

🌧️ Glide through storms with Bosch Aerotwin – your windshield’s best ally!
The Bosch Aerotwin AP21U is a 530mm front wiper blade engineered for superior wiping performance in all weather conditions. Featuring Power Protection Plus technology, it offers an extended service life and operates silently on wet and semi-dry windscreens. Designed with OEM compatibility for brands like Audi and Alfa Romeo, this premium blade ensures reliable, streak-free visibility and durability.












| Manufacturer | Bosch |
| Brand | Bosch |
| Model | AP21U |
| Product Dimensions | 1.57 x 1.97 x 27.95 cm; 108.86 g |
| Item model number | AP21U |
| Manufacturer part number | 3397006834 |
| OEM Part Number | ALFA ROMEO 5901373, AUDI 191955427B, AUDI 1J0998003, AUDI 357955425 |
| Item Weight | 109 g |
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