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We stock leaf spring pins for just about every type of semi truck and trailer. We have years of experience selling and installing replacement spring pins. Feel free to call us at 800-358-4751 if you need help finding the correct parts for your leaf springs.
Helical groove spring pin B1420H-75 for Peterbilt applications. 6.859 inch length, 1. Details
Kenworth threaded spring pin M5447. Use with MTB178 or MTB186 bushings. Details
Spring pin B1408-46 fits Freightliner front of front spring applications. 4.0 inch spring width. 1. Details
Helical groove spring pin B1408H-46 for Freightliner applications. 6.906 inch length, 1. Details
Kenworth, Peterbilt threaded spring pin. Use with MTB186 threaded bushing. 1.062 inch diameter, 7. Details
Spring pin B1205-43 fits International and Ford front of rear spring applications. Details
Hendrickson single keeper grooved spring pin mounting kit 32277-K. Details
Hendrickson double keeper spring pin mounting kit 43146-K. Details
Spring pin B1311-43 for front spring front. Fits Ford C-L-CLT-L-LNT-LT-LTS series. 6. Details
Spring pin B1434-55 fits International front and rear of front spring applications. 6. Details
Spring pin B1435-55 fits International spring applications. Details
Threaded spring pin B1446-59 fits Kenworth front of front spring applications. 4.0 inch spring. Details
A spring pin is the pivot and attachment point used on many leaf spring suspensions using brass bushings. The spring pin will be made of hardened steel, and it may be smooth sided or threaded. Spring pins will be drilled and tapped for grease zircs and may have channels in the body to more effectively deliver grease to the spring bushings. Leaf spring pins may have notches cut into them where bolts are used to lock them into place and keep them centered.
With the correct preventative maintenance, spring pins should last the life of the spring. With adequate grease, they can provide years of reliable use. When proper maintenance is skipped, the pins can wear or bind bringing an early need for replacement. When changing springs, it is always recommended to change the pins as the bushings, and the pins will wear together and re-using spring pins may cause your spring bushings to wear out rapidly. Lack of grease can cause damage to the spring and hanger bushings and may require replacement of the bushings or hangers as well as the pins. In severe cases, a spring pin can bind so badly in the bushing that the spring may break from the extra stress.
Damaged Spring Pins Pictured
When replacing leaf spring pins, it is important to measure your old pins correctly to ensure a matching replacement can be ordered. Below you will find the information you should obtain before looking for replacement pins:
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