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Duramax Power 2001-2004 LB7 BUILT ALLISON DT550 TRANSMISSION - 550HP - DT550-LB7-5 / DT550-LB7-6

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DT550-LB7-5-TQC / DT550-LB7-6-TQC

The LB7 (2001-2004) DT550 - BUILT TRANSMISSION WITH TORQUE CONVERTER is designed for 2001, 2002, 2003, and 2004 Chevy Silverado or GMC Sierra Duramax. Great for those that daily drive their truck, tow frequently or just want a more reliable Allison 1000 transmission. You won’t experience harsh shifting or banging of gears. Just smooth, positive shifts and an easy converter lock-up.

Your DT550 Built Transmission will come with New/Upgraded clutches and steels, electronics, sensors, valve body, return springs, and torque converter, ready to be installed. We will even help arrange roundtrip shipping.

The 5 Speed LB7 DT550 Features:
- All new upgraded clutches compared to stock
- Additional clutches for added holding strength
- All New Electronics
- An upgraded valve body
- Upgraded C3 and C4 return springs
- LML Dual Disc torque converter
- An upgraded transmission case
- A 3-year standard or 5-year extended warranty

The 6 Speed LB7 DT550 Features:
- All of the above plus the DuramaxTuner 6 Speed Conversion
- Custom TCM tuning for your specific truck
- Double Overdrive = 14% RPM Reduction
- Less Road Noise and Vibration
- Better fuel economy
- Gear indicator works on Edge CTS monitor
- Works with high idle switches
- You save $300 when bundled with a transmission

Pricing: $4,995.00

Customize Your Item

- 5 Speed or 6 Speed -
 * required
- Model Year -
 * required
- 2001-2004 LB7 Transmission Core -
 * required
- C3 Oiler Upgrade -
 * required
- Goerend Deep Aluminum Pan -
 * required
- 5 Year Extended Warranty -
 * required
- Shipping -
 * required
- Lift Gate Service -
 * required
- 4 Wheel Drive or 2 Wheel Drive -
 * required
- Install Warranty Acknowledgement -
 * required
- Fleece Trans Cooler Line Upgrade -
 * required
Qty:
Free Ground shipping - lower 48 U.S. only

Description

This Pre-Built DT550 Built Transmission includes:

  • Upgraded Clutches
  • C1 - C4 Raybestos GPZ/Borg Warner Clutches
  • C5 Raybestos Clutches
  • Improved clutch torque capacity
  • High heat resistance
  • Smooth engagements
  • Maximized reliability
  • Better durability than stock
  • Made in the USA
  • Extra Clutches
  • DT550 has added clutches for stronger clutch holding capacity
  • The factory Allison has 12 C1 clutches. The DT550 has 16
  • The factory Allison has 6 C2 clutches. The DT550 has 7
  • The factory Allison has 4 C3 clutches. The DT550 has 6
  • The factory Allison has 5 C4 clutches. The DT550 has 6
  • All New Electronics
  • New Neutral Safety Switch
  • New Speed Sensors
  • All OEM Electronics and Sensors
  • No risk of corrosion, shorts, and bad connectors.
  • Trouble free operation
  • Provides long-term reliable performance we can stand behind
  • Upgraded Valve Body
  • TransGo shift kit with Mike L. upgraded shift springs
  • Provides quicker, crisper shifts
  • Rebuilt valve body with new solenoids, pressure switch & harness
  • Upgraded C3/C4 Return Springs
  • Stronger and more durable design
  • More dependable clutch pack release
  • Improves shift quality
  • Upgraded Transmission Case
  • Pre-drilled to accept C3 Oiler upgrade (Even if not selected)
  • Easily upgradable in the future
  • Upgraded Line Pressure Spring
  • Upgraded TransGo lock-up valve
  • Increases line pressure for stronger clutch holding force
  • Optional Upgrades:
  • C-3 Oiler
  • Increased lubrication of clutches
  • Improves overall longevity and reliability
  • Deep Pan
  • Increases fluid capacity
  • Cleaner, Cooler fluid

    • THIS TRANSMISSION IS RIGHT FOR YOU IF YOU…

    • Aren’t looking to upgrade your injectors and CP3 down the road
    • Might consider an upgraded turbo
    • Mainly daily drive your truck or use it for work
    • Tow light to medium loads frequently
    • Have a high mileage or worn-out transmission
    • Are experiencing limp mode
    • Currently have P0700 codes
    • Experiencing other mechanical issues with your stock trans
    • Quality and Reliability are your top priority
    • Want something made in the USA
    • Value a warranty with unlimited miles in the 1st year

    The LB7 (2001-2004) DT550 Built Transmission by Duramaxtuner.com is specifically designed for 2001, 2002, 2003 and 2004 Chevy Silverado and GMC Sierra 6.6L Duramax Trucks

    * ALL PICTURES SHOWN ARE FOR ILLUSTRATION PURPOSES ONLY. THE ACTUAL PRODUCTS MAY VARY DUE TO PRODUCT ENHANCEMENT.

    * Prop 65WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov

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    Shipping Information

    • Item Requires Shipping
    • Free Ground shipping - lower 48 U.S. only
    • This item ships in its own box.
    • This item will require a special quote for shipping charges.

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