The SPOOLOGIC Turbo Vane Position Sensor & Socket Kit SL-600-038 is a complete service combo for the factory Garrett GT3788VA variable geometry turbocharger on 2004.5-2016 Chevrolet Silverado GMC Sierra 2500 3500 6.6L Duramax LLY LBZ LMM LML
/ 2006-2016 Chevrolet Express GMC Savana 2500 3500 4500 6.6L Duramax LLY LMM LGH. The kit includes the direct-replacement vane position sensor (SL-600-035) and the dedicated removal/installation socket (SL-600-037) — everything you need to diagnose, remove, and replace a failed VGT position sensor without rounding the sensor body or damaging the turbo housing.

This turbo vane position sensor & socket kit is a brand new direct-replacement unit built to OEM specifications and pre-tested to match the original factory part. It plugs into the factory engine harness and ECM without re-programming or modification — fits the original factory part out of the box, no tuning or piggyback module needed.

Common Failure Symptoms This Kit Addresses

If your truck is showing any of these symptoms, the parts in this kit are the most likely cause:

• Check engine light with P003A, P0045, P0046, P0047, P0048, P2563, P2564, P2565, or P0299 codes — vane position circuit fault, range/performance, or low boost
• Loss of boost or low boost under load — ECM unable to verify vane position and defaulting to safe values
• Limp mode or reduced power — feedback signal out of expected range
• Black smoke under acceleration — boost lag from incorrect vane feedback
• Stuck VGT vanes or erratic boost response — worn or contaminated position sensor giving false readings

Premium Replacement — Same Quality as Factory OEM

Every SPOOLOGIC turbo vane position sensor & socket kit is built to OEM electrical and mechanical specifications, pre-tested before shipment, and packaged with a 1-year limited warranty. You get factory-grade fitment and signal accuracy without paying dealer pricing.

What's Included

• (1) SL-600-035 Turbo Vane Position Sensor
• (1) SL-600-037 Turbo Vane Position Sensor Socket

Components Replace These Factory OEM Part Numbers

This part replaces the following factory OEM and aftermarket cross-reference numbers:

• GM OEM: 12630145, 12643471, 19210790, 7635270712, 7718640001, 97376380, 97603320, 98011739
• Other Cross-Reference: 12400, 290014, SP12400, TSS1240, TVS1240

Fits 2004.5-2016 6.6L Duramax LLY LBZ LMM LML / 6.6L Duramax LLY LMM LGH

• 2004.5 – 2016 Chevrolet Silverado GMC Sierra 2500 / 3500 6.6L Duramax LLY LBZ LMM LML
• 2006 – 2016 Chevrolet Express GMC Savana 2500 / 3500 / 4500 6.6L Duramax LLY LMM LGH

1-Year Limited Warranty

This SPOOLOGIC sensor is backed by a 1-year limited warranty against manufacturing defects. Warranty covers replacement of the part only and does not cover labor, consequential damages, or failures caused by improper installation.

Features

• Direct-fit turbo vane position sensor & socket kit for 2004.5-2016 Chevrolet Silverado GMC Sierra 2500 3500 6.6L Duramax LLY LBZ LMM LML
  / 2006-2016 Chevrolet Express GMC Savana 2500 3500 4500 6.6L Duramax LLY LMM LGH
• OEM-compatible — plugs into the factory engine harness with no tuning or piggyback module
• Complete service kit — sensor + matching service component bundled together
• Replaces 12400, 12630145, 12643471, 19210790, 290014, 7635270712, 7718640001, 97376380 and more
• Brand new — pre-tested to OEM signal and fitment specs
• Backed by a 1-year limited warranty