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🔧 Extend your classic ride’s style and function with precision-engineered ease!
The MotorbyMotor Universal Window Crank Shaft Extension is a robust, 16-spline, 1/2" diameter shaft extender designed to fit most 1950-1990 GM vehicles and many domestic/import cars. It extends the window crank shaft by 5/8" to 11/16", ensuring a precise, secure fit for manual window regulators and door latch shafts, making it an essential upgrade for restoration and repair projects.




| ASIN | B08K8GTR5B |
| Best Sellers Rank | #99,672 in Automotive ( See Top 100 in Automotive ) #7 in Automotive Replacement Manual Window Regulators |
| Brand | MotorbyMotor |
| Customer Reviews | 4.1 4.1 out of 5 stars (110) |
| Date First Available | September 28, 2020 |
| Item Weight | 3.2 ounces |
| Manufacturer | MotorbyMotor |
| Manufacturer Part Number | GM-SPLINE-01 |
| Model | Window Crank Shaft Extension |
| Package Dimensions | 6.77 x 6.34 x 1.26 inches |
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