2021 Subaru Legacy wiper blade size
The 2021 Subaru Legacy uses a 26" driver-side wiper blade and a 17" passenger-side blade. Rear not verified.
Front sizes confirmed unchanged across 10 model years (2015–2024).
2021 Subaru Legacy wiper blade size chart
| Item | Size | Notes |
|---|---|---|
| Driver | 26" | Driver-side wiper blade |
| Passenger | 17" | Passenger-side wiper blade |
| Rear | Unverified | Unverified |
| Connector | Wet D-PTB Wet D-PTB Simplified sketch for identification only. Adapter shapes vary by brand. Open connector guide | Checked connector / arm type |
Subaru Legacy wiper blade sizes by year
This table includes verified Subaru Legacy model years available in our database.
| Year | Driver | Passenger | Rear | Connector |
|---|---|---|---|---|
| 2025 | 26" | 18" | Unverified | — |
| 2024 | 26" | 17" | Unverified | — |
| 2023 | 26" | 17" | Unverified | Wet D-PTB |
| 2022 | 26" | 17" | Unverified | Wet D-PTB |
| 2021 Current page | 26" | 17" | Unverified | Wet D-PTB |
| 2020 | 26" | 17" | Unverified | Wet D-PTB |
| 2019 | 26" | 17" | Unverified | 9 X 3 Hook |
| 2018 | 26" | 17" | Unverified | 9 X 3 Hook |
| 2017 | 26" | 17" | Unverified | 9 X 3 Hook |
| 2016 | 26" | 17" | Unverified | 9 X 3 Hook |
| 2015 | 26" | 17" | Unverified | 9 X 3 Hook |
| 2014 | 26" | 19" | Unverified | 9 X 3 Hook |
| 2013 | 26" | 19" | Unverified | 9 X 3 Hook |
| 2012 | 26" | 19" | Unverified | 9 X 3 Hook |
| 2011 | 26" | 19" | Unverified | 9 X 3 Hook |
| 2010 | 26" | 19" | Unverified | 9 X 3 Hook |
2021 sits between 2022 and 2020 in this Legacy year table. Same visible pattern: 2024, 2023, 2022, 2020, 2019, 2018, 2017, 2016, 2015. Compare the exact year row before ordering.
Fitment notes
Rear not verified. Do not add a rear blade from this page alone.
When buying replacement blades, match this connector type. Most universal blades include adapters, but confirming your arm style at checkout prevents a return trip.
Retailer fitment tools may use different fitment data. Confirm blade length before ordering.
Vehicle-specific evidence notes
This row uses a staggered front pair: 26" driver, 17" passenger.
Unverified; confirm before adding a rear blade.
Source table: 13 checked source rows. Driver: 3 source labels; passenger: 3 source labels.
Connector: Wet D-PTB, checked.
Before ordering for this 2021 Subaru Legacy
- Front pair: Select a 26" driver-side blade and a 17" passenger-side blade.
- Rear blade: Unverified. Do not add a rear blade from this page alone.
- Connector: Wet D-PTB. Confirm the selected package includes the matching adapter.
- Source check: Last verified 2026-06-20 from WiperSizeChart.
About this data
How we verify fitmentChecked fitment data. Last verified: 2026-06-20.
This page-specific source pack checked WiperSizeChart for the 2021 Subaru Legacy. The table lists which checked source contributed driver, passenger, rear, or connector evidence.
- Blade sizes
- Verified
- Rear status
- Unverified
- Connector
- Verified
- Sources
- WiperSizeChart
- Cross-checked
- Trico, AutoZone, O'Reilly, Bosch, Walmart, Michelin, RockAuto, ACDelco, CarParts.com, Rain-X, ANCO, WiperSize.com
- Driver blade: Supported by WiperSizeChart, RockAuto, Rain-X
- Passenger blade: Supported by WiperSizeChart, RockAuto, Rain-X
- Rear blade: Unverified
- Connector / arm: Supported by Rain-X
| Source | Role | Supports | Checked | Link |
|---|---|---|---|---|
| Trico | Cross-check source | Checked only | 2026-06-19 | Not available |
| AutoZone | Retailer fitment check | Checked only | 2026-06-12 | Open source |
| O'Reilly | Retailer fitment check | Checked only | 2026-06-12 | Open source |
| WiperSizeChart | Primary fitment reference | Driver, Passenger | 2026-06-20 | Open source |
| Bosch | Cross-check source | Checked only | 2026-06-16 | Open source |
| Walmart | Retailer fitment check | Checked only | 2026-06-16 | Open source |
| Michelin | Cross-check source | Checked only | 2026-06-16 | Open source |
| RockAuto | Cross-check source | Driver, Passenger | 2026-06-16 | Open source |
| ACDelco | Cross-check source | Checked only | 2026-06-20 | Open source |
| CarParts.com | Cross-check source | Checked only | 2026-06-16 | Open source |
| Rain-X | Cross-check source | Driver, Passenger, Connector | 2026-06-20 | Open source |
| ANCO | Cross-check source | Checked only | 2026-06-19 | Not available |
| WiperSize.com | Cross-check source | Checked only | 2026-06-19 | Not available |
Replacement paths
These are retailer search paths for your vehicle's wiper blade sizes. Verify final fitment at checkout.
This section may include affiliate or sponsored retailer links. They are purchase paths, not fitment evidence.
Walmart
Compare listings and confirm the listed sizes.
Search 2021 Subaru Legacy blades →AutoZone
Use the vehicle selector before checkout.
Search 2021 Subaru Legacy blades →Amazon
Check listing fitment notes against the sizes above.
Search 2021 Subaru Legacy blades →O'Reilly
Verify connector and blade lengths before ordering.
Search 2021 Subaru Legacy blades →Look up another vehicle
Find checked wiper blade sizes by exact year, make, and model.