10 bestAi Engine Additivesof December 2024
112M consumers helped this year.
1
Liqui Moly 2037 Pro-Line Engine Flush - 500 Milliliters
Liqui Moly
9.8
13% off
2
STP Super Concentrated Fuel Injector Cleaner Fuel Additive, 155ml
STP
9.6
3
XADO Engine Oil System Cleaner with Anti-Carbon Effect - Removes Contamination & Engine Sludge - ATOMEX Total Flush Revitalizant (Bottle, 250ml)
XADO
9.4
4
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
9.1
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
8.9
Other
6
STP 17174 Multipurpose Motor Treatment, 473ml
STP
8.6
7
STP 17680 Ultra-5-in-1 High Performance Engine Treatment Cleaning Kit, 473mL
STP
8.3
8
Bardahl B2 Engine Protection Motor Oil Additive - Zinc Engine Restore & Oil Burning Guard - Oil Treatment Designed to Lubricate & Reduce Wear on Older Cars & High Mileage Engines - 12 fl oz (12 Pack)
Bardahl
8.0
9
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
7.7
10
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)
XADO
7.4
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