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10 bestOil Additive For Engine Knockof October 2025

112M consumers helped this year.

1

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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2

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

Liqui Moly

9.6

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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

9.3

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15% off

4

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

Liqui Moly

9.0

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5

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

BG(0002698761)

8.8

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Related productsUp to 16% off

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

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

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Rislone High Mileage Engine Treatment, (Pack of 5)

Rislone High Mileage Engine Treatment, (Pack of 5)

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3 cans of BG EPR Engine Performance Restoration

3 cans of BG EPR Engine Performance Restoration

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

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

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7% off

6

zMAX 51-011 - Engine & Fuel Formula Kit - Easy to Use - Reduces Carbon Build-Up & Lubricates Metal Extending Life of Car or Truck - Runs Efficiently, Improving Gas or Diesel Mileage - 12 oz. Each
zMAX 51-011 - Engine & Fuel Formula Kit - Easy to Use - Reduces Carbon Build-Up & Lubricates Metal Extending Life of Car or Truck - Runs Efficiently, Improving Gas or Diesel Mileage - 12 oz. Each

ZMAX

8.5

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21% off

7

Lucas Oil 10016 Complete Engine Treatment - 16 fl oz
Lucas Oil 10016 Complete Engine Treatment - 16 fl oz

Lucas Oil

8.2

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11% off

8

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

7.9

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9

5 - Pack Bg MOA Motor Oil Additive (5) 11oz. Cans
5 - Pack Bg MOA Motor Oil Additive (5) 11oz. Cans

BG

7.6

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10

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

7.3

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