This L5P DT550 Built Transmission includes the following.

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:

• 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 Billet Torque Converter:

• Totally Custom for the DT550 L5P Dual Disc Torque Converter
• Dual disc design
• Smooth consistent lock-up
• 1800 - 1900 RPM Stall Speed
• Perfect stall speed for towing and daily driving

Upgraded Transmission Case:

• Pre-drilled to accept C3 Oiler upgrade (Even if not selected)
• Easily upgradable in the future

Upgraded Line Pressure Spring:

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 HP4 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 L5P (2017-2019) DT550 - Built Transmission With Torque Converter is designed for 2017, 2018, and 2019 Chevy Silverado or GMC Sierra 6.6L Duramax Diesel Trucks.

Note: All pictures shown are for illustration purposes only. Actual product may vary due to product enhancement.

Features and Benefits:

• 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
• Dual Disc L5P torque converter
• A 3-year standard or 5-year extended warranty

Details:

• Finish: Painted
• Color: Stealth Grey
• Transmission Model: Allison
• Transmission Build: DT550
• Clutches: Raybestos GPZ/Borg Warner C1-C4, Raybestos C5
• Torque Converter Included: Yes
• Stall Speed: 1800 - 1900 RPM

Fitment Notes:

• Make: Chevrolet, GMC
• Model Year: 2017-2019
• Engine Code: L5P
• Engine Size: 6.6 Liter
• Engine Family: Duramax