Product Descreiption
1. Specifications
- Part Number: 3944593 (Cummins OE)
- Type: Hexagon flange head bolt (flanged hex cap screw)
- Size: M10 × 1.5 × 65 mm
- Strength Grade: 10.9 (high-tensile steel)
- Material: Alloy steel, heat-treated, anti-rust & anti-corrosion
- Fitment: Cummins 4BT/4BTA/6BT/6BTA/5.9L/6.7L/QSB/ISC/ISL engines; Dodge Ram, Freightliner, etc
2. Installation Position
- Installed between the exhaust manifold and cylinder head of the diesel engine.
- Secures each runner of the exhaust manifold to the corresponding cylinder head exhaust port.
- Qty per engine: 6–12 pcs (depends on engine model).
3. Function
- Secure Fastening: Clamps exhaust manifold tightly to cylinder head, maintaining seal under high temperature & vibration.
- Leak Prevention: Prevents exhaust gas leaks, ensuring engine power & reducing emissions.
- Heat Resistance: Withstands extreme exhaust heat (up to 600–800°C) without deformation or loosening.
- Vibration Damping: Flange design distributes clamping force evenly, resisting engine vibration-induced loosening.
