JC WHITNEY JFBAJCWWR00389 Rear Right Power Window Regulator 820735699993 Motor

( Brand: Jc Whitney ), ( Manufacturer Part Number: JFBAJCWWR00389 ), ( Part Type: Window Regulator Motor ), ( UPC: 820735699993 )

Review JC WHITNEY Rear Right Power Window Regulator Motor Assembly

The **JC Whitney JFB-AJCWW-R00389 Rear Right Power Window Regulator Motor** is a high-performance, direct-drive electric actuator designed to deliver seamless and reliable operation for the rear right window mechanism in vehicles, ensuring both convenience and durability. Engineered with precision, this regulator motor features a robust, corrosion-resistant construction that is built to withstand the rigors of daily use, including exposure to varying environmental conditions such as moisture, dust, and temperature fluctuations. Its compact yet sturdy design allows for easy installation, fitting seamlessly into the vehicle s existing window frame without requiring extensive modifications, making it an ideal replacement for OEM components that may have failed due to wear or electrical issues. The motor operates with smooth, consistent power, leveraging a high-torque output to handle the resistance of heavy window glass panels, ensuring effortless raising and lowering with minimal strain on the vehicle s electrical system. Equipped with a durable brushless or brushed (depending on the model variant) DC motor, this regulator motor provides long-lasting performance while minimizing the risk of electrical shorts or mechanical binding, which are common issues with lower-quality aftermarket parts. Additionally, the integrated gear reduction system enhances torque efficiency, allowing the motor to operate quietly and effectively even when dealing with larger or thicker window glass. Whether used in sedans, SUVs, or trucks, this regulator motor is engineered to meet or exceed factory specifications, offering a dependable solution for drivers seeking a reliable replacement for their rear right window mechanism. Its compatibility with a wide range of vehicle makes and models including but not limited to those from major automakers makes it a versatile choice for both professional auto technicians and DIY enthusiasts looking to restore or upgrade their vehicle s power window functionality.

Buying the **JC Whitney JFB-AJCWW-R00389 rear right power window regulator motor** has its advantages and disadvantages, depending on your specific needs, vehicle make, and installation preferences. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros of Buying This Part**

1. **OEM-Quality Fitment**

The JC Whitney brand is known for producing aftermarket parts that closely match original equipment manufacturer (OEM) specifications. This part is designed to fit specific vehicle models (such as certain Ford, Lincoln, or Mercury vehicles from the late 1990s to early 2000s) with precision, reducing the risk of misalignment or improper function. The part number suggests it is tailored for a rear right window regulator, ensuring compatibility with the door mechanism.

2. **Reliability and Durability**

JC Whitney parts are generally built to last, often using high-quality materials and robust construction. This regulator motor is likely designed to handle frequent use without premature failure, which is critical for rear windows that may not be used as often as front windows but still require smooth operation. The motor s durability can also reduce the likelihood of needing replacements in the near future.

3. **Warranty Coverage**

JC Whitney typically offers warranties on its products, often ranging from 6 months to 2 years, depending on the part. This provides peace of mind in case the motor fails due to manufacturing defects. The warranty can also make the part more appealing compared to no-name or lower-quality alternatives.

4. **Ease of Installation**

While installation difficulty varies by vehicle, JC Whitney parts are often designed with standard mounting points and wiring connections, making them easier to install than custom or non-standard parts. The part comes pre-assembled, which can save time and effort compared to building a regulator from scratch. Instructions and compatibility guides are usually provided, aiding DIYers.

5. **Cost-Effective Alternative to OEM**

Purchasing an OEM part directly from the dealership can be expensive, especially for older vehicles. JC Whitney offers a more affordable alternative without sacrificing quality, making it a budget-friendly choice for owners who want a reliable replacement without the high cost of a new window regulator.

6. **Wide Availability and Support**

JC Whitney is a well-established brand with a broad distribution network, meaning the part is likely available through multiple retailers (both online and offline). Customer support is also typically responsive, offering assistance with installation questions or warranty claims.

7. **Compatibility with Common Issues**

Many rear window regulator motors fail due to wear, electrical issues, or mechanical stress. This part is designed to address those common failures, providing a straightforward solution for owners experiencing slow, stuck, or non-functional windows.

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### **Cons of Buying This Part**

1. **Limited Vehicle Compatibility**

While the part is designed for specific models, it may not fit every vehicle within its listed range. The exact compatibility depends on the year, trim, and sometimes even the engine configuration of your vehicle. Double-checking the vehicle s compatibility against JC Whitney s specifications is crucial to avoid purchasing the wrong part. Mismatches can lead to installation challenges or even damage to the door panel.

2. **Potential for Counterfeit or Low-Quality Copies**

JC Whitney parts are popular, which means they are sometimes replicated by counterfeit sellers. Buying from unauthorized or third-party sellers (especially on platforms like eBay or Amazon without verified seller status) increases the risk of receiving a knockoff. Always purchase from reputable dealers or directly from JC Whitney s official website to ensure authenticity.

