Bosch WBA Aerotwin AR20U – Precision Front Wiper for Clear Vision
The Bosch WBA Aerotwin AR20U is a high-quality single front wiper blade with a length of 500 mm. Using Aerotwin technology, it ensures even pressure distribution and streak-free wiping in all weather conditions.
500 mm length suitable for many common vehicle models
Aerotwin technology for optimal pressure distribution and quiet operation
Single blade – not a set, ideal for quick replacement
Easy installation thanks to pre-tensioned clip system for standard wiper arms
24 months manufacturer warranty for long-term investment security
What sets the Bosch WBA Aerotwin AR20U apart
Bosch's Aerotwin technology uses a double micro-edge made of natural rubber, providing streak-free wiping even at high speeds. The precisely shaped wiper lip reduces deposits and ensures a long service life. Unlike conventional wipers, the Aerotwin adapts perfectly to the curvature of the windshield.
Ideal for...
Drivers who value clear vision and want a fast, straightforward wiper replacement. Especially suitable for vehicles with a single front wiper blade measuring 500 mm – commonly found in small cars or older models.
How to use the Bosch WBA Aerotwin AR20U
Mounting is quick: remove the old wiper, clip the new Aerotwin onto the wiper arm until it clicks into place. Before driving, check the correct position and ensure the blade sits flat against the windshield. Regular cleaning of the wiper lip helps maintain wiping performance over time.
Bosch Automotive is a leading supplier of vehicle components and accessories. The brand stands for quality, reliability, and innovative technologies such as the Aerotwin wiper blades. With decades of experience in the automotive industry, Bosch products are trusted by manufacturers and workshops worldwide.
The Bosch WBA Aerotwin AR20U is a high-quality front wiper blade with a length of 500 mm. It belongs to the Aerotwin series and features even pressure distribution across the windshield.
It is suitable for vehicles with front wiper arms of 500 mm length and standard wiper adapters (hook, pin, side pin). Check compatibility with your vehicle manufacturer or the Bosch compatibility list.
The blade length is 500 mm (20 inches), measured from the blade to the end cap. This size is common for the driver side of many compact and subcompact cars.
A single wiper blade (without adapter) is supplied. It is equipped with a pre-tensioned clip system that fits most wiper arms directly.
Lift the wiper arm, press the release tab on the old wiper and slide it off. Attach the new Bosch Aerotwin to the wiper arm and push until it clicks. Test the position and contact pressure before driving.
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