This inframe kit fits any CAT C15 with an engine serial number starting with 6NZ or 9NZ, covering the 435–550 HP range. This is a Bronze-level inframe kit upgraded with Cat Reman Cylinder Pack Assemblies — rods, pistons, rings, and liners come preassembled, saving 4 to 6 hours of labor compared to a standard silver kit. All critical components are included for a professional inframe without removing the engine block.

The GOLD Kit Includes:

  • Rod & main bearing set
  • Head gasket set
  • Front cover gasket
  • Oil pan gasket
  • Kit gasket (single fuel injector)
  • 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
  • Connecting rods

CORE PRICE: $2,236.10

Part Number Description Quantity
0R-8915 CAT REMAN CYLINDER PACK 6
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
571-9902 KIT - CYLINDER HEAD GASKET 1
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
5H-7704 94.61MM INNER DIAMETER CATALYST SEAL O-RING 2
139-3550 1.6MM THICK REGULATOR HOUSING GASKET 1
142-2329 11.70MM THICK DRAINBACK OIL SEAL 1
160-7271 6.36MM THICK PRESS SEAL 1
5E-8771 120.32MM INNER DIAMETER O-RING SEAL 1
6X-7430 1.4 X 25.63MM 90A FKM O-RING 6
6V-5050 2.95 X 23.47MM 75A FKM O-RING 1
2N-2766 3/8"-16 CONE LOCK NUT 4
3E-6772 17.90MM INNER DIAMETER WATER SEAL 24
272-2583 2.62 X 53.64MM 75A FKM O-RING 1
114-2687 5.33 X 23.16MM 78A HNBR O-RING 1
6V-3251 2.46 X 19.18MM 70A EPDM O-RING 1
117-8801 2.62 X 126.67MM 75A FKM O-RING 1
6V-5048 1.83 X 8.92MM 75A FKM O-RING 1
5P-0840 3.53 X 12.29MM 75A FKM O-RING 2
214-7568 STOR O-RING SEAL (SAE 9/16-18) 13
227-1204 0.2MM THICK ENGINE CYLINDER BLOCK GASKET 1
103-6045 MULTIPLE CAM ACCESS COVER RUBBER O-RING SEAL 1
198-6068 1.71MM THICKNESS EDGE BONDED SEAL GASKET 1
112-3102 15.54MM INSIDE DIAMETER SEAL-O-RING 2
166-2904 2.62 X 34.59MM 80A TFEP O-RING 12
4N-1156 1.2MM THICK RADIATOR WATER LINES GASKET 1
35-9643 ROTATING SHAFT LIP TYPE SEAL 2
2N-2765 3/8"-16 X 1 3/4" HEX FLANGE HEAD BOLT 4
8L-2786 2.21 X 16.36MM 75A FKM O-RING 4
8L-2777 2.62 X 10.77MM 75A FKM O-RING 4
6V-1197 98.02MM INNER DIAMETER O-RING SEAL 1
126-2702 EDGE BONDED SEAL GASKET 1
6V-0128 46.50MM LONG CONNECTOR SEAL 1
5P-5678 ENGINE RIBBON SEAL 3
3K-0360 2.21 X 16.36MM 90A NBR O-RING 1

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