SPOOLOGIC Set of 9 15mm Vanes

The SPOOLOGIC VGT Vane Set SL-270-032 fits the GT3788VA turbocharger in 2004.5-2005 Chevrolet Silverado and GMC Sierra 2500 3500 6.6L Duramax LLY. The nine 15 mm vanes pivot with the unison ring to control exhaust flow through the turbine housing.

Features

• Set of nine replacement VGT vanes
• 15 mm vane height
• Factory-style vane configuration

What's Included

• 1 SPOOLOGIC Set of Nine 15 mm VGT Vanes

Fitment

• 2004.5-2005 Chevrolet Silverado GMC Sierra 2500 3500 6.6L Duramax LLY

Turbo Compatibility

• Garrett GT3788VA

VGT Vanes

• Vane quantity: 9
• Vane height: 15 mm

Related Components

Inspect the unison ring and vane contact surfaces during service. The matching SPOOLOGIC Unison Ring - SL-270-021 is sold separately.

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

Every SPOOLOGIC Set of 9 15mm Vanes is intended for experienced turbo builders and qualified technicians. Inspect the related VGT components for wear, binding, and damage; correct assembly and free movement are essential. 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.