Seal the coolant thermostat housing connection and keep coolant contained with the FEL-PRO Engine Water Pump Gasket / Coolant Thermostat Housing Gasket 35552. This application-specific gasket drops in as a direct-fit replacement across a long list of Lexus and Toyota V8 applications — including the 1998-2000 LEXUS GS400 (V8-4.0L), 2001-2007 LEXUS GS430 (V8-4.3L), 2003-2009 TOYOTA 4RUNNER (V8-4.7L) and 2000-2009 TOYOTA TUNDRA (V8-4.7L) — and installs in the lower position. See the Buyer's Guide tab for the full list of covered vehicles.
FEL-PRO builds its gaskets for the real-world repair environment, using proprietary materials designed to seal even imperfect surfaces so you can count on a dependable coolant seal. This part is listed under both the Engine Water Pump Gasket and Coolant Thermostat Housing Gasket names. Made in the United States.
Interchange: 123391 · 1603250010 · K31257 · 830927 · 711600100 · Manufacturer part number 35552
This part cross-references / interchanges with the following part numbers:
What does the FEL-PRO 35552 gasket do?
It seals the coolant thermostat housing joint (also listed as an engine water pump gasket) to help keep engine coolant from leaking at the mating surface. Installs in the lower position.
Which vehicles does this gasket fit?
It's a direct-fit replacement for listed Lexus and Toyota V8 applications, including the GS400/GS430, GX470, LS400/LS430, LX470, SC400/SC430, 4Runner, Land Cruiser, Sequoia and Tundra. See the Buyer's Guide tab for the full list.
What is the gasket made of and how thick is it?
It's a black paper gasket measuring 0.030 in thick, with two mounting holes each 0.401 in in diameter. It's a premium-grade, application-specific design.
Does it meet original equipment specifications?
Yes. FEL-PRO states this gasket meets or exceeds all original equipment specifications and is validated for fit, form, and function. Country of origin: United States.
How many gaskets do I need?
The listed applications use one gasket each (quantity per application: 1), and this listing is for one gasket.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
