Product Description
MAHLE CS54556 is the OE-style lower (conversion) engine gasket set for 2003–2007 5.9L Cummins Ram 2500/3500. Pair it with a MAHLE head set to create a full engine gasket kit. Built to OE specs for reliable sealing and long service life.
Features & Specs
- Lower engine gasket set • Direct-fit OE-style materials
- Package quantity: 28 pieces
- Includes: oil pan gasket (paper), rear main seal (fluoroelastomer), timing cover gaskets/seal, water outlet gasket, water pump gasket
- Does not include head gasket or head fasteners
- Warranty: 1-Year Limited
Fitment
- 2003, 2004, 2004.5, 2005, 2006, 2007 Dodge Ram 2500 / 3500 with 5.9L Cummins (24-valve, common rail)
Cross Reference Numbers
- Cummins: 4089173
- Mopar/Chrysler: 5093229AA
- GTIN/UPC: 027067748966
What’s Included
Lower engine gaskets & seals needed for pan, timing cover, rear main, water outlet and pump areas (see list above). Head set sold separately.
FAQ
Will this fit my 2003–2007 5.9L Cummins?
Yes—fits Ram 2500/3500 with the 5.9L 24-valve common-rail engine.
Does this set include the head gasket or head bolts?
No. This is the lower set only. Pair with MAHLE HS54556/HS54557 head sets and separate bolts/studs as needed.
Is an oil pan gasket included?
Yes—the set includes a paper oil pan gasket. Follow torque and sealant guidance per Cummins/MAHLE.
What material is the rear main seal?
Fluoroelastomer for durability and heat resistance.
Any machining required?
Typically no for lower reseal jobs. Inspect surfaces; follow factory service manual procedures for best results.
