Product Description
Interstate-McBee M-4376091 Lower Engine Gasket Set – 2013–2018 6.7L Cummins
OEM-style lower engine gasket set engineered by Interstate-McBee for the 2013–2018 Ram with 6.7L Cummins (ISB). Built for precise fit and durable sealing on lower-end service and rebuilds—an aftermarket replacement for Cummins 4376091.
- Direct-fit replacement: Aftermarket equivalent to Cummins 4376091.
- Comprehensive coverage: Includes key lower-end gaskets and seals for oil pan, front/rear structures, accessory covers, and related O-rings (contents may vary by ESN).
- Durable materials: Designed for leak resistance and long service life.
- Cost-effective: Interstate-McBee quality at significant savings vs. OEM.
Specifications
| Interstate-McBee P/N | M-4376091 |
|---|---|
| OEM Reference | 4376091 (Cummins) |
| Engine | 6.7L Cummins ISB (24-Valve) |
| Model Years | 2013–2018 |
| Typical Kit Contents | Oil pan gaskets, front/rear structure & cover gaskets, accessory drive cover gasket, crankshaft seals, sealing washers, and O-rings (verify by ESN). |
Vehicle Fitment
Always verify via VIN/Engine Serial Number (ESN) for exact coverage.
- Ram (Dodge) 2500/3500 with 6.7L Cummins:
- 2013, 2014, 2015, 2016, 2017, 2018
Installation Notes
- Thoroughly clean mating surfaces; remove all old gasket material.
- Follow Cummins service manual for torque values and tightening sequence.
- Use RTV only where the service manual specifies (e.g., joint corners).
- Inspect crankshaft seal orientation and depth; replace fasteners where required.
Warranty
New Interstate-McBee components include manufacturer warranty coverage. Contact us for policy details for gasket sets and seals.
Cross-Reference & Pairing
Cross-ref: Cummins 4376091 (OEM). Pair with an upper/valve-train gasket set (e.g., Interstate-McBee M-4955354, STD thickness) to complete a full engine reseal.
Why Buy From CPP Diesel
- ESN-verified fitment support from real diesel techs.
- Fast shipping and hassle-free returns.
- Deep Cummins catalog with compatible seals, covers, and hardware.
FAQ
Is M-4376091 the correct set for my 2013–2018 6.7L Cummins?Yes—this lower engine set targets 2013–2018 Ram 6.7L ISB coverage. Always confirm with your VIN/ESN for exact fit.
What’s included in the kit?
Lower-end service gaskets and seals (oil pan, front/rear structure & covers, accessory cover, crank seals, and O-rings). Contents may vary by ESN.
Is this an OEM Cummins kit?
No—this is an aftermarket Interstate-McBee set built to OEM-equivalent specs. The OEM reference number is 4376091.
Can I use this on earlier 6.7L or 5.9L engines?
It is specified for 2013–2018 6.7L ISB applications. Earlier engines typically require different kit numbers—contact us with your ESN.
Do I need sealant during installation?
Use RTV only where the Cummins manual calls for it (e.g., joint corners and specific seams). Overuse can cause leaks.
Product Videos
Custom Field
YEAR 2013-2018
MAKE DODGE
ENGINE 6.7L
