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SKU: BDD1064724

1064724 Towmaster Allison 1000 Transmisson

Ships From Manufacturer in 5-10 Days
Confirm fitment before purchasing
YEARS
2004.5-2006
MAKE / MODEL
GM/Chevrolet/GMC / Silverado/Sierra
SERIES
2500HD/3500HD
ENGINE
6.6L Duramax LB7/6.6L Duramax LBZ/6.6L Duramax LLY
$4,817.95
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PRODUCT DETAIL

Key Features & Description

Transmission Features:
  • Increase the durability of your drivetrain
  • BD Aluminum HD deep transmission pan, increases oil capacity by 3.5qt
  • High energy GPZ(TM) frictions
  • Revised oil circuits
  • New convertor lock up valve to boost lock-up pressures
  • New A & B trim valves deliver full line pressure to the clutches
  • Increased clutch count
  • Clutch Count: C1 8 clutches (14% increase over stock)
  • Clutch Count: C2 7 clutches (17% increase over stock)
  • Clutch Count: C3 7 clutches (75% increase over stock)
  • Clutch Count: C4 7 clutches (17% increase over stock)
  • Clutch Count: C5 7 clutches (17% increase over stock)
  • Each transmission is dyno tested

The stock transmission is designed to handle the output of the stock engine, but not much more. Increase the durability of your drivetrain with a BD transmission. All transmissions come with BD's heavy duty transmission pan.

Notes: No Race abuse covered. Remote filter required for inspection with cooler flow rate in GPM at Oil/Air transmission cooler outlet.

Notes: BD torque converter must be installed at the time of installation of the transmission - use of a 3rd party or OE converter will invalidate the transmission warranty

Part Warranty Notes: 36 months or 150,000 miles

Labour Warranty Notes: 12 months or 24,000 miles

Vehicle Fitment: 2004.5-2006 Chevy LLY 5-Speed 2WD

FITMENT GUIDE

Exact Fitment — Verify Your Year

Year RangesYears
Make
Model
Series
Engine
2004.5-2006
GM/Chevrolet/GMC
Silverado/Sierra
2500HD/3500HD
6.6L Duramax LB7/6.6L Duramax LBZ/6.6L Duramax LLY

Document Downloads

Forms & Guides

📄 Download Core Return Form (PDF)

CUSTOMER REVIEWS

What Buyers Say

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