20 psi Pressure Rating
Relief Pressure 21 lbs
16 psi
Engine Coolant Reservoir Cap | Width= 2.750 inches , Height= .690 inches , Length= 6.750 inches | Model Year In/Out: 2005/2019;Supersedes part # 05174456AA
Browse our selection of quality engine coolant reservoir cap parts designed specifically for your Ram 4500. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.