Shop engine cleaning additive

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$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
$59.99
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
D&J Precision Machine
$59.99
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
D&J Precision Machine
$21.99
LIQUI MOLY Pro-Line Engine Flush, 500 Ml, Dissolves Sludge, Lacquer, And Contaminants, 2037
Advance Auto Parts
168
$21.99
LIQUI MOLY Pro-Line Engine Flush, 500 Ml, Dissolves Sludge, Lacquer, And Contaminants, 2037
Advance Auto Parts
$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
842
$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
$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
$22.79
Motor Treatment And Sea Foam Spray Combo Pack Fuel Additive And Intake Cleaner Spray, SF-SS
Advance Auto Parts
$22.79
Motor Treatment And Sea Foam Spray Combo Pack Fuel Additive And Intake Cleaner Spray, SF-SS
Advance Auto Parts
$13.71
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
631
$13.71
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
$109.62
Marvel Mystery Oil Original Motor Treatment, Engine Oil & Fuel Treatment Additive, Cleans And Lubricates Fuel System, Prevents Leaks, Improves Engine
Amazon.com
93
Free shipping
$109.62
Marvel Mystery Oil Original Motor Treatment, Engine Oil & Fuel Treatment Additive, Cleans And Lubricates Fuel System, Prevents Leaks, Improves Engine
Amazon.com
$50.00
Liquimoly 3721 Engine Oil Additive
Amazon.com
836
Free shipping
$50.00
Liquimoly 3721 Engine Oil Additive
Amazon.com
$10.56
$12.99
Liqui Moly Engine Oil Additive - 250Ml | 20050 | Partzilla
Partzilla
2
18% off
$10.56
$12.99
Liqui Moly Engine Oil Additive - 250Ml | 20050 | Partzilla
Partzilla
$4.60
$5.69
Liqui Moly Engine Oil Additive - 80Ml | 20196 | Partzilla
Partzilla
2
19% off
$4.60
$5.69
Liqui Moly Engine Oil Additive - 80Ml | 20196 | Partzilla
Partzilla
$8.50
Lucas Oil 1 Qt. Engine Treatment/Additive
May Custom Jersey
$8.50
Lucas Oil 1 Qt. Engine Treatment/Additive
May Custom Jersey
$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
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
Mc Mu
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
Mc Mu
$14.14
Lucas Oil 16 Oz Deep Clean Fuel System Cleaner
USA Fleet Supply
989
$14.14
Lucas Oil 16 Oz Deep Clean Fuel System Cleaner
USA Fleet Supply
$17.98
HOGWORKZ 13 Oz. Swine Saver Engine Brightener / Surface Restorer
Hogworkz
$17.98
HOGWORKZ 13 Oz. Swine Saver Engine Brightener / Surface Restorer
Hogworkz
$19.62
Sea Foam Motor Treatment - Universal Automotive Engine Cleaner - 16 Oz
Walmart
Free shipping
$19.62
Sea Foam Motor Treatment - Universal Automotive Engine Cleaner - 16 Oz
Walmart
$9.98
Sea Foam 16-Oz 2-Cycle Or 4-Cycle Engines Fuel Additive One_Size | SF16
Lowe's
1K+
$9.98
Sea Foam 16-Oz 2-Cycle Or 4-Cycle Engines Fuel Additive One_Size | SF16
Lowe's
$29.49
Mercury - Quickleen Engine And Fuel System Cleaner | Fuel Care System
Parts Vu
34
$29.49
Mercury - Quickleen Engine And Fuel System Cleaner | Fuel Care System
Parts Vu
$65.00
100 Ml Diesel Fuel Additive Cleaner | Engine Performance Booster & Catalytic Converter Cleaning Solution
Inspire Uplift
Free shipping
$65.00
100 Ml Diesel Fuel Additive Cleaner | Engine Performance Booster & Catalytic Converter Cleaning Solution
Inspire Uplift
$8.98
Mechanic In A Bottle 8-Oz 2-Cycle Or 4-Cycle Engines Fuel Additive Rubber One_Size | 2-008
Lowe's
148
$8.98
Mechanic In A Bottle 8-Oz 2-Cycle Or 4-Cycle Engines Fuel Additive Rubber One_Size | 2-008
Lowe's
$21.95
Motor Tune-Up Treatment Engine Additive - 16 Oz, Petroleum Formula, Gas & Diesel Engines, Fuel Stabilizer & Cleaner, Sea Foam
