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Square Body (1973–1987) Restoration Parts Checklist

July 14, 2026 · 5 min read

The longest-running classic Chevy truck

GM’s third-generation C/K launched for 1973 and ran fifteen model years, with the Blazer, Jimmy, Suburban and Crew Cab carrying on through 1991. Trims like Scottsdale and Custom Deluxe are household names, and the 1981 facelift gave the front end a sleeker, more aerodynamic look. Parts availability is excellent — which is exactly why square bodies have taken off.

Check these before you buy

The checklist

Whether you’re keeping it stock or dropping it in the weeds, order from the makers that tool these parts correctly — the same ones we run on our own trucks.

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