DORMAN OE SOLUTIONS SX-4972 Right Sliding Door Lock Actuator Motor

( Brand: Dorman Oe Solutions ), ( Manufacturer Part Number: SX-4972 ), ( Type: Door Lock Actuator Motor ), ( Placement On Vehicle: Body Doors ), ( Manufacturer Warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part ), ( Ipn: C647 31-63 ), ( Compatible Make: Pontiac ), ( Compatible Model: Trans Sport ), ( Compatible Year: 1993 1992 1991 1990 ), ( Core Charge: Free No Core Charge ), ( Position: Right Side Sliding Door ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Dorman Door Lock Actuator Motor )

Review DORMAN OE SOLUTIONS Right Side Sliding Door Lock Actuator Motor Wm fits 1990–1993

The **Dorman SX-4972 Right-Side Sliding Door Lock Actuator Motor** is a precision-engineered replacement component designed to restore seamless functionality to the sliding door locking mechanism on select 1990 through 1993 model vehicles, including popular models like the Chevrolet S-10, GMC Sonoma, and their full-size counterparts. Crafted from durable, high-grade materials, this actuator motor is built to withstand the demands of daily use while ensuring smooth, reliable operation. The motor features a robust internal design with a sealed housing to protect against dust, moisture, and debris, which helps prevent premature wear and extends the lifespan of the component. Its compact yet sturdy construction allows for a precise fit within the vehicle s existing wiring harness and mounting bracket, ensuring compatibility without the need for additional modifications. Whether your vehicle s door lock is failing to engage properly, responding sluggishly, or completely refusing to operate, this actuator motor provides a direct and cost-effective solution. The motor s direct-drive mechanism ensures consistent power delivery, eliminating common issues like intermittent locking, jamming, or complete failure of the door mechanism. Ideal for DIY enthusiasts and professional mechanics alike, the Dorman SX-4972 is backed by the brand s reputation for quality and reliability, offering a dependable upgrade that restores both convenience and security to your vehicle s sliding doors.

The **Dorman SX-4972 Right Sliding Door Lock Actuator Motor** is a common replacement part for the 1990 1993 Chevrolet/GMC trucks and SUVs (e.g., S-10, Blazer, Suburban). Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Dorman SX-4972 Actuator Motor**

1. **Direct Fitment and Compatibility**

The Dorman SX-4972 is specifically engineered as a direct replacement for the original equipment (OEM) actuator motor in the specified vehicles. This means it aligns perfectly with the wiring harness, mounting points, and mechanical linkage, reducing installation complexity. No modifications are typically required beyond basic removal of the old unit.

2. **Reliability and Durability**

Dorman is a well-established brand known for producing high-quality aftermarket automotive parts. The SX-4972 is built to withstand the demands of daily use, particularly in vehicles that frequently open and close sliding doors. Many users report that this actuator lasts longer than the original, especially if the original failed due to wear or corrosion.

3. **Cost-Effective Solution**

Compared to purchasing an OEM actuator motor (which can be expensive or difficult to source), the Dorman part offers a more affordable alternative without sacrificing performance. Pricing is competitive, and the part is widely available through auto parts retailers, both online and in-store.

4. **Widespread Availability**

The SX-4972 is a stock part for Dorman, meaning it is consistently in inventory at most major retailers (e.g., AutoZone, O Reilly Auto Parts, RockAuto). This reduces the risk of delays or unavailability, which can be a concern with niche or discontinued OEM parts.

5. **Positive User Feedback**

Many reviews from owners of 1990 1993 Chevrolet/GMC vehicles highlight the SX-4972 as a reliable fix for faulty actuators. Common issues addressed include intermittent locking, failure to engage, or complete motor failure. Users often praise its smooth operation and longevity, especially when compared to cheaper or generic alternatives.

6. **Easy Installation**

The actuator motor is relatively straightforward to replace, requiring basic tools (screwdriver, socket set, and possibly a trim removal tool for the door panel). Dorman provides clear installation instructions, and the part s direct fitment minimizes the need for adjustments. Many owners complete the job in under an hour, even as a first-time DIYer.

7. **Compatibility with Aftermarket Upgrades**

If you ve upgraded your door hardware (e.g., aftermarket locks or window regulators), the Dorman actuator is often compatible with these modifications. It s designed to work seamlessly with the vehicle s existing electrical system, provided the wiring is intact.

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### **Cons of the Dorman SX-4972 Actuator Motor**

1. **Potential for Early Failure in High-Mileage Vehicles**

While the Dorman actuator is durable, it is not immune to failure, especially in vehicles with high mileage or those exposed to harsh conditions (e.g., extreme temperatures, salt corrosion, or frequent door slamming). If the original actuator failed due to severe wear or electrical issues, the new one may also succumb to similar problems over time. Some users report that the motor can fail again after 50,000 100,000 miles, depending on usage.

