Product Description
Genuine Cummins
Cummins 4955355 — Lower Engine Gasket Kit for ISB 6.7L
MPN: 4955355 | Also Known As: lower gasket set, bottom-end gasket kit | Kit Type: OE gaskets & seals for lower end reassembly
Why This Part
- ✓ Complete OE lower-end sealing for rebuilds and major service.
- ✓ Direct-fit for 2007.5–2010 Ram 6.7L ISB (verify by VIN/ESN).
- ✓ Leak-free performance with Cummins-spec materials and geometry.
- ✓ Pairs perfectly with Upper Engine Gasket Kit 4955354 when doing a full refresh.
OE Fit Rebuild-Ready Complete Kit
Quick Specs
| Type | Lower engine gasket kit (bottom-end) |
|---|---|
| OE Part # | 4955355 |
| Qty Required | 1 per engine (complete kit) |
| Includes (highlights) | Oil pan gasket(s), front & rear crank seals, timing/gear housing gaskets, filter head & cooler interface seals, o-rings & sealing washers |
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 2007.5–2010 | Ram 6.7L ISB (24V Common-Rail) | Ram 2500/3500 |
Notes: This kit targets early 6.7L (EPA07) Rams. Always verify by VIN/ESN and build date.
Often Paired With
- Upper Engine Gasket Kit: Cummins 4955354 (’07.5–’10 6.7L)
- Oil Cooler & Interfaces: Cooler 3975818 with gaskets 3974127 (cooler→filter) & 2830559 (cooler→block)
- Fresh oil & filter after reassembly to flush debris
What’s In The Box
- (1) Genuine Cummins Lower Engine Gasket Kit (4955355)
- Comprehensive set of OE gaskets, o-rings, and seals for the lower end
Install Tips
- Clean/inspect mating surfaces; follow Cummins torque & pattern specs.
- Use alignment dowels as required; avoid RTV where not specified.
- Prime oil system after reassembly; recheck for leaks after first heat cycle.
FAQ
WILL THIS FIT MY 2007.5–2010 6.7L CUMMINS RAM?Yes—4955355 is the OE lower engine gasket kit for early 6.7L ISB Ram 2500/3500 (verify by VIN/ESN).
WHAT’S INCLUDED IN THIS KIT?Oil pan gasket(s), front & rear crankshaft seals, gear/timing housing gaskets, filter head & cooler interface seals, and the common o-rings & sealing washers for the bottom end.
DO I ALSO NEED THE UPPER GASKET KIT?If you’re doing a full rebuild or head work, pair this with the Upper Engine Gasket Kit 4955354.
IS THIS A GENUINE CUMMINS KIT?Yes—OE Cummins 4955355 with factory-grade materials and fitment.
WILL THIS WORK ON 2011+ 6.7L?This listing is for 2007.5–2010. Later years use different kits—verify by VIN/ESN.
Product Videos
Custom Field
Vehicle Year 2007.5,2008,2009,2010
Vehicle Make DODGE
ENGINE 6.7L
Part Type Lower Engine Gasket Set
