The best rear power window kit choices convert manual or damaged windows into smooth, electric operation. This guide highlights five practical options for common vehicles and tight install spaces. Each option targets a different use case—from affordable retrofit kits for older cars to complete motorized regulators for mid- and full-size SUVs. Read on to find which kit is best for your vehicle, your skill level, and your budget.
| Product | Brand | Best For | Notes |
|---|---|---|---|
| AutoLöc AutoLoc Power Accessories 9848 | AutoLöc | 2-door rear window retrofit on older cars | Includes reinforced guide track and worm-gear Bosch motors |
| JDMSPEED Universal Electric Power Window Kit | JDMSPEED | Budget-friendly two-door conversions | Upgraded conversion assembly with new components |
| LLNSEAUTO 2-Door Regulator Kit | LLNSEAUTO | Two-door vehicles needing full kit with mounts | Comprehensive package with motors, wiring, switches |
| NPAUTO Rear Left Regulator with Motor | NPAUTO | GM trucks and SUVs (rear left) | Includes motor, OE-style fit for Tahoe/Yukon/Escalade |
| NPAUTO Rear Right Regulator Without Motor | NPAUTO | BMW X3 E83 rear-right window without motor | Without motor; best for existing motor setups needing replacement |
AutoLöc AutoLoc Power Accessories 9848 – 2 Door Flat Power Window Kit
Best for cost-conscious drivers upgrading a 2-door setup with a reliable, compact kit. This option features a reinforced guide track for stability, a 0.25-inch mounting base hole, and a 25-inch regulator length. The worm-gear Bosch motors deliver steady operation for daily use. Choose this if you need a dependable retrofit with straightforward installation in compact spaces. Caution: verify mounting base spacing on your specific door to ensure fitment.
JDMSPEED Universal Electric Power Window Lift Kit – 2 Door
Best for budget-minded buyers needing a full conversion kit for two doors. The kit advertises an upgraded conversion assembly and uses high-quality components for longevity. Choose this if you want a lower-cost route to electric windows with a complete set of switches and hardware. Limitation: product messaging emphasizes new parts but does not detail specific motor wattage or warranty coverage.
LLNSEAUTO 2-Door Power Window Regulator Kit
Best for buyers needing a robust two-door kit with a complete hardware bundle. It includes two motors, wiring kits, switches, and mounting templates, making it well-suited for novices who want a clear, step-by-step installation. Caution: ensure compatibility with your vehicle’s door panel layout and check for space around the regulator assembly before purchase.
NPAUTO Rear Left Regulator with Motor – 2007-2014 Chevy Tahoe/Yukon Escalade
Best for full-size GM SUVs needing a rear-left regulator replacement with motor. The fitment is tailored to Chevrolet Tahoe, GMC Yukon, and Cadillac Escalade models within the listed years. Choose this if you specifically own a GM SUV in need of a rear-left motorized regulator. Limitation: designed for select models; confirm OE numbers and vehicle compatibility before ordering.
NPAUTO Rear Right Regulator Without Motor – BMW X3 E83
Best for BMW X3 E83 owners who already have a motor assembly and only need the regulator. This rear-right regulator comes without a motor and is compatible with the E83 series. Choose this if your existing motor is still functional but needs a replacement regulator. Caution: verify that your current motor matches the regulator’s mounting interface and shaft size.
Buying Guide
Key considerations when choosing a rear power window kit include vehicle type, door layout, and install complexity. Below are practical questions and guidance to help you compare options.
- What is my vehicle type and door configuration? Some kits are specifically built for 2-door sedans, while others target SUVs, pickups, or vans. Confirm the kit’s compatibility with your door panel and mounting locations.
- Do I need a full kit with motors or just a regulator replacement? If your motor is still functional, a regulator-only or motor replacement option can save time and cost. If not, choose a complete kit with both regulator and motor.
- What voltage and current ratings are required? Most kits run on DC 12V systems. Ensure your electrical system can supply the required current without tripping fuses or draining the battery.
- Is the installation suitable for a DIY project? Some kits include templates, mounting plates, and detailed instructions, making them friendlier for DIY installation. Others may require professional installation.
- What are the durability features? Look for reinforced guide tracks, robust motors (such as worm-gear drive), and thermal protections to reduce wear over time.
Frequently Asked Questions
- What is a rear power window kit? A rear power window kit includes regulators and sometimes motors to convert a manual or damaged rear window into electric operation.
- Can I install a kit myself? Many kits are designed for DIY installation with mounting templates and wiring kits, but some vehicles may require professional help.
- Will a kit fit my older vehicle? Check the specific model compatibility and door dimensions. Some kits target 2-door configurations or particular brands.
- Are these kits compatible with OEM wiring? Most kits use standard 12V automotive wiring, but confirm wiring harness compatibility with your vehicle’s electrical system.
- What should I expect in terms of installation time? A typical two-door retrofit can take a few hours to a full day, depending on your vehicle and prior experience.