Need reliable fasteners for your GM vehicle? These extruded U-nuts are just what you’re looking for. They’re designed to replace GM part number 11513599 and are perfect for front and rear bumpers and general-purpose use on models from 1992 onward. The screw size is M4.2-1.41 (that’s a #8), with locking threads for a secure hold. They fit panel thicknesses from 0.65mm to 3.8mm (0.025” to 0.150”), and the center of the hole to the edge measures 9.5mm (3/8”). Each pack contains 25 U-nuts, zinc-coated for corrosion resistance. Whether you’re doing repairs, restorations, or DIY projects, these sturdy nuts make installation easy and dependable. A must-have for GM owners and mechanics alike. Keep your bumpers and trim securely fastened with these OEM-style replacements!
