【Direct Fitment】Brake load sensing valve assembly fits for D21 1993 1994 and for Pickup Hardbody 1994 1997. Compare OE part number 46400 56G04 or 4640056G04 before purchase. 【Pressure Regulation】This brake load sensing proportioning valve helps regulate pressure between front and rear wheels based on vehicle load, supporting stable brake system response during driving. 【Metal Construction】Made of metal materials built to meet or exceed OEM standards. Designed for long term use in the brake system and helps resist rusting or breaking in daily service. 【Straightforward Setup】Designed for a direct replacement process that helps reduce installation effort. A practical option when replacing a worn brake proportioning valve on compatible trucks. 【Key Part Details】Item type is brake load sensing valve assembly. OE OEM part numbers 46400 56G04 and 4640056G04. Suitable for pickup repair and brake system maintenance on listed models., Manufacturer: Pissente