R 20 P/U 2WD V8-379 6.2L DSL (1988)
A new pressure regulator valve (III. 218) has been made which will improve the oil pressure stability at lower RPM.
SERVICE PARTS INFORMATION:
Description
Part Number
Valve, Pressure Regulator (III. 218)
8684048
Part numbers are for Reference Only.
Check with your Parts Department for latest information.