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BOSCH 3397014621 AeroTwin Wiper Blades — Set of 2 (26" Driver / 20" Passenger)

Name: BOSCH 3397014621 AeroTwin Wiper Blades — Set of 2 (26" Driver / 20" Passenger)
Brand: globalsautoparts.com
Price: 36.47 USD
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$36.47 USD

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✔ BOSCH 3397014621 AeroTwin Wiper Blades — Set of 2 (26" Driver / 20" Passenger) — OEM Replacement
✔ Fitment: Top Lock 16mm connection — compatible with select European vehicles (Audi, BMW, Mercedes-Benz, VW, and more)
✔ Direct replacement for factory wiper blades — no modifications required
✔ Manufactured to OEM specifications for precise fitment and performance
✔ AeroTwin design — advanced beam blade technology for streak-free wiping
✔ Set of 2 — includes driver (26") and passenger (20") blades

BOSCH 3397014621 AeroTwin Wiper Blades — Set of 2 (26" & 20") — Top Lock 16mm

Streaking, skipping, chattering, or a squeaking noise during operation — these are common signs that your wiper blades need replacement. Worn or damaged wiper blades reduce visibility in rainy or snowy conditions, compromising safety. Replacing them with this high-quality BOSCH AeroTwin set ensures streak-free wiping, reliable performance, and clear visibility.

This is a premium OE-quality wiper blade set (BOSCH 3397014621 AeroTwin) featuring a driver‑side blade at 26 inches and a passenger‑side blade at 20 inches. The advanced beam blade design conforms perfectly to the curve of the windshield, providing even pressure distribution for a clean, streak‑free wipe. The set includes the correct Top Lock 16mm connection, making it a direct replacement for the factory blades. This is the same quality part used as original equipment by many automakers.

When to Replace

When to Replace (Common Symptoms)
• The wipers leave streaks or smears on the windshield
• The blades skip, chatter, or squeak during operation
• The rubber edge is cracked, torn, or worn
• The blades do not make full contact with the windshield
• Water remains on the windshield after a wipe
• The blades have been in service for the recommended interval (typically 6–12 months)

Product Details & Highlights

Product Highlights
• ✔ Premium OE‑quality wiper blade set — driver and passenger included
• ✔ AeroTwin beam blade technology — streak‑free performance
• ✔ 26" driver / 20" passenger — correct size for select European models
• ✔ Top Lock 16mm connection — direct replacement for factory blades
• ✔ Durable construction — resists cracking and wear
• ✔ Easy installation — clips on in seconds
• ✔ Backed by BOSCH’s manufacturer warranty

Package Contents

Package Contents
• 1 × 26" driver‑side wiper blade
• 1 × 20" passenger‑side wiper blade

FAQ

Is this an OEM replacement or an aftermarket part?
This is a premium OE‑quality replacement. BOSCH is a leading supplier of original equipment wiper blades to many automakers, so this set meets or exceeds OEM specifications.

Does this fit my 2010 BMW 3 Series?
Yes — the BMW 3 Series (E90) uses the Top Lock 16mm connection and 26"/20" blade set. We recommend verifying with your VIN.

Does this fit my 2012 Audi A5?
Yes — the Audi A5 uses this wiper blade set. Please verify with your VIN.

Does this fit my 2013 Mercedes-Benz C-Class?
Yes — the C-Class (W204) uses this set. Please verify with your VIN.

Does this fit my 2009 Volkswagen Golf?
Yes — the Golf Mk6 uses this set. Please verify with your VIN.

Can I use these blades on a different vehicle?
These blades are designed for vehicles with Top Lock 16mm connections. They are not compatible with hook‑style or other connector types.

How often should I change the wiper blades?
Wiper blades should be replaced every 6–12 months, or sooner if you notice streaking, skipping, or chattering.

Does this set come with an adapter?
No — this set includes the blades with the Top Lock 16mm connector built in. No adapters are required.

Is this the same set used on the Mercedes-Benz GLK?
Yes — the GLK uses the same wiper blade set. Please verify with your VIN.

What is the correct installation procedure?
Remove the old blades by releasing the locking mechanism, then snap the new blades onto the wiper arms until they click into place. Refer to your vehicle’s owner’s manual for the exact procedure.