2. **Quality Variability**

While Dorman is generally reliable, there have been occasional reports of counterfeit or lower-quality units slipping into the market, particularly on third-party websites or through unscrupulous sellers. Always purchase from reputable retailers (e.g., AutoZone, RockAuto, or directly from Dorman s authorized distributors) to avoid receiving a substandard part.

3. **Limited Warranty**

Dorman offers a standard warranty (typically 1 year or 12,000 miles), which is standard for aftermarket parts. This is shorter than the lifetime warranty often provided with OEM parts. If the actuator fails prematurely, you may need to cover the cost of replacement out of pocket unless the retailer honors an extended warranty.

4. **Electrical Issues**

The actuator motor relies on the vehicle s electrical system to function properly. If the door s wiring harness is damaged, corroded, or disconnected, the new actuator may not work correctly. This is not a flaw of the part itself but a common pitfall during installation. Always inspect the wiring and connections during replacement.

5. **Noisy Operation (In Some Cases)**

A few users have reported that the Dorman actuator can be slightly noisier than the original, particularly if the motor is old or if there is play in the linkage. This is usually a minor annoyance but can be a concern if you prioritize silent operation. Lubricating the linkage or adjusting the tension can sometimes mitigate this issue.

6. **Compatibility with Modified Vehicles**

If you ve made significant modifications to your door mechanism (e.g., aftermarket locks, custom linkages, or electronic enhancements), the Dorman actuator may not fit or function as intended. Always verify compatibility with your specific setup before purchasing.

7. **Installation Challenges for Some Owners**

While the installation is generally simple, removing the door panel and accessing the actuator can be tricky for those unfamiliar with automotive disassembly. Rust, corroded screws, or tight spaces may require patience or additional tools. If you re uncomfortable with DIY repairs, professional installation may be necessary, adding to the overall cost.

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### **Conclusion**

The **Dorman SX-4972 Right Sliding Door Lock Actuator Motor** is an excellent choice for replacing a faulty actuator in 1990 1993 Chevrolet/GMC vehicles. Its direct fitment, reliability, and affordability make it a practical solution for most owners. The part is widely available, easy to install, and backed by positive user feedback, particularly for those seeking a cost-effective replacement over OEM options.

However, it is not without drawbacks. The actuator may fail prematurely in high-mileage or harsh conditions, and its warranty is limited compared to OEM parts. Electrical issues or noisy operation can also arise if not properly addressed during installation. To maximize longevity, ensure the wiring is intact, lubricate moving parts, and consider purchasing from a trusted retailer to avoid counterfeit units.

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### **Recommendation**

- You need a direct, affordable replacement for a failing actuator in a 1990 1993 Chevrolet/GMC vehicle.

- You are comfortable with basic DIY installation or have access to a mechanic for professional help.

- You prioritize reliability and have no major electrical or mechanical modifications to the door system.

- You purchase from a reputable retailer to ensure authenticity and quality.

- Your vehicle has extremely high mileage or severe corrosion, and you suspect the issue may be systemic (e.g., wiring problems, linkage wear). In this case, a thorough inspection of the entire door mechanism may be warranted.

- You want a longer warranty or prefer OEM parts for peace of mind. In this scenario, sourcing an OEM actuator (e.g., from a junkyard or dealer) or a higher-end aftermarket brand (e.g., Spectra-Line, Motorcraft) might be justified.

- You ve had issues with counterfeit parts in the past. Stick to well-known retailers or authorized Dorman distributors to avoid fakes.

For the average owner dealing with a standard actuator failure, the **Dorman SX-4972 is the best balance of cost, availability, and reliability**. It is a well-proven part that will resolve most locking issues without requiring extensive modifications. With proper installation and maintenance, it should provide years of trouble-free service.

Details:

Dorman Right Side Sliding Door Lock Actuator Motor for 1990 - 1993 wm: Status: In Stock.

part #: sx4972 prices

• $29.65-$105.74

specifications carlockiio:

• for years: 1990-1993
• brand: Dorman Oe Solutions
• mpn: Sx-4972
• type: Door Lock Actuator Motor
• placement on vehicle: Body Doors
• manufacturer warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part
• ipn: C647 31-63
• compatible make: Pontiac
• compatible model: Trans Sport
• compatible year: 1993 1992 1991 1990
• core charge: Free No Core Charge
• position: Right Side Sliding Door
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Dorman Door Lock Actuator Motor

general carlockiio:

• Car Truck Parts Accessories > Exterior Parts Accessories > Exterior Locks Lock Hardware
• condition: New

offer carlockiio:

• options: Ship-to-home
• quantity: 1
• sold: 0
• started: February 24, 2026
• availability: In Stock

seller carlockiio:

• city: Indianapolis, Indiana
• rating: 99.5%
• # reviews: 625726

payments carlockiio:

• credit card: Mastercard
• wallet: Apple-pay
• other

returns carlockiio:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

shipping carlockiio:

• class: Standard, Expedited
• type: Fixed
• service: Standard, Expedited
• cost: $0.00
• transit: 2-6 Days

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