Help keep your leaf spring clamped firmly to the axle with the Dorman - OE Solutions Leaf Spring Axle U-Bolt Kit, part number 929-749, a U-bolt repair kit designed to secure the spring or spring bundle to the underside of the axle. It fits many vehicles, among them the 1975-1979 Ford F-150, 1973-1996 Ford F-250 and 2000-2005 Ford Excursion, as a direct-fit replacement for the listed applications. See the "Vehicles it fits" section for the full list.
- Reliable hardware: The kit's components are designed to hold the leaf spring or leaf spring bundle securely to the underside of a vehicle or trailer axle.
- Check fit: Review the dimensions of the leaf springs you will use, along with other application details, to choose the correct U-bolt type and size.
- Durable construction: Kit components are engineered from quality materials for dependable performance and long service life.
- Trustworthy quality: Supported by a U.S.-based team of product experts and more than a century of automotive experience.
Position: Cataloged for front and rear positions, depending on the application.
Worn U-bolts may show heavy rust, bent or stretched legs, or damaged threads. Loose clamping can let the spring shift on the axle. If your U-bolts are in that condition, this kit replaces them. Follow the vehicle service information for the tightening procedure and torque values.
Interchange: 361-434
361434
Frequently Asked Questions
What does a leaf spring axle U-bolt kit do?
It supplies U-bolt hardware that clamps the leaf spring or leaf spring bundle to the underside of the axle. This helps keep the spring and axle held together.
Will this U-bolt kit fit my 1973-1996 Ford F-250?
Yes, the 1973-1996 Ford F-250 is a listed application, as are the 1975-1979 Ford F-150 and the 2000-2005 Ford Excursion. Check the "Vehicles it fits" section for other vehicles.
Is this kit for the front or rear axle?
The catalog lists this kit for both front and rear positions, depending on the application.
What are signs my U-bolts may need replacing?
Signs include heavy rust, bent or stretched U-bolts, damaged threads, or a leaf spring that has shifted on the axle. Inspect the hardware closely to confirm the cause before replacing it.
What should I check before installing this kit?
Dorman advises reviewing your leaf spring dimensions and application details so you choose the right U-bolt type and size. Tighten the U-bolts to the torque given in your vehicle's service information.
