Fits: 2001 thru 2007 Chevy Silverado/GMC Sierra Classic Body 2500HD/3500HD LB7/LLY/LBZ Duramax Diesel

*Core must be returned in specialty case with bolts and foam otherwise you will not receive a refund*

During the re-manufacturing process, the cases are completely disassembled and all friction and wear surfaces are replaced as well as all seals. Every internal part undergoes a detailed cleaning and inspection process. Any parts not found within OEM tolerances are discarded and replaced with new replacement parts. The rear half is replaced with our XD series aluminum upgrade to prevent pump rub through.

Features:

• Updated rear case design, eliminates pump rub
• All seals and wear items replaced

• 2 year/24,000 mile warranty

Notes:

• Core must be returned in specialty case with bolts and foam otherwise you will not receive a refund
• Transfer case actuator not included
• Speed sensor not included
• These do not come pre-filled with fluid
• All Core Return Costs are responsible to the customer. Please contact our customer support team with any core return questions you may have. Core returns must be processed online via the Return Request Form