Product Description
The CUMMINS 4955354 OEM UPPER ENGINE GASKET KIT provides every major sealing component needed to reseal the top end of the 6.7L ISB Cummins engine. Engineered to OE tolerance and constructed using Cummins-approved materials, this standard-thickness upper gasket kit ensures proper cylinder sealing, coolant control, oil retention, and long-term durability—critical for any top-end repair, head gasket replacement, or major engine service.
This kit is genuine Cummins—not aftermarket—giving you factory-correct fitment, consistent crush characteristics, and dependable sealing on emissions-equipped or deleted 6.7L Cummins engines. Hidden high-impact SEO tags included below:
What’s Included
- Standard thickness head gasket
- Intake manifold gaskets
- Exhaust manifold gaskets
- Valve cover gaskets
- Injector seal set
- Thermostat housing gasket
- Upper coolant passage seals
- Misc. O-rings and sealing washers required for upper engine service
Fitment
Designed for the following ISB Cummins applications:
- 2007.5–2018 Ram 2500 6.7L Cummins
- 2007.5–2018 Ram 3500 6.7L Cummins
- 2007.5–2018 Ram 4500/5500 chassis cab 6.7L Cummins
Engine Family: ISB 6.7L (Common Rail)
Head Gasket: Standard thickness
Always confirm by VIN or engine serial number when performing top-end work.
Cross-Reference (Identification Only)
- Cummins 4955354 (this kit)
- Cummins 2881717 (related upper gasket package)
- Cummins 4309458 (component-level gasket references)
Cross-reference numbers are for ID only—verify configuration before ordering.
Related Genuine Cummins Components
- CUMMINS 3804899 OEM FRONT CRANKSHAFT SEAL – 5.9L/6.7L
- CUMMINS 3937111 FRONT CRANKSHAFT SEAL SERVICE KIT – 5.9L
- CUMMINS 3920706 OEM TURBO DRAIN EXPANSION PLUG – 5.9L/6.7L
Installation Notes
- Verify head gasket thickness before installation.
- Inspect deck surface and cylinder head for flatness.
- Replace head bolts or upgrade to studs where required.
- Re-torque intake and exhaust components per Cummins specifications.
- Prime cooling system and bleed air after reassembly.
Specifications for cummins 4955354
| Specification | Detail |
|---|---|
| Brand | Cummins (Genuine OEM) |
| Part Number | 4955354 |
| Engine Compatibility | 2007.5–2018 ISB 6.7L Cummins (Ram 2500/3500/4500/5500) |
| Gasket Thickness | Standard |
| GTIN | Not published by Cummins |
| UPC | Not published by Cummins |
| Shipping Weight | Approx. 4–6 lbs |
| Shipping Dimensions | 24 × 12 × 3 in (estimated) |
| Shipping Method | Ships via standard ground from CPP Diesel warehouse |
| Cross Reference | 4955354, 2881717, 4309458 (ID only) |
| E-Codes | Not specified |
| Prop 65 Warning | This product may contain materials known to the State of California to cause cancer or reproductive harm. For more information: www.P65Warnings.ca.gov |
FAQ
IS CUMMINS 4955354 THE CORRECT UPPER GASKET KIT FOR MY 6.7L CUMMINS?
Yes—this kit fits 2007.5–2018 ISB 6.7L engines. Because Ram applications vary by model year and emissions level, CPP Diesel recommends verifying your VIN or ESN before purchasing.
IS THIS A STANDARD-THICKNESS HEAD GASKET?
Yes, this OE kit includes the standard-thickness 6.7L Cummins head gasket. If your head or block has been machined, you may require an alternate thickness.
IS THIS A GENUINE CUMMINS PRODUCT?
Absolutely—CPP Diesel sells only authentic Cummins 4955354 OEM gasket kits. No aftermarket substitutions, no re-boxed components.
WHAT OTHER PARTS SHOULD I REPLACE DURING A HEAD GASKET JOB?
Most technicians also replace the front crank seal, turbo drain plug, and other upper-engine seals. We recommend: CUMMINS 3804899 FRONT CRANK SEAL and CUMMINS 3920706 TURBO DRAIN PLUG .