Boat Outfitters
5K+
$21.95
Motor Tune-Up Treatment Engine Additive - 16 Oz, Petroleum Formula, Gas & Diesel Engines, Fuel Stabilizer & Cleaner, Sea Foam
Boat Outfitters
$21.20
Liqui Moly Pro-Line Engine Flush | 500 Ml | Oil Additive | Sku: 2037
Walmart
10
$21.20
Liqui Moly Pro-Line Engine Flush | 500 Ml | Oil Additive | Sku: 2037
Walmart
$11.78
$12.29
G001770A2 - Audi A4 Quattro B9 2.0T - Genuine Volkswagen Audi Fuel Additive: 90ML Gasoline Additive Used To Clean Your VW Or Audi's Fuel System
ECS Tuning
$11.78
$12.29
G001770A2 - Audi A4 Quattro B9 2.0T - Genuine Volkswagen Audi Fuel Additive: 90ML Gasoline Additive Used To Clean Your VW Or Audi's Fuel System
ECS Tuning
$12.08
Sea Foam 16-Oz 2-Cycle Or 4-Cycle Engines Fuel Additive One_Size | HM16
Lowe's
180
$12.08
Sea Foam 16-Oz 2-Cycle Or 4-Cycle Engines Fuel Additive One_Size | HM16
Lowe's
$102.48
Mos2 Anti-Friction Engine Treatment (Case Of 12) - Liqui Moly Lm2009kt
GenRacer
$102.48
Mos2 Anti-Friction Engine Treatment (Case Of 12) - Liqui Moly Lm2009kt
GenRacer
$6.19
Liqui Moly Speed Tec Gasoline Additive (250Ml) - Lm20234
GenRacer
$6.19
Liqui Moly Speed Tec Gasoline Additive (250Ml) - Lm20234
GenRacer
$15.81
$18.97
20250 - Liqui-Moly Truck Series Complete Fuel System Cleaner - 500Ml / 16.9Oz: Eliminates Start Problems And Rough Engine Running - Treats Up To 30
ECS Tuning
16% off
$15.81
$18.97
20250 - Liqui-Moly Truck Series Complete Fuel System Cleaner - 500Ml / 16.9Oz: Eliminates Start Problems And Rough Engine Running - Treats Up To 30
ECS Tuning
$16.99
Mercury - Quickleen Engine And Fuel System Cleaner | Fuel Care System
Parts Vu
677
$16.99
Mercury - Quickleen Engine And Fuel System Cleaner | Fuel Care System
Parts Vu
$29.28
Wynn's Extreme Diesel System Cleaner Deep Cleaning Engine Treatment Restores Fuel Economy & Reduces Emissions Prev
Everymarket INC
$29.28
Wynn's Extreme Diesel System Cleaner Deep Cleaning Engine Treatment Restores Fuel Economy & Reduces Emissions Prev
Everymarket INC
$33.98
Mercury Quickleen Engine And Fuel System Cleaner 12Oz. - 92-8M0047931
Parts Vu
$33.98
Mercury Quickleen Engine And Fuel System Cleaner 12Oz. - 92-8M0047931
Parts Vu
$11.69
$14.49
Liqui Moly 4T Fuel Additive - 125 Ml | 20048 | Partzilla
Partzilla
1
19% off
$11.69
$14.49
Liqui Moly 4T Fuel Additive - 125 Ml | 20048 | Partzilla
Partzilla
$44.99
Car Engine Bay Cleaner And Restorer For Powerful Decontamination And Shine 300Ml
Inspire Uplift
$44.99
Car Engine Bay Cleaner And Restorer For Powerful Decontamination And Shine 300Ml
Inspire Uplift
$14.99
Quicksilver Z Quickleen Engine &Fuel System Cleaner
Cabela's
2
$14.99
Quicksilver Z Quickleen Engine &Fuel System Cleaner
Cabela's
$10.64
$12.79
Sea Foam 16 Oz. Engine Treatment/Additive SEASF16
SIM Supply
5K+
16% off
$10.64
$12.79
Sea Foam 16 Oz. Engine Treatment/Additive SEASF16
SIM Supply
$22.10
Sea Foam, Engine Treatment Additive, 16 Oz, Cleans And Lubricates Engine, Removes Deposits
Voomi Supply
5K+
$22.10
Sea Foam, Engine Treatment Additive, 16 Oz, Cleans And Lubricates Engine, Removes Deposits
Voomi Supply
Top 10 Engine Additives That Actually Work (and 5 That Don’t)
9:29
Top 10 Engine Additives That Actually Work (and 5 That Don’t)
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YouTubeCar 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)
911.6K views10 months ago
YouTubeCar Care Clues
I Tried Engine Flush Additives Before an Oil Change — One Clear Winner
15:56
I Tried Engine Flush Additives Before an Oil Change — One Clear Winner
16.5K views4 months ago
YouTubeAuto Care Pro
LIQUI MOLY Additives Explained - (Engine Flush, Injection Cleaner, Cera Tec, Valve Clean, and More!)
