Heating and Cooling› Thermostats, Housings and Fillers

Mazda

CX-50 2.5L L4 - Gas Thermostat

$36.78

SKU: PX8E-15-171

Special Order
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Mazda Engine Coolant Thermostat (PX8E-15-171) is a genuine OEM replacement part designed to ensure your engine operates at the optimal temperature. Proper functioning of the thermostat is critical for preventing overheating and maintaining fuel efficiency. This thermostat is manufactured by Mazda to meet strict quality standards and comes complete with the necessary gasket for a secure and leak-free installation. Its direct-fit design guarantees compatibility with the specified vehicle models. This specific thermostat is designed for the 2023-2025 Mazda CX-50. It is compatible with the 2.5L L4 - Gas engine and the 2.5 S body trim. Ensure your vehicle matches these specifications for correct fitment.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandMazda
Part NumberPX8E-15-171
CategoryHeating and Cooling

About MOTORMIA

5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy