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Thumbnail Filmstrip of 2001-2004 6.6L LB7 Duramax TowMaster Allison Transmission & Converter Package 2WD BD 1064702SS Images
The BD Diesel 1064702SS TowMaster package pairs a rebuilt Allison 1000 transmission with a matched BD torque converter for 2001-2004 Chevy Silverado and GMC Sierra 2500HD and 3500 2WD trucks with the 6.6L LB7 Duramax. The factory Allison runs thin clutch packs and low line pressure, so added power and heavy trailers lead to slipping, heat and burned clutches. This package is built to hold that load day after day.
BD modifies the valve body for more clutch torque capacity, revises the oil circuits for longer clutch life and installs new A and B trim valves so the clutches see full line pressure. A new converter lockup valve raises lockup pressure, and the pair is dyno tested together before it ships with BD's deep aluminum pan. Core required, refundable deposit at checkout.
Key Features & Benefits
- Valve Body Modifications: raise clutch torque capacity and help prevent dry starts.
- Revised Hydraulics: New A and B trim valves and revised oil circuits deliver full line pressure for firm, consistent shifts.
- Matched Converter: Street and towing converter with a billet cover for added strength and reliable lockup.
- Deep Aluminum Pan: BD HD pan adds about 3.5 quarts of fluid capacity to help control temperature.
- Dyno Tested: Every transmission is tested on BD's dyno before it ships.
Technical Specifications
- Manufacturer: BD Diesel Performance
- Part Number / SKU: 1064702SS
- Product Type: Transmission and torque converter package
- Transmission: Allison 1000 5-speed, 2WD
- Torque Converter: Billet cover, street and towing
- Truck Compatibility: 2001-2004 Chevy Silverado and GMC Sierra 2500HD and 3500
- Engine Platform: 6.6L LB7 Duramax
- Core Requirement: Core required, refundable deposit at checkout
- Warranty: 36 months or 150,000 miles on parts, 12 months or 24,000 miles on labor; race and sled pull use not covered
Vehicle Fitment & Technical Installation Notes
Fits 2001-2004 Chevy Silverado and GMC Sierra 2WD trucks with the 6.6L LB7 Duramax and Allison 1000 automatic.
Installation Tip: Flush the transmission cooler and lines before installing so debris from the old unit cannot reach the new one. BD requires a remote filter for warranty inspection so cooler flow can be checked at the cooler outlet.
The BD Diesel 1064702SS TowMaster package pairs a rebuilt Allison 1000 transmission with a matched BD torque converter for 2001-2004 Chevy Silverado and GMC Sierra 2500HD and 3500 2WD trucks with the 6.6L LB7 Duramax. The factory Allison runs thin clutch packs and low line pressure, so added power and heavy trailers lead to slipping, heat and burned clutches. This package is built to hold that load day after day.
BD modifies the valve body for more clutch torque capacity, revises the oil circuits for longer clutch life and installs new A and B trim valves so the clutches see full line pressure. A new converter lockup valve raises lockup pressure, and the pair is dyno tested together before it ships with BD's deep aluminum pan. Core required, refundable deposit at checkout.
Key Features & Benefits
Valve Body Modifications: raise clutch torque capacity and help prevent dry starts.
Revised Hydraulics: New A and B trim valves and revised oil circuits deliver full line pressure for firm, consistent shifts.
Matched Converter: Street and towing converter with a billet cover for added strength and reliable lockup.
Deep Aluminum Pan: [...]
The BD Diesel 1064702SS TowMaster package pairs a rebuilt Allison 1000 transmission with a matched BD torque converter for 2001-2004 Chevy Silverado and GMC Sierra 2500HD and 3500 2WD trucks with the 6.6L LB7 Duramax. The factory Allison runs thin clutch packs and low line pressure, so added power and heavy trailers lead to slipping, heat and burned clutches. This package is built to hold that load day after day.
BD modifies the valve body for more clutch torque capacity, revises the oil circuits for longer clutch life and installs new A and B trim valves so the clutches see full line pressure. A new converter lockup valve raises lockup pressure, and the pair is dyno tested together before it ships with BD's deep aluminum pan. Core required, refundable deposit at checkout.
Key Features & Benefits
- Valve Body Modifications: raise clutch torque capacity and help prevent dry starts.
- Revised Hydraulics: New A and B trim valves and revised oil circuits deliver full line pressure for firm, consistent shifts.
- Matched Converter: Street and towing converter with a billet cover for added strength and reliable lockup.
- Deep Aluminum Pan: BD HD pan adds about 3.5 quarts of fluid capacity to help control temperature.
- Dyno Tested: Every transmission is tested on BD's dyno before it ships.
Technical Specifications
- Manufacturer: BD Diesel Performance
- Part Number / SKU: 1064702SS
- Product Type: Transmission and torque converter package
- Transmission: Allison 1000 5-speed, 2WD
- Torque Converter: Billet cover, street and towing
- Truck Compatibility: 2001-2004 Chevy Silverado and GMC Sierra 2500HD and 3500
- Engine Platform: 6.6L LB7 Duramax
- Core Requirement: Core required, refundable deposit at checkout
- Warranty: 36 months or 150,000 miles on parts, 12 months or 24,000 miles on labor; race and sled pull use not covered
Vehicle Fitment & Technical Installation Notes
Fits 2001-2004 Chevy Silverado and GMC Sierra 2WD trucks with the 6.6L LB7 Duramax and Allison 1000 automatic.
Installation Tip: Flush the transmission cooler and lines before installing so debris from the old unit cannot reach the new one. BD requires a remote filter for warranty inspection so cooler flow can be checked at the cooler outlet.
Fits: LB7 Duramax 2001-2004 (Automatic Only, 4WD)
Fits: LB7 Duramax 2001-2004 (Automatic Only, 4WD)