JA1 ✓ Factory-verified

GMC · Regular Production Option

Brake, lightweight, disc/drum

Years 2004–09 Models 1 Factory citations 6

Query this via API →

Also documented for BuickChevrolet

Documented applications

Canyon — GMT355 (2004–2012) →

• 2004–2009 ✓ Factory-verified
  ⛭ GM factory document — 2004 gmc canyon pickup 2wd rpo code list, p.1.

  ⛭ GM factory document — 2005 gmc canyon pickup 2wd rpo code list, p.1.

  ⛭ GM factory document — 2006 gmc canyon pickup 2wd rpo code list, p.1.

  ⛭ GM factory document — 2007 gmc canyon pickup 2wd rpo code list, p.1.

  ⛭ GM factory document — 2008 gmc canyon pickup 2wd rpo code list, p.1.

  ⛭ GM factory document — 2009 gmc canyon pickup 2wd rpo code list, p.1.

This page aggregates every documented appearance of JA1 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.