Trinity Truck Parts Corporation in Clarksburg, WV serves customers in the metro area. Standard Transmissions and Rear Ends. From your 18 Wheeler to your pick-Up. Racing gears and custom racing Axles. Able to remove and install units with our new expanded facilities. Heavy Duty Specialists. Eaton. Fuller. Spicer. Meritor. Axles and complete units available. Timken bearings. We offer services in Auto Accessories Retail. We specialize in Standard Transmissions in the Clarksburg metro area. Pick Ups We accept the following forms of payment: VISA, MasterCard.