13:45
Find in video from 11:05Radiator Cleaner
LIQUI MOLY Additives Explained - (Engine Flush, Injection Cleaner, …
1.1M viewsNov 26, 2019
YouTubeFCP Euro
These 10 Engine Additives Will Make Your Car Last Twice as Long
15:14
These 10 Engine Additives Will Make Your Car Last Twice as Long
1.6K views9 months ago
YouTubeAuto Educate
11 Engine Additives That Actually Work And 5 That Can Kill Your Engine
9:12
11 Engine Additives That Actually Work And 5 That Can Kill Your Engine
837 views5 months ago
YouTubeMyCarKnowledge
I Tried Engine Flush Additives Before an Oil Change — One Clear Winner
16:26
I Tried Engine Flush Additives Before an Oil Change — One Clear Winner
869 views4 months ago
YouTubeCAR CARE HUB
12:33
The Additive Mechanics Don’t Want You to Know (This Will Save You Thousands in Car Repairs)
101K views1 month ago
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The New Additive Mechanics Don’t Want You to Know (This Will Save You Thousands in Car Repairs)
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1:39
LIQUI MOLY Diesel Engine System Cleaner (21491) EN
426.2K viewsMay 27, 2021
YouTubeLIQUI MOLY
10:35
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39.3K views8 months ago
YouTubeCar Care Pro
3:27
Cleaning CARBON Build up with 2x Redline Complete Fuel System Cleaner / Best fuel additive?
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28:05
15 Engine Additives That Work (& 9 That’ll Kill Your Car)
13.9K views5 months ago
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18:33
11 Proven Oil Additives That Work vs. 5 Silent Engine Killers
5.4K views3 months ago
YouTubePiston Post
12:58
15 Engine Additives That Work (& 9 That'll Kill Your Car)
266 views4 months ago
YouTubeGearhead Lab
15:47
One Bottle That Cleans the Entire Fuel System (Mechanic Tested)
216.1K views5 months ago
YouTubeAuto Care Pro
10:33
The Fuel Additive Mechanics Don’t Want You to Know (This Will Save You Thousands in Car Repairs)
636.4K viewsJan 20, 2025
YouTubeScotty Kilmer
12:12
7 Fuel Additives Mechanics Don’t Want You to Know
33.7K views9 months ago
YouTubeTorque Tactics
22:18
NEVER Use These 8 Fuel Injector Cleaners (& 5 That WORK!)
380.7K views8 months ago
YouTubeCar Care Clues
21:40
NEVER Use These 11 Engine Oil Additives (And 5 That WORK!)
309.5K views8 months ago
YouTubeCar Care Clues
22:30
NEVER Use These 9 Fuel Injector Cleaners (& 5 That WORK!)
1.9M views6 months ago
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15:29
13 Fuel Injector Cleaners That Work (And 5 That’ll Kill Your Car)
8.4K views4 months ago
YouTubeGarage IQ
27:33
Motor Oil & Fuel Additives: Just a WASTE of MONEY?
