Subaru Impreza WRX Forester Key Replacement Guide

Last updated: September 2026 · Verified against OEM part numbers

Compatible keys for Subaru Impreza WRX Forester

Before you order

• Match the year range — Subaru changed key systems across model years. Check your registration year.
• Check your current key — the OEM number printed on your key matches the table above.
• Programming — smart keys need a compatible programmer (Xhorse, VVDI, Autel). We can advise which one works for each key.

Frequently asked questions

What frequency is the Subaru Impreza WRX Forester key?

The Subaru Impreza WRX Forester key operates on 315 MHz. Frequency is fixed in the key hardware and cannot be reprogrammed — a key bought on the wrong frequency will not lock, unlock or start the car.

What chip does the Subaru Impreza WRX Forester key use?

The Subaru Impreza WRX Forester uses a 4D82 chip. Tell your supplier the chip type when ordering so you receive the correct blank — an ID46 blank will not replace an ID47 or 4D83 key.

Which key fits my Subaru Impreza WRX Forester?

The Subaru Impreza WRX Forester (various model years) uses the CWTWB1U811 / 57497-FJ021/20 / 57497-AL00A 315MHz 4D82 Chip Remote Head Key for Subaru Impreza WRX Forester (SKU PCK-SU-2019). Check the table above for all compatible options, verified against OEM part numbers.

Do you supply Subaru Impreza WRX Forester keys wholesale?

Yes. We supply locksmiths and key distributors at wholesale prices with MOQ from 5 units. Message us on WhatsApp for today's price list.

Related: All Subaru keys · All guides · Key Finder

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