MAHLE / CLEVITE C33803

MAHLE / CLEVITE part number C33803 is a thermostat / thermostat housing / water outlet seal in the Cooling System system. This catalog matches it to 16 year-and-engine configurations from 2019 to 2025.

Verified fitment includes 2025 Mazda CX-50 2.5L L4 ; 2025 Mazda CX-50 2.5L L4 ELECTRIC/GAS ; 2024 Mazda 3 2.5L L4 ; 2024 Mazda CX-5 2.5L L4 ; 2024 Mazda CX-50 2.5L L4 , plus 11 other configurations. See every vehicle this part fits.

Manufacturer specifications
Molded Rubber
Coolant Outlet Cover Gasket
Application data published for:
🇺🇸 US 🇨🇦 CA

Frequently Asked Questions

What is MAHLE / CLEVITE C33803?

MAHLE / CLEVITE part number C33803 is a thermostat / thermostat housing / water outlet seal with published application data for 16 vehicle configurations from 2019 to 2025. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.

Which vehicles does MAHLE / CLEVITE C33803 fit?

This catalog matches C33803 to 16 year-and-engine configurations from 2019 to 2025. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.

Is MAHLE / CLEVITE C33803 OEM or aftermarket?

What matters is the published application data for this part number, not the label on the box. MAHLE / CLEVITE C33803 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.

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