Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers Workshop Approved Your Build Deserves Better Trusted by Mechanics & Explorers

GM / ALLISON #29542692 — INTERNAL MODE SWITCH (NSBU)

TRANSMISSION:

ALLISON 1000 2000 (6-SPEED AUTOMATIC — GEN 4)
✔️ Also used in Allison 2000 / 2400 family


FITMENT (FACTS ONLY — CLEAN)

CHEVROLET

  • Silverado 2500HD / 3500HD
    • Years: 2006-2016
    • Engine: 6.6L Duramax Diesel (LBZ / LMM / LML)
    • Transmission: Allison 1000 (6-Speed)

GMC

  • Sierra 2500HD / 3500HD
    • Years: 2006-2016
    • Engine: 6.6L Duramax Diesel (LBZ / LMM / LML)
    • Transmission: Allison 1000 (6-Speed)

HUMMER

  • H1 Alpha
    • Years: 2006-2007
    • Engine: 6.6L Duramax Diesel
    • Transmission: Allison 1000 (6-Speed)

PART FUNCTION

  • Internal Mode Switch (IMS) / NSBU / PRNDL
  • Reports gear position to TCM
  • Internal valve body mounted

IMPORTANT FACTS

  • ✔️ ONLY 6-Speed Allison (2006+)
  • ✔️ OE 29542692 fits all above applications

Frequently Bought Together

Total price$2,007.92

Complementary products