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Number 1 marks the part’s position in the exploded view.
Product overview
Genuine OEM Audi Coolant Hose, part number 5Q0122051BN. This flexible hose is a critical component of the engine cooling system, responsible for circulating coolant between the engine, radiator, and other cooling components. It is routed within the engine bay, connecting various parts of the cooling circuit. Weighing approximately 1.052 kg, this hose is designed to withstand high temperatures and pressures. Using a genuine OEM coolant hose ensures the correct material composition, precise internal diameter, and exact routing geometry, preventing leaks and ensuring efficient heat transfer for engine longevity.
Catalogue entry: HOSE lower.
Technical details
- Category
- Engine Cooling
- Country of origin
- Hungary
- Customs (HS) code
- 40093100
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 50 × 34 × 14 cm
- Shipping weight
- 1.05 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- DE2
- DK7
PR codes identify the factory option a part belongs to; your vehicle’s are listed on the data sticker in the boot well or service booklet.
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
11 vehiclesCoolant Hose With Quick Release Coupling — locate 5Q0122051BN Audi Coolant Hose | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly31
- 1Hose 5Q0122051BJ
- 1Hose 5Q0122051BK
- 2Seal Ring N90765301
- 3Spring 1J0121142
- 7Bracket 5Q0121093CM
- 8Bracket WHT005377
- 9Coupl Piece 3B0122291B
- 10Bracket 5Q0121093CN
- 15Water Pump 04L965567A
- 15Pump 5G0965567
- 16Part 5Q0121093EK
- 16Part 5Q0121093EL
- 16Part 5Q0121093CF
- 17Screw N10698101
- 18Bolt N90737107
- 18Clip 8J7871719
- 21Pipe 5Q0121064BB
- 22Hose 5Q0121449A
- 23Hose 5Q0122449C
- 24Bolt N90737101
- 25Hose 5Q0122101CM
- 25Hose 5Q0122101CN
- 26Coupl Piece 5Q0121619A
- 31Pipe 04L121070AB
- 32Hose 04L121030
- 33Bolt N10335202
- 60Clamp N90768301
- 61Clamp N90686701
- 64Clamp N90686902
- 65Clamp N90687001
- 67Clamp N90687201
Vehicle fitment table11
Europe (11)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Octavia | 2017-2020 | 1 | 1 | PR:DE2,DK7 | DK7 |
| golf 2.0 | 2016-2020 | 1 | 1 | PR:DK7,DE2 | DE2 |
| Audi A3 Cabrio | 2016-2020 | 1 | 1 | DK7 | |
| Leon ST Stylance | 2016-2020 | 1 | 1 | PR:DE2,DK7 | DE2 |
| Superb Combi | 2015-2024 | 1 | 1 | DE5 | |
| Golf Estate | 2013-2017 | 1 | 1 | DK7 | |
| Audi A3 Cab. 1.4 | 2013-2016 | 1 | 1 | DK7 | |
| Octavia | 2012-2017 | 1 | 1 | PR:DK7 | TR1 |
| Golf 1.4 BlueMotion | 2012-2017 | 1 | 1 | D | |
| Audi A3 Sportback | 2012-2016 | 1 | 1 | DK7 | |
| Leon ST Stylance | 2012-2016 | 1 | 1 | PR:DE2,DK7 | DE2 |
Diagrams & fitment data powered by oemdiagrams.com
5Q0122051BN Audi Coolant Hose | Genuine OEM is fitted on: Octavia 2017-2020; golf 2.0 2016-2020; Audi A3 Cabrio 2016-2020; Leon ST Stylance 2016-2020; Superb Combi 2015-2024; Golf Estate 2013-2017; Audi A3 Cab. 1.4 2013-2016; Octavia 2012-2017; Golf 1.4 BlueMotion 2012-2017; Audi A3 Sportback 2012-2016; Leon ST Stylance 2012-2016.