Brand | BOSCH |
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Vehicle Service Type | Car |
Item Length | 21 Inches |
Mounting Type | Hook |
Manufacturer | BOSCH |
Model | 4821 |
Item Weight | 5.6 ounces |
Country of Origin | China |
Item model number | 4821 |
Is Discontinued By Manufacturer | No |
Exterior | Machined |
Manufacturer Part Number | 4821 |
OEM Part Number | 4821 |
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76% positive over last 12 months
BOSCH 4821 Evolution Beam Wiper Blade; 21" - Single
Purchase options and add-ons
Brand | BOSCH |
Vehicle Service Type | Car |
Item Length | 21 Inches |
Mounting Type | Hook |
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About this item
- Symmetrical wind spoiler uses air flow to increase blade-to-windshield contact and shields tension springs from all weather elements for exceptional performance in even the worst weather
- Patented bracketless design better resists ice and snow build-up for better performance and visibility in all weather
- Precision-tensioned dual steel springs create tension memory, applying uniform pressure along the entire blade length for crystal-clear visibility
- Precision-cut, specially blended rubber wiping edge removes even the smallest droplets for clear visibility and safer driving
- Double locking connector offers quick, easy, and secure installation on many popular wiper arm types: Hook, Pin, Side Lock, 16mm Narrow Top Lock, 19mm Large Top Lock, Pinch Tab
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This Item BOSCH 4821 Evolution Beam Wiper Blade; 21" - Single | Recommendations | dummy | dummy | dummy | dummy | |
Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | |
Price | -39% $15.94$15.94 List: $25.99 | $16.00$16.00 | $52.65$52.65 | $15.33$15.33 | $16.00$16.00 | -8% $16.57$16.57 List: $17.99 |
Delivery | Get it as soon as Monday, Apr 1 | — | Get it Apr 4 - 5 | — | — | Get it as soon as Monday, Apr 1 |
Customer Ratings | ||||||
Easy to install | 4.4 | 4.6 | 4.7 | 4.4 | 4.2 | 4.2 |
Noise level | 4.2 | 4.5 | 4.6 | 4.2 | 4.3 | 4.2 |
Longevity | 3.9 | 4.1 | 4.7 | 3.9 | 4.0 | 3.6 |
Value for money | 3.9 | 4.1 | — | 3.9 | 3.9 | 4.0 |
Sold By | Amazon.com | DSR Auto Supply | Parts Universe | PARTS 4 SALES | Impart Auto Parts | Amazon.com |
compatible vehicles | Car | Car | Car | Car | Car | Car |
size | 4821 (21") | 4822 (22") | 21 Inches (Pack of 5) | 4819 (19") | 40713 (13") | Single |
auto part position | front | front | rear | front | unknown | outer |
seasons | All | All | All | All | All | All |
fit type | Vehicle Specific Fit | Vehicle Specific Fit | Vehicle Specific Fit | Vehicle Specific Fit | Vehicle Specific Fit | Vehicle Specific Fit |
material | Natural Rubber | Natural Rubber | Natural Rubber, Alloy Steel | Natural Rubber | Natural Rubber | Natural Rubber |
mounting type | Hook | Hook | Pinch Tab | Hook | Hook | Pinch Tab |
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From the brand
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Bosch Products Made For You
Bosch provides a complete range of equipment and spare parts – from new and exchange parts to repair solutions – for your car.
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We Are Here For Your Safety
From the manufacturer
Evolution Wiper Blades
The Bosch Evolution OE beam design brings you this new technology as an upgrade to the conventional wiper blades that may be on your current vehicle.
Easy installation and a quick, secure connection
Bosch Evolution double-locking connector fits all the most popular wiper arms.
Arm types covered:
- Hook arm (9x3mm)
- Hook arm (9x4mm)
- Small pin (4.8mm)
- Large pin (6.35mm)
- Side Lock (22mm)
- Top lock large (19mm)
- Pinch tab
- Valeo top lock
State-of-the-Art Beam Design for Superior Wiping Performance
Patented OE Beam Technology
Technology upgrade for vehicles with conventional wiper blades. No metal or plastic brackets, joints or hinges, for tip-to-tip performance.
- Smooth and quiet performance.
- Crystal clear visibility
- Superior performance over long service life.
- Consistent performance at highway speeds.
