Door Lock Latch Actuator - Rear Left Driver Side

This Yikesai rear left driver-side door lock latch actuator restores power locking and quiet operation for compatible 2001–2006 Cadillac, Chevy and GMC trucks and SUVs.

If a door on your Escalade, Avalanche, Silverado, Suburban, Tahoe, Sierra or Yukon won't lock, makes noise when actuated, or fails to respond to the remote, the actuator inside the door is a common cause. This replacement unit is engineered to match the original fit and function for specific GM model years, offered with a one-year warranty and lifetime technical support to simplify the swap.

Which vehicles and part numbers does this actuator replace?

This actuator is designed to fit a range of GM full-size trucks and SUVs from model years around 2000–2006. It replaces several OEM numbers so you can confirm compatibility before purchase.

• Fits: Cadillac Escalade (2002–2006), Escalade EXT, Escalade ESV (2003–2006)
• Chevrolet: Avalanche (2001–2006), Silverado 1500/2500/3500 (2001–2006), Tahoe/Suburban (2000–2006)
• GMC: Sierra and Sierra HD, Yukon/Yukon XL (2000–2006)
• Replaces part numbers: 15110651, 15068504, 16872415, 16637325, 15761421, DLA1155

How will this actuator solve my door-lock problems?

Installed inside the door, the actuator converts electrical signals from your key fob or door switch to mechanical motion that locks and unlocks the latch. Faulty actuators commonly cause inoperative locks, erratic movement, or loud clicking noises when the door is commanded.

• Restores reliable lock/unlock response to remote and interior switches.
• Eliminates grinding or buzzing sounds during actuation.
• Resolves issues where doors won’t open or remain locked unexpectedly.

What should I expect during installation and fitment checks?

The unit is made to be a direct replacement for the original actuator on supported doors. Basic hand tools and moderate DIY experience are usually sufficient; some jobs may require door panel removal and connector reconnection.

• Located on the rear left (driver-side) door—verify placement on your vehicle.
• Compare the physical connector and mounting points against the old actuator before installation.
• Allow time to remove inner door panel, unplug wiring harness, swap the actuator, and reassemble.

What are the construction and warranty details?

This replacement actuator is manufactured from durable, weather-resistant materials and undergoes quality checks to help ensure consistent operation across seasons. Yikesai backs the part with a 12-month warranty and lifetime technical assistance if you need help.

• High-grade components for improved longevity in varied climates.
• Tested for reliable electrical and mechanical performance.
• Includes one actuator, 12-month warranty, and lifetime support from Yikesai.

Who is this for: Technically minded DIYers, independent mechanics, and fleet owners who need a dependable, direct-fit door lock actuator for older GM full-size trucks and SUVs. If your vehicle matches the fitment list above and you’re experiencing faulty locking behavior, this Yikesai actuator is a cost-effective replacement option to restore proper door lock function without resorting to used parts.