Bosch® C3876WS - Workshop Carbon Cabin Air Filter

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Product Details

Bosch Repair Parts

Workshop Carbon Cabin Air Filter (C3876WS) by Bosch®. Activated Charcoal Filter. Height: 1.18". Width: 8.03". Keep the air inside your vehicle clean and fresh with an Activated Carbon Cabin Air Filter from Bosch. It offers an 80% efficiency rate down to 3 microns in capturing dirt, dust and other contaminants from entering the heating and air vents of your vehicle as well as prevents harmful and odorous gases from entering the cabin.


  • Captures 80% of dirt and other pollutants smaller than 3 microns from entering through the vehicle’s heating and air vents
  • Protects passengers in your vehicle against pollen, dust and dirt particles
  • Protects against particulates, diesel soot, and bacteria
  • Engineered for professional installers
  • Bosch engineered cabin air filters fit 90% of the cars on the road in North America today that come equipped with a cabin filter
  • 80% efficiency in capturing dirt, dust and other environmental contaminants
  • The best defense against microscopic particulates from entering the vehicle’s cabin

When you need to repair your climate control system you can battle the traffic and stand in line at the auto parts chain store, only to be told that what you need is out of stock and has to be ordered. And even if they have the parts can you be assured of the quality? Do you recognize the name on the box? And how do you know if you’re getting the best price?

Website carries only top name products from well-known OE and aftermarket suppliers. In online store you can find all the major A/C system components like compressors, condensers, evaporators, accumulators and receiver-driers, as well as the no less important small parts like pressure and temperature switches, seals, expansion valves and orifice tubes. Website is also your source for heating system parts like heater cores, blower motors, resistors and cabin filters. And unlike many other online vendors, website doesn’t just have the big items and let you scramble for the details. Website carries everything needed to complete the job, including antifreeze.

Bosch®, a premier global supplier of services and technology, is a privately held company headquartered in Germany. Its operations have been divided into four main business sectors that include automotive technology, industrial technology, energy and building technology, and consumer goods. Bosch products and services are designed to fascinate and improve the quality of life by offering innovative and beneficial solutions. The company offers technology worldwide that is “Invented for Life.”

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Warranty Information

Robert Bosch LLC warrants its products to be free from defects in material or workmanship for one year/ 12,000 miles, whichever comes first, in accordance with the following:

The warranty period commences the day the product is delivered to the original purchaser. Bosch warrants that it will repair or replace, free of charge, any product which, under normal conditions of use and service, proves to be defective in material or workmanship. This warranty, however, does not cover any labor costs incurred in diagnosis of defects, removal or reinstallation of a product, nor does it cover any other consequential expenses.

This warranty is limited to the original purchaser, i.e. is not transferable to subsequent owners of the product. Specifically excluded from this warranty are failures caused by misuse, negligence, modification, abuse, improper application, or operation, or failures caused by unauthorized service or use of unauthorized parts. Also excluded from this warranty are parts, which are subject to normal wear and tear, e.g. light bulbs, fuses and blade inserts, etc.

To the extent permitted by law, this warranty is in lieu of all other express and implied warranties, including the implied warranties of merchantability and fitness for a particular purpose. Bosch does not assume any responsibility for incidental or consequential damages. Also to the extent permitted by law, this warranty sets out your exclusive remedies with respect to the products covered by it.

Some states do not allow limitations on how long implied warranties last, or the exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you. This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

Vehicle Fitment

Audi A4
2009 Audi A4 Quattro
  • 2.0L / 3.2L
2008 Audi A4 / A4 Quattro
  • 2.0L / 3.2L
2007 Audi A4 / A4 Quattro
  • 2.0L / 3.2L
2006 Audi A4
  • 1.8L / 2.0L / 3.2L
2006 Audi A4 Quattro
  • 2.0L / 3.0L / 3.2L
2005 Audi A4 Quattro
2005 Audi A4
  • 1.8L / 2.0L / 3.0L
2004 Audi A4 / A4 Quattro
  • 1.8L / 3.0L
2003 Audi A4 / A4 Quattro
  • 1.8L / 3.0L
2002 Audi A4 / A4 Quattro
  • 1.8L / 3.0L
Audi A6
2005 Audi Allroad Quattro
  • 2.7L / 4.2L
2004 Audi A6 / A6 Quattro
  • 3.0L
2004 Audi A6 Quattro / Allroad Quattro
  • 2.7L / 4.2L
2003 Audi A6 / A6 Quattro
  • 3.0L
2003 Audi A6 Quattro / Allroad Quattro
  • 2.7L / 4.2L
2002 Audi A6 Quattro
  • 4.2L
2002 Audi A6 Quattro / Allroad Quattro
  • 2.7L
2002 Audi A6 / A6 Quattro
  • 3.0L
2001 Audi A6 Quattro
  • 4.2L
2001 Audi A6 Quattro / Allroad Quattro
  • 2.7L
2001 Audi A6 / A6 Quattro
  • 2.8L
Audi S4
2009 Audi S4
  • 4.2L
2008 Audi RS4 / S4
  • 4.2L
2007 Audi RS4 / S4
2006 Audi S4
2005 Audi S4
2004 Audi S4
Audi S6
2004 Audi RS6
2003 Audi RS6 / S6
2002 Audi S6

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It is neither inferred nor implied that any item sold by is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.