- All-season performance
ICON - Best Performance | Evolution - Excellent Performance | ClearAdvantage - High Quality Performance | MicroEdge | Rear | |
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Customer Reviews |
4.6 out of 5 stars
19,107
|
4.5 out of 5 stars
1,512
|
4.4 out of 5 stars
13,747
|
4.5 out of 5 stars
11,101
|
4.5 out of 5 stars
7,106
|
Exclusive FX Dual Rubber for up to 40% Longer Life | ✓ | ||||
Exclusive graphite-blended natural rubber for a consistent, clean and quiet wipe | ✓ | ✓ | |||
Blended natural rubber with graphite treatment for reduced friction and consistent wipe | ✓ | ✓ | ✓ | ||
Easy installation with original equipment-quality adapters | ✓ | ✓ | ✓ | ✓ | ✓ |
Patented beam design with shielded connector for optimum visibility | ✓ | ✓ | ✓ | ||
Exclusive tension spring arcing technology creates a custom-contoured fit | ✓ | ✓ | ✓ | ✓ | ✓ |
Asymmetrical spoiler for exceptional performance at high speed | ✓ | ✓ | ✓ | ||
Symmetrical wind spoiler for high-speed lift-off prevention | ✓ | ✓ | ✓ |
Product Description
Bracketless is the new shape of wiper blade technology. As the name implies, bracketless wiper blades, also known as beam or flat blades, are designed without the metal or plastic brackets, joints or hinges of conventional wiper blades, so snow and ice have nowhere to build up. Bosch Evolution Wiper Blades feature a patented beam technology that applies more uniform wiper arm pressure along the entire length of the blade for virtually streak-free wiping performance. The exclusive, blended rubber delivers clean, quiet performance and exceptional all-weather visibility. An aerodynamic, symmetrical wind spoiler holds the blade securely to the windshield for a consistently clear wipe. Versatile double locking connector offers quick, easy, and secure installation on many popular wiper arm types (Hook, Pin, Side Lock, 16mm Narrow Top Lock, 19mm Large Top Lock, Pinch Tab) – with no additional adapters required. Replace your conventional wiper blades with Bosch Evolution and see if you don't agree that bracketless is better.
Product information
Technical Details
Additional Information
ASIN | B0016ZU39Q |
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Customer Reviews |
4.5 out of 5 stars |
Best Sellers Rank | #6,985 in Automotive (See Top 100 in Automotive) #119 in Automotive Replacement Windshield Wiper Blades |
Date First Available | March 31, 2008 |
Warranty & Support
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the performance and ease of installation of the wiper blade. For example, they mention it performs almost flawlessly, is effective, and easy to install. Some appreciate the value, and appearance of the product. That said, opinions are mixed on quality, fit, noise, and streaking.
AI-generated from the text of customer reviews
Customers like the performance of the wiper blades. They mention that they perform almost flawlessly, effectively, and smoothly. Some say that the blades do a great job when new and are a good price. Some mention that the wipes work well in the rain and glide over bug residue.
"Wiper blade is very easy to install. The blade works very smoothly with no dragging or squealing. Very good product for a fair price." Read more
"...No streaking, no squeaking, very smooth and quiet leaving behind a crystal clear windshield. Should have put them on long ago." Read more
"Easy to install and works great on my 2006 Toyota Rav4" Read more
"...Seems to work smoothly as I would expect from Bosch. P.S. I've used Bosch wiper blades for many many years now. They are my preferred brand." Read more
Customers find the installation of the wiper blade to be easy. They mention that it's easy to put on and lock in place, attach to the wipes arms, and doesn't look bad on any car. Some say that the installation takes less than 2 minutes.
"Easy to install. Now clean well and no noise…." Read more
"Wiper blade is very easy to install. The blade works very smoothly with no dragging or squealing. Very good product for a fair price." Read more
"Super easy install and quality product, will definitely buy again (although hopefully not for a long time :)) Love the 'garage' feature on Amazon to..." Read more
"Very nice wiper blades. Fairly easy to install once you understand that with a regular hook type wiper arm you need to hold the arm way down to get..." Read more
Customers appreciate the value of the wiper blade. They say it's worth the higher price, it'll last longer than OEM blades, and it'd be a great option for bracketless wipers.
"...Very good product for a fair price." Read more
"Excellent price. Best deal around" Read more
"expensive but worth it" Read more
"It is the highest quality wiper blade made and a great price. Easy to install." Read more
Customers like the appearance of the wiper blade. They mention that it looks great, clever, and simple. Some appreciate the bracketless design, and say that it conforms to the shape of the window.
"Very nice wiper blades...." Read more
"...I installed these on my '06 Scion tC and loved the bracketless design. It looks great... clean... minimalistic. I give it an A+ for aesthetics...." Read more
"...However, they look sleek and I have no complaints about their wiping ability...." Read more
"...On the other hand, it is good looking and probably will do well on other models if it fits properly...." Read more
Customers are mixed about the quality of the wiper blade. Some mention that it looks great, clean, and minimalistic. It does the best job of wiping water away that they have ever seen. However, others say that they don't give a perfect wipe across the window, there's a little bit of streaking, and it only squeegees clean on the up-sweep.
"Easy to install. Now clean well and no noise…." Read more
"Super easy install and quality product, will definitely buy again (although hopefully not for a long time :)) Love the 'garage' feature on Amazon to..." Read more
"...of the blade (so right in the middle of your field-of-view), it only squeegees clean on the up-sweep... on the return, it leaves a gap about 2"..." Read more
"...fairly light showers to very heavy downpours these wiper blades are absolutely just great...." Read more
Customers are mixed about the fit of the wiper blade. Some mention that it fits perfectly and works well, while others say that it didn't fit. The attachment point is a little bigger than expected, and the blade didn' t make it too long.
