HomeEngine > Gaskets and Sealing SystemsMahle JV1669 Engine Crankshaft Seal - Rear
Part #: JV1669

Mahle JV1669 Engine Crankshaft Seal - Rear

Rear
⚙️ 49 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Avalanche 2500, Express 3500, Savana 3500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, Suburban 2500, and Yukon XL 2500
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Reliable Engine Crankshaft Seal for Chevrolet and GMC Trucks

The Mahle JV1669 engine crankshaft seal is designed to provide a durable and precise seal for heavy-duty Chevrolet and GMC vehicles. Engineered with polytetrafluoroethylene (PTFE) material, this one-piece seal meets OEM standards to ensure consistent performance and longevity.

  • OEM standard item grade for dependable quality
  • Constructed from polytetrafluoroethylene (PTFE) for enhanced chemical and temperature resistance
  • One-piece seal style for simplified installation and reliable sealing
  • Compatible with multiple Chevrolet and GMC heavy-duty models
  • Part number JV1669 for accurate identification and fitment

Durable PTFE Material and OEM Standard Quality

The Mahle JV1669 crankshaft seal utilizes PTFE, a material known for its excellent resistance to heat, chemicals, and wear. This ensures the seal maintains integrity under demanding engine conditions. The one-piece design reduces potential leak points and simplifies installation. Manufactured to OEM standards, this seal provides a precise fit and reliable sealing performance for Chevrolet Avalanche 2500, Express 3500, Savana 3500, Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, Silverado 3500, Suburban 2500, and Yukon XL 2500 models.

Compatible Chevrolet and GMC Models

This engine crankshaft seal is compatible with a range of Chevrolet and GMC heavy-duty trucks and vans, including:

  • Chevrolet Avalanche 2500
  • Chevrolet Express 3500
  • Chevrolet Savana 3500
  • Chevrolet Sierra 2500 HD and Sierra 2500 HD Classic
  • Chevrolet Sierra 3500 and Sierra 3500 Classic
  • Chevrolet Silverado 2500 HD and Silverado 2500 HD Classic
  • Chevrolet Silverado 3500 and Silverado 3500 Classic
  • Chevrolet Suburban 2500
  • GMC Yukon XL 2500

Common Applications and Problem Resolution

The Mahle JV1669 crankshaft seal is used to maintain engine oil containment and prevent leaks around the crankshaft. It addresses issues such as:

  • Oil leaks from the crankshaft area
  • Engine contamination due to seal failure
  • Reduced engine performance caused by oil loss
  • Premature wear of engine components from insufficient lubrication
  • Noise or vibration related to seal degradation

Installation Notes and Tips

Ensure the crankshaft sealing surface is clean and free of debris before installation. The one-piece PTFE seal should be carefully aligned to avoid damage during fitting. Use appropriate tools to press the seal evenly into place without distortion. Verify proper seating to prevent leaks and ensure optimal engine performance.

Quality Assurance and Warranty

Mahle manufactures the JV1669 crankshaft seal to meet OEM standards, ensuring consistent quality and fitment. The use of PTFE material provides durability under high temperature and chemical exposure. While specific warranty details are not provided, Mahle products typically adhere to industry quality controls and reliability benchmarks.

BrandMahle
Part NumberJV1669
Additional Package ContentsNone
Item GradeOem standard
Seal MaterialPolytetrafluoroethylene (ptfe)
Seal StyleOne piece

