Shop Engine Oil Treatment Additives

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$10.53
Lucas Oil 16Oz Complete Engine Treatment
USA Fleet Supply
$10.53
Lucas Oil 16Oz Complete Engine Treatment
USA Fleet Supply
$18.99
$21.99
Bar's Leaks OS-1 Oil Seal Engine Oil Burning And Leak Repair, 16.9 Oz.
Amazon.com
3K+
13% off
$18.99
$21.99
Bar's Leaks OS-1 Oil Seal Engine Oil Burning And Leak Repair, 16.9 Oz.
Amazon.com
3K+
$11.76
Rislone 4405 Hy-Per Lube Zinc ZDDP Supplement, 11 Oz. | Real ZDDP Zinc Additive
Amazon.com
1K+
$11.76
Rislone 4405 Hy-Per Lube Zinc ZDDP Supplement, 11 Oz. | Real ZDDP Zinc Additive
Amazon.com
1K+
$10.99
Seafoam Sea Foam Motor Treatment, Size 16 Oz | Overton's
Overton's
5K+
$10.99
Seafoam Sea Foam Motor Treatment, Size 16 Oz | Overton's
Overton's
5K+
$14.19
$16.66
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
610
14% off
$14.19
$16.66
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
610
$17.49
LIQUI MOLY Oil Treatment, 500 Ml, 20256
Advance Auto Parts
390
$17.49
LIQUI MOLY Oil Treatment, 500 Ml, 20256
Advance Auto Parts
390
$26.15
Marvel Mystery Oil 53436 Original Motor Treatment, Add To Fuel & Oil For Superior Cleaning, Removes And Prevents Sludge Build Up And Leaks, Extends
Amazon.com
$26.15
Marvel Mystery Oil 53436 Original Motor Treatment, Add To Fuel & Oil For Superior Cleaning, Removes And Prevents Sludge Build Up And Leaks, Extends
Amazon.com
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
iverybers.com
5K+
Free shipping
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
iverybers.com
5K+
$32.99
LIQUI MOLY Cera Tec Friction Motor Oil Additive, 300 Ml, 20002
Advance Auto Parts
82
$32.99
LIQUI MOLY Cera Tec Friction Motor Oil Additive, 300 Ml, 20002
Advance Auto Parts
82
$5.99
STP Oil Treatment 15.73 Oz
Ace Hardware
$5.99
STP Oil Treatment 15.73 Oz
Ace Hardware
$17.97
$21.99
Slick 50 750002 Recharged High Mileage Engine Treatment, 15-Ounce
Amazon.com
1K+
18% off
$17.97
$21.99
Slick 50 750002 Recharged High Mileage Engine Treatment, 15-Ounce
Amazon.com
1K+
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
Mc Mu
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
Mc Mu
$7.99
Lucas Oil 10016-1: Lucas Complete Engine Treatment
Summit Racing
2
$7.99
Lucas Oil 10016-1: Lucas Complete Engine Treatment
Summit Racing
2
$19.99
Slick 50 Engine Treatment 15 Oz
Ace Hardware
168
$19.99
Slick 50 Engine Treatment 15 Oz
Ace Hardware
168
$9.69
RISLONE Concentrated Engine Oil Supplement, 11Oz., 4405
Zoro.com
$9.69
RISLONE Concentrated Engine Oil Supplement, 11Oz., 4405
Zoro.com
$15.99
Lucas Oil Products Heavy Duty Oil Stabilizer Oil Stabilizer 32 Oz
Ace Hardware
$15.99
Lucas Oil Products Heavy Duty Oil Stabilizer Oil Stabilizer 32 Oz
Ace Hardware
$49.99
Liquimoly 3721 Engine Oil Additive
Amazon.com
Free shipping
$49.99
Liquimoly 3721 Engine Oil Additive
Amazon.com
Free shipping
$37.92
$44.86
Bar's Leaks High Mileage Engine Repair-It, Pack Of 4
Amazon.com
1K+
Free shipping
15% off
$37.92
$44.86
Bar's Leaks High Mileage Engine Repair-It, Pack Of 4
Amazon.com
1K+
$65.95
REV-X Stiction Fix Oil Treatment - 4 Fl. Oz. (2 Pack)
Amazon.com
2K+
Free shipping
$65.95
REV-X Stiction Fix Oil Treatment - 4 Fl. Oz. (2 Pack)
Amazon.com
2K+
$66.00
Lucas Heavy Duty Oil Stabilizer (1 Qt)-6 Pack
Amazon.com
Free shipping
$66.00
Lucas Heavy Duty Oil Stabilizer (1 Qt)-6 Pack
Amazon.com
Free shipping
$9.19
MARVEL MYSTERY OIL MYSTERY OIL Oil Additive, Motor Treatment, 32 Oz, Bio-Diesel Engines/Diesel Engines/Gasoline Engines, MM13R
