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BOSCH 4840 Evolution Beam Wiper Blade; 21" - Single

4.5 4.5 out of 5 stars 3,859 ratings

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Purchase options and add-ons

Brand Bosch Automotive
Vehicle Service Type Car
Item Length 21 Inches
Mounting Type Top Lock
Auto Part Position
Rear
Material
Natural Rubber
Fit Type
Vehicle Specific Fit
Seasons
All

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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$15.61
Get it as soon as Sunday, Mar 24
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BOSCH 4840 Evolution Beam Wiper Blade; 21" - Single
BOSCH 4840 Evolution Beam Wiper Blade; 21" - Single
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Price$15.61$15.33-38% $16.15
List:$25.99
$13.47-16% $30.90
List:$36.99
-8% $16.57
List:$17.99
Delivery
Get it as soon as Sunday, Mar 24
Get it as soon as Sunday, Mar 24
Get it as soon as Sunday, Mar 24
Get it as soon as Sunday, Mar 24
Customer Ratings
Easy to install
4.4
4.4
4.6
4.1
4.2
4.2
Noise level
4.2
4.2
4.5
4.0
4.2
4.2
Value for money
3.9
3.9
4.1
4.0
4.0
4.0
Longevity
3.9
3.9
4.1
3.8
3.6
3.6
Sheerness
4.0
4.0
4.0
Sold By
Amazon.com
PARTS 4 SALES
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Myers Tire Supply
Amazon.com
Amazon.com
compatible vehicles
Car
Car
Car
Car
Car
Car
size
4840 (21")
4819 (19")
4822 (22")
28CA (28")
Pack of 2
Single
auto part position
rear
front
front
front
front
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

From the brand


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
micro rear
ICON - Best Performance Evolution - Excellent Performance ClearAdvantage - High Quality Performance MicroEdge Rear
Customer Reviews
4.6 out of 5 stars
19,086
4.5 out of 5 stars
1,509
4.4 out of 5 stars
13,715
4.5 out of 5 stars
11,082
4.5 out of 5 stars
7,077
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

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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What's in the box

  • wiper blade
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    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    3,859 global ratings

    Customers say

    Customers like the performance, ease of installation, and quality of the wiper blade. They mention that they perform almost flawlessly, look more simple and nice than the older design OEM ones, and are the highest quality wipers made. They also like the value. That said, some differ on durability, fit, noise, and cleanability.

    AI-generated from the text of customer reviews

    387 customers mention289 positive98 negative

    Customers like the quality of the wiper blades. They say that they have a very clean sweep, are quiet, and are some of the finest wipers they have used. Some say that the rubber seems good quality. Overall, most are happy with the quality and performance of the product.

    "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

    "...fairly light showers to very heavy downpours these wiper blades are absolutely just great...." Read more

    "Great windshield wiper. The only problem and irritation to me is that the wiper slightly wobbles when it is wiping the window...." Read more

    "...Works great on the up-sweep, but horrible on the return sweep...." Read more

    376 customers mention312 positive64 negative

    Customers like the performance of the wiper blade. They say that it performs almost flawlessly, has no issues, and is very good. Some customers also mention that they are the most efficient blades ever.

    "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

    "Easy to install and works great on my 2006 Toyota Rav4" Read more

    "...No more squeaking and streaking. No complaints at all." 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

    249 customers mention231 positive18 negative

    Customers find the installation process of the wiper blade to be easy. They mention that the wipes arms are easy to install and don't look bad on any car. They also appreciate the simple design and the fact that they look better than older OEM wipers.

    "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

    "Easy to install and works great on my 2006 Toyota Rav4" 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

    239 customers mention167 positive72 negative

    Customers have mixed opinions about the cleanability of the wiper blade. Some mention that it makes no noise and wipes beautifully, leaving no streaks. However, others say that it is only average at wiping, leaves streaks almost right away, and would get clogged up with the rain-x product.

    "...No streaking, no squeaking, very smooth and quiet leaving behind a crystal clear windshield. Should have put them on long ago." Read more

    "Makes no noise and wipes beautifully." 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

    "Fit my 2015 Silverado just fine and clean the windshield great" Read more

    160 customers mention133 positive27 negative

    Customers like the value of the wiper blade. They mention that it is a modestly-priced option for bracketless wipers, and is very worth it.

