• Fuel Filter
  • Fuel Filter

Fuel Filter 5-Pin Connector, 3 Hose Connections (mixed installation, check original filter) Mann - WK 820/21

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$91.96
$91.96 $174.00
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Specifications

OEM Part Number

6420906452 / 642-090-64-52

MFG Part Number

WK82021 / WK 820/21

Manufacturer

Mann-Filter

Quality

OEM

MANN-FILTER WK 820/21 is a German-engineered fuel filter from MANN-FILTER, an established OE-quality filtration brand known for reliability and precision. This fuel filter delivers clean fuel to your engine by removing particulates and contaminants, protecting the fuel pump and injectors and helping maintain consistent fuel pressure. As an aftermarket/OE-style replacement, it upholds the brand’s engineering standards for dependable performance in diesel and gasoline systems alike.

Common symptoms of a failing fuel filter include reduced power, rough idling, hard starts, and engine hesitation as clogging impedes fuel flow. Replacing with WK 820/21 restores proper filtration and fuel delivery for select Mercedes-Benz applications, supporting long-term engine reliability.


Year Make Model Submodel Notes
2011 Mercedes-Benz E350 Bluetec Check the number on the original filter before buying. Mixed installation occurred from the factory.
2012 Mercedes-Benz E350 Bluetec Check the number on the original filter before buying. Mixed installation occurred from the factory.
2013 Mercedes-Benz E350 Bluetec Check the number on the original filter before buying. Mixed installation occurred from the factory.
2007 Mercedes-Benz GL320 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2008 Mercedes-Benz GL320 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2009 Mercedes-Benz GL320 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2010 Mercedes-Benz GL350 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2011 Mercedes-Benz GL350 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2012 Mercedes-Benz GL350 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2013 Mercedes-Benz GL350 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2014 Mercedes-Benz GL350 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2015 Mercedes-Benz GL350 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2016 Mercedes-Benz GL350 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2007 Mercedes-Benz ML320 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2008 Mercedes-Benz ML320 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2009 Mercedes-Benz ML320 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2010 Mercedes-Benz ML350 Bluetec 4Matic Check the number on the original filter before buying. Mixed installation occurred from the factory.
2011 Mercedes-Benz ML350 Bluetec 4Matic Check the number on the original filter before buying. Mixed installation occurred from the factory.
2012 Mercedes-Benz ML350 Bluetec 4Matic Check the number on the original filter before buying. Mixed installation occurred from the factory.
2013 Mercedes-Benz ML350 Bluetec 4Matic Check the number on the original filter before buying. Mixed installation occurred from the factory.
2014 Mercedes-Benz ML350 Bluetec 4Matic Check the number on the original filter before buying. Mixed installation occurred from the factory.
2009 Mercedes-Benz R320 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2010 Mercedes-Benz R350 Bluetec 4Matic Check the number on the original filter before buying. Mixed installation occurred from the factory.
2011 Mercedes-Benz R350 Bluetec 4Matic Check the number on the original filter before buying. Mixed installation occurred from the factory.
2012 Mercedes-Benz R350 Bluetec 4Matic Check the number on the original filter before buying. Mixed installation occurred from the factory.
2012 Mercedes-Benz S350 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2013 Mercedes-Benz S350 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2010 Mercedes-Benz Sprinter 2500 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2011 Mercedes-Benz Sprinter 2500 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2012 Mercedes-Benz Sprinter 2500 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2013 Mercedes-Benz Sprinter 2500 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2014 Mercedes-Benz Sprinter 2500 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2015 Mercedes-Benz Sprinter 2500 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2016 Mercedes-Benz Sprinter 2500 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2017 Mercedes-Benz Sprinter 2500 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2018 Mercedes-Benz Sprinter 2500 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2010 Mercedes-Benz Sprinter 3500 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2011 Mercedes-Benz Sprinter 3500 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2012 Mercedes-Benz Sprinter 3500 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2013 Mercedes-Benz Sprinter 3500 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2014 Mercedes-Benz Sprinter 3500 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2015 Mercedes-Benz Sprinter 3500 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2016 Mercedes-Benz Sprinter 3500 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2017 Mercedes-Benz Sprinter 3500 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2018 Mercedes-Benz Sprinter 3500 Check the number on the original filter before buying. Mixed installation occurred from the factory.
2018 Mercedes-Benz Sprinter 3500XD Check the number on the original filter before buying. Mixed installation occurred from the factory.

Dimensions

Length: 4 in

Height: 5.1 in

Width: 4 in

Weight: 1 oz

California Prop 65 Warning

Prop 65 warrning applies: No.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Fuel Filter 5-Pin Connector, 3 Hose Connections (mixed installation, check original filter) Mann - WK 820/21

$91.96
Guaranteed Fitment

Get the right part for your exact vehicle the first time. Our fitment data is carefully verified to eliminate guesswork and prevent costly mistakes.

OEM-Quality Performance

Manufactured to meet or exceed factory specifications, ensuring long-lasting reliability, proper performance, and a perfect match to your original components.

Fast, Reliable Shipping

Orders are processed quickly and shipped from one of our nationwide warehouses so you can get your vehicle back on the road without unnecessary delays.

Does it come with a warranty?

Yes, our parts are backed by a 2-year warranty covering defects in materials and workmanship, giving you peace of mind with every purchase.

What if I need to return it?

We’ve got you covered. Enjoy 90-day returns with no restocking fees—just send the part back in its original condition for a hassle-free refund or exchange.

How long will it take to get it?

We ship from multiple East and West Coast warehouses and automatically select the location closest to you for faster delivery. Estimated delivery times are shown at checkout based on your address and selected shipping method.

Does it fit my vehicle?

We continuously review and update our catalog to maintain accurate fitment data. Every product page features a fitment table with vehicle-specific details and notes. If you’re unsure, feel free to contact our customer service team—we’re happy to help confirm compatibility.

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