BD DIESEL 1064722SS TOWMASTER TRANSMISSION & CONVERTER PACKAGE – CHEVY ALLISON 1000 5-SPEED 2WD (2004.5–2006 LLY 6.6L DURAMAX)

Product Description

The BD DIESEL 1064722SS TowMaster Transmission & Converter Package is a matched, heavy-duty drivetrain solution built for 2004.5–2006 Chevy Silverado / GMC Sierra 2500HD & 3500HD trucks with the LLY 6.6L Duramax and Allison 1000 5-speed in 2WD configuration. If you tow heavy, work your truck daily, or want stronger long-term reliability than a stock rebuild, this package is designed to deliver firmer control, improved durability, and confident lock-up under load.

BD Diesel 1064722SS, TowMaster Allison 1000 transmission, Duramax LLY 2WD Allison 5-speed, towing transmission package, heavy duty transmission and converter, improved shift quality, upgraded clutch capacity, work truck drivetrain upgrade

This TowMaster package pairs a BD-built transmission with a matched torque converter to help reduce slippage, manage heat, and maintain consistent power transfer when towing. It’s an ideal choice for stock-to-moderately modified LLY trucks that need a dependable transmission solution built to handle real-world load and temperature demands.

Fitment

• 2004.5–2006 Chevy Silverado 2500HD / 3500HD
• 2004.5–2006 GMC Sierra 2500HD / 3500HD
• 6.6L Duramax LLY Diesel
• Allison 1000 5-Speed Automatic
• 2WD only

Fitment Note: This package is for LLY 2WD applications with the 5-speed Allison 1000. Verify model year break and drivetrain before ordering.

Cross-Reference / Compatible BD DIESEL Products (Verified CPP Links)

• BD DIESEL 1064041 TRANSMISSION FILTER SERVICE KIT (ALLISON 1000)
• BD DIESEL 1061650 DURAMAX DEEP SUMP ALLISON 1000 TRANSMISSION PAN (2001–2018)
• BD DIESEL 1604720 SHIFT KIT CHEVY ALLISON 1000 (2001–2005 5-SPEED)

FAQ

Is this package built for towing?

Yes. This TowMaster transmission and converter package is designed specifically for towing and heavy-use applications where heat control and durability matter.

Does this include the torque converter?

Yes. This is a matched transmission and converter package.

Is a core required?

Yes. A rebuildable Allison 1000 core is required for this package. Core charges and return requirements apply.

Specifications for BD DIESEL PRODUCTS 1064722SS