Heating and Cooling› Air Conditioning

FOUR SEASONS

EXPANSION VALVE

$46.45

SKU: F027 38663

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Four Seasons 38663 is an A/C expansion valve designed for specific Mazda models. It helps regulate refrigerant flow in your vehicle's air conditioning system for efficient cooling performance using R134a refrigerant. This expansion valve is constructed from durable brass for long-lasting use.

This thermostatic expansion valve (Txv) type offers precise refrigerant control and has a super heat rating of 8.0 for optimized A/C system performance. It is a direct replacement component for select Mazda 323, 626, MX-3, MX-6, and Protege models, ensuring a bolt-on fit with no modifications needed.

Fitment

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Specifications

BrandFOUR SEASONS
Part NumberF027 38663

Buy with Confidence

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.

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