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8K0121081BJ Engine Coolant Overflow Hose for Audi A4 A5 S5 B8 B8.5 2009-2017 2.0T, Wholesale Reservoir Vent Pipe 8K0 121 081 BJ

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  • DESCRIPTION
  • PRODUCT HIGHLIGHTS
    • This expansion tank return coolant hose links radiator upper fitting to coolant reservoir, fits Audi A4 B8, A5 and Q5 8R produced from 2015 to 2016 with 1.8T/2.0T EA888 Gen2 gasoline engines. It can replace OEM 8K0121081AB, BB, BF & BH, and cannot be installed on V6 3.0T, new B9/C8 chassis or hybrid vehicles, plug-and-play without modification.
    • Exact OEM bending radian, original dual quick-lock connectors, 1:1 mold replication, direct plug-and-play replacement without cutting or trimming.
    • Integrated PA nylon rigid tube with double-layer thickened EPDM rubber sealing joints, withstand sustained high heat of turbo engine bay, anti-aging and crack-proof.
    • External woven wear-resistant protective sleeve reduces friction abrasion near engine components and extends long-term service life.
    • Every finished pipe undergoes 100% air tightness pressure leak test before delivery to eliminate hidden slow coolant leakage risks.
    • Dedicated radiator-to-reservoir return pipeline for final late B8 EA888 Gen2 cooling circuit, effectively remove pipeline air lock and resolve intermittent turbo overheating alarm faults.
    • Clearly mark incompatibility with V6 3.0T, cylinder-head vent hose AH/Q, B9/C8 new chassis & hybrid vehicles to drastically cut repair shop return disputes.
    • OEM-style snap-lock sealing end structure, tight clamping after installation, no coolant seepage or disconnection under bumpy road vibration.
    • Factory bulk supply for auto repair shops & global overseas distributors; neutral export cartons available with custom private label printing supported.
    SCENE IMAGE
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    DETAIL SHOT
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    ABOUT THE SUPPLIERHuapeng Auto Parts is a professional manufacturer of automotive cooling rubber hoses. 
    We supply OE-standard radiator/heater/expansion tank hoses for Volvo, Renault, Audi, Lada and other European car models. 
    All products pass air tightness test before delivery. In stock fast shipment, neutral box & private label OEM service available for global wholesalers.
    COMPANY OVERVIEW
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    Customization Process
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    COMPETITIVE ADVANTAGES
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    TRADE SHOW PARTICIPATION
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    PACKAGING & SHIPPING SPECIFICATIONS
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    FAQs
    Are you factory or trading company?
    We are a professional auto parts manufacturer with over 16 years of experience. We support factory direct sales, strict quality control and stable delivery.
    What products do you supply?
    We specialize in manufacturing automotive rubber components. Our main products include:Silicone Hose,Air Intake Hose & Air Hose,Radiator Hose & Expansion Tank Hose,Heater Hose & PVC Hose,Seal Strip
    Do you support OEM & customized production?
    Yes, OEM and ODM are welcome. We can customize logo, label, packaging, size and shape according to your OEM numbers, drawings or samples.
    What is your MOQ and sample policy?
    Stock items have no MOQ limit, customized orders take 100 pcs per item. Free samples are provided, while buyers bear the freight cost.
    How about your delivery time?
    5-10 days for in-stock goods, 15-20 days for customized bulk orders. We guarantee on-time delivery even in peak seasons with sufficient production capacity
    What are your payment terms?
    100% advance payment for orders under 1000USD; 30% T/T deposit + 70% balance before shipment for orders over 1000USD.
    Are your products fully compatible with original cars?
    All products are produced strictly by OEM standard parameters. They fit car models perfectly with no leakage and no installation problems.
    How about your product quality and warranty?
    We adopt high-temperature and aging-resistant EPDM/silicone materials and high-density filter paper. All goods are fully inspected before shipment, with 12 months professional warranty.

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