2.4M viewsMay 13, 2024
YouTubeThe Motor Oil Geek
9:43
The TRUTH About Valvoline's BOLD Engine Cleaning Claims
1M viewsNov 27, 2024
YouTubeThe Motor Oil Geek
3 Additives That Will Make Your Car Last Twice as Long
21:16
Find in video from 03:37Testing the Oil Cleaner
3 Additives That Will Make Your Car Last Twice as Long
4.5M viewsJul 31, 2022
YouTubeScotty Kilmer
13:17
EXPOSED: The TRUTH About Diesel Additives
909.1K viewsMar 22, 2025
YouTubeThe Motor Oil Geek
The Fuel Additive Mechanics Don’t Want You to Know
10:07
Find in video from 05:00Cleaning the Engine
The Fuel Additive Mechanics Don’t Want You to Know
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YouTubeScotty Kilmer
16:08
I'm About to Get Sued for Showing You This
1.1M viewsApr 21, 2025
YouTubeScotty Kilmer
9:11
Explore 3 Essential Additives for Engine Maintenance
9.2K views1 month ago
TikTokmr.p_thecarguy
11:55
5 Secrets Mechanics Don't Want You to Know About Engine Additives
6.2K views9 months ago
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See more

Shop engine cleaning additive

Sponsored
About our ads
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
$19.49
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive- 16 OZ
D&J Precision Machine
$59.99
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
D&J Precision Machine
$59.99
Hot Shot's Secret STICTION ELIMINATOR Engine Oil Additive - 64 OZ
D&J Precision Machine
$21.99
LIQUI MOLY Pro-Line Engine Flush, 500 Ml, Dissolves Sludge, Lacquer, And Contaminants, 2037
Advance Auto Parts
168
$21.99
LIQUI MOLY Pro-Line Engine Flush, 500 Ml, Dissolves Sludge, Lacquer, And Contaminants, 2037
Advance Auto Parts
$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
842
$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
$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
$22.79
Motor Treatment And Sea Foam Spray Combo Pack Fuel Additive And Intake Cleaner Spray, SF-SS
Advance Auto Parts
$22.79
Motor Treatment And Sea Foam Spray Combo Pack Fuel Additive And Intake Cleaner Spray, SF-SS
Advance Auto Parts
$13.71
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
631
$13.71
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
$109.62
Marvel Mystery Oil Original Motor Treatment, Engine Oil & Fuel Treatment Additive, Cleans And Lubricates Fuel System, Prevents Leaks, Improves Engine
Amazon.com
93
Free shipping
$109.62
Marvel Mystery Oil Original Motor Treatment, Engine Oil & Fuel Treatment Additive, Cleans And Lubricates Fuel System, Prevents Leaks, Improves Engine
Amazon.com
$50.00
Liquimoly 3721 Engine Oil Additive
Amazon.com
836
Free shipping
$50.00
Liquimoly 3721 Engine Oil Additive
Amazon.com
$10.56
$12.99
Liqui Moly Engine Oil Additive - 250Ml | 20050 | Partzilla
Partzilla
2
18% off
$10.56
$12.99
Liqui Moly Engine Oil Additive - 250Ml | 20050 | Partzilla
Partzilla
$4.60
$5.69
Liqui Moly Engine Oil Additive - 80Ml | 20196 | Partzilla
Partzilla
2
19% off
$4.60
$5.69
Liqui Moly Engine Oil Additive - 80Ml | 20196 | Partzilla
Partzilla
$8.50
Lucas Oil 1 Qt. Engine Treatment/Additive
May Custom Jersey
$8.50
Lucas Oil 1 Qt. Engine Treatment/Additive
May Custom Jersey
$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
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
Mc Mu
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
Mc Mu
$14.14
Lucas Oil 16 Oz Deep Clean Fuel System Cleaner
USA Fleet Supply
989
$14.14
Lucas Oil 16 Oz Deep Clean Fuel System Cleaner
USA Fleet Supply
$17.98
HOGWORKZ 13 Oz. Swine Saver Engine Brightener / Surface Restorer
Hogworkz
$17.98
HOGWORKZ 13 Oz. Swine Saver Engine Brightener / Surface Restorer
Hogworkz
$19.62
Sea Foam Motor Treatment - Universal Automotive Engine Cleaner - 16 Oz
Walmart
Free shipping
$19.62
Sea Foam Motor Treatment - Universal Automotive Engine Cleaner - 16 Oz
Walmart
$9.98
Sea Foam 16-Oz 2-Cycle Or 4-Cycle Engines Fuel Additive One_Size | SF16
Lowe's
1K+
$9.98
Sea Foam 16-Oz 2-Cycle Or 4-Cycle Engines Fuel Additive One_Size | SF16
Lowe's