Cardone 42-90 Power Window Motor Gear Kit - Front or Rear

Power Window Gear Kit for Classic GM Applications

The Cardone 42-90 Power Window Motor Gear Kit is a remanufactured replacement for a critical wear component inside the window lift motor assembly. It is engineered to restore window operation with a fit-and-function focus for classic Chevrolet, GMC, Buick, Cadillac, Oldsmobile, and Pontiac vehicles.

Built for front and rear applications across select 1976-1982 models, this gear kit addresses common failure points in aging power window systems. The Cardone 42-90 is designed to meet or exceed OEM performance while improving durability over the original gear design.

Key Features

• Guaranteed fit and function for listed applications
• Remanufactured Cardone Power Window Motor Gear Kit
• Redesigned gears use a stronger, less brittle material than original equipment
• Helps reduce premature wear, stripping, and breakage
• Meets or exceeds OEM performance targets
• Includes grease kit in the package contents
• Plastic window drive gear with steel window gear spline

Product Details

Cardone Power Window Motor Gear Kit 42-90 is built for owners and repair shops servicing older GM vehicles with failing window lift motors. The remanufactured design corrects original weaknesses where applicable, helping restore smooth window movement and dependable operation. This product line focuses on high-value replacement parts engineered with current technology and innovation for long-term service.

Fits 1976-1982 Chevrolet Corvette, front; Fits 1976-1981 Chevrolet Camaro, front; Fits 1977-1981 Chevrolet C10, front; Fits 1979-1981 GMC C1500, front; Fits 1976-1979 Pontiac Firebird, front and rear. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Repair Symptoms

• Power window motor runs but the glass does not move
• Window movement is slow, uneven, or intermittent
• Stripped or broken internal window motor gears
• Grinding or slipping noise from the window regulator area
• Loss of window lift function in front or rear doors

Installation Notes and Tips

Verify spline count, tooth count, and position before installation. This kit is listed for 46-spline, 12-tooth gear applications, with fitment covering both front and rear positions depending on vehicle. Inspect the motor assembly for additional wear, clean the housing thoroughly, and apply the included grease kit during reassembly for proper gear engagement.

Quality Assurance

Cardone remanufactures this window lift gear kit to meet or exceed OEM performance standards. Original design weaknesses are reviewed and corrected where applicable to improve durability and service life. The remanufactured construction supports reliable replacement for classic GM power window repairs.