| Size: | |
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| Cylinder Head Assembly Details | |
| Attributes | Details |
| Part Number (P/N) | 3925400/C3966454 (or 3966454) |
| Part Name | Cylinder Head Assembly / Complete Cylinder Head |
| Engine Model | Cummins 6B, 6BT, 6BTA, 6BTAA, 6D102 (5.9L, 12-valve model) |
| Number of Valves | 12 valves (2 valves per cylinder, 6 cylinders total) |
| Displacement | 5.9 liters (5.9L) |
| Material | Cast iron, with high tensile strength and a dense grain structure, good fatigue resistance |
| Components | Typically includes valves, valve springs, retainers, valve locks, valve stem seals, injector sleeves, etc. (Complete assembly) |
| Warranty Period | 6 months |
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The C3966454 cylinder head is widely used in various equipment and vehicles equipped for Cummins 5.9L 6BT series engines:
Commercial trucks: Dongfeng Dolica and Tianjin series, as well as Ford Cargo and Freight Liner models.
Construction machinery: Komatsu PC200-8 excavators, Hyundai R140LC-9S, R160LC-9S, R210-7, R220LC-7 excavators, etc.
Agricultural machinery: Various Case IH tractors and harvesters.
Pickups: Dodge Ram 2500, 3500 (12-valve version).
Other applications: Marine applications, generator sets, buses, etc.
Durability: Constructed from high-quality cast iron, designed for continuous operation and long service life.
Reliability: As a core component of the classic Cummins 6BT engine, its design is mature and stable, with a large market presence.
Compatibility: Designed specifically for 12-valve engines, ensuring perfect compatibility with original engine blocks, pistons, camshafts, and other components.
Optimized Design: Single cylinder head design (compared to a one-piece design), facilitating maintenance and replacement.
Cross Reference Numbers
C3966454 is compatible with or interchangeable with several other part numbers:
OEM Part Numbers: 3966454, 3925400, 3934747, 3917287, 3922691, 3922739, 3911273, 3928400, 3966452.
Other Manufacturer/Aftermarket Part Numbers: C3966454L1903A (with accessory assembly model).
