How much does this cost to the nearest dollar?

BD Diesel Engine Brake Vacuum Spool Control Valve, 1 Pack
BD Diesel Performance is unique among its peers in that it designs, manufactures and distributes a wide range of products specifically engineered for performance diesel applications. Owing to its heritage as a diesel fuel systems specialist, BD is still a factory-certified Bosch, Stan dyne, Delphi and Zexel calibration and repair lab. Their name became more widely recognized, though, when they introduced the first exhaust brake for the diesel pick-up truck. BD currently designs, assembles and tests engine and remote mount brake systems, as well as offering fuel management systems. BD created its own department for circuit board design/assembly, programming and wire harness assembly. Engine Brake Vacuum Spool Control Valve Power from the engine must go to the ground for it

Price is $139.00
Price: $139.03