10 bestOil Additivesof June 2026
112M consumers helped this year.
24% off
1
Archoil AR6500 Diesel Treatment (40 oz) Treats 400 Gallons, Diesel Fuel Additive - Lubricity Improver, Injector Cleaner, DPF & Turbo Deposit Control, Cetane Booster
Archoil
9.8
2
Red Line 80301-12PK Limited Slip Friction Modifier - 4 Ounce, (Pack of 12)
Red Line
9.6
22% off
3
Set Of 2 Liqui Moly (3721) Cera Tec Friction Modifier - 300 ml by Liqui Moly
Liqui Moly
9.4
17% off
4
Archoil Diesel Fuel System Kit - AR6400-D (12 oz) + AR6500 (40 oz) - Complete Restoration For All Diesel Engines, Injector Cleaner, Lubricity Improver, DPF & Turbo Deposit Control, Cetane Booster
Archoil
9.2
10% off
5
Liqui Moly Ceratec Oil Additive Treatment Ceramic Wear Protection 300ml
Liqui Moly
9.0
5% off
6
Archoil AR9100 Oil Additive (16 oz) for All Engines - Power Stroke Stiction Treatment, Friction Modifier, Anti-Wear Protection
Archoil
8.7
28% off
7
Archoil AR6400-D Diesel Fuel System Cleaner (12 oz) Two Pack - Rapid Injector Cleaner, Turbo & DPF Deposit Control
Archoil
8.5
8
LIQUI MOLY - 300mL MoS2 Anti-Friction Engine Treatment (2009)
Liqui Moly
8.2
9
BG 44k PLATINUM New
BG
7.9
10
Liqui Moly 20004 Hydraulic Lifter Addtive (2 Pack)
Liqui Moly
7.7
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