Transmission, continuously variable (CVT)

Years 2016–17, 2020 Models 1

Documented applications

Spark — M400 (2016–2022)

2016–2017 Confirmed

in the equipment group of every CVT model (1SB, 1SD, 1SF); with the GY6 3.76 axle; 2016 from a GM parts restriction notice (PQC, November 2015) for 2016 Sparks with the Jatco CVT7 RPO MR8 (NHTSA copy); 2017 from GM Authority's 2017 Spark page, which names MR8 (the 2017 guide prints it only as equipment-group contents (the 'Included in Equipment Group' mark only) of groups 1SB, 1SD and 1SF, p.21); 2018 and 2019 are left out: those guides print it only as equipment-group contents (the 'Included in Equipment Group' mark only) of groups 1SB, 1SD, 1SH and 1SF (2018 guide p.8, p.29; 2019 guide p.29)
2020 Single-source

GM Authority 2020 Spark page (does not credit GM), with the 3.76 axle

This page aggregates every documented appearance of MR8 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.