143-6642 Engine Brake Upper Seal Ring
Cat® Engine Brake System Upper Seal Ring
Description
The engine brake upper seal ring is made of materials compatible with the oils, temperatures, and pressures in the engine and machine. These parts are manufactured to precise technical specifications and are robust, durable, reliable, efficient, environmentally friendly, and reusable. The materials are wear-resistant and extrusion-resistant, providing the seal with outstanding compression set resistance.
Features
- High wear resistance
- Excellent resistance to oil, fuel and chemicals
- Flexible and elastic
- Low permeability
- Withstands temperatures from extreme cold to high heat without compromising sealing performance
Applications
This engine brake upper sealing ring is used to ensure proper sealing between the solenoid valve and the engine brake housing, and to adjust the axial clearance between them.
Specifications
| Cross-Section Width | 1.57 mm |
|---|---|
| Height | 2.21 in |
| Inside Diameter | 22.86 mm (0.9 in) |
| Material | Ductile Iron Casting |
| Outside Diameter | 8.25 in |
| Thickness | 1.75 mm |
| Weight | 7.6 lb |
Compatible Equipment
- Generator Sets: 3406B, 3406C
- Engines: C15, C18
- Compactors: C-15
- Wheel Loaders: 988G
- Off-Highway Trucks: 735, 740
Additional information
| Machine Model | |
|---|---|
| Equipment Type | Wheel Loaders, Off-Highway Trucks, Compactors, Engines, Generator Sets |
| Part Source | Genuine OEM |






