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Heavy-Duty Truck Parts

Truck & Trailer Coverage
Heavy-duty, medium-duty and trailer lines in one catalog
OEM-Grade, QC-Checked
OE cross-reference on every listing for an exact fit
Tiered Fleet Pricing
Member rates on sign-in — the more you buy, the better
In-Stock, Fast Dispatch
Fast-moving SKUs warehoused and shipped without delay
California U.S. stock & local support
2016 U.S. business established
479+ Truck & bus SKUs
OE Part-number cross references

Shop by System

Truck Brand → Model → System → Product, or search directly by OE number.

Watch our story

From OE number to stocked replacement.

Professional buyers do not browse thousands of SKUs for fun. They search by OE number, truck make, model notes and system. Roth structures its catalog around that workflow, so a parts counter, repair shop or fleet buyer can move from a number on the old part to a quoted replacement with less back-and-forth.

About us

Local response for U.S. truck parts buyers.

The difference is not another generic product list. It is California-based stock, domestic delivery expectations and a team that understands how U.S. truck parts are purchased: by part number, fitment, availability and turnaround. That is the role Roth is built to play in the heavy-duty aftermarket.

Contact us
Watch our story

Buying in volume?

Send us your parts list — part numbers, quantities, truck model — and our team replies with tiered pricing within one business day.

Fast Domestic Delivery

Fast delivery from U.S. stock for key heavy-duty applications

OE Cross-Reference

Part-number matching support for exact-fit replacements

Fleet Pricing

Tiered pricing available for dealers, repair shops and fleet buyers

U.S. Support

Local support for North American truck and bus aftermarket buyers