Replace Part Number: 4790208 5001230 800516 065167 065697 3948331 394979. All items tested for reliability, durability and performance.The Dash Control Brake Valve is a two button, push-pull control valve housed in a single body which includes a dual circuit supply valve and a check valve Specification: Supply Ports 1/4". Delivery Ports 1/4". (5) 1/4" Ports On Bottom. Pin on Knobs. Threaded Mounting Holes Fitment: Fit for for Peterbilt 377, Fit for Kenworth T660, Fit for Volvo And Western Star Trucks. Note: This Dash Control Brake Valve is not original parts, the mention of brand names and any related model designation above is only for purposes of demonstrating compatibility. NO installation instruction and recommend professional installation.