10 bestOil Additive For Engine Knockof December 2025
112M consumers helped this year.
5% off
1
Archoil AR9100 Oil Additive (16oz) for All Vehicles - Powerstroke Cold Starts, Eliminates Injector Problems…
Archoil
9.8
11% off
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
9.6
3
3 cans of BG EPR Engine Performance Restoration
BG(0002698761)
9.3
4
REV X ZDDP Oil Additive - Zinc & Phosphorus (5 Pack)
REV X
9.0
5
Rislone High Mileage Engine Treatment, (Pack of 5)
Rislone
8.8
Other
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 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
Liqui Moly 2009 Anti-Friction Oil Treatment - 300 ml
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)
6
Bg Products MOA & EPR Motor Oil Additive Lubrication Supplement Engine Restore
BG(0002698761)
8.5
6% off
7
BG MOA Motor Oil Additive 11oz (3 Pack)
B&G
8.2
8
Liqui Moly (20002) Cera Tec Friction Modifier - 300 ml
Liqui Moly
7.9
15% off
9
Lucas Oil H/D Oil Stabilizer/12x1/Quart, Multi, One Size (10001)
Lucas Oil
7.6
10
5 - Pack Bg MOA Motor Oil Additive (5) 11oz. Cans
BG
7.3
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