GM Parts Club
Most glass and wipers problems announce themselves well before they strand anybody. On a 2020-2025 Sierra 3500HD, these are the ones worth acting on.
1. Chattering or streaking that returns within a week of new blades
This is the symptom people put off longest and regret most. Start by looking at washer pumps.
2. A rain sensing system that triggers late or not at all
This one is usually early, which is good news, because it is cheap to fix early. Start by looking at wiper blades.
3. Wipers that park in the wrong position
It rarely gets better on its own, and it usually gets louder before it gets expensive. Start by looking at washer pumps.
4. A washer pump you can hear running with nothing coming out
This one is usually early, which is good news, because it is cheap to fix early. Start by looking at wiper transmissions.
What to Do Next
Blades every six to twelve months. In North Texas, summer heat kills blades faster than winter does.
Driver and passenger blades are frequently different lengths on the same vehicle.
If you are not sure which version fits your build, send us the VIN and we will confirm before anything ships. Shop our GMC OEM parts catalog or search for Sierra 3500HD wiper blades.
Where to Buy
- Genuine GMC OEM parts
- Wiper Blades
- Wiper Transmissions
- Wiper Motors
- Washer Pumps
- Wholesale account setup
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