Product Description
Interstate-McBee M-4955522 Lower Gasket Set – 2011–2012 6.7L Cummins (Aftermarket Replacement)
Complete lower engine gasket and seal set for the 2011–2012 Dodge Ram 2500/3500 equipped with the 6.7L Cummins 24-valve. Built to OE form, fit, and function to refresh critical sealing surfaces during bottom-end or timing/front cover service. Sold as one complete kit.
- OE-equivalent materials: Designed to match Cummins sealing performance and durability.
- Service efficiency: One boxed kit helps eliminate missed gaskets during reassembly.
- Correct fitment: For 2011–2012 6.7L Cummins ISB applications (verify by ESN when possible).
Specifications
| Brand | Interstate-McBee |
| Part Number | M-4955522 |
| OEM Reference | Cummins 4955522 (lower set) |
| Engine | 6.7L Cummins ISB (24-valve) |
| Sold As | Complete lower gasket set |
| Intended Location | Lower engine (oil pan, front cover, rear seal housing & related interfaces) |
What’s Included
This is a lower engine set intended for the bottom end and front/rear cover areas. Typical contents may include (application-dependent):
- Oil pan gasket/seal
- Front cover/timing cover gasket(s)
- Rear main seal housing gasket
- Water pump, thermostat, and coolant passage gaskets as applicable
- Oil cooler/adapter and miscellaneous o-rings/seals for lower-end interfaces
Exact contents can vary by build date and ESN. If you need a contents breakdown, provide your engine serial number and we’ll confirm.
Vehicle Fitment
Always verify by engine serial number (ESN) for best results.
- Ram 2500/3500 with 6.7L Cummins ISB, Model Years: 2011–2012
- Additional on-highway 6.7L ISB applications where Cummins lower set 4955522 is specified
Install Notes
- Clean and dry all sealing surfaces; avoid RTV unless specified by the service manual.
- Follow OEM torque specs and patterns for covers and oil pan hardware.
- Lightly oil radial seals and verify lip orientation during installation.
Recommended/Related Parts
- Upper (head) gasket set for 6.7L Cummins (pair with this lower set for full reseal)
- Front crankshaft seal & wear sleeve (if not included in your kit)
- Rear main seal (if not included in your kit)
- New coolant and engine oil/filter after reassembly
Why Buy From CPP Diesel
- ESN-verified fitment support from diesel specialists
- Fast shipping and competitive pricing
- Huge inventory of complementary Cummins ISB service parts
FAQ
Is this the right set for my 6.7L Cummins?
This lower set is intended for 2011–2012 6.7L Cummins ISB engines. Provide your ESN and we’ll confirm the correct set.
Does this include head gaskets?
No. This is a lower set. For top-end work, add the matching upper/head set for your ESN.
What about front/rear main seals?
Some builds package seals separately. If you need the crank seals, add them to your cart or contact us to bundle the correct pieces for your ESN.
Will this fit 2013+ 6.7L models?
Not typically. Later model years can require different kits. Verify by ESN to avoid returns.