Description
The Crank Kit 128400 is a precision remanufactured crankshaft kit engineered for 6.2L / 379 OHV V8 and 6.5L / 395 OHV V8 GM Diesel and Turbo Diesel engines. Designed for engines with a 1-piece rear main seal, this crank kit ensures reliable performance and durability. Manufactured with forging number 23502592, it includes high-quality bearings for precise installation and meets or exceeds OEM specifications. Whether you’re repairing or rebuilding an engine, this crankshaft kit provides the reliability and fit you need for optimal engine functionality.
Compatibility Table:
| Make | User Engine | Year Range | Notes |
|---|---|---|---|
| GM, CHEVROLET | 6.2L / 379 OHV V8 16V “C, J” GM Diesel 3.976″ Bore | 92-93 | Engines with 1pc. rear main seal. Includes bearings. Forging # 23502592. Check for proper physical match before installation. |
| GM, CHEVROLET | 6.5L / 395 OHV V8 16V “F, P, S, Y” GM Diesel 103.00mm Bore | 92-02 | Engines with 1pc. rear main seal. Includes bearings. Forging # 23502592. Check for proper physical match before installation. |
| Hummer | 6.5L / 395 OHV V8 “F” GM Turbo Diesel 103.00mm Bore | 02-02 | Engines with 1pc. rear main seal. Includes bearings. Forging # 23502592. Check for proper physical match before installation. |
Interchange Numbers:
- Crankshaft Rebuilders: 12890
Delivery Information:
Next-day delivery is available in many regions for orders placed before 2 pm EST, ensuring quick turnaround times for urgent engine repair needs.
Check the specifications tab for additional information.










