Gates Engine Coolant Thermostat Housing Gasket P/N:34040 (Pack of 10)

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$24.99
MPN: 34040
UPC: 770075317463
Item Package Quantity: 10
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Gates Engine Coolant Thermostat Housing Gasket P/N:34040 (Pack of 10)
Gates Engine Coolant Thermostat Housing Gasket P/N:34040 (Pack of 10)
$24.99

Get a clean, leak-free seal at the thermostat housing with the Gates Engine Coolant Thermostat Housing Gasket / Thermostat Gasket (MPN 34040). It drops in as a direct-fit replacement for the 1969-1974 Toyota Land Cruiser (L6-3.9L), the 1975-1987 Toyota Land Cruiser (L6-4.2L), and the 1988-1992 Toyota Land Cruiser (L6-4.0L), sealing the joint between the thermostat and its housing so coolant stays in the intended path. This part is listed under both names.

  • Adhesive-backed design: Gates' adhesive-backed thermostat gasket helps align the gasket with the thermostat housing for a leak-free fit, so the job is done right the first time.
  • Self-adhesive backing: Holds the thermostat in place while the water outlet is being installed.
  • Efficient installation: Increases installation efficiency during service.
  • Options available: Rubber thermostat seals are also available.

If a leaking or aged thermostat housing gasket is behind coolant seepage at the outlet, this replaces it. Country of origin: China.

Interchange: 20870 · 1058 · 25617 · 25189 · 27189 · 1634161030

This part cross-references / interchanges with the following part numbers:

20870, 1058, 34040, 25617, 25189, 27189, 1634161030

Frequently Asked Questions

What does this gasket do?

It seals the joint between the thermostat and the thermostat housing (water outlet), helping keep coolant in its intended path for a leak-free connection.

Which vehicles does it fit?

It's a direct-fit replacement for the 1969-1974 (L6-3.9L), 1975-1987 (L6-4.2L), and 1988-1992 (L6-4.0L) Toyota Land Cruiser. See the Buyer's Guide tab to confirm your vehicle.

What makes the Gates design easier to install?

The adhesive-backed, self-adhesive gasket helps align it with the housing and holds the thermostat in place while the water outlet is installed, increasing installation efficiency.

Are rubber thermostat seals available too?

Yes. Gates notes that rubber thermostat seals are also available as an alternative to this adhesive-backed gasket.

How many gaskets does each application use?

The listed applications use one per application. Confirm the quantity your engine requires against the service information before ordering.