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Chassis Control Module for Cadillac, Chevrolet, Buick and GMC vehicles

This is a stock photo and not the actual part shipped to the customer. This stock photo is for part-compatibility demonstration purposes only.

Electronics & Programmable

Chassis Control Module

For Cadillac, Chevrolet, Buick and GMC vehicles

OEM Part Numbers

85001638402483698420791684245017842451958435689984440525844566868446361284849877

Our price: $80.00

The Hollander Part Description Text appearing is Copyright © 2026 by Hollander, LLC, All rights reserved.

  • Fitments

Differential Lock (rear differential)

2020 Cadillac CT5
2019 Chevrolet BLAZER
2020 Chevrolet BLAZER
2021 Chevrolet BLAZER
2022 Chevrolet BLAZER
2023 Chevrolet BLAZER
2024 Chevrolet BLAZER
2025 Chevrolet BLAZER
2020 Cadillac CT4
2019 Cadillac XT4
2020 Cadillac XT4
2021 Cadillac XT4
2022 Cadillac XT4
2023 Cadillac XT4
2024 Cadillac XT4

Differential Lock (driveline tube)

2018 Buick ENCLAVE
2019 Buick ENCLAVE
2020 Buick ENCLAVE
2021 Buick ENCLAVE
2022 Buick ENCLAVE
2023 Buick ENCLAVE
2024 Buick ENCLAVE
2018 Chevrolet TRAVERSE
2019 Chevrolet TRAVERSE
2020 Chevrolet TRAVERSE
2021 Chevrolet TRAVERSE
2022 Chevrolet TRAVERSE
2023 Chevrolet TRAVERSE

Differential Lock classic style (VIN S or VIN T, 5th digit) (driveline tube)

2024 Chevrolet TRAVERSE

Differential Lock

2018 Buick LACROSSE
2019 Buick LACROSSE
2020 Cadillac XT5
2021 Cadillac XT5
2022 Cadillac XT5
2023 Cadillac XT5
2024 Cadillac XT5
2025 Cadillac XT5
2020 Cadillac XT6
2021 Cadillac XT6
2022 Cadillac XT6
2023 Cadillac XT6
2024 Cadillac XT6
2025 Cadillac XT6

Differential Lock ID 84440525

2018 Cadillac XT5
2019 Cadillac XT5

Differential Lock (top of carrier)

2018 GMC ACADIA
2019 GMC ACADIA
2020 GMC ACADIA
2021 GMC ACADIA
2022 GMC ACADIA
2023 GMC ACADIA

Differential Lock (carrier housing)

2018 GMC TERRAIN
2019 GMC TERRAIN
2020 GMC TERRAIN
2021 GMC TERRAIN
2022 GMC TERRAIN
2023 GMC TERRAIN
2024 GMC TERRAIN
2018 Chevrolet EQUINOX
2019 Chevrolet EQUINOX
2020 Chevrolet EQUINOX
2021 Chevrolet EQUINOX
2022 Chevrolet EQUINOX
2023 Chevrolet EQUINOX
2024 Chevrolet EQUINOX