Brand New Coolant Reservoir
Includes Low Fluid Sensor Built In
Includes New Pressure Cap
Compatible With 1998-2001 Audi A4 or A6 (Includes Quattro)
Compatible With 2003-2004 Audi RS6
Compatible With 2000-2002 Audi S4
Compatible With 1998-2005 Volkswagen Passat
Replaces 3B0121321, 8D0121403L
(Coolant Reservoir Fluid Overflow Bottle Housing Includes Level Sensor & Cap Compatible With 1998-2001 Audi A4 or A6 Includes Quattro 2003-2004 RS6 2000-2002 S4 (Replaces 3B0121321, 8D0121403L))
See Our Parts Catalog for Compatibility, Technical Details & Additional Images
Includes Low Fluid Sensor Built In
Includes New Pressure Cap
Compatible With 1998-2001 Audi A4 or A6 (Includes Quattro)
Compatible With 2003-2004 Audi RS6
Compatible With 2000-2002 Audi S4
Compatible With 1998-2005 Volkswagen Passat
Replaces 3B0121321, 8D0121403L
(Coolant Reservoir Fluid Overflow Bottle Housing Includes Level Sensor & Cap Compatible With 1998-2001 Audi A4 or A6 Includes Quattro 2003-2004 RS6 2000-2002 S4 (Replaces 3B0121321, 8D0121403L))
⚠️California Proposition 65 WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.