This part fits 49 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2007ChevroletSilverado 2500 HD Classic8.1LV8RearEngine main bearing gasket set made of PTFE material.
2007ChevroletSilverado 3500 Classic8.1LV8RearEngine main bearing gasket set made of PTFE material.
2007GMCSierra 2500 HD Classic8.1LV8RearEngine main bearing gasket set made of PTFE material.
2007GMCSierra 3500 Classic8.1LV8RearEngine main bearing gasket set made of PTFE material.
2006ChevroletAvalanche 25008.1LV8RearEngine main bearing gasket set made of PTFE material.
2006ChevroletSilverado 2500 HD8.1LV8RearEngine main bearing gasket set made of PTFE material.
2006ChevroletSilverado 35008.1LV8RearEngine main bearing gasket set made of PTFE material.
2006ChevroletSuburban 25008.1LV8RearEngine main bearing gasket set made of PTFE material.
2006GMCSierra 2500 HD8.1LV8RearEngine main bearing gasket set made of PTFE material.
2006GMCSierra 35008.1LV8RearEngine main bearing gasket set made of PTFE material.
2006GMCYukon XL 25008.1LV8RearEngine main bearing gasket set made of PTFE material.
2005ChevroletAvalanche 25008.1LV8RearEngine main bearing gasket set made of PTFE material.
2005ChevroletSilverado 2500 HD8.1LV8RearEngine main bearing gasket set made of PTFE material.
2005ChevroletSilverado 35008.1LV8RearEngine main bearing gasket set made of PTFE material.
2005ChevroletSuburban 25008.1LV8RearEngine main bearing gasket set made of PTFE material.
2005GMCSierra 2500 HD8.1LV8RearEngine main bearing gasket set made of PTFE material.
2005GMCSierra 35008.1LV8RearEngine main bearing gasket set made of PTFE material.
2005GMCYukon XL 25008.1LV8RearEngine main bearing gasket set made of PTFE material.
2004ChevroletAvalanche 25008.1LV8RearEngine main bearing gasket set made of PTFE material.
2004ChevroletSilverado 2500 HD8.1LV8RearEngine main bearing gasket set made of PTFE material.
2004ChevroletSilverado 35008.1LV8RearEngine main bearing gasket set made of PTFE material.
2004ChevroletSuburban 25008.1LV8RearEngine main bearing gasket set made of PTFE material.
2004GMCSierra 2500 HD8.1LV8RearEngine main bearing gasket set made of PTFE material.
2004GMCSierra 35008.1LV8RearEngine main bearing gasket set made of PTFE material.
2004GMCYukon XL 25008.1LV8RearEngine main bearing gasket set made of PTFE material.
2003ChevroletAvalanche 25008.1LV8RearEngine main bearing gasket set made of PTFE material.
2003ChevroletSilverado 2500 HD8.1LV8RearEngine main bearing gasket set made of PTFE material.
2003ChevroletSilverado 35008.1LV8RearEngine main bearing gasket set made of PTFE material.
2003ChevroletSuburban 25008.1LV8RearEngine main bearing gasket set made of PTFE material.
2003GMCSierra 2500 HD8.1LV8RearEngine main bearing gasket set made of PTFE material.
2003GMCSierra 35008.1LV8RearEngine main bearing gasket set made of PTFE material.
2003GMCYukon XL 25008.1LV8RearEngine main bearing gasket set made of PTFE material.
2002ChevroletAvalanche 25008.1LV8RearEngine main bearing gasket set made of PTFE material.
2002ChevroletExpress 35008.1LV8RearEngine main bearing gasket set made of PTFE material.
2002ChevroletSilverado 2500 HD8.1LV8RearEngine main bearing gasket set made of PTFE material.
2002ChevroletSilverado 35008.1LV8RearEngine main bearing gasket set made of PTFE material.
2002ChevroletSuburban 25008.1LV8RearEngine main bearing gasket set made of PTFE material.
2002GMCSavana 35008.1LV8RearEngine main bearing gasket set made of PTFE material.
2002GMCSierra 2500 HD8.1LV8RearEngine main bearing gasket set made of PTFE material.
2002GMCSierra 35008.1LV8RearEngine main bearing gasket set made of PTFE material.
2002GMCYukon XL 25008.1LV8RearEngine main bearing gasket set made of PTFE material.
2001ChevroletExpress 35008.1LV8RearEngine main bearing gasket set made of PTFE material.
2001ChevroletSilverado 2500 HD8.1LV8RearEngine main bearing gasket set made of PTFE material.
2001ChevroletSilverado 35008.1LV8RearEngine main bearing gasket set made of PTFE material.
2001ChevroletSuburban 25008.1LV8RearEngine main bearing gasket set made of PTFE material.
2001GMCSavana 35008.1LV8RearEngine main bearing gasket set made of PTFE material.
2001GMCSierra 2500 HD8.1LV8RearEngine main bearing gasket set made of PTFE material.
2001GMCSierra 35008.1LV8RearEngine main bearing gasket set made of PTFE material.
2001GMCYukon XL 25008.1LV8RearEngine main bearing gasket set made of PTFE material.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

BS 40673

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.