This is an NOS ZR-1 Water Pump for 1990-95 Corvettes
GM water pump with embossed part number - NO GM packaging. Includes gasket. Pump is in excellent condition. never mounted
group # 1.069
GM# 10159599
10135833
NOS parts - mechanical/electrical parts have not been tested, and I will not warranty a 50 year old original GM part. NO returns on an NOS part that fails to function, is installed or used in any way.