Product overview
Genuine OEM Volkswagen Coolant Expansion Tank, part number 5WA121407F. This essential tank holds excess engine coolant, allowing for thermal expansion and contraction within the cooling system while maintaining proper pressure. It is typically located in the engine bay, connected to the radiator and engine coolant passages. Constructed from durable, translucent plastic, this tank weighs 0.512 kg and has a length of 0.22 meters. Using a genuine OEM expansion tank ensures correct material composition, pressure rating, and connection points, critical for the long-term reliability and safety of the vehicle's cooling system.
Technical details
- Category
- Engine Cooling
- Country of origin
- Germany
- Customs (HS) code
- 87089997
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 22 × 24 × 16 cm
- Shipping weight
- 0.51 kg
Parts diagram & fitment
26 vehiclesReservoir — locate 5WA121407F Volkswagen Coolant Expansion Tank | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly(21)
- 1Radiator 5WA121251H
- 2Seal 5Q0121345C
- 3Seal Strip 5Q0121331D
- 4Air Guide 5H0121283B
- 4Air Guide 5H0121283F
- 4Air Guide 5H0121283G
- 5Air Guide 5H0121284B
- 5Air Guide 5H0121284F
- 5Air Guide 5H0121284G
- 7Cover 2Q0121321A
- 8Seal Ring 1H0121687A
- 9Rubber Bush 5Q0121367G
- 10Bush 1K0121367F
- 11Bolt N90972201
- 12SealLeft5WA121331
- 13SealRight5WA121332
- 20CoolantRightG12E050A2
- 20CoolantRightG12E050A8
- 20CoolantRightG12E050A9
- 20CoolantRightG12E100A8
- 20CoolantRightG12E100A9
Compatible / alternative parts(8)
- Part 2Q0121321
- Part 2Q0121321A
- Part 2QD121321
- Part 2QD121321B
- Part 3C0121321
- Part 5ND121321
- Part 5Q0121184
- Part 5QD121321
Diagrams & fitment data powered by oemdiagrams.com
5WA121407F Volkswagen Coolant Expansion Tank | Genuine OEM is fitted on: Golf 2.0 BlueMotion 2019-2024; T-Roc convertible 1.5 2019-2024; Caddy Maxi Kombi 2020-2024; passat estate 2023-; Tiguan 2.0 2023-; Passat saloon 2014-2024; T-Roc BlueMotion 2017-2024; Arteon 2017-2023; Tiguan 2.0 4Motion 2017-2024; Touran 2,0 BlueMotion 2015-2024; Tiguan 2.0 4Motion 2016-2024; Leon style 2019-; Formentor TSI CUPRA 2020-; 578 platform; Tarraco FR 2018-2024; Ateca Style 2016-; Superb Combi 2023-; Kodiaq 2024-; Octavia 2019-2024; Kodiaq 2016-2024; Karoq 2017-2022; Superb Combi 2015-2024; Audi A3 Sportback 2019-2021; Audi Q3 quattro 2018-2019; Audi Q2 2.0 TDI 2016-2018; Audi TTS Coupe 2.0 2014-2023.