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4M0121081DD Engine Coolant Overflow Hose for Audi RSQ8 SQ8 SQ7 2020-2026 4.0L V8, Wholesale Reservoir Vent Pipe 4M0 121 081 DD

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Category:

Coolant Hoses

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admin@qhhuapeng.com

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  • DESCRIPTION

  • PRODUCT HIGHLIGHTS
    • This expansion tank overflow coolant vent hose exclusively fits Audi SQ7 and RSQ8 4M produced from 2018 to 2024, matched with 4.0L V8 twin turbo TDI high-performance engines. It cannot be installed on 3.0T, 2.0T, hybrid, standard Q7/Q8 or VW Touareg vehicles, plug-and-play without modification.
    • Exact OEM mould dimension, identical pipe bending radian & original quick-lock buckle, direct plug-and-play replacement without cutting or trimming.
    • One-piece PA nylon hard pipe + thickened double-layer EPDM rubber sealing joints, withstand ultra-high heat of 4.0T V8 performance engine, anti-aging & anti-cracking.
    • Outstanding antifreeze corrosion resistance, no swelling, hardening or slow coolant leakage under long high-load performance driving.
    • Seamless vulcanized joint between plastic tube and rubber ends; every finished pipe passes 100% air tightness pressure test before shipment to eliminate hidden leakage risk.
    • Special overflow vent pipeline customized for V8 high-load cooling circuit, balance system pressure, eliminate air lock and avoid engine overheating failure.
    • Exclusive match for 4M chassis SQ7/RSQ8 4.0 V8 TDI engines; clearly mark incompatible 3.0T/2.0T/hybrid series to reduce repair shop return rate.
    • Original factory-style snap lock sealing connector, tight clamping after installation, no coolant seepage under intense high-performance engine vibration.
    • Factory bulk supply for auto repair shops & global distributors, neutral export carton & custom private label printing available.
    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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