Product Description
MAHLE JV1617 is an OE-quality one-piece rear crankshaft oil seal for the 1992–2000 GM 6.5L diesel platform. It’s built to OE specs to stop rear main leaks and restore factory sealing performance.
Fitment
- 1992–2000 Chevrolet/GMC 6.5L Diesel (all applicable light-duty truck/van models)
Cross Reference / Alternatives
- GM OE: 23503969 (Rear Crankshaft Oil Seal)
- Victor Reinz: JV1617
- Corteco: 17271
- Fel-Pro: BS40604 (engine crankshaft seal kit)
- GTIN/UPC: 725975621677
What’s Included
- (1) One-piece rear main seal
FAQ
Will this fit all 6.5L trucks from 1992–2000?
Yes. It’s listed for 1992–2000 GM 6.5L diesel applications. Always verify by VIN/build details before installation.
Is this a one-piece seal?
Yes—JV1617 is a one-piece rear main seal designed to meet or exceed OE sealing performance.
What OE and aftermarket numbers does it cross to?
Common equivalents include GM 23503969, Victor Reinz JV1617, Corteco 17271, and Fel-Pro BS40604.
Any installation tips?
Inspect crank flange for wear, clean the bore, lightly oil the seal lip, and use the proper driver to seat the seal squarely. Check for other rear-of-engine leak sources (e.g., cam plug) during service. (General best practices.)