Product overview
Genuine OEM Audi Expansion Tank Cap, part number 8E0121321. This cap seals the coolant expansion tank, maintaining the correct system pressure essential for efficient engine cooling. The cap is blue and weighs 0.125 kg. Using a genuine OEM expansion tank cap ensures precise pressure regulation, proper sealing, and resistance to high temperatures and corrosive coolants, preventing leaks and engine overheating.
Technical details
- Category
- Engine Cooling
- Country of origin
- Germany
- Customs (HS) code
- 87089997
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 13 × 9.5 × 7.5 cm
- Shipping weight
- 0.13 kg
Parts diagram & fitment
11 vehiclesEnd Cap — locate 8E0121321 Audi Expansion Tank Cap | Engine Cooling OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly(18)
- 1Radiator 8E0121251A
- 1Radiator 8E0121251AQ
- 1Radiator 8E0121251C
- 1Radiator 8E0121251G
- 1Radiator 8E0121251M
- 1Radiator 8E0121251Q
- 1Radiator 8E0121251S
- 2Part 4B3121200
- 3Rubber Bush 4B3121275
- 4Rubber Bush 4B3121276A
- 9Seal Ring 1H0121687A
- 10Container 8E0121403
- 10Container 8E0121403A
- 10Container 8E0121403C
- 11Bolt N91090701
- 12Part 811807577C
- 19Cool Add G012A8FM8
- 19Cool Add G012A8FM1
Diagrams & fitment data powered by oemdiagrams.com
8E0121321 Audi Expansion Tank Cap | Engine Cooling OEM is fitted on: Audi A4/S4/Av./qu. 2001-2004; Audi A6/Wagon/quattro 2001-2004; Audi A4/S4 Cabrio./qu. 2002-2006; Audi A8/S8/qu. lang 2003-2007; AUDI A4/AV./QU. "CN"03>05 2003-2005; Audi A6/S6/Avant/qu. 05> 2004-; AUDI A6L "CN"05> 2005-; AUDI A4 "CN."06> 2005-; AUDI A6 QU.ALLROAD 07> 2006-; Audi A8/S8/qu. lang 08> 2007-; Audi A6 2.7 TDI 2008-2011.