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175-2173 Air Compressor GP is an OEM-grade assembly designed for the CAT C12 engine, ensuring stable air supply, correct mechanical alignment and long-term durability in mining, construction, marine and industrial applications. All components listed below meet Caterpillar factory specifications for reliability and fitment.
Included Parts — 1752173
| Ref. No. | Part Number | Alternative Number | Qty | Part Name |
|---|---|---|---|---|
| 1 | 5P-9615 | 5P9615 | 1 | Connector |
| 2 | 6V-8197 | 6V8197 | 3 | Bolt (M12 × 1.75 × 40 mm) |
| 3 | 9M-2904 | 9M2904 | 1 | Clamp — Hose |
| 4 | 090-8635 | 0908635 | 1 | Spacer (5 mm thick) |
| 5 | 117-0221 | 1170221 | 1 | Ring — Pilot |
| 6 | 126-0146 | 1260146 | 1 | Hose — Fumes Disposal |
| 7 | 129-2181 | 1292181 | 1 | Seal — Integral |
| 8 | 131-2171 | 1312171 | 1 | Connector |
| 9 | 160-8137 | 1608137 | 1 | Gear — Air Compressor (42 teeth) |
| 10 | 162-8781 | 1628781 | 1 | Bracket |
| 11 | 163-6367 | 1636367 | 1 | Air Compressor GP |
| 12 | 166-6359 | 1666359 | 1 | Tube Assembly |
| 13 | 172-4702 | 1724702 | 2 | Clamp |
| 14 | 178-9419 | 1789419 | 1 | Tube Assembly |
| 15 | 179-6613 | 1796613 | 1 | Hose |
| 16 | 118-4728 | 1184728 | 2 | Elbow |
| 17 | 1B-3581 | 1B3581 | 1 | Clip (6.35 mm ID) |
| 18 | 2S-2053 | 2S2053 | 1 | Clip |
| 19 | 3E-4353 | 3E4353 | 1 | Washer — Hard (11 × 25 × 3 mm) |
| 20 | 3N-1294 | 3N1294 | 1 | Elbow |
| 21 | 5P-7970 | 5P7970 | 2 | Nut (M8 × 1.25 thread) |
| 22 | 5P-8245 | 5P8245 | 3 | Washer — Hard (13.5 × 25.5 × 3 mm) |
| 23 | 6V-3251 | 6V3251 | 1 | Seal — O-Ring |
| 24 | 6V-3668 | 6V3668 | 1 | Bolt (M12 × 1.75 × 30 mm) |
| 25 | 6V-4248 | 6V4248 | 2 | Bolt (M10 × 1.50 × 25 mm) |
| 26 | 6V-5048 | 6V5048 | 1 | Seal — O-Ring |
| 27 | 6V-5063 | 6V5063 | 1 | Seal — O-Ring |
| 28 | 6V-5839 | 6V5839 | 1 | Washer (11 × 21 × 2.5 mm) |
| 29 | 6V-6609 | 6V6609 | 3 | Seal — O-Ring |
| 30 | 6V-7742 | 6V7742 | 1 | Nut — Full (M20 × 2.50 thread) |
| 31 | 7D-1649 | 7D1649 | 1 | Washer-Hard (13.5 × 32 × 5 mm) |
| 32 | 8M-2770 | 8M2770 | 1 | Clip |
| 33 | 8T-3282 | 8T3282 | 1 | Washer-Hard (22 × 35 × 3.5 mm) |
| 34 | 9N-0869 | 9N0869 | 2 | Washer-Hard (8.8 × 25.5 × 2 mm) |
| 35 | 9S-8008 | 9S8008 | 1 | Plug — O-Ring |
Explore our complete CAT C12 spare parts catalog to find additional components for compressors, air systems, gaskets, seals and hardware.
If the part you need is not listed — contact our specialists. Our team will quickly help you identify and supply the correct OEM or compatible component.