A-Premium Rear Driver Door Lock Actuator for Chevy Cadillac GMC — Rear Left Replacement, OE-Style Fit

The A-Premium rear driver-side door lock actuator is a direct-replacement power latch assembly designed to restore reliable locking and central-lock function on compatible Chevy, Cadillac, Buick and GMC models.

This replacement rear left door lock actuator fits a broad range of General Motors vehicles and is built to match OE mounting points and electrical connections for straightforward installation. It arrives tested for basic function and is backed by A-Premium’s one-year unlimited-mileage guarantee, so you can replace a failing actuator without upgrading other door components.

Will this actuator physically fit my vehicle?

This actuator is intended for the rear driver-side door and lists model years and platforms from Buick, Cadillac, Chevrolet and GMC. Always compare the reference numbers listed and your vehicle’s part to confirm compatibility before ordering.

• Compatible Buick Envision: 2016–2017
• Cadillac: ATS (2016–2018), CTS (2015–2019), Escalade/Escalade ESV (2015–2020), XTS (2015–2019)
• Chevrolet: Colorado/Tahoe (2016–2020), Impala (2015–2020), Silverado 1500 (2014–2019), Silverado 2500/3500 HD (2015–2020), Suburban (2017–2019)
• GMC: Canyon (2016–2020), Sierra 1500 (2014–2019), Sierra 2500/3500 HD (2015–2020), Yukon/Yukon XL (2016–2020)

How straightforward is the installation?

Installation is typically a door-panel removal and electrical connector swap, matching the actuator’s mounting points to the original unit. No major door mechanism modifications are required when replacing a like-for-like actuator.

• Direct electrical connector designed to match factory harness
• OE-style mounting holes for bolt-on fitment
• No need to replace the entire latch assembly in most cases

What are the important part numbers and warranty details?

Check your vehicle’s existing part number against the references supplied to ensure a correct match. A-Premium supports this part with a one-year unlimited-mileage guarantee for manufacturing defects under normal use.

• Common reference numbers: 13597802, 13507135, 13597525, 13598381
• One-year unlimited-mileage guarantee from A-Premium
• Tested for basic electrical function before shipping

What symptoms indicate this part needs replacement?

A failing rear driver door actuator often causes intermittent or total loss of power locking on that door, strange noises when locking, or the door failing to latch centrally. Replacing the actuator typically resolves these electrical or mechanical lock issues when the rest of the latch hardware is intact.

• Door won’t lock/unlock with key fob or central locking
• Grinding, clicking, or no sound from inside the door when operating locks
• Door doesn’t secure properly despite latch alignment being correct

Who is this for: This A-Premium rear left (driver-side) door lock actuator is for owners of compatible Buick, Cadillac, Chevrolet, and GMC vehicles who need a reliable, OE-style replacement. It suits DIY installers and professional technicians who want a direct-fit part with factory-style electrical connections and a one-year parts guarantee. Before purchasing, verify vehicle year/model and cross-check part reference numbers to confirm fitment.