Skip to content
GENUINE VW/AUDI Coolant Expansion Tank 8K0-121-403 AC
GENUINE VW/AUDI Coolant Expansion Tank - 8K0-121-403 AC
GENUINE VW/AUDI Coolant Expansion Tank 8K0-121-403 AC
GENUINE VW/AUDI Coolant Expansion Tank - 8K0-121-403 AC

GENUINE VW/AUDI Coolant Expansion Tank 8K0-121-403 AC

GENUINE VW/AUDI
Availability:
in stock, ready to be shipped
SKU 8K0-121-403 AC
$95.59 - $95.59
$95.59
$95.59 - $95.59
$95.59
Rewards
EARN REWARD POINTS
Purchasing this product will earn you 475 points to redeem on future purchases. Check your points.

We show live inventory for in-stock items. Products may sell out due to high demand but are restocked regularly. Out-of-stock items can still be ordered and usually arrive within a few weeks.

GENUINE VW/AUDI

Coolant Expansion Tank

This product also goes by these part numbers: PAB121403, 8K0121403AC

This part also goes by the following cross reference.

Cross Reference Part Number: PAB121403, 8K0121403AC

Fits These Vehicles 6 applications
Audi
Make Model Engine Years
Audi A4 2009–2016
Audi A4 Quattro 2010–2016
Audi A5 2012–2014
Audi A5 Quattro 2012–2017
Audi allroad 2013–2016
Audi Q5 2.0L L4 2011–2017

Fitment data last updated: 2026-07-19

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.