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- One stop purchase auxiliary water tank water pipe 06L 121 081 AD for FAW Audi A6
- Product Details
- Company Details
Product Specification
|
|
|
|
| Point Of Origin |
Guangdong, China |
Delivery Time |
3-7days |
| Quality |
High quality |
Brand |
Boigevis |
| Payment Terms |
Western Union,T/T,D/P,D/A,L/C |
Warranty |
12 Months |
| Packaging Details |
Normal |
Item Name |
Auxiliary water tank water pipe |
| Shipping Way |
DHL UPS FEDEX EMS TNT |
Size |
Standard size |
| Car Model |
for FAW Audi A6 Avant |
OE NO. |
06L 121 081 AD |
| Packing |
Boigevis packing |
Model Number |
06L 121 081 AD |
| Brand Name |
Boigevis |
Place of Origin |
China |
One stop purchase auxiliary water tank water pipe 06L 121 081 AD for FAW Audi A6 Avant
This high-demand coolant overflow vent hose with OE code 06L 121 081 AD is a core cooling system spare part for domestic FAW Audi A6 Avant C8 chassis 2.0T gasoline and plug-in hybrid models. It sustains steady repeat bulk orders in domestic and global VAG luxury car aftermarket, widely stocked by professional Audi repair shops and cross-border auto parts wholesalers. We provide full one-stop mixed purchasing with expansion tanks, radiators, auxiliary water pumps, thermostats and complete engine cooling overhaul kits.
Standard Coolant Reservoir Vent Pipe for Bulk Wholesale
This reinforced composite vent pipeline connects the auxiliary coolant expansion tank and engine cooling circuit, mainly responsible for exhausting air bubbles inside the cooling loop and balancing coolant expansion volume during temperature changes. It can withstand long-term high-temperature coolant corrosion, frequent thermal expansion and contraction, engine bay oil splashes and all-season extreme temperature alternation.
Common aging defects of old pipes: rubber hardening & cracking, pipe swelling, seal joint leakage, brittle fracture under vibration.
Failed water pipes will trigger multiple vehicle faults: frequent coolant loss, low coolant warning lamp alert, engine local overheating, air lock leading to weak warm air output in winter. Most distributors match this pipe with full cooling system accessories for unified bulk shipments, cutting procurement and cross-border logistics costs while maintaining stable profit all year round.
100% OEM Exact Fit, Direct Plug-and-Play Installation Without Modification
Produced strictly in line with Volkswagen Group OEM technical standards. Pre-bending radian, dual-end quick connector size, pipe wall thickness and reserved fixed buckle positions are fully consistent with genuine 06L121081AD.
Cross-reference interchange OE codes: 06L121081AC
Fitment restriction: Only applicable to FAW Audi A6 Avant C8 2.0T TFSI and PHEV hybrid models with DLH/DLVA engines; not compatible with 3.0T V6 or diesel powertrains. No pipe cutting or adapter modification required during replacement, perfectly fits original vehicle pipeline layout and greatly shortens cooling system maintenance hours.
Full Compatible Vehicle List
- Domestic FAW Audi A6 Avant C8 chassis (2019–2025) 40 TFSI, 45 TFSI, 55 TFSI quattro & 2.0T PHEV
- Shared MLB Evo platform models: Audi A4 B9, A5 F5, Q5 FY, S6 C8, Porsche Macan 95B 2.0T
Matching Powertrains
2.0L inline-four turbo gasoline engine, 2.0T plug-in hybrid power unit
Installation Position
Vent pipeline between auxiliary coolant reservoir and engine cooling main circuit
Optimized Heavy-Duty Structural Design
- Multi-layer reinforced EPDM composite pipe body: Excellent resistance to high temperature, coolant corrosion and aging, avoiding deformation or cracking under long-time 105℃+ working temperature
- Integrated injection molded quick-lock plastic connectors: Tight sealed connection with expansion tank and engine pipe ports to eliminate liquid leakage risks
- Built-in high-temperature fluorine rubber sealing gaskets at both ends: Anti-oil, anti-hardening, stable sealing performance for long service cycle
- Pre-formed positioning buffer rubber sleeves: Reduce pipeline vibration friction damage during vehicle driving
- Complete one-piece finished water pipe assembly, matched with original style fixed buckles for direct replacement
Core Engine Cooling Protection Functions
- Discharge trapped air bubbles inside the cooling system to eliminate air lock and prevent engine local overheating
- Balance coolant volume expansion caused by temperature rise, avoid coolant overflow loss from auxiliary water tank
- Stabilize overall cooling circuit pressure during cold startup and high-load driving
- Ensure smooth coolant circulation of heater core to supply stable hot air for cabin heating in cold weather
- Protect auxiliary water tank from excessive pressure impact to extend the service life of expansion tank assembly
Common Solvable Vehicle Faults
- Coolant liquid level keeps dropping without obvious external leakage points
- Coolant fault light lights up repeatedly on dashboard after refilling antifreeze
- Engine temperature rises abnormally during traffic jams or long-distance high-speed driving
- Insufficient warm air blown out from air outlets in low temperature environment
- Coolant wet stains appear around the auxiliary water tank pipeline joints
Brief Step-by-Step Installation Guide
Required Tools
Flat screwdriver, coolant collection container, new matching Audi coolant, rubber sealing lubricant
- Park vehicle on flat ground, turn off engine and wait for complete cooling to prevent scalding from hot coolant.
- Locate the vent pipe connected to the auxiliary water tank, release the quick lock buckles on both pipe ends.
- Slowly pull down the aged original water pipe, collect residual coolant into sealed container.
- Wipe clean the connecting ports of expansion tank and engine pipeline, remove residual aging rubber gasket debris.
- Spread thin layer of sealing lubricant on gaskets of new 06L121081AD water pipe, insert dual-end connectors firmly until "click" locking sound is heard.
- Install fixed buffer rubber sleeves and positioning buckles to fix pipeline on engine bay brackets, avoid shaking friction.
- Refill fresh special coolant into auxiliary water tank, start engine and idle for 10 minutes to fully bleed air from cooling loop.
- Inspect all pipe joints carefully for coolant seepage, confirm the coolant warning light does not light up during driving test.
Strict Factory Testing & Stable Spot Supply
Every batch of auxiliary water tank water pipes passes high-temperature circulation aging test, hydraulic pressure burst test and antifreeze corrosion resistance test before export shipment, fully complying with IATF 16949 international automotive quality certification standards and Audi OEM production specifications.
Sufficient spot inventory supports mixed purchase with expansion tanks, radiator hoses, auxiliary cooling water pumps and complete FAW Audi A6 Avant C8 cooling system service kits. Neutral export carton packaging and private label OEM customized labeling services are available for global wholesale buyers.
Company Details
Bronze Gleitlager
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Graphite Plugged Bushings
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Business Type:
Manufacturer
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Total Annual:
10000000-50000000
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Employee Number:
150~200
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Ecer Certification：
Verified Supplier
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