2018 GMC Sierra wiper blade size
The 2018 GMC Sierra uses a 22" driver-side wiper blade and a 22" passenger-side blade. Checked sources support no rear wiper blade for this record.
Front sizes confirmed unchanged across 15 model years (2010–2024).
2018 GMC Sierra wiper blade size chart
| Item | Size | Notes |
|---|---|---|
| Driver | 22" | Driver-side wiper blade |
| Passenger | 22" | Passenger-side wiper blade |
| Rear | N/A ? | This vehicle does not use a rear wiper blade |
| Connector | Push Button (22mm) Push Button (22mm) Simplified sketch for identification only. Adapter shapes vary by brand. Open connector guide | Checked connector / arm type |
Savana 2500, Savana 3500, Sierra 1500, Sierra 2500 HD, Sierra 3500 HD
GMC Sierra wiper blade sizes by year
This table includes verified GMC Sierra model years available in our database.
| Year | Driver | Passenger | Rear | Connector |
|---|---|---|---|---|
| 2024 | 22" | 22" | N/A ? | 9 X 3 Hook |
| 2023 | 22" | 22" | N/A ? | 9 X 3 Hook |
| 2022 | 22" | 22" | N/A ? | 9 X 3 Hook |
| 2021 | 22" | 22" | N/A ? | 9 X 3 Hook |
| 2020 | 22" | 22" | N/A ? | 9 X 3 Hook |
| 2019 | 22" | 22" | N/A ? | 9 X 3 Hook |
| 2018 Current page | 22" | 22" | N/A ? | Push Button (22mm) |
| 2017 | 22" | 22" | N/A ? | Push Button (22mm) |
| 2016 | 22" | 22" | N/A ? | Push Button (22mm) |
| 2015 | 22" | 22" | N/A ? | Push Button (22mm) |
| 2014 | 22" | 22" | Unverified | Push Button (22mm) |
| 2013 | 22" | 22" | Unverified | Pinch Tab |
| 2012 | 22" | 22" | Unverified | Pinch Tab |
| 2011 | 22" | 22" | Unverified | Pinch Tab |
| 2010 | 22" | 22" | Unverified | Pinch Tab |
2018 sits between 2019 and 2017 in this Sierra year table. Same visible pattern: 2024, 2023, 2022, 2021, 2020, 2019, 2017, 2016, 2015. Compare the exact year row before ordering.
Fitment notes
Checked sources support no rear wiper blade for this record. GM public owner manual check for 2018 GMC Sierra found front-only wiper evidence in: 2018 GMC Sierra / Sierra Denali Owner Manual. 2018 GMC Sierra / Sierra Denali Owner Manual replacement_pages=342|376|449|504 parts_pages=459. The manuals contain Front Wiper Blade Replacement and Driver Side/Passenger Side wiper blade replacement-parts rows, with no Rear Wiper/Rear Side/Liftgate wiper row in the checked sections.
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 matching 22" front blades.
No rear wiper blade.
Source table: 6 checked source rows. Driver: 1 source label; passenger: 1 source label.
Connector: Push Button (22mm), checked.
Before ordering for this 2018 GMC Sierra
- Front pair: Select a 22" driver-side blade and a 22" passenger-side blade.
- Rear blade: N/A. Checked sources support no rear wiper blade for this record.
- Connector: Push Button (22mm). Confirm the selected package includes the matching adapter.
- Source check: Last verified 2026-06-21 from ANCO.
About this data
How we verify fitmentChecked fitment data. Last verified: 2026-06-21.
This page-specific source pack checked ANCO for the 2018 GMC Sierra. The table lists which checked source contributed driver, passenger, rear, or connector evidence.
- Blade sizes
- Needs review
- Rear status
- No rear blade confirmed
- Connector
- Verified
- Sources
- ANCO
- Cross-checked
- Trico, WiperSizeChart, Walmart, WiperSize.com, Rain-X
- Driver blade: Supported by ANCO
- Passenger blade: Supported by ANCO
- Rear blade: Checked rear status note: GM public owner manual check for 2018 GMC Sierra found front-only wiper evidence in: 2018 GMC Sierra / Sierra Denali Owner Manual. 2018 GMC Sierra / Sierra Denali Owner Manual replacement_pages=342|376|449|504 parts_pages=459. The manuals contain Front Wiper Blade Replacement and Driver Side/Passenger Side wiper blade replacement-parts rows, with no Rear Wiper/Rear Side/Liftgate wiper row in the checked sections.
- Connector / arm: Supported by ANCO
| Source | Role | Supports | Checked | Link |
|---|---|---|---|---|
| ANCO | Primary fitment reference | Driver, Passenger, Connector | 2026-06-21 | Visit source |
| Trico | Cross-check source | Checked only | 2026-06-20 | Not available |
| WiperSizeChart | Cross-check source | Checked only | 2026-06-20 | Not available |
| Walmart | Retailer fitment check | Checked only | 2026-06-20 | Not available |
| WiperSize.com | Cross-check source | Checked only | 2026-06-20 | Not available |
| Rain-X | Cross-check source | Checked only | 2026-06-21 | Not available |
Replacement paths
These are retailer search paths for your vehicle. The sizes above are checked — use the retailer's vehicle selector at checkout to confirm before ordering.
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 2018 GMC Sierra blades →AutoZone
Use the vehicle selector before checkout.
Search 2018 GMC Sierra blades →Amazon
Check listing fitment notes against the sizes above.
Search 2018 GMC Sierra blades →O'Reilly
Verify connector and blade lengths before ordering.
Search 2018 GMC Sierra blades →Look up another vehicle
Find checked wiper blade sizes by exact year, make, and model.