.69
Diesel Injector Cleaner Fuel Additive In 8 Oz. Bottle By AMSOIL | ADFPCN-EA | Restores Power And Torque, Reduces Smoke And Emissions
AMSOIL
48
$6.69
Diesel Injector Cleaner Fuel Additive In 8 Oz. Bottle By AMSOIL | ADFPCN-EA | Restores Power And Torque, Reduces Smoke And Emissions
AMSOIL
48
$15.99
Red Line Redline S-1 Fuel Treatment: Complete Fuel System Cleaner, Gas & Injector Additive Treatment, 15 Oz, 60103
Advance Auto Parts
7K+
$15.99
Red Line Redline S-1 Fuel Treatment: Complete Fuel System Cleaner, Gas & Injector Additive Treatment, 15 Oz, 60103
Advance Auto Parts
7K+
$23.99
Hot Shot's Secret DIESEL EXTREME Injector Cleaner & Cetane Boost - .95L CANADIAN
D&J Precision Machine
$23.99
Hot Shot's Secret DIESEL EXTREME Injector Cleaner & Cetane Boost - .95L CANADIAN
D&J Precision Machine
$32.76
$39.99
Epicflush Engine Cleaner
Watercraft Superstore
43
18% off
$32.76
$39.99
Epicflush Engine Cleaner
Watercraft Superstore
43
$27.97
$29.99
Epicflush Engine Cleaner
Watercraft Superstore
$27.97
$29.99
Epicflush Engine Cleaner
Watercraft Superstore
$7.00
Rislone 4102 Engine Treatment Concentrate Oil Additive 16.9Oz
eBay
22
$7.00
Rislone 4102 Engine Treatment Concentrate Oil Additive 16.9Oz
eBay
22
$18.97
6 Oz. Fuel System Cleaner - Joe Gibbs Driven Carb Defender Fuel Additive | Joe Gibbs Driven Racing Oil 70044
Summit Racing
5
$18.97
6 Oz. Fuel System Cleaner - Joe Gibbs Driven Carb Defender Fuel Additive | Joe Gibbs Driven Racing Oil 70044
Summit Racing
5
$20.99
WAB Engine & Chassis Cleaner - 1 Gallon
4 State Trucks
$20.99
WAB Engine & Chassis Cleaner - 1 Gallon
4 State Trucks
$12.99
Seafoam SF-16: Seafoam Motor Treatment
Summit Racing
30
$12.99
Seafoam SF-16: Seafoam Motor Treatment
Summit Racing
30
$178.11
LIQUI MOLY Dijectron Additive - Gasoline Direct Injection (GDI) Cleaner Lqm22076
Extreme Power House
122
$178.11
LIQUI MOLY Dijectron Additive - Gasoline Direct Injection (GDI) Cleaner Lqm22076
Extreme Power House
122
$10.97
Gunk 32 Oz Spray Bottle Automotive Engine Cleaner/Degreaser Proprietary Formula, Nonflammable Ebt32 - 35716786
Penn Tool Co
20
$10.97
Gunk 32 Oz Spray Bottle Automotive Engine Cleaner/Degreaser Proprietary Formula, Nonflammable Ebt32 - 35716786
Penn Tool Co
20
$93.99
Sea Foam 1 Gallon Motor Treatment Fuel Additive Engine Cleaner
eBay
20
Free shipping
$93.99
Sea Foam 1 Gallon Motor Treatment Fuel Additive Engine Cleaner
eBay
20
$65.00
$129.99
100 Ml Diesel Fuel Additive Cleaner | Engine Performance Booster & Catalytic Converter Cleaning Solution - 100Ml | Uplift Curations
Inspire Uplift
Free shipping
49% off
$65.00
$129.99
100 Ml Diesel Fuel Additive Cleaner | Engine Performance Booster & Catalytic Converter Cleaning Solution - 100Ml | Uplift Curations
Inspire Uplift
Free shipping
$35.99
CRC Salt Terminator Engine Flush, Cleaner & Corrosion Inhibitor - 32 Fl. Oz., Includes Mixer Unit, Model crcsx32m
Northern Tool
1K+
$35.99
CRC Salt Terminator Engine Flush, Cleaner & Corrosion Inhibitor - 32 Fl. Oz., Includes Mixer Unit, Model crcsx32m
