
Truck caps
SmartCap EVO Sport
Steel cap with glass Gullwing side doors and vent windows.
Request a quote →Triangle Truck Parts / Azusa, California
Custom ladder boxes. SmartCap campers. APT tools. Equipment for the workday and the way out, backed by a real parts counter.
Work trucks. Weekend builds. Real people behind both.
Featured equipment
Explore SmartCap truck caps, professional air tools and off-road lighting. View listed prices or request a quote for your setup.

Truck caps
Steel cap with glass Gullwing side doors and vent windows.
Request a quote →


Azusa, California
Independent. Experienced. Local.
Family owned since 1960, Triangle Truck Parts brings parts-counter experience to your next work truck or weekend build. Tell us what you’re building. We’ll help work through the fitment, equipment and sourcing.
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