The 19109-PH1-620 thermostat cover is a genuine Honda OEM housing designed to securely hold the engine thermostat in place and route coolant through the cooling system. Mounted to the engine block or cylinder head, this cast aluminum cover ensures proper coolant flow, sealing, and temperature regulation. Replace it during coolant system service, leaks, or corrosion-related failures.

Key Features:

• 100% Genuine Honda OEM thermostat housing/cover

• Ensures proper sealing and coolant flow through the thermostat

• Cast aluminum construction resists warping and corrosion

• Precision fit for reliable coolant system operation

• Direct-fit replacement — no modification required

Compatible With:

• 1988–1991 Honda Civic / CRX (D15B2, D16A6)

• 1986–1989 Honda Accord

• 1988–1991 Honda Prelude (select models)
  (Always confirm fitment using your VIN or engine code)

Specifications:

• Part Number: 19109-PH1-620

• Replaces: N/A

• Condition: Brand New

• Quantity: 1 Thermostat Cover

• Material: Cast aluminum

• Mounting Location: Cylinder head or engine block coolant outlet

Why Buy from Elite Race Fab?

• We supply only 100% genuine Honda OEM cooling system components

• Fast, secure shipping from real engine and restoration pros

• Trusted by tuners, shops, and OEM purists nationwide

• Real support — get the exact part, the first time