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Genuine OEM & performance parts — ships to United States

Product overview

Genuine OEM Audi Coolant Tank, part number 8D0121403L. This reservoir is a vital part of the engine cooling system, designed to store excess engine coolant and allow for expansion and contraction. Constructed from durable translucent white plastic, it measures 0.305 m in length, 0.24 m in width, 0.14 m in height, and weighs 0.609 kg. This genuine OEM tank ensures proper fluid levels and pressure regulation, critical for maintaining optimal engine temperature and preventing overheating.

Technical details

Category
Engine Cooling
Country of origin
Italy
Customs (HS) code
87089997
Manufacturer
Audi
Product Type
Genuine new auto parts
Shipping size (L × W × H)
30.5 × 24 × 14 cm
Shipping weight
0.61 kg

Why buy from WW Spares?

  • ✓ Genuine OEM inventory sourced directly from factory networks
  • ✓ Fitment support from workshop-seasoned parts specialists
  • ✓ Global logistics with customs-ready documentation

Need help confirming compatibility? Talk to a specialist

Parts diagram & fitment

18 vehicles

Reservoir — locate 8D0121403L Audi Coolant Tank | Engine Cooling in the official exploded view and explore the surrounding assembly.

Parts in this assembly13
Compatible / alternative parts(2)
Vehicle fitment table18

Europe (14)

VehicleYearsPos.QtyRemarkPR
Audi RS6 qu.2003-2004101T09
PASSAT/4MOTION/W82002-2005101ALZ,AW
SUPERB 02>2001-101
PASSAT 00>2000-101
Audi A6 Allroad qu.2000-2005101T79
Passat/4Motion/W82000-2002101ALZ,AW
Audi A4/Avant1999-2001101AHL,ARM,A
Audi A4/Av.qu.1999-2001101ADR,AP
Passat syncro/4Motion1998-2000101ADR
Audi A6/Avant1997-2001101AGA,AJG,A
Audi A6/Av.qu.F4B-W->1997-2001101AGA,AJG
Passat1997-2000101ADP,ADR
Audi A4/Avant F8D-W->1997-1998101ADR,A
Audi A4/Av.qu.F8D-W->1997-1998101ALF

Other markets (2)

VehicleYearsPos.QtyRemarkPR
PASSAT LINGYU "CN."06>2005-101
AUDI A6L CHINA1999-2005101

Platform / generic diagrams (2)

VehicleYearsPos.QtyRemarkPR
3B0 platform10
3B0 platform101

Diagrams & fitment data powered by oemdiagrams.com

8D0121403L Audi Coolant Tank | Engine Cooling is fitted on: Audi RS6 qu. 2003-2004; PASSAT/4MOTION/W8 2002-2005; SUPERB 02> 2001-; PASSAT 00> 2000-; Audi A6 Allroad qu. 2000-2005; Passat/4Motion/W8 2000-2002; Audi A4/Avant 1999-2001; Audi A4/Av.qu. 1999-2001; Passat syncro/4Motion 1998-2000; Audi A6/Avant 1997-2001; Audi A6/Av.qu.F4B-W-> 1997-2001; Passat 1997-2000; Audi A4/Avant F8D-W-> 1997-1998; Audi A4/Av.qu.F8D-W-> 1997-1998; PASSAT LINGYU "CN."06> 2005-; AUDI A6L CHINA 1999-2005; 3B0 platform.