Product Description
Cummins 4376090 OEM Upper Engine Gasket Kit for 2013-2018 ISB 6.7L Cummins
The Cummins 4376090 OEM Upper Engine Gasket Kit is the complete factory sealing solution for 2013-2018 ISB 6.7L Cummins diesel engines. Designed by Cummins to meet exact OEM specifications, this upper engine gasket set includes the critical gaskets, seals, O-rings, and sealing components required during cylinder head replacement, injector service, turbocharger repairs, EGR maintenance, and complete top-end engine rebuilds. Genuine Cummins materials provide superior sealing performance, long-term durability, and dependable protection against coolant, oil, and combustion leaks.
Whether you're performing preventative maintenance or a major engine repair, the Cummins 4376090 kit helps ensure proper engine sealing and reliable operation under towing, commercial-duty, and high-load operating conditions. Unlike many aftermarket gasket kits, this genuine OEM Cummins package is engineered specifically for the ISB 6.7L platform to deliver factory fitment and long service life.
Features
- Genuine Cummins OEM upper engine gasket kit
- Designed for 2013-2018 ISB 6.7L Cummins engines
- Complete top-end sealing solution
- Includes major gaskets, seals, O-rings, and sealing washers
- Ideal for cylinder head replacement and top-end rebuilds
- Supports injector, turbocharger, intake, and EGR service
- OEM-quality materials for superior durability
- Provides proper oil, coolant, and combustion sealing
- Direct-fit replacement for factory gasket components
- Excellent choice for maintenance, repairs, and engine overhauls
Fitment
- 2013 Ram 2500 6.7L Cummins ISB
- 2014 Ram 2500 6.7L Cummins ISB
- 2015 Ram 2500 6.7L Cummins ISB
- 2016 Ram 2500 6.7L Cummins ISB
- 2017 Ram 2500 6.7L Cummins ISB
- 2018 Ram 2500 6.7L Cummins ISB
- 2013-2018 Ram 3500 6.7L Cummins ISB
- 2013-2018 Ram 4500 6.7L Cummins ISB
- 2013-2018 Ram 5500 6.7L Cummins ISB
- Commercial and chassis cab 6.7L Cummins ISB applications
Fitment Note: Cummins recommends verifying fitment by Engine Serial Number (ESN) before ordering, as gasket contents can vary based on emissions configuration and engine build specifications.
What's Included
- Cylinder head gasket
- Valve cover gasket components
- Valve stem seals
- Injector tube seals and O-rings
- Turbocharger mounting gasket
- Exhaust manifold gaskets
- EGR gaskets and seals
- Intake manifold gaskets
- Breather gasket
- Thermostat seal
- Oil drain gaskets
- Rocker housing gasket
- Additional OEM sealing washers, O-rings, and upper-engine seals
Specifications
- Manufacturer: Cummins
- Part Number: 4376090
- Product Type: OEM Upper Engine Gasket Kit
- Engine Compatibility: ISB 6.7L Cummins
- Fitment Years: 2013-2018
- Kit Contents: Upper Engine Gaskets, Seals, O-Rings, and Sealing Components
- Primary Applications: Cylinder Head Service, Injector Replacement, Turbocharger Service, EGR Repairs, Top-End Engine Rebuilds
- Condition: New Genuine Cummins OEM Part
- Approximate Weight: 5.3-6.0 Pounds
- Package Dimensions: Approximately 35.8 x 9.8 x 2.0 Inches
- Engine Family: Cummins ISB 6.7L
- Installation Recommendation: Verify ESN Before Ordering
Cross Reference Numbers
4376090, 4932210, 5266419, 5264568, 5253019, 3979769, 5367847, 4891288, 4991571, 3963379, 3947530
FAQ
What does the Cummins 4376090 gasket kit include?
The kit includes the major upper-engine sealing components required during top-end repairs, including the cylinder head gasket, injector seals, intake and exhaust gaskets, turbocharger gasket, EGR gaskets, valve stem seals, O-rings, and sealing washers. Exact contents may vary by engine serial number.
Does the Cummins 4376090 include the cylinder head gasket?
Yes. The OEM Cummins 4376090 Upper Engine Gasket Kit includes the cylinder head gasket as part of the complete upper-engine sealing package.
Should I verify fitment using my engine serial number?
Yes. Cummins recommends verifying fitment by ESN because gasket contents can vary depending on engine configuration and emissions package.
Is this a genuine OEM Cummins gasket kit?
Yes. Cummins 4376090 is a genuine OEM upper engine gasket kit manufactured to Cummins specifications for factory fit, sealing performance, and durability.
When should the upper engine gasket kit be replaced?
This kit is commonly used during cylinder head replacement, injector service, turbocharger repairs, EGR maintenance, valve train service, and complete upper-engine rebuilds where multiple sealing components are replaced at the same time.
Why choose a genuine Cummins gasket kit?
Genuine Cummins gasket kits are engineered specifically for ISB operating conditions and provide OEM fitment, sealing integrity, and long-term reliability compared to many aftermarket alternatives.