Shop Best Oil Additive to Clean Engine Sludge

Sponsored
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$107.99
Slick 50 Ceramic Engine Treatment With Cerflon® PTFE Classic Original | 32 Oz., 6-Pack
Amazon.com
508
Free shipping
$107.99
Slick 50 Ceramic Engine Treatment With Cerflon® PTFE Classic Original | 32 Oz., 6-Pack
Amazon.com
508
$47.60
Hot Shot's Secret Friction Reducer FR3 64Oz. Synthetic Oil Additive Protects Engine & Improves Performance, Friction Modifier For Gas & Deisel
Amazon.com
1K+
Free shipping
$47.60
Hot Shot's Secret Friction Reducer FR3 64Oz. Synthetic Oil Additive Protects Engine & Improves Performance, Friction Modifier For Gas & Deisel
Amazon.com
1K+
$65.95
REV X Stiction Fix Oil Treatment - Two 4 Fl. Oz. Bottles
Amazon.com
1K+
Free shipping
$65.95
REV X Stiction Fix Oil Treatment - Two 4 Fl. Oz. Bottles
Amazon.com
1K+
$31.99
LIQUI MOLY Cera Tec Friction Motor Oil Additive, 300 Ml, 20002
Advance Auto Parts
30
$31.99
LIQUI MOLY Cera Tec Friction Motor Oil Additive, 300 Ml, 20002
Advance Auto Parts
30
$9.99
LIQUI MOLY Mos2 Anti-Friction Engine Treatment, 2009
Advance Auto Parts
5K+
$9.99
LIQUI MOLY Mos2 Anti-Friction Engine Treatment, 2009
Advance Auto Parts
5K+
$53.95
Comstar 1 Gal. Sludge Solve Heavy Duty Oil Sludge Eliminator, Good For All Fuel Oils, 60-245
Global Industrial
$53.95
Comstar 1 Gal. Sludge Solve Heavy Duty Oil Sludge Eliminator, Good For All Fuel Oils, 60-245
Global Industrial
$19.99
LIQUI MOLY Pro-Line Engine Flush, 500 Ml, 2037
Advance Auto Parts
8K+
$19.99
LIQUI MOLY Pro-Line Engine Flush, 500 Ml, 2037
Advance Auto Parts
8K+
$6.89
Marvel Mystery Oil 16Oz Oil Enhancer & Fuel Treatment - MM12R
Acme Tools
2K+
$6.89
Marvel Mystery Oil 16Oz Oil Enhancer & Fuel Treatment - MM12R
Acme Tools
2K+
$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
$36.95
Rev-X Oil Additive 4 Oz Bottle
Diesel Auto Power - July 7th 2025
$36.95
Rev-X Oil Additive 4 Oz Bottle
Diesel Auto Power - July 7th 2025
$26.32
Utility 20-1510 Sludge Kleen Sludge Solvent And Fuel Oil (1 Qt.) | Supplyhouse.Com
SupplyHouse.com
1
$26.32
Utility 20-1510 Sludge Kleen Sludge Solvent And Fuel Oil (1 Qt.) | Supplyhouse.Com
SupplyHouse.com
1
$12.99
Hercules 32 Oz. Sludge Treat Fuel Oil Treatment
Family Hardware
181
$12.99
Hercules 32 Oz. Sludge Treat Fuel Oil Treatment
Family Hardware
181
$16.75
AVBLEND Engine Oil Additive 12 Oz
AircraftSpruce.com
26
$16.75
AVBLEND Engine Oil Additive 12 Oz
AircraftSpruce.com
26
$77.50
Kroil Kreen
Santie Wholesale Oil Company
12
$77.50
Kroil Kreen
Santie Wholesale Oil Company
12
$12.99
Lucas Oil Complete Engine Treatment 16Oz
Tackle Warehouse Bing Product Feeds
47
$12.99
Lucas Oil Complete Engine Treatment 16Oz
Tackle Warehouse Bing Product Feeds
47
$34.95
Hot Shots Secrets Oil Stiction Eliminator - Cleaner
Mark DeCola Diesel Performance LLC
$34.95
Hot Shots Secrets Oil Stiction Eliminator - Cleaner
Mark DeCola Diesel Performance LLC
$11.99
Engine Cleaner
Griot's Garage
3
$11.99
Engine Cleaner
Griot's Garage
3
$21.99
Liqui-Moly Oil Change Additive Package - Proline Engine Flush And Mos2 Anti Friction Oil Treatment: This Two-Step Kit Features A Flushing Additive ...
Turner Motorsport
$21.99
Liqui-Moly Oil Change Additive Package - Proline Engine Flush And Mos2 Anti Friction Oil Treatment: This Two-Step Kit Features A Flushing Additive ...
