Astro Pneumatic Northstar Water Pump Socket - 7880

• Used to remove and install the water pump on Cadillac Northstar 4.6 liter V-8 engines 1993 and later Oldsmobile Aurora 4.0 liter V-8 engines 1997 and later
• Enhanced durability
• More strength and control in removing and replacing water pump impeller
• Made of S45C Steel