Answering the need for a reliable, easy-to-install power window upgrade, these kit selections convert crank windows to electric operation for 2-door vehicles. Best for classic car owners, hot rod builders, and anyone restoring manual windows to match modern conveniences. Each option emphasizes compatibility with flat glass and manual-to-electric upgrades, with varying motor power and kit completeness. The following picks prioritize clear installation steps, included hardware, and broad vehicle applicability.
Quick comparison at a glance:
| Product | Best For | Notes |
|---|---|---|
| Universal Electric Power Window Lift Kit (LLNSEAUTO) | 2-door sedans, vans, SUVs | Comprehensive kit with motors, wiring, switches and mounting plates |
| Universal 2-Door Power Window Conversion Kit (Speedway Motors) | Classic flat-glass cars | Pre-wired, DPDT switches included |
| Universal 2-Door Power Window Conversion Kit (LLNSEAUTO) | Same as above, alternate listing | Similar components, varied power output |
| Universal Electric Power Window Kit (KAKO) | Broad 2-door upgrades | High-quality motors with low noise operation |
| maXpeedingrods Universal 2-Door Kit | Ford, Chevy, Chrysler classics | Designed for flat-glass installations, robust construction |
Universal Electric Power Window Lift Kit With Switches

This LLNSEAUTO kit includes two power window motors, multiple wiring kits, switches, mounting hardware, and a manual. It is designed to convert 2-door manual windows in sedans, pickups, off-road vehicles, vans, and SUVs. Best for builders who want a complete, ready-to-install package with thermal overload protection. Limitations include a 12V DC system and a higher motor count that may require careful routing in tight doors.
Universal 2-Door Power Window Conversion Kit for Flat Glass (Speedway Motors)

Best for classic cars and custom street rods needing a universal upgrade for flat glass. The kit supports glass heights from 6″ to 24″ and up to 16″ of travel with pre-wired components, DPDT switches, and a complete wiring setup. Choose this if you want a well-rounded kit that minimizes additional parts shopping, but plan for a door-clearance requirement and glass positioning.
Universal 2-Door Power Window Conversion Kit (LLNSEAUTO)

This LLNSEAUTO kit matches two motors, three wiring kits, multiple switches, and mounting hardware. Best for buyers who want redundancy and multiple wiring options with protective features. It shares similar voltage specs and a concern for 12V operation, with a caution about potential space constraints in tighter door cavities.
KAKO Universal Electric Power Window Kit

Designed for 2-door upgrades, this kit bundles motors, switches, and harnesses for a straightforward installation. It emphasizes universal applicability and durable parts that reduce noise and improve power delivery. Best for users who want a compact, all-in-one solution without extra aftermarket components. Limitation includes general “universal” fit needing precise door measurements for fitment.
maXpeedingrods 2-Door Electric Window Kit

Best for Ford, Chevy, Chrysler classics and other 1932-UP flat-glass installations. The kit promises robust construction and long-term reliability, offering a solid upgrade path for iconic models. A potential limitation is the need for precise mounting in older door structures, which may require careful alignment and drilling for proper regression of glass.
BestParts Universal 2-Door Kit

Best for classic cars and street rods with flat glass windows. The kit supports glass heights from 6″ to 24″ and 16″ travel, with a flexible actuator cable and pre-wired pigtails. It is ideal for projects where a straightforward retrofitting solution is needed, though it may not fit smaller Ford Model A doors.
GUOHOQIX Universal Power Window Conversion Kit

Best for universal hotrod builds needing a balanced profile of motors, wiring, and crossover components. The kit includes switches, bezels, wiring, and a crossover kit, making it a ready-to-assemble option for 5″ wide by 6-1/4″ long motors. A potential limitation is if the door geometry requires customized mounting hardware for perfect alignment.
Buying Guide
What should you consider when choosing a power window conversion kit for a G-Body or similar classic platform?
- Vehicle compatibility: Ensure the kit supports flat-glass doors and fits 2-door configurations similar to your classic car.
- Power output and voltage: Most kits run on 12V DC and provide 20–23W per motor. Consider your door size and glass weight to choose adequate motor power.
- Included hardware: Look for kits with switches, wiring harnesses, mounting plates, and installation templates to minimize additional shopping.
- Installation complexity: Some kits are pre-wired and plug-and-play, while others require more custom fitting in older door frames.
- Durability and noise: Opt for kits described as low-noise and built with robust materials to ensure long-term operation in classic cars.
- Compatibility with windows height: If your door glass moves within a limited range, verify that the kit’s travel is compatible.
FAQ
- Q: Do these kits fit all 2-door classics? A: These universal kits target 2-door manual windows and most flat-glass doors; compatibility varies by door geometry and glass height.
- Q: Will I need professional installation? A: Some installations can be DIY with provided templates; others may benefit from a professional for precise alignment.
- Q: Can I reuse stock door components? A: Many kits include all needed mounting hardware; however, some doors may require additional brackets or modifications.
- Q: Are there safety features included? A: Several kits include thermal overload protection and proper wiring to prevent motor damage during use.
- Q: Do these convert crank windows to power windows? A: Yes, the primary purpose of these kits is to convert crank-style windows to electric operation.
- Q: What is the typical installation time? A: Time varies by door and skill level, but kits with pre-wired components generally install faster than fully custom setups.