322-9663 Exhaust Valve Seat Insert
Cat® Exhaust Valve Seat Insert for Cylinder Head
Description
Cat valve seat inserts work together with Cat valves to seal the combustion chamber by controlling intake and exhaust. Cat valve seat inserts withstand extreme temperatures, stress, and corrosive gases.
Features
- Valve seat insert
- OEM direct replacement part
Applications
The Cat exhaust insert is a common service and repair part in small repair shops or when servicing vehicles in the field, and is typically used in cylinder head groups. Refer to your Operation and Maintenance Manual or contact MECHSC for more information.
Specifications
| Overall Width | 8 mm (0.3 in) |
|---|---|
| Overall Height | 8 mm (0.3 in) |
| Overall Length | 43 mm (1.7 in) |
Compatible Equipment
- Generator Sets: C4.4, C4.4DE88E0, C3.3DE33E0, C3.3DE50E0
- Cold Planers: TH360B
- Wheel Excavators: IT14G
- Compactors: CS12 GC, CP12 GC, CB-534D, CB-564D, CS12, CB-434D, CS11, CP11 GC, CS-533E
- Excavators: 316 GC, 432, 318D2 L, 313D2, 312D2 L, 315C, 320D2 GC, 312D2, 313D2 GC, 312D2 GC, 428F, 416F2, 416E, 434F2, 320D2
- Skid Steer Loaders: 313D2 LGP
Additional information
| Machine Model | 312D2, 312D2 GC, 312D2 L, 313D2, 313D2 GC, 313D2 LGP, 315C, 316 GC, 318D2 L, 320D2, 320D2 GC, 416E, 416F2, 428F, 432, 434F2, C3.3DE33E0, C3.3DE50E0, C4.4, C4.4DE88E0, CB-434D, CB-534D, CB-564D, CP11 GC, CP12 GC, CS-533E, CS11, CS12, CS12 GC, IT14G, TH360B |
|---|---|
| Equipment Type | Excavators, Wheel Excavators, Skid Steer Loaders, Compactors, Cold Planers, Generator Sets |
| Part Source | Genuine OEM |








