Mahle GS33437 Engine Water Pump Installation Kit

Brand Mahle GS33437
Additional Package Contents Throttle Body Gasket, Water Pump Housing, Water Pump Seal
Item Grade OEM Standard
Water Pump Gasket Material Molded Rubber
Fits Buick, Cadillac, Oldsmobile, and Shelby · 54 vehicles

OEM standard. A direct-fit installation kit for dependable replacement work.

Molded rubber. Provides a flexible seal for the water pump gasket.

World-class sealing. Trusted by OEMs and technicians around the globe.

$52.70Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $52.70
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Mahle GS33437 Water Pump Installation Kit

The Mahle GS33437 engine water pump installation kit is built for OE-standard sealing performance on select GM applications. It includes the gaskets and seals needed for water pump housing service, with molded rubber construction for a precise seal at critical coolant and air interfaces.

Key Features

  • OE Standard item grade for factory-style fit and sealing
  • Includes throttle body gasket, water pump housing, and water pump seal
  • Molded rubber water pump gasket material
  • Engine water pump installation kit for cooling system service
  • Mahle sealing products are used by OEMs and technicians worldwide

Detailed Description

Mahle GS33437 is an engine water pump installation kit designed around the sealing components commonly needed during water pump and housing service. The molded rubber gasket material helps provide consistent sealing at the water pump housing, while the included throttle body gasket and water pump seal support related service points on the engine. This kit is a direct-fit sealing solution for vehicles such as the Buick Lucerne, Cadillac DTS, Cadillac DeVille, Cadillac Seville, Cadillac Eldorado, Cadillac Allante, and Oldsmobile Aurora. The GS33437 part number is a practical choice when replacing worn or leaking seals during cooling system repair.

What It Helps Fix

  • Coolant seepage at the water pump housing
  • Leaks caused by aged or flattened molded rubber gaskets
  • Sealing issues during water pump replacement
  • Throttle body gasket leakage found during related engine service
  • Repeat repairs caused by poor sealing at the pump interface

Installation Notes and Tips

Clean all mating surfaces thoroughly before installation and inspect the housing for corrosion, pitting, or warpage. Verify the old gasket material is fully removed before placing the new seals. For fitment verification, confirm the vehicle application before ordering; this kit fits 2006-2011 Buick Lucerne, 2006-2011 Cadillac DTS, 1994-2005 Cadillac DeVille, 1993-2003 Cadillac Seville, 2001-2003 Oldsmobile Aurora, 1995-1999 Oldsmobile Aurora, 1993-2002 Cadillac Eldorado, and 1993 Cadillac Allante. The GS33437 should be installed with proper torque procedures for the water pump and housing fasteners.

Quality Assurance

Mahle sealing products are trusted by OEMs and technicians for consistent sealing performance. This kit is manufactured to OEM-standard expectations for fit and material selection, supporting dependable service on the listed Buick, Cadillac, and Oldsmobile applications.

This part fits 54 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2011BuickLucerne4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2011CadillacDTS4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2010BuickLucerne4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2010CadillacDTS4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2009BuickLucerne4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2009CadillacDTS4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2008BuickLucerne4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2008CadillacDTS4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2007BuickLucerne4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2007CadillacDTS4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2006BuickLucerne4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2006CadillacDTS4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2005CadillacDeVille4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2004CadillacDeVille4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2003CadillacDeVille4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2003CadillacSeville4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2003OldsmobileAurora4.0LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2002CadillacDeVille4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2002CadillacEldorado4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2002CadillacSeville4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2002OldsmobileAurora4.0LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2001CadillacDeVille4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2001CadillacEldorado4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2001CadillacSeville4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2001OldsmobileAurora4.0LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2000CadillacDeVille4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2000CadillacEldorado4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
2000CadillacSeville4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1999CadillacDeVille4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1999CadillacEldorado4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1999CadillacSeville4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1999OldsmobileAurora4.0LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1998CadillacDeVille4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1998CadillacEldorado4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1998CadillacSeville4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1998OldsmobileAurora4.0LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1997CadillacDeVille4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1997CadillacEldorado4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1997CadillacSeville4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1997OldsmobileAurora4.0LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1996CadillacDeVille4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1996CadillacEldorado4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1996CadillacSeville4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1996OldsmobileAurora4.0LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1995CadillacDeVille4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1995CadillacEldorado4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1995CadillacSeville4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1995OldsmobileAurora4.0LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1994CadillacDeVille4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1994CadillacEldorado4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1994CadillacSeville4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1993CadillacAllante4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1993CadillacEldorado4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber
1993CadillacSeville4.6LV8N/AContains All Water Pump Housing And Throttle Body Gaskets; Molded Rubber