Isuzu Front Exhaust Pipe Clamp, E4 - Fits 4JJ1 Engine (Part No. 8973731580)

Grade 10.9/12.9 high-tensile alloy steel fastener manufactured with precision-rolled threads and corrosion-protective zinc/phosphate surface treatment. Designed to maintain extreme clamp loads under severe vibrational stress and heavy torsional torque. Dimensions/Specs: Standard metric thread pitch (e.g., M12/M14/M16) with exact shank length and shoulder knurling. Application: Wheel hubs, exhaust pipe clamps, manifold studs, king pin cotter pins, and chassis structural fastening on Isuzu NPR, NHR, NKK, and commercial vehicles.