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🚗 Clear vision, zero compromise—drive with Bosch Aerotwin confidence!
The Bosch Aerotwin AP 21 U is a premium 530mm front windscreen wiper blade engineered for professional-grade performance. Featuring patented Power Protection Plus rubber and Evodium steel spring strips, it delivers noiseless, streak-free wiping in all weather conditions. Its aerodynamic spoiler reduces wind resistance and noise, while modular adapters ensure quick, vehicle-specific installation. Trusted worldwide for durability and precision, this Bosch blade keeps your windshield crystal clear and your drive safe.








| ASIN | B00L7Z69RU |
| Auto Part Position | Front |
| Auto part position | Front |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | 7,949 in Automotive ( See Top 100 in Automotive ) 118 in Replacement Blades |
| Brand | Bosch |
| Brand Name | Bosch |
| Colour | Getaway Solids |
| Compatible with Vehicle Type | Car |
| Customer Reviews | 4.6 out of 5 stars 671 Reviews |
| Fit Type | Vehicle Specific Fit |
| Fit type | Vehicle Specific Fit |
| Global Trade Identification Number | 04047025127578 |
| Included Components | Bosch Scheibenwischer Aerotwin AP21U, Länge: 530mm – einzelner Scheibenwischer für Frontscheibe |
| Item Type Name | AEROTWIN PLUS FLAT BLADE 530 |
| Item Weight | 0.24 Pounds |
| Manufacturer | Bosch |
| Manufacturer Part Number | 3397006834 |
| Manufacturer Warranty Description | WARRANTY: Guarantee is 12 months from purchase date, proof of which will be required for any claim. |
| Material | High speed |
| Material Type | High speed |
| Model Number | AP21U |
| Mounting Type | Hook |
| Mounting type | Hook |
| OEM Equivalent Part Number | ALFA ROMEO 5901373, AUDI 191955427B, AUDI 1J0998003, AUDI 357955425 |
| Seasons | All |
| Unit Count | 1.0 count |
| Vehicle service type | Car |
M**K
Bosch quality as expected
Always use bosch aero twin and have never had any issues, sometimes hard to find the exactly correct oem replacements with the correct fitting but once that is worked out, easy peasy to fit
F**E
Easy to fit
Perfect easy to fit, no noise and clear screen
M**L
Quality and value
Same quality as car manufacturer fits but much cheaper.
J**C
Excellent
Great product. Easily installed and perfect fit for my 2017 Skoda Kodiaq.
G**L
Perfect for my BMW i3s
I got this replacement blade from amazon as it was cheaper than all the car websites online. It was delivered the next day and I spent 2 mins fitting to the car. This fitted on a BMW i3s but come with different attachments for other models. I would buy again from amazon
R**E
Great Price, Great Performance
Very good windscreen wipers, from the moment you open the box you can see these are a well made product. They come with 4 adaptors so they can be fitted on a wider range of cars. I installed these on an Audi TT and used the adaptor labelled "2" and worked a charm. Very easy to install as well, they just clip on and off. From initial tested, they are very quiet and do a good job of cleaning the windscreen. They are also half the price on Amazon compared to other online retailers which is a nice bonus. Highly recommend
F**E
Perfect fit
It fitted the car perfectly. Very easy to install and great instructions
P**L
The best wipers by far
After making a mistake by buying a different make of wiper blade, I'm back sharpish to using Bosch again. They're by far the best wipers out there. They function exactly how you need them to, with no noise, streaking or juddering. They can be funky to fit on some cars but that's down to the car makers and not Bosch.
新**ん
手頃な値段で買えました
外車のブレードは用品店でも探すのが大変です かと言ってディーラーで交換は高くて、、、 手頃な値段で購入できて満足です 性能も充分です
M**S
Bra
Funkar som den ska på min BMW i3
B**5
Excellent produit
Très bon produit, facilement adaptable sur ma Polo IV mais sans aucune doute sur tous les autres modèles de voiture vu que les différents adaptateurs sont fournis avec. Il suffit de prendre le bon en prenant en exemple celui déjà installé sur sa voiture. A voir son usure avec le temps, mais il remplie parfaitement son rôle pour l'instant. Attention toutefois si vous souhaitez l'utiliser côté passager. L'article étant préconisé pour le côté conducteur, il reste toutefois possible de l'utiliser côté passager pour que le passager puisse avoir une plus grande surface du pare-brise nettoyé mais cela dépendra certainement de la voiture. Pour en avoir le cœur net il faudrait inverser les balais gauche et droite actuellement installés sur votre véhicule pour voir s'il n'y a pas de problèmes.
M**.
Nice
Fits well in my z4 g29
J**E
LA CALIDAD ESPERADA
La entrega rápida y el producto perfecto, con los adaptadores necesarios y funciona a la perfección, limpia bien y no hace ruido. Recomendable y a un precio muy razonable.
Trustpilot
1 month ago
1 month ago