Newark 302 368 4900
Middletown 302 376 6510
Claymont 302 792 2300
New Castle 302 999 9400

Sonnax Automotive Replacement Parts

Benchmark Transmission relies on Sonnax to help us keep our customers' vehicles running smoothly in and around the greater Newark, Claymont, Middletown, and New Castle area. Sonnax has a reputation of being a leader in the designing, manufacturing, and distribution of high-quality parts for the automotive aftermarket. Parts that are critical in helping Benchmark Transmission give our customers one quality repair after another. Sonnax provides our shop with innovative parts for transmission rebuilds that meet or exceed OE standards. They also give us access to a complete line of components for torque converters needed for both standard, high-performance, and heavy-duty applications.