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Description
Bosch Aerotwin Retro Flat Wiper Blade AR 21 U for ACURA MDX - 3397008536Vehicle Fitment & Part Details Bosch Aerotwin Retro Flat Wiper Blade AR 21 U is a Bosch windscreen wiper blade for supplied vehicle applications. Key supplied details include Aerotwin Retro; Flat Wiper Blade; Front, Driver side, Passenger Side; 530 mm; AR 21 U. Match the supplied vehicle and reference details before ordering. Key Details SKU 3397008536 Component Windscreen wiper blade Position Front, Driver side, Passenger Side Configuration Single
Vehicle Fitment & Part Details
Bosch Aerotwin Retro Flat Wiper Blade AR 21 U is a Bosch windscreen wiper blade for supplied vehicle applications. Key supplied details include Aerotwin Retro; Flat Wiper Blade; Front, Driver side, Passenger Side; 530 mm; AR 21 U. Match the supplied vehicle and reference details before ordering.
Key Details
- SKU
- 3397008536
- Component
- Windscreen wiper blade
- Position
- Front, Driver side, Passenger Side
- Configuration
- Single wiper blade
- Brand
- Bosch
- Part MPN
- 3 397 008 536
- GTIN
- 4047024328341
- Reference Numbers
- CHAMPION: RXU53; DENSO: DU053L, DU053R; SWF: 119 853; VALEO: 567984, VM149, UM661, HU21
- Primary Fitment
- ACURA MDX, ALFA ROMEO 166, AUDI 80
- Included
- 1 wiper blade
- Specs
- Aerotwin Retro; Flat Wiper Blade; Front, Driver side, Passenger Side; 530 mm; AR 21 U
Listing Highlights
- Bosch Aerotwin Retro range product for supplied catalogue applications.
- Designed for product identification and compatibility checking against the original blade.
- Flat Wiper Blade configuration from supplied Bosch catalogue data.
- Trade number AR 21 U for catalogue cross-checking.
Product Specifications
| Range / Model | Aerotwin Retro |
|---|---|
| Blade Type | Flat Wiper Blade |
| Fitting Position | Front, Driver side, Passenger Side |
| Length 1 | 530 mm |
| Trade Number | AR 21 U |
Vehicle Fitment
This Bosch wiper blade is listed against 80 supplied vehicle application entries, including ACURA MDX, ALFA ROMEO 166, AUDI 80, AUDI 100, AUDI A3, AUDI A4, AUDI A6, AUDI ALLROAD. Use the supplied fitment list below to confirm model, year, chassis and blade position before ordering.
View Full Vehicle Fitment (80 applications)
- ACURA MDX
- ALFA ROMEO 166
- AUDI 80
- AUDI 100
- AUDI A3
- AUDI A4
- AUDI A6
- AUDI ALLROAD
- AUDI CABRIOLET
- AUDI COUPE
- AUDI V8
- BMW 3
- BMW X5
- CADILLAC CTS
- CADILLAC ESCALADE
- CADILLAC SRX
- CHEVROLET AVALANCHE
- CHEVROLET CAMARO
- CHEVROLET CORVETTE
- CHEVROLET LUMINA
- CHEVROLET SILVERADO
- CHEVROLET SUBURBAN
- CHEVROLET TAHOE
- CHEVROLET TRAILBLAZER
- CHRYSLER NEON
- CHRYSLER PT CRUISER
- CHRYSLER SEBRING
- CHRYSLER STRATUS
- CITROEN BERLINGO
- CITROEN C-crosser
- CITROEN C3
- CITROEN C4
- CITROEN JUMPER
- CITROEN XM
- DAEWOO MATIZ
- DAIHATSU GRAN
- DAIHATSU TERIOS
- DODGE AVENGER
- DODGE DURANGO
- DODGE NEON
- DODGE STRATUS
- FIAT DOBLO
- FIAT DUCATO
- FIAT FULLBACK
- FIAT MULTIPLA
- FIAT PUNTO
- FIAT STILO
- FORD MAVERICK
- FORD MONDEO
- FORD TRANSIT
- HONDA ACCORD
- HONDA CIVIC
- HONDA Cr-v
- HONDA JAZZ
- HONDA LEGEND
- HONDA PILOT
- HONDA PRELUDE
- HYUNDAI ACCENT
- HYUNDAI COUPE
- HYUNDAI ELANTRA
- INFINITI G
- INFINITI QX4
- INFINITI QX56
- ISUZU D-max
- JAGUAR S-type
- JAGUAR XK
- JEEP CHEROKEE
- JEEP GRAND CHEROKEE
- JEEP PATRIOT
- KIA CLARUS
- KIA JOICE
- KIA K2500
- KIA K2700
- KIA K2900
- KIA PREGIO
- KIA RIO
- KIA SEPHIA
- KIA SHUMA
- LAND ROVER DISCOVERY
- LAND ROVER RANGE ROVER
OE and Cross Reference Numbers
CHAMPION: RXU53; DENSO: DU053L, DU053R; SWF: 119 853; VALEO: 567984, VM149, UM661, HU21
Need to confirm your Bosch wiper blade size?
Use the Bosch online wiper blade finder to check the correct blade range and size for your vehicle before ordering.
Compatibility Verification Notes
- Confirm compatibility using VIN, engine code, chassis / platform, OE reference and original part comparison before ordering.
- Match the supplied fitment details to your vehicle, including model, year range and any listed blade position information.
