PUMP Anti-Lock Brake Part 8600 GVW Fits 90-94 CHEVROLET 2500 PICKUP 12809343

CHEVROLET 2500 PICKUP 90 Isolation Dump Valve; 4x4, 8600 GVW (opt C6P). CHEVROLET 2500 PICKUP 91-94 Isolation Dump Valve; 8600 GVW. GMC 2500 PICKUP 90 Isolation Dump Valve; 4x4, 8600 GVW (opt C6P). GMC 2500 PICKUP 91-94 Isolation Dump Valve; 8600 GVW.