8T7 ✓ Factory-verified

GMC · Regular Production Option

Front axle half-shaft protective boot/cover (4WD) (SEO)

Years 2001 Models 3 Factory citations 3

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Also described as Shaft, front wheel drive, with protective cover

Also documented for Chevrolet

Documented applications

Sierra — GMT800 (1999–2007) →

• 2001 ✓ Factory-verified
  ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1.

Sierra HD — GMT800 (2001–2007) →

• 2001 ✓ Factory-verified
  ⛭ GM factory document — 2001 gmc gmc c sierra 2wd rpo code list, p.1.

Yukon — GMT800 (2000–2006) →

• 2001 ✓ Factory-verified
  ⛭ GM factory document — 2001 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of 8T7 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.