Turner Motorsport
$238.95
Moly EP Oil Treatment (Schaeffer's 132) With Micron Moly And Penetro , 24 Pints
Lawn Crack
$238.95
Moly EP Oil Treatment (Schaeffer's 132) With Micron Moly And Penetro , 24 Pints
Lawn Crack
$20.95
COMP Cams 159: COMP Cams Engine Break-In Oil Additive
Summit Racing
250
$20.95
COMP Cams 159: COMP Cams Engine Break-In Oil Additive
Summit Racing
250
$29.82
Liqui Moly Mos2 Anti-Friction Engine Treatment | 300 Ml | Oil Additive
eBay
46
Free shipping
$29.82
Liqui Moly Mos2 Anti-Friction Engine Treatment | 300 Ml | Oil Additive
eBay
46
$3.50
$4.46
Liqui Moly Additive Engine Oil 80Ml | 20196 | Partzilla
Partzilla
2
21% off
$3.50
$4.46
Liqui Moly Additive Engine Oil 80Ml | 20196 | Partzilla
Partzilla
2
$5.32
$6.77
Liqui Moly Additive Oil Mos2 20Ml | 20296 | Partzilla
Partzilla
3
21% off
$5.32
$6.77
Liqui Moly Additive Oil Mos2 20Ml | 20296 | Partzilla
Partzilla
3
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
iieemm.com
4K+
Free shipping
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
iieemm.com
4K+
$35.99
Hot Shots Secret FR3 Oil Additive
Mark DeCola Diesel Performance LLC
$35.99
Hot Shots Secret FR3 Oil Additive
Mark DeCola Diesel Performance LLC
$67.34
Schaeffer Manufacturing Company 0132-006-1: Schaeffer's Moly EP Oil Treatment
Summit Racing
$67.34
Schaeffer Manufacturing Company 0132-006-1: Schaeffer's Moly EP Oil Treatment
Summit Racing
$12.99
Liqui-Moly Pro-Line Engine Flush - 500Ml : Looking To Rid Your Engine Of Built Up Gunk And Sludge Liqui-Moly's Pro-Line Engine Flush Is Perfect ...
Turner Motorsport
$12.99
Liqui-Moly Pro-Line Engine Flush - 500Ml : Looking To Rid Your Engine Of Built Up Gunk And Sludge Liqui-Moly's Pro-Line Engine Flush Is Perfect ...
Turner Motorsport
$15.08
Motul Engine Clean Oil Treatment
Cycle Gear
1
$15.08
Motul Engine Clean Oil Treatment
Cycle Gear
1
$42.99
Liqui-Moly Proline Engine Flush And Cera Tec Oil Treatment - Oil Change Additive Package: Not To Be Used With Liqui Moly Molygen Engine Oil - ...
Turner Motorsport
$42.99
Liqui-Moly Proline Engine Flush And Cera Tec Oil Treatment - Oil Change Additive Package: Not To Be Used With Liqui Moly Molygen Engine Oil - ...
Turner Motorsport
$6.99
Lucas Oil Fuel Treatment | 5.25 Oz. | 10020
Chaparral Motorsports
13K+
$6.99
Lucas Oil Fuel Treatment | 5.25 Oz. | 10020
Chaparral Motorsports
13K+
$11.99
Zddplus ENGINE OIL ADDITIVE (4 OZ.)
Volunteer Vette
$11.99
Zddplus ENGINE OIL ADDITIVE (4 OZ.)