Zoro.com
$9.19
MARVEL MYSTERY OIL MYSTERY OIL Oil Additive, Motor Treatment, 32 Oz, Bio-Diesel Engines/Diesel Engines/Gasoline Engines, MM13R
Zoro.com
$92.00
$119.76
Lucas Oil 10020 Fuel Treatment - 5.25 Ounce (Pack Of 24)
Amazon.com
20K+
Free shipping
23% off
$92.00
$119.76
Lucas Oil 10020 Fuel Treatment - 5.25 Ounce (Pack Of 24)
Amazon.com
20K+
$16.99
Lucas Oil 10130-1: Lucas Synthetic Oil Stabilizer
Summit Racing
$16.99
Lucas Oil 10130-1: Lucas Synthetic Oil Stabilizer
Summit Racing
$85.88
$114.99
Hot Shot's Secret Original Stiction Eliminator - For All Vehicles, Gas & Diesel Oil Additive, Reduces Wear, Restores Power & Protects Injectors,
Amazon.com
Free shipping
25% off
$85.88
$114.99
Hot Shot's Secret Original Stiction Eliminator - For All Vehicles, Gas & Diesel Oil Additive, Reduces Wear, Restores Power & Protects Injectors,
Amazon.com
Free shipping
$55.99
Marvel Mystery Oil MM13R Gas And Oil Additive, 1 Qt, Plastic Bottle
IndustrialSafety.com
$55.99
Marvel Mystery Oil MM13R Gas And Oil Additive, 1 Qt, Plastic Bottle
IndustrialSafety.com
$14.30
STP Oil Additive, Oil Treatment, Bottle, 15 Fl Oz, Gasoline Engines, Brown, 66079-0(8262)
Zoro.com
3
$14.30
STP Oil Additive, Oil Treatment, Bottle, 15 Fl Oz, Gasoline Engines, Brown, 66079-0(8262)
Zoro.com
3
$45.35
$65.94
Rislone 4405-6PK Hy-Per Lube Zinc ZDDP Supplement, 11 Oz, 6-Pack | Real ZDDP Zinc Additive
Amazon.com
Free shipping
31% off
$45.35
$65.94
Rislone 4405-6PK Hy-Per Lube Zinc ZDDP Supplement, 11 Oz, 6-Pack | Real ZDDP Zinc Additive
Amazon.com
Free shipping
$3.23
Liqui Moly - Engine Oil Additive - 80Ml - Engine Flush Shooter - 20196
UtvNut
2
$3.23
Liqui Moly - Engine Oil Additive - 80Ml - Engine Flush Shooter - 20196
UtvNut
2
$111.99
LUCAS OIL 10002 H/D Oil Stabilizer 4 Pack /1 Gal
Amazon.com
46
Free shipping
$111.99
LUCAS OIL 10002 H/D Oil Stabilizer 4 Pack /1 Gal
Amazon.com
46
$7.25
MARVEL MYSTERY OIL MYSTERY OIL Oil Additive, Motor Treatment, 16 Oz, Bio-Diesel Engines/Diesel Engines/Gasoline Engines, MM12R
Zoro.com
$7.25
MARVEL MYSTERY OIL MYSTERY OIL Oil Additive, Motor Treatment, 16 Oz, Bio-Diesel Engines/Diesel Engines/Gasoline Engines, MM12R
Zoro.com
$34.99
Liqui Moly Cera Tec Engine Oil Additive (300Ml Can) - Lm20002
GenRacer
$34.99
Liqui Moly Cera Tec Engine Oil Additive (300Ml Can) - Lm20002
GenRacer
$107.99
Slick 50 Original Engine Treatment | 32 Oz., 6-Pack
Amazon.com
622
Free shipping
$107.99
Slick 50 Original Engine Treatment | 32 Oz., 6-Pack
Amazon.com
622
$32.99
One Gallon Lucas Heavy-Duty Oil Stabilizer - Motor Oil Additive | Lucas Oil 10002-1
Summit Racing
$32.99
One Gallon Lucas Heavy-Duty Oil Stabilizer - Motor Oil Additive | Lucas Oil 10002-1
Summit Racing
$88.20
Kroil Kreen All-In-One Gas & Oil Treatment - Engine Cleaner Additive - Improves Compression, Reduces Oil Use & Removes Carbon Deposits - For Gas &
Amazon.com
6
Free shipping
$88.20
Kroil Kreen All-In-One Gas & Oil Treatment - Engine Cleaner Additive - Improves Compression, Reduces Oil Use & Removes Carbon Deposits - For Gas &
Amazon.com
6
$33.99
Lucas Oil Products Heavy Duty Oil Stabilizer 1-Gallon | Stabilizer Oil Gallon Heavy Duty | 10002
FleetPride
$33.99
Lucas Oil Products Heavy Duty Oil Stabilizer 1-Gallon | Stabilizer Oil Gallon Heavy Duty | 10002
FleetPride
$7.58
Liqui Moly - Engine Oil Additive - 250Ml - Engine Flush Shooter - 20050
UtvNut
$7.58
Liqui Moly - Engine Oil Additive - 250Ml - Engine Flush Shooter - 20050
UtvNut
Which engine oil additive is best?
