2001-2005 Duramax LB7/LLY Transgo Shift Kit Valve Body Repair Kit (ALLISON SK)
2001-2005 Duramax LB7/LLY Transgo Shift Kit Valve Body Repair Kit (ALLISON SK) is backordered and will ship as soon as it is back in stock.
Confirm vehicle fitment
Confirm vehicle fitment
Confirm fitment before ordering. Match the year, make, model, trim, engine, drivetrain and selected options shown on this page. If any detail is unclear, search your exact vehicle or contact us before checkout.
Shipping expectations
Shipping expectations
Availability and processing time can vary by manufacturer. Available shipping choices and charges appear at checkout. Tracking is emailed after shipment. Oversized, special-order and supplier-shipped items can require additional processing time.
Returns and cancellations
Returns and cancellations
Please review eligibility before purchase. Installed, used, electronic, custom, special-order and clearance items may have return restrictions. Contact us promptly if you need to change or cancel an order.
What’s included
What’s included
The product description and selected variant determine what is included. Items shown in lifestyle or installation photos are not included unless they are specifically listed in the description.
2001-2005 Duramax LB7/LLY Transgo Shift Kit Valve Body Repair Kit (ALLISON SK) is backordered and will ship as soon as it is back in stock.
Buy with confidence
Verify fitment, selected options, availability and included components before checkout. Secure payment options and order confirmation are provided at checkout.
Description
Description
2001-2005 Duramax LB7/LLY Transgo Shift Kit Valve Body Repair Kit (ALLISON SK)
This TransGo Allison SHIFT KIT® Valve Body Repair Kit fits 2001 to 2005 General Motors vehicles equipped with the Allison 1000, 2000 and 2400 five-speed automatic transmission. Common complaints on this transmission are neutralizes under high load in 4th or 5th, burnt C2 clutch plates, no move forward or reverse, stuck in one gear as well as gear ratio and solenoid performance codes.
The C2 clutch is the weak link of this Allison transmission leading to 3-4 slip complaints as well as neutralizing under heavy load in 4th and 5th and burnt C2 clutch plates. Complaints of no move after the vehicle has been parked with the engine off for an extended period of time are due to excessive torque converter drain-back and loss of pump prime.
Corrects/Prevents/Reduces:
- Slip 3-4
- Neutralizes under load in 4th or 5th
- Burnt C2 and C3 friction plates
- No move after being parked for an extended time
- Loss of pump prime
- Stuck in one gear
- Codes: P0732, P0733, P0734, P0735, P0766 and P0777
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Product features
Use this section to highlight specific product features to your customers.
Product comparison grid
Add content here to explain a bit about the range of products on offer and which ones may be most suitable for your customers.

