A-Premium Rear Driver Door Lock Actuator for GM Vehicles — Left Rear Direct-Fit Replacement, OE-Style Connectors

The A-Premium rear driver-side door lock actuator is a direct-fit replacement that restores reliable power locking on select Chevrolet, Cadillac, Buick and GMC models.

If your vehicle’s left rear door stops locking or unlocking with the key fob or interior switch, a worn actuator is often the cause. This A-Premium unit is designed to match OE mounting points and electrical connections, simplifying installation and returning smooth, quiet operation. It is built to the specifications listed below and backed by a one-year, unlimited-mileage guarantee for added confidence.

Which vehicles will this actuator fit?

This actuator fits many late-model GM vehicles—check the specific year and model before ordering. It covers Buick, Cadillac, Chevrolet and GMC lines across sedans, SUVs and trucks from mid-2010s to 2020 depending on model.

• Buick Envision: 2016–2017
• Cadillac ATS: 2016–2018; CTS: 2015–2019; Escalade: 2016–2020; 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: 2016–2020; Yukon XL: 2017–2019
• Reference numbers to cross-check: 13597802, 13507135, 13597525, 13598381

How easy is installation and what tools will I need?

The actuator is made to align with factory mounting points and the original electrical connector, which keeps installation straightforward for someone with basic automotive skills. Typical installation requires removing the door panel to access the latch assembly.

• Common tools: trim pry tools, Phillips screwdriver, small ratchet set
• No cutting or splicing required when matched to the correct vehicle application
• Expect 30–90 minutes depending on your experience and vehicle access

What are the product’s durability and warranty details?

A-Premium builds this actuator to meet the fit and function needs of replacement repairs. The company supports the part with a one-year unlimited-mileage guarantee, covering defects in workmanship and materials under normal use.

• Constructed for everyday power-lock cycles and typical environmental exposure
• Backed by a one-year unlimited-mileage warranty from A-Premium
• Recommended to verify fitment using reference numbers and vehicle year/model

Will this actuator restore remote and manual locking function?

Yes—when the actuator is compatible with your vehicle’s latch assembly, it restores both power (remote and switch) and manual locking actions through the original hardware. Confirming the correct part number ensures electrical and mechanical interfaces match.

• Restores normal power lock/unlock response with factory remotes
• Maintains manual lock lever and interior switch operation
• Verify with reference numbers 13597802, 13507135, 13597525, 13598381 for fit compatibility

Who is this for: Drivers and DIY technicians who own compatible Buick, Cadillac, Chevrolet or GMC models and need a reliable rear left door lock actuator replacement. It’s intended for someone who wants an affordable, direct-fit part that matches factory connections and includes a one-year guarantee—ideal for restoring normal locking behavior without sourcing expensive dealer parts.