GM · Rebuilt, built to order
Rebuilt 4L80E transmission for GM HD trucks, vans and Hummer H1
A rebuilt 4L80E is GM's heavy-duty 4-speed automatic, rebuilt in our Plantation, Florida shop for 3/4-ton and 1-ton trucks, vans and work vehicles. It is for owners and fleets running a 2500 or 3500 pickup, a Suburban 2500, an Express or Savana van or a Hummer H1.
Price
From $2,339
Final price confirmed for your VIN before you pay. Some years, engines and 4WD versions cost a little more. Plus a refundable core deposit.
- Type
- 4-speed heavy-duty automatic, rear-wheel drive / 4WD
- Build time
- About 4 to 6 weeks
- Delivery
- Free pickup or freight
Fits these vehicles
- Chevrolet and GMC C/K 2500 and 3500 pickups (1991 to 2000)
- Chevrolet Silverado and GMC Sierra 2500HD and 3500 with 6.0L gas V8 (2001 to 2006)
- Chevrolet Suburban 2500 and GMC Yukon XL 2500 (2000 to 2007)
- Chevrolet Express and GMC Savana 2500 and 3500 (1996 to 2009, varies by engine)
- Chevrolet Avalanche 2500 (2002 to 2006)
- Chevrolet Tahoe and GMC Yukon with 6.5L diesel (1995 to 1999)
- Hummer H1 (1992 to 2006)
Common applications. Your VIN confirms the exact version before we build.
Signs yours is failing
- Drive works but reverse is gone
- Slipping or flaring when loaded or towing
- Stuck in one gear with the check engine light on
- Shudder when the converter locks up
- Fluid running hot or smelling burnt
Weak spots we fix
- Sun shell damage, a common cause of lost reverse
- Worn boost valve and pressure regulator that let line pressure run too high or too low
- Torque converter lockup clutch wear and shudder, especially in tow rigs
- Shift solenoid and pressure control solenoid faults
What's in the rebuild
- New clutches, steels, bands, seals and gaskets
- Inspection and replacement of worn hard parts such as the sun shell, shafts and bushings
- Updated valve body parts for the known boost valve and pressure regulator wear
- Torque converter matched to your engine and use
- New filter and fresh fluid
- Written warranty
About the 4L80E
GM built the 4L80E for heavy work. It is based on the Turbo 400, one of GM's toughest 3-speed automatics, with an overdrive gear and electronic controls added. From the early 1990s into the late 2000s it went into 3/4-ton and 1-ton pickups, Suburban 2500s, full-size vans and the Hummer H1, plus plenty of commercial vehicles. It is bigger and heavier than the 4L60E and handles much more torque, which is why fleets and towing customers still rely on it. Early and late cases differ in cooler line location and other details, so we match yours by VIN.
Why a 4L80E gives out
The 4L80E is strong, but work trucks put a lot of hours and heat through it. The sun shell can break, which leaves drive working and reverse gone. Wear at the boost valve and pressure regulator lets line pressure run too high or too low, and either one wears clutches out early. Torque converters in tow rigs wear their lockup clutch and start to shudder. Solenoids and the internal wiring also fail with age. Heat ties it all together: once the fluid cooks, the friction material glazes and starts to slip.
Rebuilt vs used vs reman for a work truck
A used 4L80E pulled from a 20-year-old work truck is a real gamble. Many spent their lives towing, and the unit may already be tired inside. A remanufactured unit is built to a general spec. Our rebuilds start with your VIN, then a full teardown in our Plantation shop. We replace the soft parts, fix the valve body wear these units are known for and swap out any worn hard parts. For a fleet, that means the unit you install matches the truck it goes in, not just the model name on the order.
How it works
01
Send your VIN
We confirm the right unit and your final price.
02
Pay online
Secure Stripe link. Refundable core deposit.
03
We build it
Rebuilt in our Plantation shop. Usually 4 to 6 weeks.
04
Ship or pick up
Free pickup, or freight with tracking.
4L80E questions
Is the 4L80E the same in every GM HD truck?
No. Case details, cooler line location, bellhousing and output shaft differ by year and engine, and some 8.1L and diesel vans used the related 4L85E instead. We check your VIN before we build so the unit bolts in.
Do you build 2WD and 4WD 4L80E units?
Yes. The 2WD version uses a long tailhousing for the driveshaft and the 4WD version bolts to a transfer case, so they are not interchangeable as-is. Your VIN tells us which one to build.
Does a 4L80E need a relearn after install?
Some units need a relearn or programming after install; we'll tell you if yours does. Your installer should also flush or replace the cooler, since old debris in the lines can damage a fresh unit.
How do I get a rebuilt 4L80E?
Order and pay online, and we build it in our Plantation shop after the VIN check. Pick it up at 631 S State Rd 7 or have it shipped by freight. A refundable core deposit applies until your old unit comes back.
How long does it take?
Units are built to order. Most are ready about 4 to 6 weeks after payment. Need it sooner? Call us, we can often work something out.
What is the core deposit?
A refundable deposit added at payment. Send your old transmission back to the shop and we refund it to your card once it's checked in.