United States
Product overview
Genuine OEM Audi Breather Line, part number 4S0121081E. This flexible line is a critical component of the engine's ventilation system, designed to allow gases to escape from the crankcase. It helps maintain optimal engine pressure and prevents harmful build-up. This line is positioned on the left side of the engine assembly. With a length of approximately 1.03 meters, it is engineered for precise routing. Choosing a genuine OEM breather line ensures it has the correct material composition and flexibility to withstand engine bay conditions and maintain a leak-free connection.
Catalogue entry: LINE left; use if required: N 107 461 01 ×2; 4D0 971 850 ×2.
Use with: N10746101 (×2).
Technical details
- Category
- Engine
- Customs (HS) code
- 84099100
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 103 × 52 × 11 cm
- Shipping weight
- 0.11 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- K8C
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
1 vehicleBreather Line — locate 4S0121081E Audi Breather Line | Engine Ventilation in the official exploded view and explore the surrounding assembly.
LThis part is the Left side
Parts in this assembly22
- 1Hose 4S0121107T
- 2Pipe 4S0121081L
- 4Bolt N91139001
- 4Part N91223501
- 5LineLeft4S0121081J
- 5LineLeft4S7121081A
- 7LineRight4S0121081N
- 7LineRight4S0121081D
- 9Hose 4S0122449B
- 11Hose 07L121086G
- 12Water PipeLeft07L121455J
- 13Screw N0210756
- 14Seal Ring N0138063
- 15Bolt N10335206
- 16Water PipeRight07L121455L
- 18Clamp N0206208
- 19Bracket N10670001
- 20Bracket 07L133847
- 60Ring N10746101
- 60Clip N10254901
- 61Clamp N90686701
- 62Clamp N90770201
Vehicle fitment table1
Europe (1)
| Vehicle | Years | Pos. | Remark |
|---|---|---|---|
| Audi R8 Spyder | 2015-2024 | 5 | 2 |
The manufacturer’s catalogue lists this part number as fitted until 24 October 2016; later builds may use a superseding number.
Diagrams & fitment data powered by oemdiagrams.com
4S0121081E Audi Breather Line | Engine Ventilation is fitted on: Audi R8 Spyder 2015-2024.
