BD DIESEL 1064704SS TOWMASTER CHEVY ALLISON 1000 TRANSMISSION AND CONVERTER PACKAGE 2001–2004 LB7 4WD

Product Description

The BD DIESEL 1064704SS TowMaster Allison 1000 Transmission and Converter Package is a complete heavy-duty solution for 2001–2004 Chevy & GMC 2500HD/3500HD Duramax LB7 4WD trucks that need a stronger, more reliable Allison transmission for towing, hauling, and work use. This package includes a fully upgraded TowMaster Allison 1000 transmission matched with an upgraded torque converter, dyno-tested together to deliver smooth shifting, improved clutch holding power, and long-term durability under load.

BD Diesel 1064704SS TowMaster Allison 1000 transmission, Duramax LB7 transmission upgrade, Allison 1000 towing transmission, Allison 1000 converter package, BD Diesel deep pan transmission, heavy duty Allison transmission, 2001 2002 2003 2004 LB7 Duramax 4WD

BD’s TowMaster build focuses on the weak points that cause slip, flare, and premature clutch wear in high-demand applications. Internal upgrades increase clutch capacity and durability, revised oil circuits improve lubrication and temperature control, and the included BD deep transmission pan adds fluid capacity for better cooling and case strength. The torque converter is matched to this transmission for street and towing operation, helping reduce heat and maintain consistent lock-up performance.

Fitment

• 2001–2004 Chevy Silverado 2500HD / 3500HD
• 2001–2004 GMC Sierra 2500HD / 3500HD
• 6.6L Duramax LB7 Diesel Engine
• 4WD models only
• Allison 1000 automatic transmission equipped trucks

Key Features & Benefits

• Complete TowMaster Allison 1000 transmission + converter matched set
• Dyno-tested as a package for performance and reliability
• Upgraded clutch capacity for towing and heavy use
• Revised oil circuits for improved cooling and lubrication
• BD heavy duty deep transmission pan included (adds capacity and strength)
• Converter tuned for street and towing applications

Cross-Reference & Compatible BD Diesel Products (BD DIESEL ONLY)

• BD DIESEL 1064704 TOWMASTER CHEVY ALLISON 1000 TRANSMISSION 2001–2004 LB7 4WD

Is this a complete transmission and converter package?

Yes. This package includes the upgraded TowMaster Allison 1000 transmission and a matched torque converter built to work together.

Is this built for towing?

Yes. The TowMaster build is designed for towing and heavy-duty use with upgraded clutch capacity, improved oiling, and better heat management.

Is there a core charge?

Yes. A refundable core charge applies to this transmission package.

Specifications for BD DIESEL PRODUCTS 1064704SS