Conventional blades
- Metal frame, the classic design
- Lowest cost, fine on flatter glass
In your sizes: 16" + 16"
Check price on Amazon1977–1986 Chevrolet K20 Suburban Wiper Blade Sizes
Your wiper sizes
Driver
16in
400 mm
Passenger
16in
400 mm
Side Pin (3/16") connector
Every Chevrolet K20 Suburban from 1977 to 1986 takes these sizes. Any year in this range uses the same wiper blades.
Blades for your Chevrolet K20 Suburban
Shop the 16" + 16" pair on AmazonAs an Amazon Associate we earn from qualifying purchases. This never changes the wiper sizes we show.
Best wiper blades for the 1977–1986 Chevrolet K20 Suburban
Three blade types, each in your sizes.
Beam blades
- One piece with no frame to ice up
- Hugs curved modern windshields
In your sizes: 16" + 16"
Check price on AmazonHybrid blades
- A frame under an aero shell
- Even pressure with a sleek profile
In your sizes: 16" + 16"
Check price on AmazonBlades in your sizes
Each button opens that blade in your length.
Beam blade
Bosch ICON
Beam blade
TRICO Ice
Conventional blade
Rain-X Weatherbeater
No photo yet
Type not stated
PIAA Super Silicone
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Compare these blades
All comparisons-
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Bosch ICON vs PIAA Super Silicone
14 owner posts name both
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vs
Bosch ICON vs Rain-X Weatherbeater
8 owner posts name both
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Bosch ICON vs TRICO Ice
4 owner posts name both
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vs
Bosch ICON vs Rain-X Latitude
48 owner posts name both
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Bosch ICON vs Bosch MicroEdge
17 owner posts name both
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vs
Bosch ICON vs Bosch FOCUS
16 owner posts name both
Model years covered
| Year | Driver | Passenger | Arm | Page |
|---|---|---|---|---|
| 1986 | 16" | 16" | Side Pin (3/16") | This page |
| 1985 | 16" | 16" | Side Pin (3/16") | This page |
| 1984 | 16" | 16" | Side Pin (3/16") | This page |
| 1983 | 16" | 16" | Side Pin (3/16") | This page |
| 1982 | 16" | 16" | Side Pin (3/16") | This page |
| 1981 | 16" | 16" | Side Pin (3/16") | This page |
| 1980 | 16" | 16" | Side Pin (3/16") | This page |
| 1979 | 16" | 16" | Side Pin (3/16") | This page |
| 1978 | 16" | 16" | Side Pin (3/16") | This page |
| 1977 | 16" | 16" | Side Pin (3/16") | This page |
Good to know
Check against your old blades
Measure the rubber strip from end to end. It should match 16".
About this data
Fit data confirmed by 2 independent sources. Model years that share identical blades are grouped on one page.
How to fit your new blades
Step-by-step fitting for this arm type is on its way. The adapter chart inside the blade's box shows which adapter to use.
1977–1986 Chevrolet K20 Suburban wiper FAQ
Quick answers about this car.
What size wipers fit a 1977–1986 Chevrolet K20 Suburban?
The 1977–1986 Chevrolet K20 Suburban takes 16" driver-side and 16" passenger-side wiper blades. The arm uses a Side Pin (3/16") connector.
Do all 1977–1986 Chevrolet K20 Suburban model years use the same wipers?
Yes. Every Chevrolet K20 Suburban from 1977 to 1986 shares the same blade lengths and arm type. If a blade fits one of these years, it fits them all.
What connector does the Chevrolet K20 Suburban wiper arm use?
Side Pin (3/16"). Most replacement blades include an adapter for it, so check the adapter chart in the package.
Can I use a wiper blade one size longer or shorter?
Stick with the listed sizes. A longer blade can hit the windshield frame or the other blade, while a shorter one leaves an unwiped gap. If your old blades don’t match our sizes, measure them end to end.
How often should I replace my wiper blades?
Most drivers change them every 6 to 12 months. Swap them sooner if they start to streak, chatter, or miss spots.