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BD Diesel

BD Diesel Transmission - 2004.5-2006 Chev LLY Allison 1000 5-speed 4wd

BD Diesel Transmission - 2004.5-2006 Chev LLY Allison 1000 5-speed 4wd

$6,802.99 USD
$6,802.99 USD
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Shipping calculated at checkout.

Out of stock

Shipping & returns

Shipping is calculated at checkout by size and destination. Most in-stock gear ships within a few business days; large freight items (campers, racks, bumpers) are made to order. Wrong fitment? Send it back within 30 days — we'll help you find the part that does fit.

Fitment & build help

Not sure if this fits your platform? Tell us your year, make, model, and trim — we'll confirm before you order. For bigger builds, we'll help you plan the full stack.

Warranty

Every product on this site ships through authorized channels with full manufacturer warranty. If something breaks in normal use, we'll help you get it resolved.

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Increase the durability of your drivetrain; Revised oil circuits; Handles up to 300% more power and torque than the stock transmission; Extra clutches and stronger internals; BD rigid aluminum heavy duty transmission pan; Pan adds 3.5qt extra oil capacity; Pan reduces case flex; Pan reduces internal oil leakage; Pan heat-dissipating fins keep temperature down; Pan magnetic drain plug; New convertor lock up valve to boost lock-up pressures; Updated lube; Updated regulator; Updated pressure release spring; 20% more friction surface; High energy clutch material; Added extra frictions; Modified power pistons; New return springs; Increased main line oil pressure; Modified separator plate for short crisp shifts; New A&B trim valves; springs and solenoids; Clutch Count: C1 8; Clutch Count: C2 7; Clutch Count: C3 6; Clutch Count: C4 6; Clutch Count: C5 7

  • Ships from San Diego

    We ship from our San Diego dealer network. Most in-stock gear goes out within a few business days — shipping's calculated at checkout by size and destination.

  • Wrong fitment? We make it right.

    If a part doesn't fit your platform the way it should, send it back. We handle the return and find you the part that does.

  • Authorized dealer support

    Every product moves through proper channels. Full manufacturer warranty, real tech support — no gray-market headaches.