"We have a j-hook wiper arm, and the new wipers were easy to fit on and lock." Read more
"...mechanism for side lock/P&H on the Bosch seems more flimsy and a sloppier fit than the Rain-X. If Bosch were available and not Rain-X, or were much..." Read more
"Easy install, fits perfectly and works well" Read more
"The Bosch 4843 26" brackets (choice of only two options) don't exactly fit the GM arms...." Read more
Customers are mixed about the noise of the wiper blade. Some mention that they clean well and make no noise, while others say that they chatter and make a ton of noise.
"Easy to install. Now clean well and no noise…." Read more
"...before putting these on, and the Rain-X blades chattered and made a ton of noise, even when it was raining fairly hard. It was super annoying...." Read more
"...The blade works very smoothly with no dragging or squealing. Very good product for a fair price." Read more
"...initially, but within a few to maybe six months it was skipping and squeaking, even in moderate rain...." Read more
Customers have mixed opinions about the streaking of the windshield wiper blade. Some mention that it has a better design than other wipers, while others say that it leaves a little bit of streaking. Some customers also say that the blade starts streaking after 3 rainy days.
"...don't give a perfect wipe across my window, there's a little bit of streaking which is why I only give it 4 stars, but nothing I would worry about..." Read more
"...No streaking, no squeaking, very smooth and quiet leaving behind a crystal clear windshield. Should have put them on long ago." Read more
"...One side got nicks in it that leave streaks almost right away, and the other side is already not wiping cleanly anymore...." Read more
"The blades leave a streak between the distance of the two blades. I've seen this on other posts. Probably return them...." Read more
Reviews with images
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Top reviews
Top reviews from the United States
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Follow up: After a full day of rain today from fairly light showers to very heavy downpours these wiper blades are absolutely just great. No streaking, no squeaking, very smooth and quiet leaving behind a crystal clear windshield. Should have put them on long ago.
Sure I got the right size and the wipers clicked into place, but apparently some of the models that BOSCH makes are not meant for every type of wiper pattern.
Some cars have that dual wiper that are like two pendulums, but for the Chevy Volt, the wipers start in the middle of the windshield and wipe outwards before returning back. This means you need a specific type of wiper that can wipe in 2 directions, not just one. And the Evolution is one such type.
Thus far the wipers have worked leagues better than the BOSCH ICONS I use to buy, and with far less noise or skipping. But I just started using them since winter really hit NYS, so I can't speak to their longevity quite yet.
Horrible... just put these on two cars (both use the 26" for the driver's side [09 Toyota Sienna, 13 Toyota Camry]). Works great on the up-sweep, but horrible on the return sweep. On both cars, right in the middle of the blade (so right in the middle of your field-of-view), it only squeegees clean on the up-sweep... on the return, it leaves a gap about 2" wide of water...
I had the Bosch ICON before, and they were great. I thought I did an Amazon subscription for those 7 months ago, but apparently not... so, I'll be cancelling that subscription now. With winter about to start, I foresee replacing these shortly.
Update: 19/DEC/2017
So the first storm I had to drive in with these was horrible. This photo doesn't show just how hard it was to see through the MIDDLE of the windshield while trying to drive... I had to keep running the washer fluid to get that patch wet otherwise salty road spray was drying an opaque grey as it evaporated.
I guess I got what I paid for with these... true waste of money with this model.
I just setup a new subscription for the ICONs I liked before--just hope I can make it through the next 5-weeks waiting for them...
Update: 10/FEB/2018
One last update on these: picture from 29/JAN... yes, it was a cold morning, but you can see in the animated GIF how these just didn't work in the middle... and that was just washer-fluid to get the water spots off... there are just horrible... Got my ICONs, put them on both cars the day before a snow and ice-storm: not a problem--perfect sweep every time... even at 15ºF...
Reviewed in the United States on November 10, 2017
Horrible... just put these on two cars (both use the 26" for the driver's side [09 Toyota Sienna, 13 Toyota Camry]). Works great on the up-sweep, but horrible on the return sweep. On both cars, right in the middle of the blade (so right in the middle of your field-of-view), it only squeegees clean on the up-sweep... on the return, it leaves a gap about 2" wide of water...
I had the Bosch ICON before, and they were great. I thought I did an Amazon subscription for those 7 months ago, but apparently not... so, I'll be cancelling that subscription now. With winter about to start, I foresee replacing these shortly.
Update: 19/DEC/2017
So the first storm I had to drive in with these was horrible. This photo doesn't show just how hard it was to see through the MIDDLE of the windshield while trying to drive... I had to keep running the washer fluid to get that patch wet otherwise salty road spray was drying an opaque grey as it evaporated.
I guess I got what I paid for with these... true waste of money with this model.
I just setup a new subscription for the ICONs I liked before--just hope I can make it through the next 5-weeks waiting for them...
Update: 10/FEB/2018
One last update on these: picture from 29/JAN... yes, it was a cold morning, but you can see in the animated GIF how these just didn't work in the middle... and that was just washer-fluid to get the water spots off... there are just horrible... Got my ICONs, put them on both cars the day before a snow and ice-storm: not a problem--perfect sweep every time... even at 15ºF...
Top reviews from other countries
Super happy so far.