The typical front wiper blade setup for a 1990 Chevrolet S-10 pickup is a 20-inch blade on the driver’s side and an 18-inch blade on the passenger side.
Wiper sizes can vary by cab configuration and trim, so it's important to confirm the exact lengths on your vehicle before purchasing replacements.
Known blade sizes for the 1990 S-10
The following sizes are commonly reported for the 1990 S-10 and serve as a baseline for replacement shopping.
- Driver-side blade: 20 inches
- Passenger-side blade: 18 inches
Note that blade length can vary with cab type (standard vs extended cab) or regional product differences, so always verify against your truck before purchasing.
How to confirm the correct size for your truck
To ensure the right fit, use one or more of these verification methods.
- Check the owner's manual or the wiper blade section for length recommendations.
- Remove the current blades and measure the length from tip to tip, including any curved portion.
- Compare the blade packaging or part number to the lengths you need (for example, 20" and 18").
- Use a parts database or Chevrolet parts catalog by entering the year/model or VIN for precise guidance.
Accurate verification helps prevent ill-fitting blades and ensures optimal visibility in adverse weather.
Additional considerations
When shopping for 1990 S-10 wipers, consider blade type and climate conditions. Options include winter-rated blades for snow and ice and silicone blades for longer life in varied weather. Replacing both blades at the same time helps ensure even wear and consistent performance.
Choosing the right blades with compatible adapters for your wiper arms can also save installation hassles.
Summary
For the 1990 S-10 pickup, typical front wiper sizes are 20 inches on the driver’s side and 18 inches on the passenger side. Always verify with the owner's manual, current blade measurements, or a parts database to account for any cab variation. Replacing both blades together and selecting climate-appropriate options can improve visibility and longevity.