Motortopia Staff
.
January 28, 2026
.
Press Release
KB Diesel is proud to announce the release of its new Heavy-Duty Tail Housing for the ZF6 manual transmission, specifically designed for 2001-2006 Chevrolet and GMC trucks equipped with the 6.6L Duramax diesel engine.
This precision engineered replacement addresses the common failure point in the ZF6 Duramax trucks: cracking or breakage in the rear section of the factory tail housing. The OEM design is prone to stress fractures under heavy loads, towing, off-road use, or high-performance modifications. These issues have frustrated ZF6 owners for years.
Key Features and Benefits:
· Reinforced Design — Greatly strengthened in the rear where breakage most frequently occurs, providing superior durability and longevity compared to stock.
· Heavy-Duty Construction — Manufactured from robust die-cast aluminum for excellent strength to weight ratio and resistance to cracking.
· Precision CNC Machined — Ensures fitment, alignment, and sealing, reducing the risk of leaks or vibrations.
· Direct Replacement — Bolt-on compatibility with no modifications required, making it ideal for an upgrade, repair, or performance builds.
The tail housing fits 2001-2006 Chevy & GMC 2500/3500 series trucks with the 6.6L Duramax LB7, LLY, LBZ engines paired with the ZF6 six speed 4WD manual transmission.
“Duramax owners with ZF6 manuals know the tail housing is a weak link that can leave you stranded,” said Kory Barnoff, founder of KB Diesel. “We’ve engineered this upgraded housing to eliminate that headache, giving enthusiasts a reliable, heavy-duty solution that stands up to real world demands; whether stock, tuned, or pulling heavy loads.”
KB Diesel, a family-owned company founded in 2013 and based on a passion for diesel engines, specializes in quality parts for popular platforms like the Duramax, Cummins, and Powerstroke. This new tail housing joins their growing lineup of ZF6 specific components, reflecting their commitment to solving common failure points in the diesel aftermarket.
The Tail Housing for 2001-2006 Chevy GMC 6.6L Duramax w/ ZF6 Transmission is now available for purchase directly from the KB Diesel website at kbdieselperformance.com. For more details, installation tips, or to place an order, visit: https://kbdieselperformance.com/products/tail-housing-for-2001-2006-chevy-gmc-6-6l-duramax-w-zf6-transmission
About KB Diesel: KB Diesel is a dedicated provider of top-quality diesel performance parts and accessories, focusing on reliability and innovation for truck enthusiasts. With fast shipping, secure payments, and a passion for all things diesel, the company supports customers across the U.S. and beyond.
Share Link