DORMAN OE SOLUTIONS SX-3970 Rear Left Door Lock Actuator Body Motor

( Brand: Dorman Oe Solutions ), ( Manufacturer Part Number: SX-3970 ), ( Type: Door Lock Actuator Motor ), ( Placement On Vehicle: Body Doors ), ( Manufacturer Warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part ), ( Ipn: C368 78-52 ), ( Compatible Year: 1995 1994 1993 1992 ), ( Core Charge: Free No Core Charge ), ( Position: Rear Left ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Dorman Door Lock Actuator Motor )

Review DORMAN OE SOLUTIONS Rear Left Door Lock Actuator Motor Buick Body No fits SKYLARK 1992–1995

The **Dorman SX-3970 Rear Left Door Lock Actuator Motor** is a high-quality, direct-fit replacement designed specifically for the **1992 through 1995 Buick Skylark** vehicles equipped with the **body-style lock actuator system**. Engineered to meet or exceed OEM specifications, this actuator motor ensures smooth, reliable operation for your vehicle s rear left door lock mechanism, eliminating common issues such as sticking, slow response, or complete failure. Crafted from durable materials, including precision-machined components and corrosion-resistant coatings, this motor is built to withstand the demands of daily use while maintaining long-term performance. The SX-3970 features a robust internal design that delivers consistent power to engage and disengage the door lock with minimal resistance, reducing wear on the surrounding lock components and preventing premature failure. Whether your vehicle s original actuator has deteriorated due to age, rust, or mechanical stress, this Dorman replacement offers a seamless upgrade that restores functionality without the need for extensive modifications. Ideal for both professional mechanics and DIY enthusiasts, the SX-3970 is a straightforward, plug-and-play solution that helps maintain the integrity of your Buick s door lock system, ensuring convenience, security, and peace of mind.

**Pros and Cons of buying a Dorman SX-3970 Rear Left Door Lock Actuator Motor for a 1992 1995 Buick Skylark (Body Hardtop)**

1. **Direct Fitment** The Dorman SX-3970 is specifically designed for the 1992 1995 Buick Skylark (body hardtop), ensuring compatibility with your vehicle s wiring, mounting points, and mechanical interface. This reduces the risk of installation issues or the need for modifications.

2. **Reliability and Quality** Dorman is a well-known brand in the aftermarket automotive parts industry, known for producing durable and dependable components. The actuator motor is built to withstand regular use, reducing the likelihood of premature failure.

3. **Ease of Installation** Since it is an OEM-replacement part, the installation process is straightforward. Most users report that swapping the old actuator for the new one takes less than an hour, especially if you have basic mechanical skills or access to a repair manual.

4. **Warranty Coverage** Dorman parts typically come with a warranty (often 12 months or more), providing peace of mind in case the actuator fails shortly after purchase. This is especially useful if the original part was worn out due to age or neglect.

5. **Cost-Effective Repair** Replacing a faulty door lock actuator is far cheaper than repairing or replacing the entire door panel or wiring harness. The Dorman part is priced affordably compared to OEM replacements, making it a budget-friendly solution.

6. **Prevents Further Damage** A failing door lock actuator can strain the wiring or cause intermittent electrical issues. Replacing it early prevents secondary problems, such as damaged door switches or wiring shorts.

7. **Improved Functionality** A new actuator ensures smooth, consistent operation of the door lock mechanism, eliminating common issues like sticking, slow response, or complete failure to engage.

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1. **Limited Availability of OEM Parts** While Dorman is a reliable aftermarket brand, some buyers prefer genuine OEM parts for long-term durability. However, OEM actuators for this Buick model may be harder to source and significantly more expensive.

2. **Potential for Counterfeit or Low-Quality Copies** If purchasing from an untrusted seller (e.g., third-party online marketplaces without return policies), there is a risk of receiving a counterfeit or substandard replica. Always buy from reputable retailers or dealerships.

3. **Additional Labor Costs** If you lack mechanical experience, hiring a mechanic to install the actuator will add to the total cost. However, this is a one-time expense, and many users choose to DIY to save money.

4. **Wiring or Switch Issues** In rare cases, the problem may not be the actuator itself but a faulty door switch, wiring harness, or ground connection. If these underlying issues aren t addressed, the new actuator may fail again. A thorough diagnosis is recommended before purchasing.

5. **Mismatched Styling (Aesthetic Concerns)** While functional, aftermarket actuators may not match the exact appearance of the original part. However, this is rarely a concern unless you prioritize cosmetic perfection.

6. **Limited Longevity Compared to OEM** While Dorman parts are high-quality, they may not last as long as an original actuator in a vehicle with extensive mileage or harsh driving conditions. Proper maintenance (e.g., keeping door seals clean) can extend the part s lifespan.

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The **Dorman SX-3970 rear left door lock actuator motor** is an excellent choice for repairing a faulty door lock on your 1992 1995 Buick Skylark. Its direct fitment, reliability, and affordability make it a practical solution for most owners. The part is easy to install, backed by a warranty, and significantly cheaper than OEM alternatives. However, ensure you diagnose the issue thoroughly (e.g., check door switches and wiring) before purchasing to avoid unnecessary replacements.

If you re comfortable with basic repairs, installing the actuator yourself is a cost-effective way to restore functionality. If not, a mechanic can handle the job efficiently. For those seeking the absolute longest lifespan, an OEM part may be preferable, but the Dorman option strikes a strong balance between quality and value.

- You ve confirmed the actuator is the root cause of the issue.

- You want a reliable, budget-friendly replacement with minimal hassle.

- You re willing to perform the installation yourself or trust a mechanic to do it correctly.

- You prioritize long-term durability over cost.

- You suspect deeper electrical or mechanical problems that require additional diagnostics.

For most Buick Skylark owners facing this issue, the Dorman part is the best balance of quality, ease of use, and affordability. Always purchase from a trusted seller to avoid counterfeit products.

Details:

Dorman Rear Left Door Lock Actuator Motor for 1992 - 1995 Buick Skylark Body no: Status: In Stock.

part #: sx3970 prices

• $28.18-$135.71

specifications carlockiio:

• for models: Skylark
• for makes: Buick
• for years: 1992-1995
• brand: Dorman Oe Solutions
• mpn: Sx-3970
• type: Door Lock Actuator Motor
• placement on vehicle: Body Doors
• manufacturer warranty: 1 Year / 2 Years / 3 Years / 5 Years Depending On Part
• ipn: C368 78-52
• compatible year: 1995 1994 1993 1992
• core charge: Free No Core Charge
• position: Rear Left
• fitment type: Direct Replacement
• bundle description: 1 Pc Genuine Dorman Door Lock Actuator Motor

shipping carlockiio:

• class: Standard, Expedited
• transit: 3-6 Days
• type: Fixed
• service: Standard, Expedited
• cost: $0.00

returns carlockiio:

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

seller carlockiio:

• # reviews: 646665
• rating: 99.6%
• city: Indianapolis, Indiana

offer carlockiio:

• availability: In Stock
• started: April 18, 2026
• quantity: 1
• sold: 0
• options: Ship-to-home

general carlockiio:

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

payments carlockiio:

• credit card: Diners-club
• other
• wallet: Apple-pay

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