Product Description
Interstate-McBee M-4376091 Lower Engine Gasket Set — 2013–2018 6.7L Cummins (Aftermarket Replacement)
Complete lower-end gasket and seal set for the 2013–2018 Ram 2500/3500 equipped with the 6.7L Cummins. Built to OE form, fit, and function to refresh the bottom end during repair or overhaul.
- Direct replacement: OE-equivalent materials and profiles for proper sealing.
- Coverage: Targets lower-engine service points to help stop oil leaks and seepage.
- Value: Interstate-McBee quality at a competitive price.
Specifications
| Brand | Interstate-McBee |
| Part Number | M-4376091 |
| OEM Reference | Cummins 4376091 (lower engine gasket set) |
| Engine | 6.7L Cummins (ISB) |
| Years | 2013–2018 |
| Sold As | Complete kit |
Typical Contents
Exact contents may vary by production run; consult images/notes or contact us with your ESN to confirm.
- Oil pan gasket and related seals
- Front cover & timing cover gaskets/seals
- Rear main seal housing gasket and related seals
- Crankshaft seals (front/rear) (when included by kit)
- Assorted O-rings and lower-end seals as applicable
Vehicle Fitment
Always verify by Engine Serial Number (ESN) for best accuracy.
- Ram 2500/3500 — 6.7L Cummins ISB
- Model years: 2013, 2014, 2015, 2016, 2017, 2018
What’s Included
- (1) Lower engine gasket set, P/N M-4376091
Recommended/Related Parts
- Upper engine (head) gasket set for 6.7L Cummins (sold separately)
- Front/rear crank seals if not included in this kit
- RTV sealant and fresh fasteners where required
Install Notes
- Clean sealing surfaces thoroughly; remove old RTV and debris.
- Follow torque specs and sequence from the Cummins service manual.
- Use appropriate sealant only where specified by the manual.
- Verify crank seal orientation and installation depth.
Why Buy From CPP Diesel
- ESN-verified fitment support
- Fast shipping & easy returns
- Wide inventory of complementary Cummins parts
FAQ
Will this fit my 2013–2018 Ram 2500/3500 6.7L?
Yes, this kit is intended for the 6.7L Cummins ISB used in 2013–2018 Ram 2500/3500. For the most accurate match, verify with your ESN.
What’s the difference between lower and upper gasket sets?
Lower sets cover the bottom end (oil pan, timing/front cover, rear main housing, and related seals). Upper sets cover top-end components (intake/exhaust, valve cover, head gasket set, etc.).
Are crank seals included?
Contents can vary by kit. If you need front/rear crank seals guaranteed, add them to your cart separately or contact us to confirm contents by ESN.
