ACDelco GM Original Equipment Engine Coolant Thermostat Housings are used in some makes and models. The housing holds the thermostat and is a connection point for the radiator hose inlet or outlet, and may also include ports for sensors or switches. These original equipment engine coolant thermostat housings are GM-recommended replacements for your vehicle's original components and have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

• Repairs leaking thermostat housings
• GM-recommended replacement part for your GM vehicle's original factory component
• Offering the quality, reliability, and durability of GM OE
• Manufactured to GM OE specification for fit, form, and function

Bolt Hole Center To Bolt Hole Center:	3
Bolt Hole Center To Bolt Hole Center:	76.2
Color:	Black
Flange Thickness:	0.236
Flange Thickness:	6
Gasket Or Seal Included:	No
Height:	2.06
Inlet Port Diameter:	1.69
Inlet Port Diameter:	43
Length (in):	4.09
Material:	Steel
Mount Hole Diameter (in):	0.276 in
Mount Hole Diameter (mm):	7 mm
Mount Hole Quantity:	2
Outlet Port Diameter:	1.48
Outlet Port Diameter:	37.5
Programming Required:	No
Weight (lb):	0.21
Width (in):	4.06

• 1993 Cadillac Allante
• 1993-2002 Cadillac Eldorado
• 1993-2004 Cadillac Seville
• 1994-2005 Cadillac DeVille
• 1995-1999 Oldsmobile Aurora
• 2001-2003 Oldsmobile Aurora
• 2004-2005 Pontiac Bonneville
• 2006-2011 Buick Lucerne
• 2006-2011 Cadillac DTS