One-stop purchase auxiliary water tank pipe 8K0 121 081 BH for B8
Price:
8.3USD
MOQ:
1pcs
Delivery Time:
3-7days
Brand:
Boigevis
Product Description
Core Selling Points
Hot-selling cooling consumable ideal for combined one-stop ordering
Original factory plastic-rubber composite auxiliary water tank pipes are high-failure components on B8 chassis. Under long-term high-temperature engine compartment baking, repeated thermal expansion & contraction cycles, coolant chemical corrosion and driving vibration, the pipe will crack, bulge and leak antifreeze slowly.
A leaking expansion tank pipe leads to gradual coolant loss, unstable engine water temperature, slow warm-up, insufficient cabin heating in winter, and severe engine overheating that may deform the cylinder head. Most buyers purchase this pipe together with expansion tanks, radiator hoses, water pumps and sealing gaskets in a single batch to cut procurement and logistics costs, bringing stable profit margins and low inventory risks for dealers all year round.
100% OE identical dimension, direct plug-and-play installation without modification
Strictly manufactured in accordance with Audi VAG OEM technical standards: overall bending contour, quick-connect buckle structure, pipe inner diameter, two-end joint size and mounting positioning radian are fully consistent with genuine 8K0 121 081 BH. No cutting, pipeline remodeling or post-installation debugging is required. It seamlessly connects the coolant expansion tank and radiator circulation pipeline, perfectly matching the B8 engine bay layout, greatly shortening cooling system maintenance hours.
Applicable Vehicle & Engine Scope
- Matched Core Engine: EA888 Gen1/Gen2 1.8 TFSI / 2.0 TFSI turbo gasoline engine
- Main Applicable Chassis: Audi B8 platform
- Main Fit Models:
Audi A4 B8 (8K), A5 8T, Q5 8R, S4/S5/SQ5 with 1.8T/2.0T power
- Extended Compatible Models: Partial Porsche Macan 2.0T with identical cooling circuit layout
- Installation Position: Connects auxiliary coolant reservoir tank to radiator main pipe
Reinforced Durable Structural Design
- Composite multi-layer EPDM rubber hose + reinforced plastic hard pipe: High heat resistance, anti-aging, resistant to long-term erosion by ethylene glycol coolant, not easy to crack or deform
- Integrated one-piece injection molding process: Hard pipe and soft rubber joint are tightly fused, no separation or liquid seepage at the transition section
- Original matched quick-connect snap joints: Built-in sealing rings, tight lock without air leakage or liquid leakage under vehicle vibration
- Standard fixed positioning clips: Fit factory reserved mounting buckles, no pipeline shaking and friction damage
- Complete finished product delivered, equipped with matching sealing accessories for direct assembly
Stabilize Cooling Circuit & Prevent Engine Overheating
- Balance pressure inside the auxiliary water tank, guide overflow coolant back to the radiator circulation loop to maintain stable coolant volume
- Eliminate hidden danger of coolant loss caused by pipe cracking, keep engine operating temperature within optimal range
- Accelerate cold vehicle warm-up speed, improve warm air output efficiency in low-temperature environments
- Protect cylinder head, turbocharger and other core components from permanent damage due to high-temperature overheating
Fully Resolve Common Pipe Failure Symptoms
- Slow coolant consumption, frequent need to add antifreeze
- Coolant seepage and wet stains around the auxiliary water tank
- Dashboard water temperature gauge fluctuates abnormally, occasional overheating alarm
- Extremely slow warm-up speed, poor heating effect inside the car in winter
- Aging pipeline bulges, risks sudden burst leading to massive coolant loss
Rigorous Multi-stage Factory Testing & Ample Spot Inventory
Each auxiliary water tank pipe undergoes hydraulic pressure leakage test, high-low temperature cyclic aging test, coolant immersion anti-corrosion test and vibration durability inspection before delivery, complying with IATF 16949 international automotive quality management standards.
Sufficient ready stock supports one-stop mixed procurement with expansion tanks, radiator upper/lower hoses, thermostat assemblies and complete EA888 cooling system overhaul kits. Neutral packaging and private label OEM customization services are available for global cross-border wholesale customers.
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Company
Boigevis Trading (guangzhou) Co., Ltd.
Location
A012, Liyuan Plaza, Yongfu Road, Yuexiu District, Guangzhou City, Guangdong Province, China
Contact Person
Jack