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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 B1400-55 fits International front and rear of front spring applications. Use with MTB76 threaded bushing. 1.00 inch diameter, 7. Details
Spring pin B1310-43 for rear of front spring. Fits Ford C-L-CLT-L-LNT-LT-LTS series. 6.125 inch length x 1 inch diameter, 4.875 inch center-to-center. Details
Spring pin B1311-43 for front spring front. Fits Ford C-L-CLT-L-LNT-LT-LTS series. 6.75 inch length x 1.0 inch diameter, 5.156 inch center-to-center. Details
Spring pin B1408-46 fits Freightliner front of front spring applications. 4.0 inch spring width. 1.250 inch diameter, 6.906 inch length, 5. Details
Threaded spring pin B1491-96 fits Mack and Volvo front spring applications. Fits Mack VN series. Greaseable to large head. Use with M1291 side bar. 1. Details
Spring pin 32277-000L for Hendrickson applications. Uses MLP466 lock pin. 7.312 inch length, 1.375 inch diameter. Details
Spring pin B1354-96 fits Volvo-White front spring applications. 1.125 inch diameter, 7.000 inch length, 5.50 inch center-to-center. Details
Spring pin B1443-62 fits front of front spring applications on Mack MH, RW Models. 30mm diameter, 170mm length. Replaces Mack part 44QK202M. Details
Spring pin B1538-43 fits front of rear, 3 inch wide spring for 2000 and newer Ford F650, F750 trucks. 5.50 inch length, 1.25 inch diameter, 4. Details
Spring pin B1205-43 fits International and Ford front of rear spring applications. Used on some single axle springs. 5.00 inch length x 1. Details
Spring pin M5305 fits Peterbilt front 4 inch spring applications. 1.25 inch diameter, 7.75 inch length, 6.50 inch center-to-center. Details
Spring pin 32276-000L for Hendrickson applications. Uses MLP458 lock pin. 7.312 inch length, 1.250 inch diameter. 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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