Product overview
Genuine OEM Volkswagen Coolant Expansion Tank, part number 3D0122407B. This plastic reservoir is an essential component of the engine cooling system, designed to manage coolant volume changes caused by temperature fluctuations. Weighing approximately 0.573 kg, it helps maintain proper system pressure. Genuine OEM expansion tanks are made from high-quality, heat-resistant plastics to ensure long-term durability and prevent leaks, which are critical for cooling system integrity.
Technical details
- Category
- Engine Cooling
- Customs (HS) code
- 87089997
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 33.5 × 21 × 4.5 cm
- Shipping weight
- 0.57 kg
Parts diagram & fitment
4 vehiclesAdditional Expansion Tank — locate 3D0122407B Volkswagen Coolant Expansion Tank | Engine Cooling in the official exploded view and explore the surrounding assembly.
Parts in this assembly(38)
- 1Radiator 3D0121253F
- 1Radiator 3D0121253G
- 1Radiator 3D0121253A
- 2Rubber Bush 3D0121275
- 3Rubber Bush 3D0121276A
- 4Bolt N90817003
- 5Radiator 3D0121212C
- 6Part 3D0121383C
- 7Bracket 3D0121383E
- 8Bracket 3D0955473E
- 10Screw N0147346
- 11Part 1K0129734B
- 12Part 867129669
- 13Washer N90590801
- 14Part N90168604
- 15Collar Nut N90215805
- 16Part N90508302
- 17Bolt N10009205
- 20Tank 3D0121407D
- 20Tank 3D0121407H
- 20Tank 3D0121407J
- 21Cover 3D0121321B
- 22Seal Ring 1H0121687A
- 23Bolt N10334605
- 24Part 191121343
- 25Clamp N90686701
- 26Grommet 3D0819345B
- 27Retainer 3D0121409L
- 28Screw N90172004
- 30Container 3D0122407
- 30Container 3D2122407A
- 31Part 811807577C
- 32Screw N10003203
- 33Part N10179901
- 37Coolant Ad G012A8GM8
- 37Coolant Ad G012A8GM9
- 37Coolant Ad G012A8GM1
- 38Clean Set G052525A3
Diagrams & fitment data powered by oemdiagrams.com
3D0122407B Volkswagen Coolant Expansion Tank | Engine Cooling is fitted on: Phaeton (lang) 2003-2006; PHAETON 08> 2007-; phaeton 4motion 2008-2010; phaeton 4motion 2010-2016.