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

Product Description

The BD DIESEL 1064704 TowMaster Chevy Allison 1000 Transmission is a heavy-duty built transmission engineered for 2001–2004 GM 6.6L Duramax LB7 4WD trucks that tow hard, haul heavy, or see demanding daily use. The factory Allison 1000 is a strong platform, but clutch capacity, line pressure control, and heat management are common limitations when your truck works for a living. The TowMaster package is designed to correct these weak points with stronger internals, improved hydraulic control, and enhanced cooling capacity.

BD Diesel 1064704 TowMaster transmission, Allison 1000 transmission upgrade, LB7 Duramax Allison 1000 4WD, heavy duty towing transmission, increased clutch count Allison 1000, high line pressure valve body, deep sump transmission pan

This TowMaster transmission features revised oil circuits, increased clutch capacity in key clutch packs, updated pressure controls for more consistent clutch apply, and a heavy-duty deep transmission pan that increases fluid capacity and improves cooling. Every unit is dyno-tested to help ensure shift quality and durability before shipping. This is a complete built transmission assembly and requires professional installation. A refundable core charge applies.

Fitment

• 2001–2004 Chevrolet Silverado 2500HD / 3500HD
• 2001–2004 GMC Sierra 2500HD / 3500HD
• 6.6L Duramax LB7 Diesel
• Allison 1000 Automatic Transmission
• 4WD models only

Key Features & Benefits

• Built TowMaster transmission designed for towing and heavy-duty reliability
• Revised oil circuits for improved lubrication and clutch apply control
• Increased clutch capacity in key clutch packs for improved holding power
• Updated pressure control components for firmer, more consistent shifts
• Heavy-duty deep transmission pan increases fluid capacity and improves cooling
• Dyno-tested before shipping

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

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

Is this transmission compatible with stock trucks?

Yes. This transmission is designed to work in stock applications and significantly improves durability for towing, hauling, and heavy-duty driving conditions.

Does this transmission include a torque converter?

No. This listing is for the TowMaster transmission only. If you need a matched transmission and converter package, see the BD Diesel TowMaster package option.

Is a core charge required?

Yes. A refundable core charge applies to built transmissions.

Specifications for BD DIESEL PRODUCTS 1064704