- Wiper blade fitment may vary by production date, market, import history and arm type.
- This listing is for part identification and compatibility checking only. Installation must be carried out according to the vehicle manufacturer's service information by a suitably qualified person.
Common Questions
How do I confirm this Bosch wiper blade is correct?
Compare the supplied Bosch part number, trade number, blade length, position and vehicle fitment data with your current wiper blade or vehicle catalogue information.
Are reference numbers included?
Yes. Supplied OE and cross reference numbers are shown above where available.
Is this listing for one blade or a kit?
This listing is supplied as a single wiper blade unless the product data above states otherwise.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 2096 reviews
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Product Reviews
★★★★★ 5
Literally perfect and exactly what I needed!
Color: Cool Grey, Size: 24x24x12 inch
I can't recommend this enough! It was exactly what i was looking for! I have an annoying habit of researching everything for months before I purchase something that will get used this often. I finally decided on this one and I was very pleasantly surprised. I needed a wedge pillow to put at my back while sitting in bed. Mostly for when I'm working on my laptop. This one was the perfect height and perfect fit for me.I'm a female that is 5'4 and weigh about 117pds. I wanted something firm enough to support my back, and this most certainly does! It had a very pleasant appearance with the light gray sides. It has a removable cover I can take off and wash when needed. It's portable enough to move from room to room, also works great on my couch and it has amazing versatility. It can also be used as a pillow for someone that might need to sleep at a slight incline. It also works if you need to prop your legs up.
It came vacuum packed. Once opened It said to let is sit for at least 24-48 hrs to give it time to properly inflate. For me, It plumped right up immediately! Again, from someone that does her research, if your looking for something like this at a reasonable price, this is it!
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Reviewed in the United States on May 10, 2026
★★★★★ 5
It was worth every cent
Color: Cool Grey, Size: 24x24x12 inch
I have BPPV. It's a condition where tiny ear crystals come out of place and move within your ear canals - this fools your brain into thinking you're in motion, causing severe dizziness. The most common treatment is the Epley Maneuver, and that actually helps a lot. However, I was going through a period where every single day I'd wake up with severe dizziness. Even if I managed to do the Epley Maneuver and it worked, the entire rest of the day would be ruined because I'd still feel generally unwell and nauseous. I ended up getting a book about BPPV and the author strongly recommended sleeping at at least a 30 degree angle. So, that's why I ended up buying this wedge pillow...
I started using it April 26 and today is May 17. Since I began using it as a pillow, I have not woke up dizzy again. That is so huge! It may be that sleeping at a 30 degree angle deserves 5 Stars but thought I'd give this pillow 5 Stars too, as it's been a great experience. If you suffer from this, here's how the angle should be...If you lay your head on a pillow and open your eyes, you should not be looking at the ceiling. With the right angle, you should be looking at where the wall meets the ceiling. If so, you know you're at the right angle.
As far as pillow itself, I'd say the pillow case fabric is of average quality. Not really remarkable in any way. It seems decent. Good value for the price. The inside is firm (which is just what I needed) but comfortable, and I tend to not move around much the entire night. I like this very much and if it does start wearing out, I'll definitely come back here and buy another. Would recommend.
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Reviewed in the United States on May 17, 2023
★★★★★ 4
A bit too firm but great otherwise
Color: Cool Grey, Size: 24x24x12 inch
I got this wedge pillow primarily to have something to lean my head against (I like to lay on my side when reading or looking at my phone at night sometimes), or to sit upright when reading in bed. It's very comfortable doing both now. It does a really good job at being a nice support for the back of my bed. Only negative is I feel it's too firm. I wouldn't use it as a primary pillow, but it's definitely good for back support at least.
While I won't mark it down for this, I do find it very large. If you have anything smaller then a queen it may take up more of your bed then you'd like.
Definitely recommend. Hopefully will last quite a long while as well.
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Reviewed in the United States on April 11, 2025
★★★★★ 5
So helpful after surgery.
Color: Solid Warm Gray, Size: 24x24x12 inch
Perfect support while recording from abdominal surgery. This pillow maintains its shape and is not overly soft. I used it vertically as a prop for watching television and then used it horizontally to prop myself up to sleep, once I returned to sleeping in bed. I used this daily for 6 weeks or so following surgery. The cover can be removed and machine washed. The non-slip nubbies are helpful. This pilllow is high quality and really helped to minimize pain and improve my sleep after surgery.
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Reviewed in the United States on February 4, 2026
★★★★★ 3
Nice wedge pillow but not enough...
Color: Cool Grey, Size: 24x24x12 inch
It came compacted and when I opened it expanded almost immediately, maybe took like 20 minutes to fully decompress. Its soft and comfortable and the cover is really nice. But it does have a strong chemical smell, which is normal for this kind of brand new memory foam, I just put it on a table with a window open near it and after maybe 24 hours the smell was almost completely gone.
The problem is that I bought this to have a elevated position when sleeping but the 30° are just not enough for me. I wish it was at least 45° but I could not find any pillow with that amount of degree... it's either 30° or like 75° in the other position. At the base of the pillow there is a little ridge that is comfortable for the lower back but makes me slide down in the middle of the night so I end up almost laying flat with my neck on the base ridge. With my slim build my lumbar area gets some nice support but makes my head almost have a "fall backwards" sensation, I like having my neck have a "push-forward" position with my pillow, but when adding another pillow to try and get to a comfortable position it only makes me slide down even more... :/
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Reviewed in the United States on November 6, 2024
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