    "...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

    194 customers mention97 positive97 negative

    Customers are mixed about the fit of the wiper blade. Some mention that it fits perfectly, while others say that it does not fit their vehicle. The installation process is easy, and the wipes are easy to fit on and lock. However, some customers say that the attachment point is a little bigger than expected, and that the wipe is about a half inch shorter than advertised.

    "We have a j-hook wiper arm, and the new wipers were easy to fit on and lock." Read more

    "...say about these blades (and hence the 4 star rating): these are really wide blades and can be quite distracting when running at medium-high speed...." Read more

    "Easy install, fits perfectly and works well" 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

    188 customers mention105 positive83 negative

    Customers are mixed about the noise of the wiper blade. Some mention that it makes an awful noise half the time when cleaning dry windshield, while others say that they chatter horribly. Some customers say that the wipes started to squeak and chatter after 8 months.

    "...The blade works very smoothly with no dragging or squealing. Very good product for a fair price." 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

    "...No streaking, no squeaking, very smooth and quiet leaving behind a crystal clear windshield. Should have put them on long ago." Read more

    "...initially, but within a few to maybe six months it was skipping and squeaking, even in moderate rain...." Read more

    145 customers mention72 positive73 negative

    Customers are mixed about the durability of the wiper blade. Some mention that they perform well, have held up pretty good, and are still in good condition, while others say that this lack of durability would be terrible for even the cheapest, no-name wipers. The bracket on this broke within a month, and some customers note that due to where they live, wiper don't last very long. The factory mechanism isn't strong enough to push it down, and all three went bad at the same time.

    "...These seem much better constructed. So far, it does a great job of wiping the rain off my windshield...." Read more

    "...I’m not sure if it’s that the wiper itself is flimsy or the connection to the wiper arm is not precise...." Read more

    "...They perform well, have held up pretty good and are still in good condition as of this review (no tearing, cracks, or deterioration)...." Read more

    "...Still spent 2-3x as much as usually do, and they didn't even last a year. They streak terrible and have constant issues...." Read more

    Right fit for BMW 330i (2019-2023)
    5 Stars
    Right fit for BMW 330i (2019-2023)
    This product is super easy to install on BMW 330i (model G20). Works well.
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    Top reviews from the United States

    Reviewed in the United States on March 10, 2024
    Size: 4826 (26")Verified Purchase
    Reviewed in the United States on February 12, 2024
    Size: 4826 (26")Verified Purchase
    Reviewed in the United States on March 9, 2024
    Size: 4817 (17")Verified Purchase
    Reviewed in the United States on November 20, 2023
    Size: 4817 (17")Verified Purchase
    One person found this helpful
    Report
    Reviewed in the United States on March 1, 2024
    Size: 4841 (22")Verified Purchase
    Reviewed in the United States on January 28, 2024
    Size: 4844 (28")Verified Purchase
    Reviewed in the United States on February 1, 2024
    Size: 4841 (22")Verified Purchase
    Reviewed in the United States on November 10, 2017
    Size: 4826 (26")Verified Purchase
    Customer image
    1.0 out of 5 stars Lifts up on return sweep in the middle leaving a wide band of wet windshield
    Reviewed in the United States on November 10, 2017
    Original: 10/NOV/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...
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    4 people found this helpful
    Report

    Top reviews from other countries

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    Robert
    5.0 out of 5 stars Works great
    Reviewed in Canada on November 21, 2023
    Size: 4842 (24")Verified Purchase
    JD
    5.0 out of 5 stars easy to put and solid feel
    Reviewed in Canada on June 18, 2022
    Size: 4813 (13")Verified Purchase
    GUSTAVO
    4.0 out of 5 stars DURO 1 AÑO 3 MESES
    Reviewed in Mexico on September 29, 2023
    Size: 4817 (17")Verified Purchase
    T
    1.0 out of 5 stars Streak through the windshield
    Reviewed in Canada on August 10, 2019
    Size: 4815 (15")Verified Purchase
    Amazon Customer
    5.0 out of 5 stars qualité
    Reviewed in Canada on March 2, 2022
    Size: 4844 (28")Verified Purchase