Product Description
Cummins 4955355 — OEM Lower Engine Gasket Kit for Ram 6.7L (2007.5–2010)
The CUMMINS 4955355 OEM LOWER ENGINE GASKET KIT is the genuine bottom-end sealing solution for early 6.7L ISB Ram 2500/3500 trucks (2007.5–2010). Built to Cummins engineering specs, this complete lower engine gasket set gives you the oil pan, crank seals, cooler and filter head gaskets, and critical o-rings you need for a leak-free reseal after a rebuild or major service. When you want OE fitment, durability, and long-term reliability, this genuine Cummins 4955355 kit is the go-to choice.
Why This Genuine Cummins Lower Gasket Kit?
- Complete OE lower-end kit for 6.7L Cummins ISB EPA07 Ram pickups (2007.5–2010).
- Includes critical gaskets, seals, and o-rings for oil pan, gear housing, cooler, and filter interfaces.
- Direct-fit geometry and materials for long-term sealing under towing and heavy-duty use.
- Perfect match when paired with the Cummins upper engine gasket kit for a full overhaul.
- Backed by Cummins engineering and sold by CPP Diesel, a diesel-only specialist.
Verified Fitment – Automotive
Engine: Cummins ISB 6.7L (24-valve, common-rail, EPA07)
- 2007.5–2010 Ram 2500 6.7L Cummins (pickups)
- 2007.5–2010 Ram 3500 6.7L Cummins (pickups)
This kit is targeted to early 6.7L EPA07 trucks with the factory VGT turbo and common-rail fuel system. Always confirm by VIN and engine serial number (ESN) before ordering, especially on cab-and-chassis or commercial variants.
What’s Included (Typical Contents)
Exact contents are defined by the Cummins bill of materials, but a typical 4955355 lower engine gasket kit will include:
- Oil pan gasket(s) for ISB 6.7 lower crankcase sealing.
- Front and rear crankshaft seals and associated cover gaskets.
- Gear/timing housing gaskets and related cover gaskets.
- Oil cooler and filter head interface gaskets and o-rings.
- Rectangular sealing rings for oil passages and housings.
- Multiple o-rings, sealing washers, and small seals for the lower end.
For a full component breakdown, reference the Cummins service literature or the included documentation with your kit.
Cross-Reference Cummins OEM Companions
For a complete engine reseal and related repairs on 6.7L Cummins platforms, many shops pair 4955355 with these genuine Cummins parts available from CPP Diesel:
- CUMMINS 4955354 OEM UPPER ENGINE GASKET KIT – ISB 6.7L (2007.5–2018) STANDARD THICKNESS – top-end kit for head gasket, intake, and exhaust sealing.
- CUMMINS 4337615 OEM ENGINE OIL PAN GASKET – ISB 6.7L (2007.5–2018) – segmented OE oil pan gasket to finish off the bottom end.
- CUMMINS 4955522 OEM LOWER ENGINE GASKET SET – ISB 6.7L (2011–2012) – the correct follow-on lower kit for later EPA10 trucks.
- CUMMINS 4376091 OEM LOWER ENGINE GASKET KIT – ISB 6.7L (2013–2018) – lower gasket kit for 2013–2018 Ram 6.7L applications.
Installation Tips
- Thoroughly clean all mating surfaces; remove old gasket material and RTV without scratching aluminum.
- Follow the Cummins service manual for torque specs and tightening sequences.
- Use RTV sealant only where the Cummins procedure specifies (corners, seams, etc.).
- Inspect the oil pan and covers for warpage or damage and replace as needed.
- Prime the oil system after reassembly and recheck for seepage after the first heat cycle.
Specifications for cummins 4955355
| Brand | Cummins (Genuine OEM) |
| Manufacturer Part Number | 4955355 |
| UPC | 193807141721 |
| GTIN | 193807141721 |
| Application | Ram 2500/3500 with Cummins ISB 6.7L (EPA07), 2007.5–2010 model years |
| Engine Family | Cummins ISB/QSB 6.7L, automotive EPA07 light-duty diesel |
| Kit Type | Lower engine gasket kit (bottom-end reseal) |
| Cross Reference | PAI 131869 (aftermarket equivalent, for reference only) |
| E-Codes / Emissions Family | EPA07 automotive 6.7L ISB (verify by ESN for exact certification family) |
| Shipping Dimensions (approx.) | 16.00 in (W) × 1.38 in (H) × 37.50 in (D) |
| Shipping Method | Ground – typically ships flat in OE packaging; Free Shipping from CPP Diesel (where indicated) |
| Country of Origin | As noted on Cummins packaging (OE production) |
| Prop 65 | Not specifically listed; always follow general automotive Prop 65 guidance for diesel vehicles and service chemicals used during installation. |
FAQ
WILL THIS FIT MY 2007.5–2010 6.7L CUMMINS RAM?
Yes. Cummins 4955355 is the OE lower engine gasket kit for most 2007.5–2010 Ram 2500/3500 trucks equipped with the ISB 6.7L EPA07 engine. Always verify with your VIN and engine serial number (ESN) before ordering.
WHAT DOES THIS LOWER GASKET KIT ACTUALLY COVER?
This kit focuses on the bottom end of the engine: oil pan, crank seals, gear housing, oil cooler and filter head interfaces, and associated passages and covers. It includes the common gaskets, o-rings, and sealing washers that tend to leak after years of heat cycles and heavy use.
DO I ALSO NEED THE UPPER ENGINE GASKET KIT?
If your job involves head removal, valve work, or a full overhaul, you should also install the matching upper kit, CUMMINS 4955354 OEM UPPER ENGINE GASKET KIT . For lower-end only repairs (oil pan reseal, gear housing leaks, etc.), 4955355 is usually sufficient by itself.
IS THIS A GENUINE CUMMINS KIT OR AFTERMARKET?
This listing is for a genuine Cummins OEM 4955355 kit sold through CPP Diesel. We also stock select aftermarket options on separate part numbers, but this SKU is OE.
WILL THIS WORK ON 2011+ 6.7L CUMMINS TRUCKS?
No. 2011–2012 Ram 6.7L trucks typically use the CUMMINS 4955522 OEM LOWER ENGINE GASKET SET , and 2013–2018 models use CUMMINS 4376091 OEM LOWER ENGINE GASKET KIT . Always match by ESN and emissions family when you’re unsure.
