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Home > Products > Coolant System Parts > High sales auxiliary water tank hose 4M0 121 081 F for imported Audi Q8

High sales auxiliary water tank hose 4M0 121 081 F for imported Audi Q8

Product Details

Place of Origin: China

Brand Name: Boigevis

Model Number: 4M0 121 081 F

Payment & Shipping Terms

Minimum Order Quantity: 1pcs

Price: 8.1USD

Packaging Details: Normal

Delivery Time: 3-7days

Payment Terms: Western Union,T/T,D/P,D/A,L/C

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Highlight:
OE NO.:
4M0 121 081 F
Car Model:
For Imported Audi Q8
Item Name:
Auxiliary Water Tank Hose
Quality:
High Quality
Warranty:
12 Months
Size:
Standard Size
Brand:
Boigevis
Packing:
Boigevis Packing
Point Of Origin:
Guangdong, China
Shipping Way:
DHL UPS FEDEX EMS TNT
OE NO.:
4M0 121 081 F
Car Model:
For Imported Audi Q8
Item Name:
Auxiliary Water Tank Hose
Quality:
High Quality
Warranty:
12 Months
Size:
Standard Size
Brand:
Boigevis
Packing:
Boigevis Packing
Point Of Origin:
Guangdong, China
Shipping Way:
DHL UPS FEDEX EMS TNT
High sales auxiliary water tank hose 4M0 121 081 F for imported Audi Q8
Premium pipeline component for centralized bulk procurement

The pipeline is routed inside the engine compartment and delivers circulating antifreeze between the auxiliary water tank and cooling circuit. It undergoes long-term high-temperature exposure, continuous coolant impact and persistent engine vibration during vehicle operation. The rubber tube body will gradually harden, age and generate micro cracks after prolonged service, resulting in slow liquid seepage or pipeline rupture.

A faulty auxiliary water tank hose will trigger coolant leakage, continuous drop of fluid level in the expansion tank, unstable engine operating temperature and poor cabin heating effect. Severe pipe breakage causes rapid loss of antifreeze and leads to engine overheating damage. Most purchasers combine this hose with matched pipe clamps and sealing fittings to place consolidated bulk orders, lowering procurement and logistics costs and securing stable profit margins with low year-round inventory pressure for distributors.
100% OEM bending radian and dimensional matching, direct installation without modification

Manufactured strictly in line with Volkswagen Group original technical standards. The integral bending profile, port diameter at both ends, locating clip positions and internal flow channel specifications are fully consistent with genuine 4M0 121 081 F, and interchange alternative part numbers are available for matching replacement.

No cutting, bending adjustment or pipeline modification is required during replacement. It can be directly connected to the original interfaces of the expansion tank and cooling pipeline, perfectly conforming to the factory assembly layout and effectively cutting down disassembly and maintenance working hours of the engine cooling system.

Applicable Vehicles & Installation Information

Main applicable model: Imported Audi Q8

Compatible extended models: Audi Q7 4M chassis, VW Touareg CR7, Porsche Cayenne 9YA sharing the same cooling pipeline structure

Matching power units: 2.0T / 3.0T gasoline and mild hybrid engines, 3.0T diesel engines

Installation position: Connecting pipeline between coolant expansion tank and main cooling circuit

Optimized Durable Structural Design

  1. Multi-layer reinforced EPDM rubber tube body: Outstanding heat resistance, coolant corrosion resistance and anti-aging property, maintaining stable performance under frequent temperature alternation
  2. Embedded fabric reinforcement layer: Boost burst pressure resistance and prevent bulging or deformation under normal working pressure of the cooling system
  3. Integrally molded pipe ends: Fit tightly with original connectors to avoid liquid leakage at clamping positions
  4. Reserved positioning fixing lugs: Secure the pipeline and prevent friction abrasion against surrounding components
  5. Complete integrated pipeline assembly, ready for direct replacement and installation

Core Functions & Engine Protection

  1. Transport circulating antifreeze to balance pressure and liquid volume inside the cooling system
  2. Stabilize engine operating temperature and guarantee normal warm-up efficiency of the vehicle
  3. Maintain overall tightness of the cooling circuit to eliminate risks of coolant loss and engine overheating
  4. Reduce air accumulation inside the pipeline and avoid local overheating of the engine caused by air lock

Solvable Common Vehicle Faults

  • Coolant stains and seepage marks appearing around the auxiliary water tank hose
  • Expansion tank liquid level declines obviously, requiring frequent antifreeze topping-up
  • Engine water temperature fluctuates abnormally during driving
  • Slow warm-up speed and unstable hot air output from vehicle air conditioner
  • Pipeline bulge and crack under high temperature conditions

Factory Testing & Stable Spot Supply

Every auxiliary water tank hose undergoes hydraulic burst test, liquid tightness test, high-low temperature cyclic aging test and vibration durability test before delivery, meeting IATF 16949 international automotive industry quality certification standards.

Ample spot inventory supports mixed purchase with expansion tank caps, assorted cooling rubber hoses and complete Audi Q8 cooling system maintenance kits. Neutral packaging and private label OEM customized labeling services are offered for global wholesale buyers.

High sales auxiliary water tank hose 4M0 121 081 F for imported Audi Q8

High sales auxiliary water tank hose 4M0 121 081 F for imported Audi Q8