Rear position leaf spring shackle kit. Over time, leaf spring shackles can rust and wear, eventually failing. Replacing worn lower spring shackles helps maintain suspension performance and prevent failure. This kit is manufactured from durable steel and powder coated for corrosion resistance and a long service life. Compatibility Compatible with 1995-2005 Blazer, 1994-2004 S10, 1994-2001 GMC Jimmy, 1994-2004 GMC Sonoma, and 1994-2001 Oldsmobile Bravada. Please check fitment in the product description to ensure compatibility with your vehicle. Replace part numbers 722-028, 15665302, K150382, M1755, 3F1000. Includes 1 pair rear leaf spring shackles. Easy to install, instructions not included. Please verify the part numbers against your vehicle before purchasing. OEM design and direct fit Quality materials and advanced technology meet or exceed OEM standards. Not an original GMC part, but designed to fit and provide reliable performance. Replacing the leaf spring shackle kit on your GMC Sonoma yourself can save time and money. Use scenarios - Restoring ride quality and rear stability on aging GM S-series and Bravada models with rusted or worn shackles. - Performing routine suspension maintenance or during a bumper-to-bumper repair when replacing related rear suspension components. - Upgrading from worn shackles to a durable, corrosion-resistant kit after years of exposure to road salt and moisture.