This Silver Inframe Kit fits any CAT C15 with an engine serial number starting with 6NZ or 9NZ, covering the 435–550 HP range. It builds on the Bronze kit by adding liners, piston body skirts, rings, wrist pins, liner seals, and piston crowns — giving you a more complete overhaul than a standard will-fit kit. No core charge required.
This Silver Kit includes:
- Rod & main bearing set
- Head gasket set
- Front cover gasket
- Oil pan gasket
- Injector Gasket Kit
- Exhaust manifold sleeves, high-temp studs & locking nuts
- Oil pan isolator assemblies
- Thermostats
- Advanced efficiency oil & fuel filters
- Liners, piston body skirts, rings, wrist pins & liner seals
- Piston crowns
| Part Number | Description | Quantity |
|---|---|---|
| 197-9322 | CYLINDER LINER | 6 |
| 180-7352 | 136.98MM DIAMETER PISTON CROWN | 6 |
| 132-6663 | 137.065MM BORE DIAMETER PISTON SKIRT | 6 |
| 524-5613 | 25.5MM INNER DIAMETER PISTON PIN | 6 |
| 7E-1177 | 51MM FREE HEIGHT PISTON PIN RETAINER | 12 |
| 177-7496 | 138MM GAGE DIAMETER PISTON TOP RING | 6 |
| 176-5749 | 137MM GAGE DIAMETER PISTON INTERMEDIATE RING | 6 |
| 189-9771 | 138MM GAGE DIAMETER PISTON OIL RING | 6 |
| 160-9874 | SINGLE CYLINDER LINER GASKET KIT | 6 |
| 603-6644 | ENGINE OVERHAUL KIT | 1 |
| 328-5573 | 97.20MM OUTER DIAMETER CONNECTING ROD BEARING | 6 |
| 243-6718 | CRANKSHAFT MAIN BEARING KIT | 1 |
| 345-7568 | OIL PAN & OIL PUMP GASKETS KIT | 1 |
| 345-7238 | CYLINDER HEAD INSTALL KIT | 1 |
| 248-1394 | SINGLE FUEL INJECTOR INSTALL GASKET KIT | 6 |
| 281-8261 | EXHAUST PORT SLEEVE | 6 |
| 242-9537 | ISOLATION SEAL GASKET | 3 |
| 247-7133 | WATER TEMPERATURE REGULATOR | 2 |
| 1R-1808 | ENGINE OIL FILTER | 1 |
| 1R-0749 | SECONDARY FUEL FILTER | 1 |
| 2U-1493 | 15.70MM INNER DIAMETER RING SEAL | 3 |
| 2U-1492 | 20.32MM INNER DIAMETER SEAL | 3 |
| 143-6642 | ENGINE BRAKE UPPER RING SEAL | 3 |
| 106-1792 | 100MM LONG TAPER LOCK STEEL STUD | 12 |
| 106-1793 | 60MM LENGTH TAPERED STUD | 1 |
| 8S-9191 | 3/8"-16 X 4" HEX HEAD BOLT | 6 |
| 391-2167 | 3/8"-16 HEX FLANGE NUT | 12 |
No cross reference information available for this product.