Bosch AeroTwin wiper blades set — 25" & 25" pair, 22mm side-lock, beam design & dual rubber for quiet, consistent wipe

BOSCH AeroTwin 3397118948 is a pair of 25" beam-style wiper blades engineered to replace factory blades on vehicles that use a 22mm side-lock arm connection, delivering smoother, quieter clearing and consistent contact across the windshield.

These AeroTwin blades use Bosch’s bracket-free beam design and a dual rubber compound to wipe water and grime with minimal streaking. Built to match original-equipment fit for cars that require a 22mm side-lock connector, the set includes two 25-inch blades and a pre-assembled adapter for a fast, secure install. The design focuses on durable, uniform pressure and improved aerodynamics so the blade stays planted at higher speeds and in tougher weather.

How do these wipers improve visibility compared to conventional blades?

The AeroTwin replaces traditional hinged frames with a continuous beam that distributes pressure evenly along the rubber edge, reducing missed spots and chatter. A graphite-coated dual rubber compound helps lift and clear fine moisture while resisting wear for longer, more consistent performance.

• Bracket-free beam for even pressure across the entire blade length
• Dual rubber with graphite coating for streak reduction
• Precision-tensioned steel springs maintain blade-to-glass contact
• Asymmetrical wind spoiler improves contact at highway speeds

Will these fit my car and how easy are they to install?

These AeroTwin blades are made to fit vehicles that use a 22mm side-lock wiper arm; they are not universal. Bosch supplies a pre-assembled OE-style adapter so installation is straightforward on compatible arms, but always verify fitment for your specific make and model before purchase.

• Set includes two matching 25" blades for front fitment
• Pre-assembled OE-style adapter for side-lock 22mm arms
• Quick swap—no extra tools typically required for compatible connections
• Not compatible with other arm types; check vehicle fit checker

How durable are these blades in wind, rain, and winter conditions?

The AeroTwin’s aerodynamic spoiler and covered spring design keep the blade pressed to the glass and shield the internal springs from ice and debris. The combination of beam construction and quality rubber increases resistance to deformation and helps maintain performance across seasons.

• Asymmetrical spoiler uses airflow to hold the blade at speed
• Built-in protection for tension springs extends blade life
• Dual rubber compound resists cracking and reduces streaks
• Designed for consistent performance in varied weather

What should I expect from the feel and sound during operation?

Beam blades typically run quieter and with less vibration than framed designs because the continuous rubber edge glides smoothly across the glass. Users often notice reduced chatter and a more uniform sweep, especially after replacing older, worn wipers.

• Smoother wiping action with less chatter
• Graphite coating reduces friction and noise
• Even pressure minimizes skipping and uneven wear
• Quiet operation at city and highway speeds

Who is this for: Drivers who need a true OE-style replacement for vehicles with a 22mm side-lock wiper arm and who want improved, quieter wiping performance over conventional framed blades. Ideal for owners replacing both front blades with matched lengths (25" each) who prioritize clear windshield contact at speed and a straightforward, pre-adapted installation. Verify your vehicle’s arm connection before ordering to ensure correct fit.