饾棧饾椏饾椉饾棻饾槀饾棸饾榿 饾棗饾棽饾榾饾棸饾椏饾椂饾椊饾榿饾椂饾椉饾椈
路 Solve Compatibility Issues
This cylinder head assembly is precision-engineered for 2007-2018 Dodge Ram with Cummins 6.7L engine. It's manufactured to precise OEM specifications for an exact fit, helping you avoid installation issues. Please confirm your truck model and engine for optimal compatibility.
路 Ready to Install
The engine cylinder head assembly comes pre-installed with essential components, reducing assembly steps and saving installation time. Please select the correct injectors for your model, keep the workspace clean, and have a professional perform the installation.
路 Long Service Life
Built from durable cast iron, our cylinder head features outstanding impact resistance and wear performance. It remains stable under the engine's high-temperature, high-pressure conditions, helping avoid deformation or damage for long-term reliability.
路 Reliable Quality
The complete cylinder head is precisely engineered to seal the top of the engine cylinder and form a stable combustion chamber. Every unit is accurately machined and thoroughly inspected before delivery to ensure precise fitment and exceptional sealing integrity.
路 Efficient Problem Solver
If your vehicle suffers from vibration, severe oil leakage, deformation, or oil-fouled spark plugs, it's time to upgrade to this premium complete cylinder head assembly. It helps increase horsepower, improve fuel efficiency, and reduce emissions for a smoother driving experience.
路 Installation Tips
For the optimal results, assemble the engine cylinder head replacement using professional tools and strictly follow the specified torque values, tightening sequence, and method. All critical installation parameters are clearly detailed in the included instruction manual.
饾棪饾椊饾棽饾棸饾椂饾棾饾椂饾棸饾棶饾榿饾椂饾椉饾椈饾榾
Item Model Number: 129061101
Part Number: 3977221
Installation Location on Vehicle: Front
Fuel: Diesel
Intake Valve Diameter: 1.3 in/33 mm
Exhaust Valve Diameter: 1.3 in/33 mm
Injector Type: Straight Hole
Injector Installation Hole Specification: M22 x 1.5
Main Material: Cast Iron
Product Weight: 164.5 lbs/74.6 kg
Product Dimensions: 31.1 x 13.8 x 4.9 in/790 x 350 x 125 mm
饾棧饾棶饾棸饾椄饾棶饾棿饾棽 饾棖饾椉饾椈饾榿饾棽饾椈饾榿
1 x Cylinder Head Assembly
1 x User Manual
路 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
路 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.)
路 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
路 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
路 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