3. **Electrical or Wiring Compatibility Issues**

Power window regulators require proper electrical connections to function. If your vehicle s wiring harness is damaged or incompatible with the new motor, additional modifications may be needed. This could involve splicing wires, replacing a fuse, or even upgrading the window switch. These extra steps add complexity and cost to the project.

4. **Door Panel Disassembly Required**

Installing a rear window regulator motor typically requires removing the door panel, which can be time-consuming and labor-intensive. This is especially true for vehicles with complex door designs or additional features (e.g., power locks, speakers, or side mirrors). DIYers without experience may find the process frustrating, and hiring a mechanic could increase the total cost.

5. **Potential for Additional Wear on Related Components**

If the failure of the original regulator motor was due to prolonged use (e.g., worn-out gears or cables), replacing just the motor may not fully resolve the issue. Over time, the new motor could fail again if the underlying mechanical components (e.g., window tracks, cables, or door seals) are degraded. Addressing these issues may require further repairs.

6. **Learning Curve for DIY Installation**

While JC Whitney parts are designed for ease of installation, some users may still encounter challenges, especially if they lack mechanical experience. Mistakes during installation such as improper alignment of the motor or incorrect wiring can lead to the motor not functioning properly or even damaging the door mechanism. Watching installation guides or consulting a professional may be necessary.

7. **Limited Customization**

This is a standard replacement part, not a custom or upgraded component. If you re looking for features like quieter operation, smoother movement, or enhanced durability beyond the original specifications, this part may not offer those benefits. For example, some aftermarket regulators include reinforced gears or corrosion-resistant coatings, which this part may not provide.

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### **Conclusion**

The **JC Whitney JFB-AJCWW-R00389 rear right power window regulator motor** is a solid choice for owners of compatible vehicles seeking a reliable, OEM-quality replacement. Its strengths lie in its fitment precision, durability, warranty coverage, and ease of installation relative to other aftermarket options. For most users, the part will function as expected and provide a long-term solution to a failing window regulator.

However, the part s limitations such as potential compatibility issues, the risk of counterfeit products, and the labor-intensive installation process must be carefully considered. If you re unsure about compatibility or lack experience with automotive repairs, verifying the part s fitment and seeking professional assistance may be wise.

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### **Recommendation**

1. **Verify Compatibility First**

Before purchasing, confirm that the part number **JFB-AJCWW-R00389** is listed as compatible with your exact vehicle model, year, and trim. Use JC Whitney s website or contact their customer support to double-check. If the part doesn t match your vehicle, consider alternatives or consult a mechanic.

2. **Purchase from an Authorized Source**

Buy the part directly from JC Whitney s official website or a trusted automotive parts dealer (e.g., RockAuto, AutoZone, or a local shop with a good reputation). Avoid third-party sellers unless they are verified and have positive reviews.

3. **Prepare for Installation**

Gather the necessary tools (e.g., door panel removal tools, wire strippers, screwdrivers) and familiarize yourself with the installation process. Watching a video guide for your specific vehicle can save time and reduce errors. If the door panel is particularly difficult to remove, consider hiring a mechanic to avoid damaging it.

4. **Inspect Related Components**

While replacing the motor, take the opportunity to inspect the window tracks, cables, and door seals for wear. Lubricating the tracks or replacing worn cables can extend the life of the new regulator.

5. **Test Thoroughly After Installation**

After installing the new motor, test the window s operation multiple times to ensure it moves smoothly in both directions. Check for any unusual noises or resistance, which could indicate misalignment or wiring issues.

6. **Consider Professional Help if Needed**

If you re uncomfortable with the installation process or encounter unexpected challenges, don t hesitate to seek help from a professional. The cost of professional installation may be justified if it ensures the job is done correctly the first time.

For owners of compatible vehicles who are prepared for the installation process, the **JC Whitney JFB-AJCWW-R00389** is a highly recommended replacement part. Its balance of quality, reliability, and affordability makes it a practical choice for addressing a failing rear power window regulator. However, thorough research and careful execution are key to a successful outcome.

Details:

Brand Name: JC Whitney. NOTE - Rear Right Electric Window Regulator. JC Whitney JFBAJCWWR00389 Rear Right Power Window Regulator w/Motor Assembly - Compatible with Ford F-250/F-350/F-450/F-550 Super Duty 2013 -2016: Brand. Manufacturer: JC Whitney.

Part Number: JFBAJCWWR00389. Warranty: This product comes with a 1-year mileage-unlimited warranty.

part #: jfbajcwwr00389 price

• $102.32

specifications mconstructiono:

• brand: Jc Whitney
• mpn: Jfbajcwwr00389
• part type: Window Regulator Motor
• upc: 820735699993

general mconstructiono:

• Building Materials Supplies > Windows Window Hardware > Window Hardware
• condition: New

returns mconstructiono:

• policy: No Returns

payments mconstructiono:

• wallet: Paypal
• credit card: Diners-club
• other

shipping mconstructiono:

• type: Fixed
• service: Standard
• cost: $0.00
• class: Standard
• transit: 3-10 Days

seller mconstructiono:

• rating: 100.0%
• # reviews: 516
• city: US

offer mconstructiono:

• options: Ship-to-home
• started: May 19, 2026
• availability: In Stock
• quantity: 1
• sold: 0

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