Seat, front split, driver and passenger, full feature center

Years 2009, 2014–20, 2022–27 Models 12 Factory citations 41

Also described as Seats, front 40/20/40 split bench, with covered armrest storage and lockable under-seat storageSeats, front 40/20/40 split-bench, 3-passenger, reclining, lockable storageSeats, front 40/20/40 split benchSeats, front, 40/20/40 split-benchSeat, front 40/20/40 split-bench, premium clothSeats, front split, driver and passenger, full-feature center

Also documented for Cadillac Chevrolet

Documented applications

Sierra 1500 — Next-Generation (2027)

2027 Factory-verified

Pro: included in the trim group; AT4, Elevation, AT4X, Denali, Denali Ultimate: not offered

GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide, p.16.
GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Sierra — GMT900 (2007–2013)

2009 Factory-verified

GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.

Sierra HD — GMT900 (2007–2014)

2009, 2014 Factory-verified

the 2014 guides describe a 40/20/40 split bench with a lockable storage compartment; SLE

GM factory document — 2009 gmc sierra 2wd rpo code list, p.1.
GM factory document — 2014 gmc sierra 2500hd fleet order guide wayback, p.1.
GM factory document — 2014 gmc sierra 3500hd fleet order guide wayback, p.1.

Sierra HD — K2XX (2015–2019)

2015, 2018–2019 Factory-verified

manual driver lumbar and seat cushion storage compartment; 2015 marks: Sierra, SLT: not offered; SLE: included in the trim group; 2019: Sierra, SLT: not offered; SLE: S; 2018: GM's 2018 Sierra 2500HD order guide

GM factory document — 2015 gmc sierra 2500hd fleet order guide wayback, p.1.
GM factory document — 2019 gmc sierra 2500hd fleet order guide wayback, p.1.
GM factory document — 2018 gmc sierra 2500hd order guide copy gm authority, p.6.

Sierra HD — T1XX (2020–2027)

2025–2027 Factory-verified

covered armrest storage and lockable under-seat storage; Pro, SLE: S; SLT: included in the trim group, upgradeable; AT4, AT4X, Denali, Denali Ultimate: not offered

GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide, p.5.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide, p.4.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide, p.3.

Sierra — K2XX (2014–2019)

2014, 2016–2019 Factory-verified

unlike AE7, adds a lockable storage compartment in the seat cushion; cloth or leather-appointed.

GM factory document — 2014 gmc sierra 1500 fleet order guide wayback, p.2.
GM factory document — 2016 gmc sierra 1500 fleet order guide wayback, p.2.
GM factory document — 2017 chevrolet sierra silverado electrical body builders manual service manual 2017 en us, p.14.
GM factory document — 2018 gmc sierra 1500 order guide copy gm authority, p.87.
GM factory document — 2019 gmc sierra 1500 limited double cab k2xx order guide copy gm authority, p.39.

Sierra — T1XX (2019–2026)

2019–2020, 2022–2026 Factory-verified

the upfitter lists read "Seat, front split, driver, passenger, full feature center"

GM factory document — 2019 gmc 19 sierra 1500 body builder feb 20, p.10.
GM factory document — 2020 gmc 20 sierra 1500 electrical body buil 1, p.10.
GM factory document — 2022 gmc 22 sierra 1500 new electrical body builder sm en us 2022jul20, p.10.
GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.10.
GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.11.
GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.9.
GM factory document — 2025 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Yukon — GMT900 (2007–2014)

2009 Factory-verified

GM factory document — 2009 gmc yukon 2wd rpo code list, p.1.

Yukon — K2XX (2015–2020)

2015–2018 Factory-verified

SLE: A; brings AY0; 2018 from GM's 2018 Yukon order guide

GM factory document — 2015 gmc yukon denali fleet order guide wayback, p.1.
GM factory document — 2016 gmc yukon denali fleet order guide wayback, p.1.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.14.
GM factory document — 2018 gmc yukon order guide copy gm authority, p.26.

Yukon — T1XX (2021–2027)

2022–2023 Factory-verified

GM factory document — 2022 gmc 22 yukon yukon xl electrical body builder sm u 2021oct13, p.10.
GM factory document — 2023 gmc 23 yukon yukon xl electrical body builder sm en us 092822, p.10.

Yukon XL — K2XX (2015–2020)

2015–2017 Factory-verified

SLE: A; SLT, Denali: not available

GM factory document — 2015 gmc yukon xl denali fleet order guide wayback, p.1, p.2.
GM factory document — 2016 gmc yukon xl denali fleet order guide wayback, p.1, p.2.
GM factory document — 2016 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2016 en us, p.5.
GM factory document — 2017 chevrolet escalade escalade esv suburban tahoe yukon yukon xl electrical body builders manual service manual 2017 en us 1, p.14.

Yukon XL — T1XX (2021–2027)

2022–2023 Factory-verified

GM factory document — 2022 gmc 22 yukon yukon xl electrical body builder sm u 2021oct13, p.10.
GM factory document — 2023 gmc 23 yukon yukon xl electrical body builder sm en us 092822, p.10.

This page aggregates every documented appearance of AZ3 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.