Northern Tool
1K+
$35.39
Bg 44K Fuel System Cleaner Restores Engine Performance Cleans
eBay
Free shipping
$35.39
Bg 44K Fuel System Cleaner Restores Engine Performance Cleans
eBay
Free shipping
$510.99
Purple Power Industrial Strength Cleaner / Degreaser Concentrate 55-Gallon | Purple Power Cleaner/Degreaser-55 Gallon | 4340P
FleetPride
$510.99
Purple Power Industrial Strength Cleaner / Degreaser Concentrate 55-Gallon | Purple Power Cleaner/Degreaser-55 Gallon | 4340P
FleetPride
$65.00
100 Ml Diesel Fuel Additive Cleaner | Engine Performance Booster & Catalytic Converter Cleaning Solution 100Ml
Inspire Uplift
$65.00
100 Ml Diesel Fuel Additive Cleaner | Engine Performance Booster & Catalytic Converter Cleaning Solution 100Ml
Inspire Uplift
$33.59
64 Oz. Fuel System Cleaner - Hot Shot's Secret Diesel Extreme Fuel System Additive | Hot Shot's Secret P040464Z
Summit Racing
2
$33.59
64 Oz. Fuel System Cleaner - Hot Shot's Secret Diesel Extreme Fuel System Additive | Hot Shot's Secret P040464Z
Summit Racing
2
$20.15
Hot Shots Secret Diesel Extreme- Fuel System Cleaner 32Oz
Mark DeCola Diesel Performance LLC
$20.15
Hot Shots Secret Diesel Extreme- Fuel System Cleaner 32Oz
Mark DeCola Diesel Performance LLC
$8.13
Gunk 17 Oz Aerosol Can Automotive Engine Cleaner/Degreaser Nonflammable Feb1/12 - 79905766
Penn Tool Co
$8.13
Gunk 17 Oz Aerosol Can Automotive Engine Cleaner/Degreaser Nonflammable Feb1/12 - 79905766
Penn Tool Co
I Tried Engine Flush Additives Before an Oil Change — One Clear Winner
15:56
I Tried Engine Flush Additives Before an Oil Change — One Clea…
11.7K views3 months ago
YouTubeAuto Care Pro
13 Engine Additives That Work (And 5 That’ll Kill Your Car)
19:54
13 Engine Additives That Work (And 5 That’ll Kill Your Car)
907.6K views8 months ago
YouTubeCar Care Clues
Top 5 Best Engine Degreasers for 2025 | Get Your Engine Sparkling Clean!
12:10
Top 5 Best Engine Degreasers for 2025 | Get Your Engine Sparkling …
6.4K viewsFeb 19, 2025
YouTubeAutomotiver Point
10 Best Engine Additives! That Actually Work-[Mechanics Don’t Want You to Know]
4:37
10 Best Engine Additives! That Actually Work-[Mechanics Don’t …
794 views6 months ago
YouTubeConsumer Side
17 Proven Additives to Make Your Engine Last Longer and Run Better
16:17
17 Proven Additives to Make Your Engine Last Longer and Run Better
202 views4 months ago
YouTubeCar Vitalize
10 Engine ADDITIVES That Work (And 5 That’ll Kill Your Car!)
11:43
10 Engine ADDITIVES That Work (And 5 That’ll Kill Your Car!)
729 views7 months ago
YouTubeMechanic Hacks
The New Additive Mechanics Don’t Want You to Know (This Will Save You Thousands in Car Repairs)
16:26
The New Additive Mechanics Don’t Want You to Know (This Will Save …
109K views5 months ago
YouTubeScotty Kilmer
4:27
Carbon Build up REMOVAL - The real Redline SI-1 Review
34.8K views8 months ago
YouTubeDIYAutoworksNG
13:11
Top 10 Diesel Additives That Actually Work |And 5 That Don’t!
