Step 2 of 12 · Wipers, Washer Fluid & Cabin Filter
Read the length — 26"/17" is an example, not a law
Read the length — 26"/17" is an example, not a law — step 2 of 12 in Wipers, Washer Fluid & Cabin Filter. Open the driver's door and look for a tire/maintenance sticker; some cars print wiper sizes there.

Free auto & mechanics tip: Read the length — 26"/17" is an example, not a law (step 2 of 12 from "Wipers, Washer Fluid & Cabin Filter").
Open the driver's door and look for a tire/maintenance sticker; some cars print wiper sizes there. Otherwise the owner's manual, or measure the old metal spine in inches or millimetres while the blade is off. A typical compact sedan might be 26" driver / 17" passenger, or 24"/18", or two 24" blades. Installing a 26" on a 24" arm lets the blade hit the other side or the A-pillar.
Buy the connector type that matches, not just the length. Take a phone photo of the old hook before you leave the parts aisle. 'Universal' adapters in the box are fine if they click like the old one. A blade that needs five adapters and still wiggles is the wrong blade.
You'll need
- Length from door/manual/old blade
- Photo of the connector
- Engine off, wipers at rest
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