10 bestOil Additive For Engine Knockof March 2026
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
2
Liqui Moly 2009 Anti-Friction Oil Treatment - 300 ml
Liqui Moly
9.6
13% off
3
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
9.4
10% off
4
3 cans of BG EPR Engine Performance Restoration
BG(0002698761)
9.1
5
REV X ZDDP Oil Additive - Zinc & Phosphorus (5 Pack)
REV X
8.8
OtherUp to 13% off
Lucas Oil 10063 Engine Break-In Oil Additive - 16 oz
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
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)
Marvel MM14R Mystery Oil 1 Gallon
6
Liqui Moly (20002) Cera Tec Friction Modifier - 300 ml
Liqui Moly
8.6
7
Rislone High Mileage Engine Treatment, (Pack of 5)
Rislone
8.3
31% off
8
Lucas Oil H/D Oil Stabilizer/12x1/Quart, Multi, One Size (10001)
Lucas Oil
8.0
9
Bg Products MOA & EPR Motor Oil Additive Lubrication Supplement Engine Restore
BG(0002698761)
7.7
10
BG MOA Motor Oil Additive 11oz (3 Pack)
B&G
7.4
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