1.4K views3 months ago
YouTubevelovista
5:17
Best Engine Oil Treatments | Top 5 Engine Oil Additives Reviewed | A…
227 views5 months ago
YouTubeAautomotives
21:27
13 Additives Mechanics Don't Want You to Use
16.5K views6 months ago
YouTubeCar Care Clues
23:15
13 Fuel Additives Mechanics Don’t Want You to Know
597.9K views8 months ago
YouTubeCar Care Clues
19:25
3 Additives That Will Make Your Car Last Twice as Long
152.8K viewsMar 2, 2025
YouTubeScotty Kilmer
6:30
TOP 5 Best Fuel Injector Cleaners 2025
85.8K viewsMar 9, 2025
YouTubeProduct Guide
8:32
✅ 7 Best Fuel Injector Cleaners [2026] 🚗 Don't Buy One Before Watc…
15.9K views3 months ago
YouTubeRank On Top
11:12
Top Engine Additives That Kills Your Motorcycle Engine
9.8K views8 months ago
YouTubeThe Motorcycle Brain
10:35
10 Fuel Additives That Are GOOD for Your Engine (Mechanics Don’t …
39K views7 months ago
YouTubeCar Care Pro
15:29
13 Fuel Injector Cleaners That Work (And 5 That’ll Kill Your Car)
5.1K views3 months ago
YouTubeGarage IQ
6:11
Top 5 Best Fuel Injector Cleaners | Amazon Picks for Better Engine P…
1.3K views5 months ago
YouTubeTrusted Top 5 Picks
15:37
13 Fuel Additives That Work (And 5 That’ll Kill Your Car)
85 views3 months ago
YouTubeGarage IQ
14:31
The 7 Fuel Injector Cleaners Mechanics Avoid — and 3 That Ac…
5.6K views5 months ago
YouTubeSUV Test Lab
22:18
NEVER Use These 8 Fuel Injector Cleaners (& 5 That WORK!)
375.5K views7 months ago
YouTubeCar Care Clues
22:30
NEVER Use These 9 Fuel Injector Cleaners (& 5 That WORK!)
1.8M views5 months ago
YouTubeTorque Tactics
8:40
5 Best Fuel Injector Cleaners 2026 | Mechanics DON’T Want You to Kn…
24.2K views8 months ago
YouTubeSmart Picked
13:45
LIQUI MOLY Additives Explained - (Engine Flush, Injection Cleaner, …
1.1M viewsNov 26, 2019
YouTubeFCP Euro
3:27
Cleaning CARBON Build up with 2x Redline Complete Fuel System Cle…
19.8K views7 months ago
YouTubeDIYAutoworksNG
8:10
10 Diesel Fuel Additives That Prevents Problems Before They St…
11.8K views6 months ago
YouTubeCar Expertly
25:24
Stop Wasting Money! 13 Fuel Additives That Actually Work
2.9K views6 months ago
YouTubeCars Guide DIY
15:14
These 10 Engine Additives Will Make Your Car Last Twice as Long
1.6K views8 months ago
YouTubeAuto Educate
13:13
12 Engine Additives That Work (And 4 That'll KILL Your Car)
1.2K views8 months ago
YouTubeCar Life
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Shop best engine cleaner additive

Sponsored
About our ads
$92.99
STA-BIL Fast Fix - Small Engine Treatment, Cleans Carburetors & Injectors, Fixes Rough Running Engines, Eliminates Water, Carb Cleaner & Fuel Injector
Amazon.com
4K+
Free shipping
$92.99
STA-BIL Fast Fix - Small Engine Treatment, Cleans Carburetors & Injectors, Fixes Rough Running Engines, Eliminates Water, Carb Cleaner & Fuel Injector
Amazon.com
4K+
$24.99
Marvel Mystery Oil 53436 Motor Treatment, Engine Oil & Fuel Treatment Additive, Cleans And Lubricates Fuel System, Prevents Leaks, Improves Engine
Amazon.com
28
$24.99
Marvel Mystery Oil 53436 Motor Treatment, Engine Oil & Fuel Treatment Additive, Cleans And Lubricates Fuel System, Prevents Leaks, Improves Engine
Amazon.com
28
$741.89
Castrol Techniclean Sc 320 (Formally Detergen System Cleaner 320) Oil System Cleaning Additive 35 Lb Pail
Santie Wholesale Oil Company
$741.89
Castrol Techniclean Sc 320 (Formally Detergen System Cleaner 320) Oil System Cleaning Additive 35 Lb Pail
Santie Wholesale Oil Company
