Restraint system, seat, inflatable, driver and passenger

Years 1998–10, 2014–19, 2022–27 Models 5 Factory citations 35

Also described as Restraint system, SIR, driver and passengerAir bags, frontal, driver and right front passenger, single stage

Also documented for Buick Cadillac Chevrolet Hummer Oldsmobile Pontiac Saturn

Documented applications

Envoy — GMT360 (2002–2009)

2002–2009 Factory-verified

GM factory document — 2002 gmc envoy 2wd rpo code list, p.1.
GM factory document — 2003 gmc envoy 2wd rpo code list, p.1.
GM factory document — 2005 gmc envoy 2wd rpo code list, p.1.
GM factory document — 2008 gmc envoy 2wd rpo code list, p.1.
GM factory document — 2009 gmc envoy 4wd rpo code list, p.1.

Savana — GMT600 (1996–2002)

1998–2002 Factory-verified

the 2001–2002 lists print the driver-only wording of AJ3 (apparent misprint)

GM factory document — 1998 gmc savana rpo code list, p.1.
GM factory document — 1999 gmc savana rpo code list, p.1.
GM factory document — 2000 gmc savana rpo code list, p.1.
GM factory document — 2001 gmc savana rpo code list, p.1.
GM factory document — 2002 gmc savana rpo code list, p.1.

Savana — GMT610 (2003–2027)

2003–2010, 2014–2018, 2022–2027 Factory-verified

the 2003–2006 lists print the driver-only wording of AJ3; the 2025–2027 guides read Airbags, frontal, front driver and right front passenger; S: Cargo 1WT, Cutaway 1WT, Cutaway 2WT (2025–2026), Passenger 1LS, Passenger 1LT

GM factory document — 2003 gmc savana rpo code list, p.1.
GM factory document — 2006 gmc savana rpo code list, p.1.
GM factory document — 2008 gmc savana rpo code list, p.1.
GM factory document — 2008 chevrolet ld electricalfullsizevans, p.15.
GM factory document — 2009 gmc savana rpo code list, p.1.
GM factory document — 2009 chevrolet ld electricalfullsizevans 100813, p.13.
GM factory document — 2010 chevrolet gh van elec 1 7 d1 100813, p.13.
GM factory document — 2014 chevrolet gh van elec bbm si brief, p.5.
GM factory document — 2018 chevrolet 18 express savana bodybuilders sm 2017nov06, p.14.
GM factory document — 2022 chevrolet 22 express savana electrical body builder sm en us 2021oct12, p.12.
GM factory document — 2025 chevrolet my25 express savana electrical bbm, p.10.
GM factory document — 2025 gmc savana cargo fleet order guide, p.18.
GM factory document — 2025 gmc savana cutaway fleet order guide, p.24.
GM factory document — 2025 gmc savana passenger fleet order guide, p.14.
GM factory document — 2026 chevrolet my26 express savana electrical bbm, p.10.
GM factory document — 2026 gmc savana cargo fleet order guide, p.19.
GM factory document — 2026 gmc savana cutaway fleet order guide, p.25.
GM factory document — 2026 gmc savana passenger fleet order guide, p.15.
GM factory document — 2027 gmc savana cargo fleet order guide, p.17.
GM factory document — 2027 gmc savana cutaway fleet order guide, p.13.
GM factory document — 2027 gmc savana passenger fleet order guide, p.14.

Sierra HD — K2XX (2015–2019)

2015, 2019 Factory-verified

only in: 3500HD; 2015 marks: Sierra, SLE, SLT: S; 2019: GM's 2019 Sierra 3500HD order guide

GM factory document — 2015 gmc sierra 3500hd fleet order guide wayback, p.2.
GM factory document — 2019 gmc sierra 3500hd order guide copy gm authority, p.1.

Yukon — GMT900 (2007–2014)

2007–2008 Factory-verified

GM factory document — 2007 gmc yukon 2wd rpo code list, p.1.
GM factory document — 2008 gmc yukon 2wd rpo code list, p.1.

This page aggregates every documented appearance of AK5 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.