10 bestHeavy Duty Diesel Engine Oilof January 2026
112M consumers helped this year.
1
Liqui Moly 2332 Leichtlauf High Tech 5W-40 Engine Oil - 5 Liter
Liqui Moly
10.0
2
Shell Rotella T6 5W-40 Full Synthetic Diesel Engine Oil (5-Gallon Pail) 550046217
Shell Rotella
10.0
3
Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil (5L, Single Pack)
Shell Rotella
9.8
4
Lucas Oil 10002 Heavy Duty Oil Stabilizer, 1-Gallon (Case of 4)
Lucas Oil
9.5
5
Shell Rotella T Rotella 550045126-3PK T4 Triple Protection Motor Oil (15W-40 CJ4), 3 Pack, 1 Gallon
Shell Rotella
9.2
OtherUp to 8% off
Shell Rotella T6 15W-40 Diesel Engine Oil, 1 Gallon (Case of 3)
Shell Rotella 550019921-3PK T6 5W-40 Full Synthetic Heavy Duty Diesel Engine Oil (CJ-4) - 1 Gallon Jug Pack of 3
Shell Rotella 550046251-3PK T6 Full Synthetic Multi-Vehicle 5W-30 Diesel Engine Oil (1-Gallon, Case of 3)
Shell ROTELLA 550036271 T6 Full Synthetic Heavy Duty 0W-40 Engine Diesel Oil - 5 Gallon Pail
6
7835 Rear Main Oil Seal Remover Installer Kit Replacement for 1998-2003 7.3L Diesel Engines in 3/4 and 1 Ton Trucks Heavy Duty Steel
DEF
9.0
7% off
7
Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil (5L, Single Pack)
Shell Rotella
8.7
8
Lucas Oil H/D Oil Stabilizer/12x1/Quart, Multi, One Size (10001)
Lucas Oil
8.4
9
Valvoline Premium Blue SAE 10W-30 Diesel Engine Oil 1 GA, Case of 3
Valvoline
8.1
10
TriboTEX Oil Additive Diesel Truck Engine Treatment: Add to Engine Oil - Makes High Mileage Pickups Like New with a Synthetic Material (Treats One Big Diesel Truck) Make Your Truck More Heavy Duty
TriboTEX
7.8
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