Vevor Cylinder Head Assembly 6.7L Cast Iron for 2007-2018 Dodge Cummins New
Customized engine Options
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Product Overview
This complete cylinder head assembly is designed as a direct replacement for 2007-2018 Dodge Cummins 6.7L engines used in Dodge Ram 2500, 3500, and 4500 models. Built from cast iron, it is made to handle high pressure, extreme temperatures, and corrosion for dependable long-term use. The assembly includes intake and exhaust valves, valve springs, seats, and locks to provide a solid foundation for an engine rebuild. Precision machining and factory testing help ensure proper fit, sealing integrity, and reliable engine performance. It is intended to help restore compression, combustion efficiency, and overall power output.
Brand new
1 year factory warranty
Manufacturer direct shipping from CA, NJ, & TX
Authorized Vevor Dealer
Features
- Precision Fit: Direct replacement for OEM part number 3977221. The cylinder head assembly is precisely engineered to meet exact specifications, designed for the 2007-2018 Dodge Cummins 6.7L engine, compatible with Dodge Ram 2500, 3500, and 4500 models
- Basic Kit: This engine cylinder head assembly includes a full set of intake and exhaust valves, valve springs, seats, and locks, providing a solid foundation for your engine rebuild. (Note: Camshaft, rocker arms, and lifters are not included.)
- High-Strength Cast Iron: This complete cylinder head is built from rigid cast iron, capable of withstanding high pressure, extreme temperatures, and corrosion. It resists deformation or cracking even under frequent use, delivering long-lasting durability
- Strict Quality Testing: Each cylinder head is built to match OEM parameters and undergoes rigorous factory testing, including 0.35-0.45 MPa water passage pressure and 2000 kPa valve guide sealing tests. It ensures reliable operation from the first startup
- Restore Engine Performance: This complete cylinder head assembly is designed to restore your engine's performance. It provides optimal compression ratio, efficient combustion, and recovered power output for smooth, dependable driving
Specifications
| Item Model Number | 129061101 |
| Part Number | 3977221 |
| Installation Location on Vehicle | Front |
| Fuel | Diesel |
| Engine Compatibility | 2007-2018 Dodge Cummins 6.7L |
| Vehicle Compatibility | Dodge Ram 2500, 3500, 4500 |
| Intake Valve Diameter | 1.3 in |
| Exhaust Valve Diameter | 1.3 in |
| Injector Type | Straight Hole |
| Injector Installation Hole Specification | M22 x 1.5 |
| Main Material | Cast Iron |
| Product Weight | 164.5 lbs |
| Dimensions | 31.1 x 13.8 x 4.9 in |
Package Contents
Cylinder head assembly
Intake valves
Exhaust valves
Valve springs
Seats
Locks
Warranty
This item comes with a 1 year factory warranty.






