- 2015, 2018–2019 Factory-verified
10-way power driver and passenger seat, power recline and lumbar, 2-position driver memory; 2015 marks: Sierra, SLE: not offered; SLT: included in the trim group; 2018: GM's 2018 Sierra 2500HD order guide
B3F Factory-verified
Also described as Seats, front, 40/20/40 leather-appointed split-bench
Also documented for Chevrolet
Documented applications
- 2014, 2016–2018 Factory-verified
heated, 10 way power driver and passenger, driver memory.
This page aggregates every documented appearance of B3F in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.