The driver’s side blade is typically 24 inches and the passenger’s side blade is 20 inches.
For the 2013 GMC Sierra 2500HD, blade sizing can vary by cab configuration (regular, extended, or crew cab) and trim. Always confirm by checking the owner’s manual or by measuring the blades currently installed on the vehicle.
Common sizes for this model
The sizes below reflect the most commonly used pairing on 2013 Sierra 2500HD models. Your exact configuration may differ, so use these as a guideline and verify on your vehicle.
- Driver-side blade: 24 inches
- Passenger-side blade: 20 inches
When replacing, ensure you match the exact lengths for your cab style. If your vehicle has a nonstandard configuration, sizes may differ slightly and should be confirmed before purchase.
How to verify the size on your vehicle
Use these steps to confirm the correct blade sizes if you’re unsure or replacing aftermarket parts:
- Consult the owner's manual or the glove compartment booklet for the recommended blade lengths.
- Inspect the current blades for length markings, which are often printed on the blade itself or on the adaptor.
- Measure the blades with a tape measure from the center of the mounting point to the tip of the blade for each side.
- Ask a parts store associate to verify fit for your specific truck configuration (cab and bed combination).
- Cross-check the GM OEM part number or the retailer’s compatibility notes to ensure accuracy.
Confirmation through manual or measurements helps avoid purchasing mismatched blades and ensures proper coverage and performance.
Replacement options and brands
Several reputable brands offer 24-inch driver-side and 20-inch passenger-side blades. Below are common choices that are compatible with the Sierra 2500HD, though availability can vary by retailer and region.
- Bosch ICON
- ACDelco
- Rain-X Latitude
- Trico Ultra
- Anco
- Motorcraft
When shopping, look for blades specified as 24" and 20" with the correct mounting style for GM trucks. If you’re replacing both blades, purchasing a matched pair is typically best for even wiping performance.
Replacement tips
Install blades correctly to ensure a secure fit and optimal performance. Follow these general steps, or have a professional perform the replacement if you’re unsure.
- Lift the wiper arm away from the windshield and locate the blade release mechanism.
- Release the old blade from the wiper hook or adaptor, taking care not to damage the blade or glass.
- Attach the new blade to the wiper arm using the provided adaptor or hook system, ensuring it locks into place.
- Lower the wiper arm back to the windshield gently and test the wipe to confirm full contact and no streaking.
- Repeat on the other side if replacing both blades.
Tip: If the blade does not seat properly or you hear unusual noises, stop and re-check the installation, or consult a tech for a quick adjustment.
Summary
For a 2013 GMC Sierra 2500HD, the typical wiper blade pairing is a 24-inch driver-side blade and a 20-inch passenger-side blade. Always verify by consulting the owner's manual or measuring the current blades, especially if your truck has an unusual cab configuration. When replacing, consider reputable brands and replace in matched pairs for best performance and visibility.