$38.95
Motorkote MK-HL32-06 Heavy Duty Hyper Lubricant Engine Treatment, 32-Ounce, Single, Black
Amazon.com
2K+
Free shipping
$38.95
Motorkote MK-HL32-06 Heavy Duty Hyper Lubricant Engine Treatment, 32-Ounce, Single, Black
Amazon.com
2K+
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
3K+
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
3K+
$25.79
Power Service Diesel Fuel Supplement Antigel +Cetane Boost 64 Oz. | Diesel Fuel Supplement 64 Oz | 1064-06
FleetPride
119
$25.79
Power Service Diesel Fuel Supplement Antigel +Cetane Boost 64 Oz. | Diesel Fuel Supplement 64 Oz | 1064-06
FleetPride
119
$13.99
Sea Foam High Mileage Motor Treatment Fuel And Oil Additive, For Gas Engines Over 75,000 Miles, 16 Oz, HM16
Advance Auto Parts
50
$13.99
Sea Foam High Mileage Motor Treatment Fuel And Oil Additive, For Gas Engines Over 75,000 Miles, 16 Oz, HM16
Advance Auto Parts
50
$6.99
Diesel Injector Cleaner + Cetane Boost Fuel Additive In 8 Oz. Bottle By AMSOIL | Improved Lubricity | ADSPCN-EA
AMSOIL
17
$6.99
Diesel Injector Cleaner + Cetane Boost Fuel Additive In 8 Oz. Bottle By AMSOIL | Improved Lubricity | ADSPCN-EA
AMSOIL
17
$47.79
Diesel 4-IN-1 Fuel Additive In 64 Oz. Bottle By AMSOIL | Improved Lubricity | ADBHG-EA | Fuel Additive, Cleaner/Lubricant/Cetane Boost
AMSOIL
48
$47.79
Diesel 4-IN-1 Fuel Additive In 64 Oz. Bottle By AMSOIL | Improved Lubricity | ADBHG-EA | Fuel Additive, Cleaner/Lubricant/Cetane Boost
AMSOIL
48
$79.99
Hot Shot's Secret DIESEL EXTREME Injector Cleaner & Cetane Boost - 1 GALLON
D&J Precision Machine
5K+
$79.99
Hot Shot's Secret DIESEL EXTREME Injector Cleaner & Cetane Boost - 1 GALLON
D&J Precision Machine
5K+
$29.95
WASH&WHIPS Green Hell Engine Cleaner & Degreaser 1 Gallon
Redline360.com
$29.95
WASH&WHIPS Green Hell Engine Cleaner & Degreaser 1 Gallon
Redline360.com
$15.43
Gunk Engine Cleaner And Degreaser,15.00 Oz.: Aerosol Spray Can, Solvent, 15 Oz Container Size, Flammable Model: CEB1
Grainger
1K+
$15.43
Gunk Engine Cleaner And Degreaser,15.00 Oz.: Aerosol Spray Can, Solvent, 15 Oz Container Size, Flammable Model: CEB1
Grainger
1K+
$14.95
WASH&WHIPS Green Hell Engine Cleaner & Degreaser 16 Oz
Redline360.com
$14.95
WASH&WHIPS Green Hell Engine Cleaner & Degreaser 16 Oz
Redline360.com
$546.44
Seafoam Fuel System Cleaner: Motor Treatment, Fuel System Cleaner, 1 Gal Container Size Model: SF000128
Grainger
104
$546.44
Seafoam Fuel System Cleaner: Motor Treatment, Fuel System Cleaner, 1 Gal Container Size Model: SF000128
Grainger
104
$19.99
Seafoam Motor Treatment: Motor Treatment, Fuel Injector, 16 Fl Oz Container Size Model: SF16
Grainger
5K+
$19.99
Seafoam Motor Treatment: Motor Treatment, Fuel Injector, 16 Fl Oz Container Size Model: SF16
Grainger
5K+
$73.79
True Brand Engine Clean
Santie Wholesale Oil Company
$73.79
True Brand Engine Clean
Santie Wholesale Oil Company
$6.69
Diesel Injector Cleaner Fuel Additive In 8 Oz. Bottle By AMSOIL | ADFPCN-EA | Restores Power And Torque, Reduces Smoke And Emissions
AMSOIL
48
$6.69
Diesel Injector Cleaner Fuel Additive In 8 Oz. Bottle By AMSOIL | ADFPCN-EA | Restores Power And Torque, Reduces Smoke And Emissions
AMSOIL
48
$15.99
Red Line Redline S-1 Fuel Treatment: Complete Fuel System Cleaner, Gas & Injector Additive Treatment, 15 Oz, 60103
Advance Auto Parts
7K+
$15.99
Red Line Redline S-1 Fuel Treatment: Complete Fuel System Cleaner, Gas & Injector Additive Treatment, 15 Oz, 60103
Advance Auto Parts
7K+