OEM-grade Engine Coolant Hose for Audi 2.0T EA888 Gen 2 Turbocharger Coolant Return Line Direct-fit Replacement
| Engine Compatibility: | Audi 2.0T (EA888 Gen 2, 4-cylinder Turbocharged) | OEM Part Numbers: | 06H121492E (also 06H 121 492 E, L06H121492E) |
| Position: | Turbocharger Coolant Return Line | Material: | Premium OE-quality Rubber With Integrated Couplings |
| Cooling Type: | Engine Coolant Circulation | Installation: | Direct OEM Replacement |
| High Light: | OEM-grade Engine Coolant Hose for Audi 2.0T,Audi EA888 Gen 2 Turbocharger Coolant Hose,Direct-fit Coolant Return Line Replacement |
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The Engine Coolant Hose with OEM reference number 06H121492E is a verified direct-fit replacement for a wide range of Audi vehicles equipped with the 2.0T turbocharged 4-cylinder engine (EA888 Gen 2). This hose is a critical component of the engine's cooling system, specifically designed to carry coolant from the engine through the turbocharger and back into the engine, ensuring optimal turbocharger temperature regulation.
A failing coolant hose can lead to coolant leaks, engine overheating, turbocharger damage, and costly engine repairs. This OE-spec replacement hose restores factory cooling system integrity and protects your turbocharger from heat-related failure.
| Part Number: | 06H121492E | Product Name: | Engine Coolant Hose |
|---|---|---|---|
| Car Model: | Audi 2.0T | Engine Model: | EA888 Gen 2 |
| Condition: | 100% Brand New | Size: | Standard |
| Weight: | Standard | Origin: | China Mainland |
| Main Market: | Middle East, Asia, Africa, South America, North America & Europe | ||
| Package: | Neutral Packing Or Make It As Requested | ||
| Material: | High-strength aluminum alloy & precision bearings | Cooling Type: | Engine coolant circulation |
| Installation: | Direct OEM replacement | Quality Standard: | OEM equivalent / ISO quality control |
Primary Applications (Audi 2009-2017):
| Brand | Model | Chassis | Drive | Years |
|---|---|---|---|---|
| Audi | A4 | B8 (8K) | FWD / Quattro | 2009-2016 |
| Audi | A4 Allroad | B8 (8K) | Quattro | 2012-2016 |
| Audi | A5 | B8 (8T) | Quattro | 2010-2016 |
| Audi | A6 | C7 (4G) | FWD / Quattro | 2012-2015 |
| Audi | Q5 | B8 (8R) | Quattro | 2009-2017 |
| Symptom | Description |
|---|---|
| Coolant leaks | Visible coolant puddles under the vehicle or around the turbocharger area |
| Engine overheating | Temperature gauge rising above normal due to coolant loss |
| Low coolant warning | Dashboard warning light indicating low coolant level |
| Turbocharger damage | Inadequate cooling can lead to turbocharger overheating and failure |
| Visible hose damage | Bulges, cracking, splitting at connections, or loss of flexibility |
- Severe engine damage from overheating
- Turbocharger failure from inadequate cooling
- Warped cylinder head or blown head gasket
- Costly engine repairs
Manufactured to meet or exceed original equipment standards — resistant to heat, salt, oil, and road debris
No modifications required — matches factory routing and connections precisely
All cooling-water hose inner linings are resistant to electrochemical cracking
OE-style connectors for secure, leak-free installation
Specifically designed for the turbocharger coolant return line — protects critical turbo components
Eliminates coolant leaks and overheating — protects engine and turbocharger
Matches multiple OEM numbers (06H121492E, 06H121492D) — simplifies sourcing
Reliable out of the box — each unit verified for dimensional accuracy and material integrity
| QC Item | Verification Method |
|---|---|
| Dimensional accuracy | Precision inspection against OE blueprint — ensures proper fit on EA888 engine and turbocharger |
| Material composition | Premium OE-quality rubber verification — heat, oil, and chemical resistance |
| Coupling / connector integrity | Integrated thermoplastic couplings verified — ensures secure, leak-free connections |
| Hose flexibility | Flexibility testing — ensures proper routing and installation |
| Batch traceability | Each production batch documented with quality certificates |
Installation Guidelines (Reference Audi workshop manual for complete steps):
- Safety first — allow engine to cool completely before starting work
- Drain the cooling system — capture coolant for proper disposal
- Remove the old coolant hose — note routing and connection points
- Compare the new hose with the old unit — verify part number (06H121492E) matches
- Inspect all hose flanges and connections for wear or damage
- Install the new coolant hose — ensure proper routing and secure connections
- Refill cooling system with factory-approved coolant
- Bleed the cooling system to remove air pockets
- Start engine, bring to operating temperature, and check for leaks
Maintenance Schedule:
- Inspect coolant hoses for wear, cracking, or bulges during every service
- Replace coolant every 5 years or 100,000 km (or per manufacturer recommendation)
- If the hose has failed, inspect the entire cooling system for contamination
- Individually sealed in protective packaging
- Packed in branded or plain carton
- Bulk wholesale available in master cartons
- Suitable for: Audi specialist repair shops, independent garages, auto parts distributors
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