Donaldson Heavy-Duty Spin-On Lube Filter (P550428)

Keep your engine protected and functioning reliably with the Donaldson P550428 spin-on full-flow lube filter. Designed for heavy-duty use, this filter offers effective contaminant control and strong build quality to support demanding diesel applications.

Note: This filter is commonly used on Cummins-powered commercial vehicles, making it an ideal choice for semi-trucks and heavy-duty fleets.

Features:

• Spin-on full-flow lube filter design

• Thread size: 1 1/8‑16 UN

• Outer diameter: ~3.66″ (≈93 mm)

• Length: ~6.85″ (≈174 mm)

• Durable filtration media for full-flow oil systems under demanding conditions

Applications:
Ideal for commercial trucks, heavy-duty diesel engines, and fleet vehicles requiring reliable lube system protection.

Cross References:

• AG CHEM EQUIPMENT – 723721

• Alliance – ABPN10GHF7936 / ABPN10GLF3970

• Baldwin – B7177 / B7497 / BT595

• Big A – 91028 / 91182 / 91412 / 92619

• Carquest – 84028 / 84182 / 84412 / 85619

• Case / Case IH – J937736 / J942365

• Caterpillar – 917336 / 1090360

• Cummins – 3937144 / 3937736 / 3942365

• Daewoo – D144020

• Dongfeng – 1012BF11025

• Fleetguard – HF7936 / HF7936N1 / LF3729 / LF3937 / LF3970

• Fram – P8732 / PH8942 / PH8943

• Mack – 2191P550428

• Mann & Hummel – W951

• NAPA – 1619 / 7028 / 7182 / 7412

• Prevost Car – 19500492

• VMC – HF550428 / LF550428

• Volvo – 43919927 / 85114081

• Wix – 51619 / 57028 / 57182 / 57412 / 57182MP