Earl's Straight Water Neck - O-Ring Seal - 20 AN Male Outlet - Clear - GM LS-Series 492090 Large surface area pulls more

Large surface area pulls more air at low speeds

1980-1985 GMC C1500 Suburban

2017-2019 GMC Sierra 2500 HD Denali DIESEL Crew Cab Pickup

Easy to write on

Earl's Straight Water Neck - O-Ring Seal - 20 AN Male Outlet - Clear - GM LS-Series 492090 Large surface area pulls moreEngine Coolant Thermostat Housing Upgraded earlier LS water pumps to the less restritive late model thermostats Billet aluminum and stainless steel components Anodized protection on aluminum components Works with all LS water pumps (requires thermostat upgrade on early LS water pumps) Product Description: Water Neck Straight O Ring Seal 20 AN Male Outlet Aluminum Clear Anodized GM LS Series Sold Individually Earl's Performance Products was founded by