SPOOLOGIC Basic Turbo Rebuild Kit

The SPOOLOGIC Basic Turbo Rebuild Kit SL-210-021 services the Garrett GT3788VA turbocharger in 2004.5-2007 Chevrolet Silverado and GMC Sierra 2500 3500 trucks with the 6.6L Duramax LLY or LBZ. It supplies the bearing and seal components needed to rebuild a serviceable center assembly.

⚠️ Unassembled rebuild parts only.

Features

• Journal bearings and thrust components
• Step-gap seal rings and O-rings
• Gaskets, retaining hardware, and fasteners

What's Included

• Journal bearings and thrust components
• Step-gap seal rings and O-rings
• Supplied gaskets
• Retaining hardware and fasteners

Fitment

• 2004.5-2005 Chevrolet Silverado GMC Sierra 2500 3500 6.6L Duramax LLY
• 2006 Chevrolet Silverado GMC Sierra 2500 3500 6.6L Duramax LLY
• 2006-2007 Chevrolet Silverado GMC Sierra 2500 3500 6.6L Duramax LBZ
• 2006-2007 Chevrolet Express GMC Savana 2500 3500 6.6L Duramax LLY

2007 pickups: Silverado Classic and Sierra Classic LBZ applications.

Compatibility and Installation

Wheels, shaft, housings, VGT mechanism, and actuator are not included.

• Confirm the turbo model and compare supplied parts with the originals.
• Inspect shaft journals, wheels, bearing bores, and seal grooves.
• Correct oil supply, drainage, contamination, and crankcase-pressure problems.
• Follow service procedures for clearances, torque, lubrication, and priming.
• Balance the completed rotating assembly before returning it to service.

Reuse only serviceable parts. Replace damaged or out-of-specification components and follow the applicable assembly procedure.

Related Rebuild Kits

This example covers 2004.5-2005 LLY applications.

• Billet Wheel Rebuild Kit - SL-900-021-K01

⚠️ DIY Product — All Sales Final, No Warranty, No Returns

Every SPOOLOGIC Basic Turbo Rebuild Kit is intended for experienced turbo builders and qualified technicians. A successful rebuild requires inspection of the existing turbocharger, suitable tools, correct assembly, and balancing of the rotating assembly. All sales are final—no warranty, returns, or exchanges. Confirm compatibility before ordering. See the SPOOLOGIC Warranty Policy for details on parts sold without a warranty.