A-Premium AC Expansion Valve Compatible with Toyota, Lexus & Scion — OEM-quality Aluminum, One-Year Warranty

The A-Premium AC expansion valve is a direct-fit OEM-quality replacement valve engineered to restore consistent air conditioning performance on select Toyota, Lexus and Scion models.

If your vehicle’s cabin cooling has become uneven, noisy, or less effective, a failing thermal expansion valve can be the cause. This A-Premium aluminum expansion valve is manufactured to meet or exceed original equipment specifications and provides a straightforward replacement that fits existing mounting points and fittings for many Toyota, Lexus and Scion vehicles. It’s sold as a brand-new OE-style component with a one-year unlimited-mileage guarantee.

Which vehicles is this A-Premium expansion valve compatible with?

This valve is designed to match exact fitment for a wide range of Toyota, Lexus and Scion cars and crossovers. It covers multiple model years and trims where the OEM part number corresponds to the thermal expansion valve used in the factory system.

• Selected Lexus: CT200h (2011–2017), HS250h (2010–2012), LS460/LS600h series (2007–2017).
• Scion applications: iQ (2012–2015), xB (2008–2010), xD (2008–2014).
• Toyota coverage: Avalon (2013–2018), Camry (2012–2017), Corolla variants (2012–2014), Highlander (2014–2019).
• Also fits Matrix, Mirai, Prius C, RAV4, Venza, Yaris across listed years—see reference numbers to confirm fit.

How does this replacement valve improve AC system performance?

The expansion valve meters refrigerant flow into the evaporator, helping the system maintain proper temperature and pressure balance. A new, precision-engineered valve reduces temperature fluctuations, prevents evaporator freeze-ups and helps the compressor work within intended operating ranges.

• Precision aluminium construction resists corrosion and thermal cycling for stable performance.
• Manufactured to OEM tolerances to restore correct refrigerant metering and airflow.
• Helps reduce uneven cooling, compressor strain and intermittent airflow issues.

What are the reference numbers and build details to verify compatibility?

Use the listed reference numbers to cross-check against your vehicle’s OEM part or repair manual. The valve is aluminum and intended as a direct OE replacement for systems originally fitted with equivalent part numbers.

• Common reference numbers include: 4750510, 39274, 39186 and OEM codes like 88515-02200 series variants.
• Constructed from aluminium with factory-style ports and mounting points to simplify installation.
• Sold as a complete expansion valve assembly—no modification required when matched to the correct application.

What warranty and post-purchase support does A-Premium provide?

A-Premium backs this replacement valve with a one-year unlimited-mileage guarantee, giving you protection against manufacturing defects. Their support covers questions about fitment and part replacement, so you can install with confidence or discuss returns if the part is not correct for your vehicle.

• One-year unlimited-mileage warranty included with the purchase.
• Customer support for fitment verification and replacement guidance.
• Packaged as a new OE-style component for straightforward swap-in service.

Who is this for: This A-Premium AC expansion valve is intended for DIY mechanics, independent technicians and fleet service shops seeking a cost-effective, OE-compatible replacement for AC systems on the covered Toyota, Lexus and Scion models. Choose this part if your vehicle shows signs of inconsistent cabin cooling, evaporator icing or if your technician has identified the thermal expansion valve as the failed component—confirm fit using the model years and reference numbers before ordering.