10 bestEngine Oil Additivesof November 2025
112M consumers helped this year.
1
Pennzoil Platinum Full Synthetic 5W-20 Motor Oil (5L, Single)
Pennzoil
9.7
2
Liqui Moly (20002) Cera Tec Friction Modifier - 300 ml
Liqui Moly
9.4
3
Archoil AR9100 Oil Additive (16oz) for All Vehicles - Powerstroke Cold Starts, Eliminates Injector Problems…
Archoil
9.1
4
Liqui Moly 2009 Anti-Friction Oil Treatment - 300 ml
Liqui Moly
8.8
38% 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
8.5
Other
Gumout 800001743 Regane Complete Fuel System Cleaner, 177ml
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 w. Revitalizant 1Stage Maximum SUV (up to 10qt of Oil Capacity)
XADO Engine Oil Additive 1 Stage - Friction Modifier - Motor Restore Treatment - Performance Restoration - Protects Against Cold-Start Damage - For Gas, Diesel and LPG Engines - Revitalizant (Blister)
6
Lucas Oil H/D Oil Stabilizer/12x1/Quart, Multi, One Size (10001)
Lucas Oil
8.2
7
Liqui Moly Ceratec Oil Additive Treatment Ceramic Wear Protection 300ml
Liqui Moly
7.9
8
Liqui Moly 2020 Motor Oil Saver - 300 ml
Liqui Moly
7.6
9
Liqui Moly 20004 Hydraulic Lifter Additive
Liqui Moly
7.3
10
Liqui Moly 2009 Anti-Friction Oil Treatment -pk2 by Liqui Moly
Liqui Moly
7.0
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