Volunteer Vette
$24.95
Justice Brothers Oil Treatment
Norcal Diesel Performance
$24.95
Justice Brothers Oil Treatment
Norcal Diesel Performance
$17.39
Lucas Oil Engine Break-In Oil Additive | 16 Oz. | 10063
Chaparral Motorsports
977
$17.39
Lucas Oil Engine Break-In Oil Additive | 16 Oz. | 10063
Chaparral Motorsports
977
$29.99
Liqui Moly Mos2 Anti-Friction Engine Treatment | 300 Ml | Oil Additive
eBay
45
Free shipping
$29.99
Liqui Moly Mos2 Anti-Friction Engine Treatment | 300 Ml | Oil Additive
eBay
45
$16.85
Camguard Auto Oil Additive 8Oz
AircraftSpruce.com
$16.85
Camguard Auto Oil Additive 8Oz
AircraftSpruce.com
$4.10
Motormedic 14 Oz. Engine Treatment/Additive
iieemm.com
Free shipping
$4.10
Motormedic 14 Oz. Engine Treatment/Additive
iieemm.com
Free shipping
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Shop Best Oil Additive to Clean Engine Sludge

Sponsored
About our ads
$107.99
Slick 50 Ceramic Engine Treatment With Cerflon® PTFE Classic Original | 32 Oz., 6-Pack
Amazon.com
508
Free shipping
$107.99
Slick 50 Ceramic Engine Treatment With Cerflon® PTFE Classic Original | 32 Oz., 6-Pack
Amazon.com
508
$47.60
Hot Shot's Secret Friction Reducer FR3 64Oz. Synthetic Oil Additive Protects Engine & Improves Performance, Friction Modifier For Gas & Deisel
Amazon.com
1K+
Free shipping
$47.60
Hot Shot's Secret Friction Reducer FR3 64Oz. Synthetic Oil Additive Protects Engine & Improves Performance, Friction Modifier For Gas & Deisel
Amazon.com
1K+
$65.95
REV X Stiction Fix Oil Treatment - Two 4 Fl. Oz. Bottles
Amazon.com
1K+
Free shipping
$65.95
REV X Stiction Fix Oil Treatment - Two 4 Fl. Oz. Bottles
Amazon.com
1K+
$31.99
LIQUI MOLY Cera Tec Friction Motor Oil Additive, 300 Ml, 20002
Advance Auto Parts
30
$31.99
LIQUI MOLY Cera Tec Friction Motor Oil Additive, 300 Ml, 20002
Advance Auto Parts
30
$9.99
LIQUI MOLY Mos2 Anti-Friction Engine Treatment, 2009
Advance Auto Parts
5K+
$9.99
LIQUI MOLY Mos2 Anti-Friction Engine Treatment, 2009
Advance Auto Parts
5K+
$53.95
Comstar 1 Gal. Sludge Solve Heavy Duty Oil Sludge Eliminator, Good For All Fuel Oils, 60-245
Global Industrial
$53.95
Comstar 1 Gal. Sludge Solve Heavy Duty Oil Sludge Eliminator, Good For All Fuel Oils, 60-245
Global Industrial
$19.99
LIQUI MOLY Pro-Line Engine Flush, 500 Ml, 2037
Advance Auto Parts
8K+
$19.99
LIQUI MOLY Pro-Line Engine Flush, 500 Ml, 2037
Advance Auto Parts
8K+
$6.89
Marvel Mystery Oil 16Oz Oil Enhancer & Fuel Treatment - MM12R
Acme Tools
2K+
$6.89
Marvel Mystery Oil 16Oz Oil Enhancer & Fuel Treatment - MM12R
Acme Tools
2K+
$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
$36.95
Rev-X Oil Additive 4 Oz Bottle
Diesel Auto Power - July 7th 2025
$36.95
Rev-X Oil Additive 4 Oz Bottle
Diesel Auto Power - July 7th 2025
$26.32
Utility 20-1510 Sludge Kleen Sludge Solvent And Fuel Oil (1 Qt.) | Supplyhouse.Com
SupplyHouse.com
1
$26.32
Utility 20-1510 Sludge Kleen Sludge Solvent And Fuel Oil (1 Qt.) | Supplyhouse.Com
SupplyHouse.com
1
$12.99
Hercules 32 Oz. Sludge Treat Fuel Oil Treatment
Family Hardware
181
$12.99
Hercules 32 Oz. Sludge Treat Fuel Oil Treatment
Family Hardware
181
$16.75
AVBLEND Engine Oil Additive 12 Oz
AircraftSpruce.com
26
$16.75
AVBLEND Engine Oil Additive 12 Oz
AircraftSpruce.com
26
$77.50
Kroil Kreen
Santie Wholesale Oil Company
12
$77.50
Kroil Kreen
Santie Wholesale Oil Company
12
$12.99
Lucas Oil Complete Engine Treatment 16Oz
Tackle Warehouse Bing Product Feeds
47
$12.99
Lucas Oil Complete Engine Treatment 16Oz
Tackle Warehouse Bing Product Feeds
47
$34.95
Hot Shots Secrets Oil Stiction Eliminator - Cleaner
Mark DeCola Diesel Performance LLC
$34.95
Hot Shots Secrets Oil Stiction Eliminator - Cleaner
Mark DeCola Diesel Performance LLC
$11.99
Engine Cleaner
Griot's Garage
3
$11.99
Engine Cleaner
Griot's Garage
3
$21.99
Liqui-Moly Oil Change Additive Package - Proline Engine Flush And Mos2 Anti Friction Oil Treatment: This Two-Step Kit Features A Flushing Additive ...
Turner Motorsport
$21.99
Liqui-Moly Oil Change Additive Package - Proline Engine Flush And Mos2 Anti Friction Oil Treatment: This Two-Step Kit Features A Flushing Additive ...
Turner Motorsport