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What it typically includes:
Cylinder Head Gasket
Valve Stem Seals (Intake & Exhaust)
Rocker Cover Gasket
Injector Sleeve O-rings
Various other gaskets and seals for the top end of the engine.
This is a more complete kit for a top-end rebuild without removing the engine block.
OEM Part Number: 3966448
What it typically includes:
All components from the Cylinder Head Gasket Kit (3966449)
Piston Rings
Connecting Rod Bearings
Main Bearings
Gaskets for the oil pan, timing gear cover, etc.
Note: This kit assumes you are reusing the existing pistons and liners.
| Kit Type (Common Name) | Official Cummins Description | Likely OEM Part Number | Key Components |
|---|---|---|---|
| Upper Repair Kit | Cylinder Head Gasket Kit | 3966449 | Head gasket, valve seals, rocker cover gasket. |
| Comprehensive Upper Kit | In-Frame Overhaul Kit | 3966448 | Includes Kit 3966449, plus piston rings, rod & main bearings. |
| Upper & Lower Repair Kit | Major Overhaul Kit | 3966447 | Includes Kit 3966448, plus pistons and cylinder liners. |
Foton : This is the most significant partner. The ISF2.8 is the primary powerplant for many of Foton's vehicles globally.
Trucks: Foton Tunland (pickup truck), Foton Aumark (light-duty truck), Foton Ollin (light-duty truck).
Vans & Buses: Foton View (van), various Foton light buses.
Dongfeng: A massive Chinese manufacturer that uses the ISF2.8 in many of its light and medium-duty truck series.
JAC: Another major Chinese automaker that employs the ISF2.8 in its light trucks (e.g., JAC Shuailing series) and other commercial vehicles.
Changan: Uses the engine in its light-duty truck models.
The ISF2.8 is a very common option across the Chinese commercial vehicle landscape, including but not limited to:
JMC (Jiangling Motors Corporation -): In some of their light-duty truck models.
Shaolin Bus: In light buses.
Yutong : The world's largest bus manufacturer, uses the ISF2.8 in some of its smaller buses and coaches.
King Long : Similarly, in light buses and specialty vehicles.
