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10 bestOil Additive For Engine Knockof January 2026

112M consumers helped this year.

5% off

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

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

9.6

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3

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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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

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

Rislone

8.7

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Related productsUp to 10% off

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

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

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

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zMAX 58-032 - Multi-Purpose Formula Treatment for Engine, Fuel, Transmission & Power Steering - Reduces Carbon Build-Up - Lubricates Metal - Improves Gas/Diesel Performance - 32 oz. Quart - 2 Pack

zMAX 58-032 - Multi-Purpose Formula Treatment for Engine, Fuel, Transmission & Power Steering - Reduces Carbon Build-Up - Lubricates Metal - Improves Gas/Diesel Performance - 32 oz. Quart - 2 Pack

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13% off

6

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

8.4

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5% off

7

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

BG

8.2

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13% off

8

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

BG(0002698761)

7.9

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9

LQM Motor Oil Additive
LQM Motor Oil Additive

Liqui Moly

7.6

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10

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

BG(0002698761)

7.3

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