Seal a fresh water pump against coolant leaks with the MAHLE Engine Water Pump Installation Kit GS33437. This gasket-and-seal kit supplies the sealing components used to mount the engine water pump to the block, closing the coolant passages between the pump and the engine so coolant stays inside the cooling circuit. It's a direct-fit replacement for the 2006-2011 Buick Lucerne, 1993 Cadillac Allante, 1994-2005 Cadillac DeVille, 2006-2011 Cadillac DTS, 1993-2002 Cadillac Eldorado, 1993-2003 Cadillac Seville, 1995-1999 and 2001-2003 Oldsmobile Aurora, and 1999-2000 Shelby Series 1.
- Coolant-side sealing: provides the gasket/seal pieces that seal the water pump to the engine's coolant passages.
- Install-ready: intended to be fitted whenever the water pump is replaced, so old, hardened gaskets are renewed at the same time.
- MAHLE sealing: a MAHLE Gaskets sealing kit built for this engine family's water pump.
If a weeping or hardened water-pump gasket is the cause of coolant seepage at the pump, replacing the sealing components with this kit addresses it. Diagnose the source of any leak before ordering, and consult the vehicle service information for the correct torque and procedure.
Interchange: Manufacturer part number GS33437.
Frequently Asked Questions
What does this kit do?
It supplies the gaskets and seals used to mount the engine water pump to the block, sealing the coolant passages between the pump and engine so coolant stays contained.
Which vehicles does it fit?
It's a direct-fit replacement for vehicles including the 2006-2011 Buick Lucerne and Cadillac DTS, 1994-2005 Cadillac DeVille, and 1993-2003 Cadillac Seville. See the Buyer's Guide tab for the full list.
Does this include the water pump?
This listing is the water pump installation (sealing) kit. Check the item contents against your job, as the water pump itself may be sourced separately.
When should I replace these gaskets?
Best practice is to fit fresh sealing components whenever the water pump is removed or replaced, so old, hardened gaskets don't cause a new coolant leak.
Coolant is seeping near my water pump—will this fix it?
If a worn or hardened water-pump gasket is the cause of the seepage, replacing the sealing components with this kit addresses it. Diagnose the leak source before ordering.
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