9U-8668 Torque Converter Relief Valve Spool
Cat® torque converter relief valve spool regulates oil pressure in automatic transmissions
Wholesale only · Full payment before shipment · Send your machine nameplate to confirm fitment
Description
Replacement spool group for relief valves, which release fluid when a safe threshold is reached to prevent excessive pressure buildup.
Features
Group includes relief spool, ball, spring, retainer, and retaining ring
Applications
Refer to your Operation and Maintenance Manual or contact MECHSC for more information.
Specifications
| Outside Diameter | 26.952 mm (1.061 in) |
|---|---|
| Overall Length | 97 mm (3.82 in) |
Compatible Equipment
- Motor Graders: 120H, 140H, 160K, 12K, 12H, 140K
- Track Loaders: 826K, 816F
- Cold Planers: TH55-E70, PL87, PL83, PL72
- Compactors: 834K, 824K, 825K, 816, 815, 814
- Dozers: D8, D6T, D6T LGP, D6N, D8T, D8R, D6R LGP, D6R, D6R XL, D7, D6R II, D10R
- Excavators: 621H, 621K, 3508B
- Wheel Loaders: 966 GC
- Off-Highway Trucks: 789, 777D, 772G, 793F, 770G, 730, 725, 775G, 740B, 785, 773F, 735, 777E, 773, 793, 777
- Asphalt Pavers: AD63
- Skid Steer Loaders: 24
Additional information
| Machine Model | 120H, 12H, 12K, 140H, 140K, 160K, 24, 3508B, 621H, 621K, 725, 730, 735, 740B, 770G, 772G, 773, 773F, 775G, 777, 777D, 777E, 785, 789, 793, 793F, 814, 815, 816, 816F, 824K, 825K, 826K, 834K, 966 GC, AD63, D10R, D6N, D6R, D6R II, D6R LGP, D6R XL, D6T, D6T LGP, D7, D8, D8R, D8T, PL72, PL83, PL87, TH55-E70 |
|---|---|
| Equipment Type | Excavators, Wheel Loaders, Track Loaders, Skid Steer Loaders, Dozers, Motor Graders, Off-Highway Trucks, Compactors, Asphalt Pavers, Cold Planers |
| Part Source | Genuine OEM |