Which engine oil additive is best?
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Shop Engine Oil Treatment Additives

Sponsored
About our ads
$10.53
Lucas Oil 16Oz Complete Engine Treatment
USA Fleet Supply
$10.53
Lucas Oil 16Oz Complete Engine Treatment
USA Fleet Supply
$18.99
$21.99
Bar's Leaks OS-1 Oil Seal Engine Oil Burning And Leak Repair, 16.9 Oz.
Amazon.com
3K+
13% off
$18.99
$21.99
Bar's Leaks OS-1 Oil Seal Engine Oil Burning And Leak Repair, 16.9 Oz.
Amazon.com
3K+
$11.76
Rislone 4405 Hy-Per Lube Zinc ZDDP Supplement, 11 Oz. | Real ZDDP Zinc Additive
Amazon.com
1K+
$11.76
Rislone 4405 Hy-Per Lube Zinc ZDDP Supplement, 11 Oz. | Real ZDDP Zinc Additive
Amazon.com
1K+
$10.99
Seafoam Sea Foam Motor Treatment, Size 16 Oz | Overton's
Overton's
5K+
$10.99
Seafoam Sea Foam Motor Treatment, Size 16 Oz | Overton's
Overton's
5K+
$14.19
$16.66
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
610
14% off
$14.19
$16.66
Slick 50 Original Engine Treatment | 32 Oz., Single
Amazon.com
610
$17.49
LIQUI MOLY Oil Treatment, 500 Ml, 20256
Advance Auto Parts
390
$17.49
LIQUI MOLY Oil Treatment, 500 Ml, 20256
Advance Auto Parts
390
$26.15
Marvel Mystery Oil 53436 Original Motor Treatment, Add To Fuel & Oil For Superior Cleaning, Removes And Prevents Sludge Build Up And Leaks, Extends
Amazon.com
$26.15
Marvel Mystery Oil 53436 Original Motor Treatment, Add To Fuel & Oil For Superior Cleaning, Removes And Prevents Sludge Build Up And Leaks, Extends
Amazon.com
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
iverybers.com
5K+
Free shipping
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
iverybers.com
5K+
$32.99
LIQUI MOLY Cera Tec Friction Motor Oil Additive, 300 Ml, 20002
Advance Auto Parts
82
$32.99
LIQUI MOLY Cera Tec Friction Motor Oil Additive, 300 Ml, 20002
Advance Auto Parts
82
$5.99
STP Oil Treatment 15.73 Oz
Ace Hardware
$5.99
STP Oil Treatment 15.73 Oz
Ace Hardware
$17.97
$21.99
Slick 50 750002 Recharged High Mileage Engine Treatment, 15-Ounce
Amazon.com
1K+
18% off
$17.97
$21.99
Slick 50 750002 Recharged High Mileage Engine Treatment, 15-Ounce
Amazon.com
1K+
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
Mc Mu
$7.00
Sea Foam 16 Oz. Engine Treatment/Additive
Mc Mu
$7.99
Lucas Oil 10016-1: Lucas Complete Engine Treatment
Summit Racing
2
$7.99
Lucas Oil 10016-1: Lucas Complete Engine Treatment
Summit Racing
2
$19.99
Slick 50 Engine Treatment 15 Oz
Ace Hardware
168
$19.99
Slick 50 Engine Treatment 15 Oz
Ace Hardware
168
$9.69
RISLONE Concentrated Engine Oil Supplement, 11Oz., 4405
Zoro.com
$9.69
RISLONE Concentrated Engine Oil Supplement, 11Oz., 4405
Zoro.com
$15.99
Lucas Oil Products Heavy Duty Oil Stabilizer Oil Stabilizer 32 Oz
Ace Hardware
$15.99
Lucas Oil Products Heavy Duty Oil Stabilizer Oil Stabilizer 32 Oz
Ace Hardware
$49.99
Liquimoly 3721 Engine Oil Additive
Amazon.com
Free shipping
$49.99
Liquimoly 3721 Engine Oil Additive
Amazon.com
Free shipping
$37.92
$44.86
Bar's Leaks High Mileage Engine Repair-It, Pack Of 4
Amazon.com
1K+
Free shipping
15% off
$37.92
$44.86
Bar's Leaks High Mileage Engine Repair-It, Pack Of 4
Amazon.com
1K+

  • Best Engine Restore Additive - Top 10 Engine Oil Additives of 2025

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