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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.
Threaded spring pin B1491-96 fits Mack and Volvo front spring applications. Fits Mack VN series. Details
Spring pin M5451 fits Volvo/White and Mack front spring applications. Both ends greaseable. Details
Spring pin B1310-43 for rear of front spring. Fits Ford C-L-CLT-L-LNT-LT-LTS series. 6. Details
Spring pin B1435-55 fits International spring applications. Details
Spring pin 32277-000L for Hendrickson applications. Uses MLP466 lock pin. 7.312 inch length, 1. Details
Spring pin 43146-000L for Hendrickson applications. 6.900 inch length, 1.375 inch diameter, 5. Details
Hendrickson double keeper spring pin mounting kit 43146-K. Details
Spring pin 32276-000L for Hendrickson applications. Uses MLP458 lock pin. 7.312 inch length, 1. Details
Hendrickson single keeper spring pin mounting kit 32277-K. Details
Spring pin B1229-22 fits GMC - Chevy front of front spring applications. 0.9375 inch diameter, 5. Details
Helical groove spring pin 43146H-000 for Hendrickson applications. 6.875 inch length, 1. Details
Spring pin B1012-43 fits Ford applications. 0.625 inch diameter, 3.203 inch length. Greaseable. 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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