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10 bestOil Additive For Engine Knockof June 2025

112M consumers helped this year.

14% off

1

Liqui Moly (20002) Cera Tec Friction Modifier - 300 ml
Liqui Moly (20002) Cera Tec Friction Modifier - 300 ml

Liqui Moly

9.9

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2

Archoil AR9100 Oil Additive (16oz) for All Vehicles - Powerstroke Cold Starts, Eliminates Injector Problems…
Archoil AR9100 Oil Additive (16oz) for All Vehicles - Powerstroke Cold Starts, Eliminates Injector Problems…

Archoil

9.8

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3

Lucas Oil H/D Oil Stabilizer/12x1/Quart, Multi, One Size (10001)
Lucas Oil H/D Oil Stabilizer/12x1/Quart, Multi, One Size (10001)

Lucas Oil

9.6

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4

Liqui Moly 2009 Anti-Friction Oil Treatment - 300 ml
Liqui Moly 2009 Anti-Friction Oil Treatment - 300 ml

Liqui Moly

9.3

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12% off

5

TriboTEX Oil Additive Car Engine Treatment: Add to Engine Oil - Makes High Mileage Cars Like New with a Synthetic Material (Treats One Regular Car, Truck, Tractor or Small Diesel)
TriboTEX Oil Additive Car Engine Treatment: Add to Engine Oil - Makes High Mileage Cars Like New with a Synthetic Material (Treats One Regular Car, Truck, Tractor or Small Diesel)

TriboTEX

9.1

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Related productsUp to 10% off

REV X ZDDP Oil Additive - Zinc & Phosphorus (5 Pack)

REV X ZDDP Oil Additive - Zinc & Phosphorus (5 Pack)

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Lucas Oil 10016 Complete Engine Treatment - 16 fl oz

Lucas Oil 10016 Complete Engine Treatment - 16 fl oz

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Bg Products MOA & EPR Motor Oil Additive Lubrication Supplement Engine Restore

Bg Products MOA & EPR Motor Oil Additive Lubrication Supplement Engine Restore

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BG MOA Motor Oil Additive 11oz (3 Pack)

BG MOA Motor Oil Additive 11oz (3 Pack)

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6

3 cans of BG EPR Engine Performance Restoration
3 cans of BG EPR Engine Performance Restoration

BG(0002698761)

8.8

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7

XADO Engine Oil Additive - Protection For Engines - Additive For Wear Protection & Rebuilding Of Worn Metal Surfaces - Metal Conditioner With Revitalizant 1 Stage Maximum (Up To 5qt Of Oil Capacity)
XADO Engine Oil Additive - Protection For Engines - Additive For Wear Protection & Rebuilding Of Worn Metal Surfaces - Metal Conditioner With Revitalizant 1 Stage Maximum (Up To 5qt Of Oil Capacity)

XADO

8.5

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8

Restore (00012) 6-Cylinder Formula Engine Restorer and Lubricant - 12.5 oz.
Restore (00012) 6-Cylinder Formula Engine Restorer and Lubricant - 12.5 oz.

Restore

8.2

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9

Rislone High Mileage Engine Treatment, (Pack of 5)
Rislone High Mileage Engine Treatment, (Pack of 5)

Rislone

7.9

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6% off

10

Lucas Oil 10063 Engine Break-In Oil Additive - 16 oz
Lucas Oil 10063 Engine Break-In Oil Additive - 16 oz

LUCAS

7.6

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