Performance Overview

The TMC 78-TM1000 Shock Absorber is designed as a direct replacement part for compatible Buick, Chevrolet, Cadillac, GMC select vehicles applications. It is built to support reliable performance, proper fitment, and straightforward installation when replacing a worn or damaged component.

Installation Position: Rear

Key Features

• Precision engineered with G-Force technology for the ultimate in safety and performance
• Working tube made of SteelPro™ alloy steel to provide superior strength
• toughness and impact resistance while maintaining unmatched ductility
• Surface-treated provides abrasive and contaminant protection while preventing rust
• Piston rods made of S45C medium carbon steel for precision and wear resistance

Interchange Numbers

Interchange / Cross Reference Part Numbers: 346569, 3410120, 37429, 84557944, 84557945, 84557946, 84557947, 84574670, 84574671, 84574672, 84574674, 84749049, 84749050, 84749051, 84749052, 84761432, 84770760, 84770761, 85103380, 85103381, TM1000, 251390

Please compare these interchange numbers with your original part number and confirm vehicle compatibility before ordering.

Vehicle Fitment

Review the vehicle fitment list below to confirm this part matches your vehicle before purchase.

• 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
• 2019 Cadillac XT5
• 2020 Cadillac XT5
• 2021 Cadillac XT5
• 2022 Cadillac XT5
• 2023 Cadillac XT5
• 2024 Cadillac XT5
• 2019 Chevrolet Blazer
• 2020 Chevrolet Blazer
• 2021 Chevrolet Blazer
• 2022 Chevrolet Blazer
• 2023 Chevrolet Blazer
• 2024 Chevrolet Blazer
• 2019 GMC Acadia
• 2020 GMC Acadia
• 2021 GMC Acadia
• 2022 GMC Acadia
• 2023 GMC Acadia

Vehicle Fitment Table

FAQ

Will this fit a 2018 Buick Enclave?
Yes, this Shock Absorber fits the vehicles listed in the Vehicle Fitment section above. Please confirm the year, make, model, and position before ordering.

What position does this part fit?
This part is listed for the Rear position on compatible vehicles.

Can I use the interchange numbers to confirm compatibility?
Yes. Compare the interchange or cross-reference numbers shown above with your original part number, then verify the vehicle fitment before ordering.

Is professional installation recommended?
Professional installation is recommended to help ensure proper fit, safe operation, and correct system performance.

Common Searches

• Shock Absorber for Buick, Chevrolet, Cadillac, GMC select vehicles
• Rear Shock Absorber for 2018 Buick Enclave
• TMC 78-TM1000 Shock Absorber
• replacement 78-TM1000 Shock Absorber
• 2018-2024 Buick, Chevrolet, Cadillac, GMC select vehicles Shock Absorber