For earlier models there is a shorter and longer style pump, this is the long pump.
A2712000201 OEM INA Water Pump For Mercedes-Benz C230 C250 SLK250 W203 W204
Buick Water Pump Pulley V-Belt 2 Groove Power Steering 455 OEM Long Water Pump
OEM GM Water Pump-Water Outlet 12650468 New
Genuine Mercedes Water Pump Housing NOS OM615 OM616 OM617 W115 W116 W123 W126
Mercedes Water Pump Housing 1272010301
Genuine OEM Auxiliary Water Pump 2011-2024 Ford F150 F-150 2.7L 3.5L Ecoboost