GM Water Pump Outlet / Thermostat Housing Assembly

Name: GM Water Pump Outlet / Thermostat Housing Assembly 19474058
Brand: GM (General Motors)
SKU: 19474058
Price: 77.29 USD
Availability: InStock

Genuine GM · Part #19474058 · Engine / Cooling

Genuine GM water pump outlet assembly with integrated thermostat (thermostat housing / water outlet).

Part number

19474058

Fits

Not specified on the source listing.

Replaces

12650534
12650536
12657137
12666569
12671393
12674639

AutoNation price

$77.29 (as of 2026-07-13)

Fitment note: The source listing doesn’t state which vehicles this part fits. Confirm compatibility with AutoNation Parts before ordering.

Shop this part at AutoNation Parts →

Before you order

Confirm it fits with your VIN before buying.
The numbers under “Replaces” are older, superseded numbers — why GM part numbers change.

Details on this page were taken from the live AutoNation Parts listing (https://www.autonationparts.com/parts/gm-outlet-19474058) on 2026-07-13. Prices and availability can change — confirm on the retailer’s page before purchase.