Skip to content
ELRING KLINGER Crankcase Vent Valve - B21.010

ELRING KLINGER Crankcase Vent Valve B21.010

ELRING KLINGER
Availability:
5+ in stock, ready to be shipped

Ships same or next business day

SKU B21.010
$121.40 - $121.40
$121.40
$121.40 - $121.40
$121.40
CALIFORNIA WARNING

Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts.

Rewards
EARN REWARD POINTS
Purchasing this product will earn you 605 points to redeem on future purchases. Check your points.

ELRING KLINGER

Crankcase Vent Valve

This product also goes by these part numbers: 06E 103 547 P, 06E103547P, B21.010, B21010

This part also goes by the following cross reference.

Cross Reference Part Number: 06E103547P

Fits These Vehicles 44 applications
C7 A6
Make Model Engine Years
AUDI A6 C7 (4G2, 4GC) 2.8 FSI 2010–2015
AUDI A6 C7 (4G2, 4GC) 2.8 FSI quattro 2010–2015
AUDI A6 C7 Avant (4G5, 4GD) 2.8 FSI 2011–2015
AUDI A6 C7 Avant (4G5, 4GD) 2.8 FSI quattro 2011–2015
C7 A7
Make Model Engine Years
AUDI A7 Sportback (4GA, 4GF) 2.8 FSI quattro 2010–2015
AUDI A7 Sportback (4GA, 4GF) 2.8 FSI 2011–2015
C6 A6
Make Model Engine Years
AUDI A6 Allroad C6 (4FH) 3.2 FSI quattro 2006–2008
AUDI A6 C6 (4F2) 2.4 2004–2008
AUDI A6 C6 (4F2) 3.2 FSI 2004–2009
AUDI A6 C6 (4F2) 3.2 FSI quattro 2004–2008
AUDI A6 C6 (4F2) 2.4 quattro 2005–2008
AUDI A6 C6 (4F2) 2.8 FSI 2006–2008
AUDI A6 C6 (4F2) 3.2 FSI quattro 2006–2008
AUDI A6 C6 (4F2) 2.8 FSI quattro 2007–2008
AUDI A6 C6 (4F2) 2.8 FSI 2008–2011
AUDI A6 C6 (4F2) 2.8 FSI quattro 2008–2011
AUDI A6 C6 (4F2) 2.8 FSI quattro 2008–2011
AUDI A6 C6 (4F2) 2.8 FSI 2008–2011
AUDI A6 C6 (4F2) 3.2 FSI 2009–2011
AUDI A6 C6 Avant (4F5) 3.2 FSI quattro 2005–2008
AUDI A6 C6 Avant (4F5) 2.4 2005–2008
AUDI A6 C6 Avant (4F5) 2.4 quattro 2005–2008
AUDI A6 C6 Avant (4F5) 2.8 FSI 2006–2008
AUDI A6 C6 Avant (4F5) 2.8 FSI quattro 2007–2008
AUDI A6 C6 Avant (4F5) 2.8 FSI 2008–2011
AUDI A6 C6 Avant (4F5) 2.8 FSI 2008–2011
AUDI A6 C6 Avant (4F5) 2.8 FSI quattro 2008–2011
AUDI A6 C6 Avant (4F5) 2.8 FSI quattro 2008–2011
B8 A5
Make Model Engine Years
AUDI A5 (8T3) 3.2 FSI 2007–2012
AUDI A5 (8T3) 3.2 FSI quattro 2007–2012
AUDI A5 Convertible (8F7) 3.2 FSI 2009–2012
AUDI A5 Convertible (8F7) 3.2 FSI quattro 2009–2012
AUDI A5 Sportback (8TA) 3.2 FSI quattro 2009–2012
D3 A8
Make Model Engine Years
AUDI A8 D3 (4E2, 4E8) 3.2 FSI 2005–2010
AUDI A8 D3 (4E2, 4E8) 3.2 FSI quattro 2005–2010
AUDI A8 D3 (4E2, 4E8) 2.8 FSI 2007–2010
B8 A4
Make Model Engine Years
AUDI A4 B8 (8K2) 3.2 FSI quattro 2007–2012
AUDI A4 B8 (8K2) 3.2 FSI 2008–2012
AUDI A4 B8 Avant (8K5) 3.2 FSI quattro 2008–2012
AUDI A4 B8 Avant (8K5) 3.2 FSI 2008–2012
8R Q5
Make Model Engine Years
AUDI Q5 (8RB) 3.2 FSI quattro 2008–2012
AUDI Q5 Van (8RB) 3.2 FSI quattro 2008–2012
A4
Make Model Engine Years
AUDI A4 B7 Convertible (8HE) 3.2 FSI 2006–2009
AUDI A4 B7 Convertible (8HE) 3.2 FSI quattro 2006–2009

Fitment data last updated: 2026-04-28

Fits 44 vehicle applications Check vehicle fitment before ordering View fitment

About this Crankcase Ventilation (PCV)

The ELRING KLINGER B21.010 is part of the crankcase ventilation (PCV) system, which routes gases that escape past the pistons back into the intake to be burned, and separates oil out of them. When the system fails, crankcase pressure and oil consumption can rise quickly.

Frequently asked questions

What does the crankcase ventilation system do?

It relieves pressure inside the engine by drawing blow-by gases back into the intake, while an oil separator or valve keeps oil out of the intake. Correct crankcase pressure protects seals and gaskets.

What are the signs of a failed PCV valve or oil separator?

A whistling or howling noise at idle, rough idle, lean-running fault codes, higher oil consumption, oil leaks from seals, blue smoke, or suction at the oil filler cap strong enough to hold the cap down.

What should I replace along with it?

Crankcase vent hoses become brittle with heat and age, so inspect and replace cracked hoses and fittings at the same time. On many European engines, the valve cover and separator are serviced together.

Can I replace PCV components myself?

Many parts are accessible with basic tools, though some separators sit under the intake manifold. Handle old plastic fittings carefully, as they can break during removal.

How do I make sure this crankcase ventilation part fits my car?

Compare the part numbers listed on this page with the number on your old part or in your vehicle's parts catalog, and check the fitment information. If you are unsure, contact us with your VIN before ordering.

Euromotiv is an independent retailer of OEM, Genuine, and aftermarket automotive parts. We are not affiliated with, endorsed by, or authorized by Audi AG, Volkswagen AG, BMW AG, Mercedes-Benz Group AG, Dr. Ing. h.c. F. Porsche AG, MINI, or any other vehicle manufacturer. All trademarks, logos, and brand names are the property of their respective owners and are used solely for identification and compatibility purposes.