For 1991 Chevrolet R1500 Suburban 5.7L V8 PCV Valve Tubing Dorman. 1991 Chevrolet R1500 Suburban Engine: 5.7L V8; EngVIN: K; PCV Hose;. PCV Valve Tubing. Notes: PCV Hose. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.
