High-Quality Expansion Tank Hose 8R0 121 081 T for Q5
Price:
5.9USD
MOQ:
1pcs
Delivery Time:
3-7days
Brand:
Boigevis
Product Description
Core Selling Points
High-failure cooling pipeline part with fast turnover
Expansion tank vent hoses are common aging vulnerable parts for Audi Q5 8R. Original pipes suffer plastic tube cracking, soft rubber section aging hardening, quick connector seal failure and pipe abrasion after long-term engine bay high temperature, coolant corrosion and driving vibration. Damaged hoses cause coolant seepage, low coolant warning light on dash, unstable engine temperature, overheating under heavy load and accelerated aging of radiator and water pump. VAG repair shops and overseas distributors place continuous bulk orders all year round, with low stocking cost and steady profit space for dealers.
100% OE molded fit, direct plug-and-play installation
Manufactured strictly following OEM original standards: integral bending radian, hard plastic pipe specification, EPDM soft rubber buffer section, two-end quick lock connector size, fixed positioning buckle and inner flow bore fully match genuine 8R0121081T. Interchange equivalent OE codes: 8R0121081BP / 8R0121081AR. Built-in integrated sealing gaskets at both ends, no cutting or trimming needed during replacement, perfectly connect expansion tank and radiator circulation loop to greatly reduce front cooling system disassembly labor hours.
Compatible Vehicle Range
- Core matching model: Audi Q5 8R (2009–2017) chassis 8RB
- Applicable powertrains: 2.0T EA888 TFSI petrol, 2.0 TDI / 3.0 TDI diesel
- Interchange platform: Audi A4 B8, A5, S5 with identical cooling pipeline layout
Reinforced composite high-temperature anti-corrosion structure
- Thickened PA66 rigid plastic main pipe, anti-deformation and anti-cracking under sustained 125℃ engine compartment heat
- Multi-layer EPDM soft rubber buffer segment, strong flexibility, resistant to cold-hot cycle aging, compatible with all ethanol mixed antifreeze
- Original quick-release plastic connectors with built-in anti-leak sealing rings, tight locking without loosening under bumpy vibration
- Integrated positioning limit buckles, fix pipeline firmly to avoid friction wear with wiring harness and peripheral pipelines
- Smooth unobstructed internal flow channel, guarantee balanced coolant overflow and pressure release
Stable cooling system pressure balance to protect turbo engine
Transmit overflow coolant and release excess pressure generated by coolant thermal expansion between expansion tank and radiator. Raise coolant boiling point to prevent engine temperature surge and overheating during high-speed climbing and full-load driving. Eliminate air lock inside cooling circuit to speed up cold start warm-up and improve cabin heating effect, extend service life of radiator, cooling fan and auxiliary water pump assembly.
Fully resolve typical hose failure faults
- Coolant leakage and liquid stains at pipe joints and rubber sections
- Abnormal low coolant warning light constantly illuminated on dashboard
- Engine temperature fluctuates violently, overheating alarm triggered under heavy load
- Original pipe embrittlement, cracking and coolant loss
- Air blockage leads to slow warm-up and insufficient hot air output in winter
- Persistent coolant peculiar smell diffused inside engine compartment
Rigorous multi-stage factory testing & sufficient spot stock
Every expansion tank hose undergoes coolant immersion aging test, hydraulic pressure burst leakage test, high-low temperature cycle test and bending fatigue test before delivery, compliant with IATF 16949 international automotive quality standards. Mass ready stock supports mixed one-stop bulk procurement with expansion tanks, radiator hoses, water tank caps and complete Q5 8R cooling overhaul kits. Custom neutral packaging and private label OEM customization services are available for cross-border wholesale buyers.
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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