Hold your engine at its ideal operating temperature with the AISIN Engine Coolant Thermostat THZ-008 (also written THZ008). This OE-engineered thermostat assembly drops in as a direct-fit replacement for the 2016-2018 Mazda CX-3 [L4-2.0L], 2016-2023 Mazda MX-5 [L4-2.0L], 2016-2023 Mazda CX-9 [L4-2.5L], 2017-2023 Mazda CX-5 [L4-2.5L], 2019-2021 Mazda 6 [L4-2.5L], 2021-2025 Mazda 3 [L4-2.5L], 2021-2024 Mazda CX-30 [L4-2.5L], and 2023 Mazda CX-50 [L4-2.5L] — one per application.
The thermostat stays closed while the engine warms, then opens to route coolant through the radiator, helping keep the cooling system within its intended temperature range. AISIN builds this unit to OE form, fit and function for a proper factory match.
- Brass and stainless steel construction for durable thermostat operation.
- Standard design that begins to open at 88°C (190.4°F).
- Integrated jiggle-pin check valve to help vent trapped air from the housing.
- Gasket/seal included, with a 52.0 mm sealing flange outside diameter and 44.3 mm flange height. Country of origin: Japan.
Signs the original thermostat may need replacing include overheating, a temperature gauge that never reaches normal, slow warm-up, or fluctuating temperatures.
Interchange: 143-0960 · P502-15-171
1430960 · P50215171 · TX36588
This part cross-references / interchanges with the following part numbers:
143-0960, TX36588, P502-15-171, THZ-008
