Parts for your 2021 Subaru Impreza-Wiper blades

2021 Subaru Impreza wiper blades — purpose, care, and replacement

Wiper blades are absolutely relevant and fitted to the 2021 Subaru Impreza. Subaru’s 2021 Impreza Owner’s Manual (Wiper and Washer Systems, Maintenance) and the Subaru Service and Warranty Handbook for Australia/New Zealand list wiper blade inspection and replacement as routine service items. Subaru genuine parts catalogues also identify front windscreen blades for all models and a rear blade for hatch variants, sedans do not have a rear wiper.

On a 2021 Impreza, wiper blades do the essential job of clearing rain, road grime, and spray to keep the windscreen visible in all sorts of Aussie and Kiwi weather. On hatch models, the rear blade keeps the back glass tidy so reversing cameras and rear visibility stay sharp. As rubber naturally hardens and wears with sun, salt air, and temperature swings, blades are consumable items that should be checked at every service and replaced regularly.

For most drivers across Australia and New Zealand, replacing the wipers every 6–12 months is a good rule of thumb, or sooner if there’s streaking, smearing, chattering, or split edges. Subaru’s service guidance calls for periodic inspection, if the blades no longer wipe cleanly, it’s time to change them. When fitting new ones, choose blades specified for the 2021 Impreza and replace both fronts together for an even sweep. Hatch owners should also check the rear wiper for similar wear.

Simple care goes a long way between services. Keep the windscreen clean, and gently wipe the rubber edge with a damp cloth to remove grit. Avoid running the wipers on a dry screen, especially after dust or beach trips. If the car is a later-model Subaru with a wiper service position, use the method outlined in the owner’s manual to lift the arms safely before cleaning or replacement. Don’t twist the wiper arms or let them spring back on the glass.

• Signs it’s time to replace: streaks or missed patches, juddering or chatter, squeaks, frayed or cracked rubber, or heavy bug and tar build-up that won’t clean off.
• Quick tips: use proper washer fluid, rinse off salt and dust after coastal or gravel road drives, and check the rear blade on hatch models as often as the fronts.

Looking after the wiper blades as part of regular servicing keeps the Impreza safer, quieter, and easier to live with when the weather turns.

Popular questions about 2021 Subaru Impreza wiper blades

What sizes fit the 2021 Impreza?
The 2021 Impreza uses different lengths left to right at the front, and hatch models have a specific rear blade. Sizes can vary by body style and market, so check the vehicle handbook or a Subaru parts guide to ensure the correct fitment. Matching the exact connector and specification helps the blades sit correctly and sweep cleanly.

How often should they be replaced in Australia or New Zealand?
Plan on 6–12 months depending on climate and use, and inspect at every scheduled service. Coastal air, strong UV, and frequent rain can shorten blade life. Replace sooner if you notice streaking, noise, or the rubber edge looks worn.

Can the rubber refills be changed, or do I need complete blades?
Many genuine Subaru assemblies accept rubber refills, while a lot of aftermarket options come as complete beam-style blades. Either approach works if the parts match the 2021 Impreza’s specifications. If the frame is bent or corroded, go for a complete blade, if the frame is fine, refills can be an economical refresh.