Dorman 747-410 Window Motor Gear

Reliable Window Motor Gear for Select GM Vehicles

The Dorman 747-410 window motor gear is engineered to restore smooth window operation in various Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models. Designed with durable metal and plastic components, this window regulator gear ensures consistent performance and longevity.

• Window drive gear constructed from metal and plastic for durability
• 12-tooth window drive gear for precise engagement
• 46-spline metal window gear spline for secure fitment
• Compatible with multiple GM makes and models including Chevrolet C10, Buick LeSabre, and Pontiac Firebird
• Part number 747-410 for accurate identification and replacement

Durable Construction and Precise Gear Design

The Dorman 747-410 window motor gear features a combination of metal and plastic materials that balance strength and wear resistance. The 12-tooth window drive gear provides reliable meshing with the window regulator mechanism, while the 46-spline metal gear spline ensures a secure connection to the motor shaft. This design helps maintain smooth window movement and reduces the risk of gear slippage or failure over time.

Compatible Vehicle Applications

This window motor gear is compatible with a wide range of General Motors vehicles, including Buick models like the LeSabre and Century, Cadillac Eldorado and Seville, Chevrolet trucks such as the C10, C1500, and Silverado series, as well as Pontiac Firebird and Grand Prix. Using part number 747-410 guarantees proper fitment for these specific makes and models, ensuring reliable window operation.

Common Issues Addressed by This Window Motor Gear

• Intermittent or non-functioning power windows
• Grinding or clicking noises during window operation
• Window regulator gear slipping or failing to engage
• Slow or jerky window movement
• Wear-related damage to original window motor gear components

Installation Notes and Tips

When replacing the window motor gear, ensure the vehicle’s battery is disconnected to prevent electrical hazards. Carefully remove the door panel and window regulator assembly to access the gear. Verify the spline count and tooth count match the original part to avoid compatibility issues. Proper alignment during installation is critical to prevent premature wear and ensure smooth window operation.

Quality Assurance and Warranty

Dorman manufactures the 747-410 window motor gear to meet or exceed OEM specifications for fit, form, and function. The use of metal and plastic materials is optimized for durability and performance in automotive window systems. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship.