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144-0751 Air Compressor GP is a genuine OEM compressor assembly designed for reliable air delivery in braking and pneumatic systems on CAT C-series engines. This group includes core compressor components such as the crankcase, cylinder block, compressor head, valves, gaskets, bearings and all necessary mounting hardware. Engineered for long service life, stable output and compatibility with demanding mining, industrial and marine applications.
Included Parts — 1440751
| Ref. No. | Part Number | Alternative Number | Qty | Part Name |
|---|---|---|---|---|
| 1 | 0S-1619 | 0S1619 | 5 | Bolt (3/8-16 × 3 in) |
| 2 | 0L-1352 | 0L1352 | 1 | Bolt (3/8-16 × 3.25 in) |
| 3 | 5M-2894 | 5M2894 | 1 | Washer – Hard (10.2 × 18.5 × 2.5 mm) |
| 4 | 0S-1615 | 0S1615 | 2 | Bolt (1/4-20 × 0.75 in) |
| 5 | 3B-4504 | 3B4504 | 2 | Lockwasher |
| 6 | 8T-6762 | 8T6762 | 1 | Plug – Pipe |
| 7 | 1A-2029 | 1A2029 | 6 | Bolt (3/8-16 × 1.125 in) |
| 8 | 3B-4506 | 3B4506 | 6 | Lockwasher |
| 9 | 7N-7446 | 7N7446 | 1 | Gasket – Air Compressor |
| 10 | 8T-6764 | 8T6764 | 1 | Plug – Pipe |
| 11 | 7N-7441 | 7N7441 | 1 | Cover – Air Compressor |
| 12 | 7N-7442 | 7N7442 | 1 | Gasket – Air Compressor |
| 14 | 7N-7440 | 7N7440 | 1 | Gasket – Air Compressor |
| 15 | 7N-7439 | 7N7439 | 1 | Plate – Cover |
| 16 | 0S-1617 | 0S1617 | 6 | Bolt (5/16-18 × 0.75 in) |
| 17 | 3B-4505 | 3B4505 | 6 | Lockwasher |
| 18 | 117-5029 | 1175029 | 1 | Crankcase – Compressor |
| 19 | 4W-9489 | 4W9489 | 1 | Lock Ring |
| 20 | 8H-9789 | 8H9789 | 2 | Ball Bearing |
| 21 | 7N-7445 | 7N7445 | 1 | Cylinder Block |
| 22 | 7N-7448 | 7N7448 | 1 | Gasket – Air Compressor |
| 23 | 7N-7447 | 7N7447 | 1 | Head Assembly – Compressor |
| 24 | 7X-7732 | 7X7732 | 2 | Plug – Pipe |
| 25 | 7N-7450 | 7N7450 | 1 | Cover – Unloader |
| 26 | 7N-7451 | 7N7451 | 1 | Gasket – Unloader |
| 27 | 034-4160 | 0344160 | 2 | Bolt – Locking (5/16-18 × 1 in) |
| 28 | 146-0835 | 1460835 | 2 | Stud – End Cover |
| 29 | 138-9057 | 1389057 | 1 | Valve – Air Compressor |
| 30 | 130-5997 | 1305997 | 1 | Information Plate |
Available Repair Kits
| Kit Number | Description |
|---|---|
| 144-0502 | Piston Ring Kit (standard) — includes piston rings & envelopes |
| 144-0503 | Piston & Ring Kit (standard) — includes piston, ring set, pin & pin buttons |
| 7N-7435 | Major Air Compressor Repair Kit — valves, seats, bearings, springs, gaskets, seals, pins, washers, guides |
| 138-2887 | Rod & Bearing Kit (.010 oversize) — rod assembly + bearing set |
Explore our complete CAT C12 spare parts catalog for more compressor assemblies, seals and hardware components.
If the part you need is not listed — contact our specialists. We will help you identify and source the correct OEM component based on the part number, engine model or technical documentation.