Downtime costs money when the vehicle is a work truck, van, or fleet unit. This collection covers BOXI replacement parts for heavy-duty, agricultural, and fleet applications, cross-referenced to OEM and interchange numbers.

We manufacture the BOXI line ourselves and ship free from Montclair, California — same-day dispatch before 1:00 PM PT, 3–5 business day transit, 2-year warranty. Fleet buyers: email sales@tetronauto.us for volume inquiries.

Browse related: Chassis & Steering and Engine Cooling.