AC Delco - LS Gen 3 Truck Water Pump

New (not remanufactured, no core charge)

• Compatible with 1999 to 2006 Silverado 4.8L 5.3L 6.0L - Gen 3 (Will not fit "wider" Gen 4 bolt-pattern thermostat housings)
• Will bolt up to any GM LS series engine block
• Includes: pump and gaskets

Helpful Links

• optional belt automatic tensioner, or manual tensioner
• Torque water pump to block bolts 22 ft-lbs and thermostat housing 11 ft-lbs, belt tensioner 37 ft-lbs
• optional heat shrink hose clamps:  upper 1.25" clamp, lower 1.5" clamp
• optional mounting bolts
• optional thermostats 187° or 160°