Go-Parts
Cart 0
Your cart is empty
Add an item to see it appear here.
Wrenchy
Go-Parts Garage
Expert guides for diagnosing, troubleshooting, and replacing auto parts Expert guides for diagnosing and replacing auto parts
Browse All →
🛍️ Shop This Part

Replacing the Door Lock Kit on a 1987 GMC V1500

If your key is sticking or the lock feels sloppy, it's time to restore your classic truck's security with a new door lock kit.

3 minutes to read 1987-1987 GMC V1500
Difficulty
2/5
Est. Time
1.5 hrs
DIY Doable?
✅ Yes
Shop Labor
$89-$150
Used OEM Price
$20-$50
Safe to drive — A failing door lock does not affect the vehicle's operation, but it does compromise your ability to secure your property.
Key Takeaways
  • For a 1987 V1500, a new aftermarket door lock kit is the most practical and cost-effective solution.
  • Failure is purely mechanical, with common symptoms like a sticking key or a loose-feeling lock.
  • Standard Ignition is a reputable brand offering reliable replacement kits for this truck.
  • This is a straightforward DIY repair for owners with basic tools, typically taking less than two hours.
The door lock kit on a 1987 GMC V1500 is a completely mechanical system designed to secure your vehicle. It consists of the lock cylinders that fit into your doors, a set of new keys matched to those cylinders, and the small clips needed to attach the cylinders to the internal lock rods. When you insert and turn the key, it moves a pawl that actuates the rod, locking or unlocking the door latch. Unlike modern vehicles, this system does not involve any electronics, wires, or power actuators unless your truck was equipped with optional power locks, which have their own separate components.

Signs of a Failing Door Lock

After decades of use, the door locks on your 1987 V1500 will inevitably wear out. The symptoms are usually straightforward and mechanical. You might find the key is difficult to insert or turn, or it gets stuck in the cylinder. The lock might feel loose and wobbly, indicating worn internal tumblers. Eventually, the lock may fail to engage or disengage entirely, preventing you from securing your truck or getting inside.

Choosing Your Replacement: Aftermarket is the Smart Choice

Finding a brand-new Original Equipment (OEM) door lock kit from GM for a 1987 truck is highly unlikely. Your options are typically used parts from a salvage yard or new aftermarket kits.

  • Used OEM: While an option, you are buying a part that is just as old as the one that failed. It may have significant wear and may not come with keys.
  • New Aftermarket: This is the most practical and reliable solution. Aftermarket brands produce new parts that meet original specifications. For a simple mechanical part like a door lock cylinder, a quality aftermarket kit provides a fresh start with new cylinders and keys, ensuring smooth operation.

Standard Ignition is a well-regarded brand in the aftermarket industry, known for producing quality components that are engineered to be direct-fit replacements. For a V1500, their door lock kits are a dependable choice for restoring proper function and security.

Estimated Cost Comparison

Part Type Estimated Cost
New OEM (If Found) $80 - $220+
New Aftermarket $28.19 - $59.85
Used OEM $20 - $50
Shop Labor $89 - $150

Frequently Asked Questions

Is replacing a door lock kit a good DIY project?

Yes, for most owners with basic hand tools. The process involves removing the interior door panel, releasing a retaining clip, disconnecting the lock rod, and swapping the cylinder. It's a manageable job that typically takes one to two hours.

Do aftermarket kits come with new keys?

Yes, new door lock kits come as a set with two new lock cylinders and a matching pair of keys. This ensures both doors operate with the same key.

Are the driver and passenger side locks different?

The lock cylinders themselves are often identical, but the small pawl or lever on the back may need to be oriented differently for the driver and passenger side. Some kits come with separate pawls. Pay close attention to how the old one comes off.

Should I lubricate the new locks?

It's a good practice to apply a small amount of graphite lubricant to the new lock cylinders. Avoid using oil-based sprays like WD-40, as they can attract dirt and gum up the lock mechanism over time.

Are there any recalls for 1987 GMC V1500 door locks?

No, a search of the National Highway Traffic Safety Administration (NHTSA) database shows no recalls specifically for the door lock cylinders on this vehicle. Any issues are due to normal wear and tear over time.

Technical Specifications

Kit typically includes two door lock cylinders, a matched set of two keys, and retaining clips.

Wrenchy
Article researched & written by
Go-Parts' AI research assistant. Every article is backed by live web research, verified OEM data, and real technician knowledge — so you get accurate, up-to-date information you can trust.
Meet Wrenchy → Updated Jul 21, 2026

The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.

Year Coverage
This article covers the Door Lock Kit for:
  • GMC V1500: 1987
In this article
🛍️ Shop This Part
Jump to ▴

Email This Guide

We'll send you a link to this article so you can read it later or share it.

Added to cart · Part