2018 Jeep Wrangler JK wiper blade size
The 2018 Jeep Wrangler JK uses a 15" driver-side wiper blade, a 15" passenger-side blade, and a 12" rear wiper blade.
2018 Jeep Wrangler JK wiper blade size chart
| Item | Size | Notes |
|---|---|---|
| Driver | 15" | Driver-side wiper blade |
| Passenger | 15" | Passenger-side wiper blade |
| Rear | 12" | Rear wiper blade |
| Connector | 9 X 3 Hook 9 X 3 Hook Simplified sketch for identification only. Adapter shapes vary by brand. Open connector guide | Checked connector / arm type |
Jeep Wrangler JK wiper blade sizes by year
This table includes verified Jeep Wrangler JK model years available in our database.
No other published Jeep Wrangler JK years are available yet.
The 2018 row is the only listed Wrangler JK year. No other listed Wrangler JK year in this table currently shares this exact driver / passenger / rear pattern. Use this exact year row before ordering.
Fitment notes
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
The 2018 Jeep Wrangler JK uses matching 15" front blades on the driver and passenger sides. Order the front pair as two same-length blades, then handle the rear field separately.
The rear field for the 2018 Jeep Wrangler JK is 12". Rear size is supported by Rain-X and WiperSizeChart.
Source table: 6 checked source rows. Driver: 2 source labels; passenger: 2 source labels.
Connector type for the 2018 Jeep Wrangler JK is listed as 9 X 3 Hook and supported by Rain-X. Confirm the selected package includes that adapter.
Before ordering for this 2018 Jeep Wrangler JK
- Front pair: Select a 15" driver-side blade and a 15" passenger-side blade.
- Rear blade: Select a 12" rear blade.
- Connector: 9 X 3 Hook. Confirm the selected package includes the matching adapter.
- Source check: Last verified 2026-06-13 from Rain-X.
About this data
How we verify fitmentChecked fitment data. Last verified: 2026-06-13.
This page-specific source pack checked Rain-X for the 2018 Jeep Wrangler JK. The table lists which checked source contributed driver, passenger, rear, or connector evidence.
- Blade sizes
- Verified
- Rear status
- 12" verified
- Connector
- Verified
- Sources
- Rain-X
- Cross-checked
- Bosch, TRICO, AutoZone, O'Reilly, WiperSizeChart
- Driver blade: Supported by Rain-X, WiperSizeChart
- Passenger blade: Supported by Rain-X, WiperSizeChart
- Rear blade: Supported by Rain-X, WiperSizeChart
- Connector / arm: Supported by Rain-X
| Source | Role | Supports | Checked | Link |
|---|---|---|---|---|
| Rain-X | Primary fitment reference | Driver, Passenger, Rear, Connector | 2026-06-14 | Visit source |
| Bosch | Cross-check source | Checked only | 2026-06-13 | Visit source |
| TRICO | Cross-check source | Checked only | 2026-06-13 | Visit source |
| AutoZone | Retailer fitment check | Checked only | 2026-06-13 | Checked source |
| O'Reilly | Retailer fitment check | Checked only | 2026-06-13 | Checked source |
| WiperSizeChart | Cross-check source | Driver, Passenger, Rear | 2026-06-13 | Checked source |
2018 Jeep Wrangler JK wiper blade FAQ
Yes. The checked front pair for the 2018 Jeep Wrangler JK is 15" on the driver side and 15" on the passenger side. Match the two positions separately in the cart.
The rear wiper blade listed for this 2018 Wrangler JK is 12". Confirm the retailer listing keeps the rear position separate from the front pair.
Retailer catalogs can update separately. Confirm the exact 2018 Jeep Wrangler JK selector at checkout before you buy.
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 available wiper blade listings for the 2018 Jeep Wrangler JK and confirm the selected set matches the listed sizes.
Search 2018 Jeep Wrangler JK blades →AutoZone
Use AutoZone's vehicle selector for the 2018 Jeep Wrangler JK before checkout to confirm driver, passenger, and rear fitment.
Search 2018 Jeep Wrangler JK blades →Amazon
Search Amazon listings for the 2018 Jeep Wrangler JK and check the listing fitment notes against the sizes above.
Search 2018 Jeep Wrangler JK blades →O'Reilly
Open O'Reilly's fitment search for the 2018 Jeep Wrangler JK and verify the connector and blade lengths before ordering.
Search 2018 Jeep Wrangler JK blades →Look up another vehicle
Find checked wiper blade sizes by exact year, make, and model.