10 bestDiesel Oilsof March 2026
112M consumers helped this year.
1
Liqui Moly 2332 Leichtlauf High Tech 5W-40 Engine Oil - 5 Liter
Liqui Moly
9.8
10% off
2
Motul 7100 4T 10W-40 Synthetic Oil 4 Liters (104092)
Motul
9.6
3
8100 X-Cess 5w40 GEN 2 Oil 5 Liter Bottle
Motul
9.3
5% off
4
Shell Rotella T6 Full Synthetic 5W-40 Diesel Engine Oil (5L, Single Pack)
Shell Rotella
9.1
5
Royal Purple 05154 API-Licensed SAE 15W-40 High Performance Synthetic Motor Oil, 5-Gallon Pail
Royal Purple
8.8
OtherUp to 20% off
Shell Rotella T5 Synthetic Blend 15W-40 Diesel Engine Oil (5L, Single Pack)
Valvoline Premium Blue SAE 10W-30 Diesel Engine Oil 1 GA, Case of 3
Castrol GTX CK-4 Conventional Diesel Motor Oil, 15W-40, 1 Gallon, Pack of 3
Shell Rotella 550045144 T4 Triple Protection Conventional 10W-30 Diesel Engine Oil (1-Gallon, Single Pack)
6
Shell Rotella T6 Full Synthetic 15W-40 Diesel Engine Oil (1-Gallon, Case of 3)
Shell Rotella
8.5
7
Mobil 1 120782 5W-40 Turbo Diesel Synthetic Motor Oil - 1 Gallon (Pack of 3)
Mobil
8.2
16% off
8
Shell Rotella T4 Triple Protection Conventional 15W-40 Diesel Engine Oil (5L, Single Pack)
Shell Rotella
7.9
5% off
9
Valvoline Premium Blue One Solution SAE 15W-40 Diesel Engine Oil 1 GA
Valvoline
7.6
10
Motul 106377 8100 X-Clean+ Engine Oil (5w-30) -5 Liter
Motul
7.3
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