Does this set come with a warranty?
Yes — this set is backed by BOSCH's manufacturer warranty. For claims, please contact the place of purchase.

Can I install these blades myself?
Yes — it is a simple DIY replacement. However, always ensure the blades are securely attached before use.

Does this set fit the 2007 BMW 5 Series?
No — the 2007 BMW 5 Series (E60) uses a different wiper arm connection. This set fits 2008 and newer models with Top Lock 16mm.

Does this set fit the 2011 Audi A3?
Yes — the A3 (8P) uses this set. Please verify with your VIN.

Does this set fit the 2015 Audi Q5?
Yes — the Q5 uses this set. Please verify with your VIN.

Is this set the same as the one used on the 2008 Audi A4?
Yes — the A4 (B8) uses this set. Please verify with your VIN.

Does this set fit the 2014 Mercedes-Benz E-Class?
Yes — the E-Class (W212) uses this set. Please verify with your VIN.

Does this set fit the 2012 Volkswagen Passat?
Yes — the Passat B7 uses this set. Please verify with your VIN.

View full details

BOSCH 3397014621 AeroTwin Wiper Blades — Set of 2 (26" Driver / 20" Passenger) — OEM Replacement

OEM Part Numbers
• 3 397 014 621 (BOSCH 3397014621)

Vehicle Fitment Table (OEM Compatibility)

Brand	Model	Years	Connector Type
Audi	A3 (8P / 8V)	2003–2016	Top Lock 16mm
Audi	A4 (B8)	2008–2015	Top Lock 16mm
Audi	A5	2008–2015	Top Lock 16mm
Audi	Q5	2008–2017	Top Lock 16mm
BMW	3 Series (E90 / E91)	2005–2011	Top Lock 16mm
BMW	5 Series (E60 / E61)	2003–2010	Top Lock 16mm
BMW	X5 (E70)	2007–2013	Top Lock 16mm
Mercedes-Benz	C-Class (W204)	2008–2014	Top Lock 16mm
Mercedes-Benz	GLK-Class (X204)	2008–2015	Top Lock 16mm
Mercedes-Benz	E-Class (W212)	2010–2016	Top Lock 16mm
Volkswagen	Passat B7	2010–2015	Top Lock 16mm
Volkswagen	Golf Mk6	2008–2012	Top Lock 16mm

⚠️ Important Fitment Notes:

• Always verify by VIN – This wiper blade set uses a Top Lock 16mm connection. Confirm that your vehicle uses this connector type before ordering.

• AeroTwin design – The advanced beam blade design provides even pressure across the entire blade length for a clean wipe.

• Driver & passenger set – This set includes one 26" blade for the driver side and one 20" blade for the passenger side.

• BOSCH quality – BOSCH is a leading global supplier of OE‑quality wiper blades. This set meets or exceeds OEM specifications.

• Double‑check your original part – Before ordering, confirm the part number printed on your old wiper blades or run your VIN through an OEM parts catalog for absolute certainty.

Condition
New

Product Type
Wiper Blade Set (AeroTwin beam blades, driver & passenger)

Function
The wiper blades clear rain, snow, and debris from the windshield, ensuring clear visibility for safe driving in all weather conditions. The AeroTwin beam design adapts to the windshield curve for optimal performance.

Applications
This wiper blade set fits select Audi, BMW, Mercedes-Benz, and Volkswagen models from approximately 2003 through 2017 with Top Lock 16mm connections.

Important: This set is designed for vehicles with Top Lock 16mm wiper arms. It is not compatible with other connector types. If in doubt, send us your VIN before ordering.

Technical Specifications

Parameter	Specification
Brand	BOSCH
Part Number	3397014621
OEM Reference	3 397 014 621
Type	AeroTwin beam wiper blade set
Driver Side Length	26" (650 mm)
Passenger Side Length	20" (500 mm)
Connector Type	Top Lock 16mm
Application	Windshield
Condition	New (factory original)

Warranty
BOSCH's manufacturer warranty applies. For claims, please contact the place of purchase or BOSCH's official distributor. Warranty terms may vary by region.