Victor Reinz 51-10042-00 Engine Coolant Thermostat Housing Gasket - Upper

OE-Style Thermostat Housing Seal

Victor Reinz 51-10042-00 is an engine coolant thermostat housing gasket built for sealing the thermostat housing on select Hyundai and Kia applications. It uses fiber construction and OE-focused gasket engineering to support a reliable coolant seal on vehicles such as the Hyundai Elantra, Tucson, Tiburon, and Kia Sportage.

For repairs on the Hyundai Elantra or Kia Spectra, this gasket provides the correct fitment profile for upper thermostat housing service. Victor Reinz 51-10042-00 is made for drivers and technicians who need a direct sealing solution for cooling system maintenance.

Key Features

• Engine coolant thermostat housing gasket for upper housing applications
• Fiber material for sealing performance in cooling system service
• Inside diameter: 1.954 in.
• Thickness: 0.050 in.
• Mounting hole quantity: 2
• Mounting hole diameter: 0.394 in.
• OE supplier heritage from Victor Reinz gasket engineering

Detailed Description

Victor Reinz 51-10042-00 is designed as an OE-quality thermostat housing gasket for cooling system repairs where a precise seal is required. The fiber construction and measured dimensions help match the housing interface on supported Hyundai and Kia engines, including applications across the Hyundai Elantra, Hyundai Tiburon, Kia Spectra, Kia Spectra5, Kia Sportage, Kia Tucson, and Kia Soul fitments listed below. This part cross-references FEL-PRO 25538 for the same application.

Use Victor Reinz 51-10042-00 when replacing a leaking or deteriorated thermostat housing gasket on 1996-2012 Hyundai Elantra, 1997-2001 Hyundai Tiburon, 2003-2008 Hyundai Tiburon, 2005-2009 Hyundai Tucson, 2004-2009 Kia Spectra, 2005-2009 Kia Spectra5, 2005-2010 Kia Sportage, or 2010-2011 Kia Soul, upper.

What It Helps Fix

• Coolant seepage at the thermostat housing
• External leaks around the upper cooling system seal
• Loss of sealing from a flattened or worn gasket
• Service issues after thermostat housing removal
• Cooling system maintenance on Hyundai Elantra and Kia Spectra applications

Installation Notes and Tips

Clean both sealing surfaces before installation and remove all old gasket material, corrosion, and coolant residue. Verify the housing and mating surfaces are flat and undamaged, then install the gasket in the correct upper position for the listed vehicle application. Refill and bleed the cooling system according to the vehicle service procedure after repair.

Quality Assurance

Victor Reinz supplies original equipment sealing technology and broad coverage for foreign and domestic vehicles. Part number 51-10042-00 reflects that OE-focused engineering approach for dependable thermostat housing sealing service.