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Coolant Hose 06E121030B For Audi A6 C7 A7 3.0T — OEM Engine Oil Cooler Pipe
The Coolant Hose with OEM reference number 06E121030B is a verified direct-fit replacement for a wide range of Audi vehicles equipped with the 3.0 TFSI V6 supercharged engine (engine code CGXB) as well as the 2.8 FSI V6 naturally aspirated engine. This pipe is a critical component of the engine oil cooler's coolant circulation system, responsible for transporting coolant to and from the oil heat exchanger to maintain optimal engine oil temperatures.
The engine oil cooler uses engine coolant to regulate the temperature of the engine oil, preventing it from overheating during high-load operation and ensuring it reaches operating temperature quickly in cold conditions. A leaking or blocked coolant hose can lead to oil overheating, reduced lubriion performance, and potential engine damage.
This OE-spec replacement coolant hose is manufactured to original equipment standards, ensuring a perfect fit and reliable sealing. It is a genuine Volkswagen Group part with HS CODE 40093100 and is backed by a 2-year international factory warranty.
Part Number:
06E121030B
Product Name:
Coolant Hose
Car Model:
Audi A6 C7 A7 3.0T
Engine Model:
EA888
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
Vehicle Compatibility
Primary Appliions (Audi):
Model
Chassis
Engine
Years
Audi A6
C7 (4G)
3.0 TFSI V6
2011-2018
Audi A6
C7 (4G)
2.8 FSI V6
2011-2018
Audi A6 Avant
C7 (4G)
3.0 TFSI V6
2011-2018
Audi S6
C7 (4G)
4.0 TFSI V8
2012-2018
Audi A7 Sportback
C7 (4G)
3.0 TFSI V6
2011-2018
Audi A7 Sportback
C7 (4G)
2.8 FSI V6
2011-2018
Engine Codes:
CGXB — 3.0 TFSI V6
2.8 FSI — 2.8L V6
Fitment Notes:
Fits Audi A6 C7 / A7 C7 with 3.0L V6 (supercharged) and 2.8L V6 engines
Compatible with Quattro all-wheel drive and Avant (estate) models
May also fit Audi A4 B8, S4, Q5, Q7, A8 D3/D4, and VW Touareg — verify fitment before ordering
⚠️ Important: Always verify your vehicle's VIN and original part number before ordering. This part fits Audi A6 C7 and A7 C7 models from 2011 to 2018. For vehicles outside this range, consult your dealer or use the VIN check service.
Features & Benefits
Feature
Benefit
Genuine OEM Volkswagen Group part
Manufactured to original equipment specifiions — ensures perfect fit, proper sealing, and reliable performance
Direct replacement for 06E121030A
Supersedes the previous part number — current OEM specifiion for updated cooling system requirements
2-year international factory warranty
Peace of mind — warranty coverage for manufacturing defects
Precision-engineered fitment
Matches factory routing and connection points — no modifiions required
Critical cooling system component
Maintains proper engine oil temperature — prevents oil overheating and protects engine components
Durable OEM materials
Withstands engine bay temperatures, coolant chemicals, and pressure cycling — long service life
HS CODE 40093100
Industry-standard classifiion — simplifies international shipping and customs clearance
Common Failure Symptoms
Symptom
Description
Coolant leak
Visible coolant puddles under the vehicle or around the engine oil cooler area
Low coolant level
Repeatedly needing to top up the coolant reservoir
Engine overheating
Coolant loss leads to inadequate cooling
Oil temperature warning
Engine oil temperature rising above normal due to insufficient oil cooling
Coolant warning light
Dashboard warning light indiing low coolant or cooling system fault
Failed non-return valve function
A small non-return valve is fitted in the coolant hose system; flow must only go towards the reservoir and be blocked to the engine
⚠️ Ignoring a failing coolant hose can lead to:
Engine oil overheating and reduced lubriion
Premature engine wear and potential failure
Coolant loss and engine overheating
Costly engine repairs
Quality Control & Verifiion
QC Item
Verifiion Method
Dimensional accuracy
Precision inspection against OE blueprint — ensures proper fit and routing
Material composition
OEM-grade rubber/plastic verifiion — heat and chemical resistance
Seal integrity
Pressure tested — zero leakage tolerance
Connector fitment
Verified against factory quick-release coupling specifiions
Batch traceability
Each production batch documented with quality certifies
Genuine OEM certifiion
100% genuine Volkswagen Group part
Installation & Maintenance Recommendations
⚠️ IMPORTANT: Coolant system work requires mechanical competence and proper coolant handling. Professional installation recommended.
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
Loe the coolant hose at the engine oil cooler — follow the routing from the oil cooler to the coolant system
Remove the old hose — note the position of any quick-release couplings, clamps, or O-rings
Compare the new hose with the old unit — verify part number (06E121030B) and routing match
Inspect all connection points for damage or debris
Install the new coolant hose — ensure all connections are fully seated
Secure any clamps or quick-release couplings
Refill cooling system with the correct Audi-approved coolant (G12evo/G13 spec)
Bleed the cooling system to remove air pockets — critical for proper cooling
Start engine, bring to operating temperature, and check for leaks
Verify heater operation and proper temperature gauge reading
Pro Tips:
If replacing the coolant hose, consider replacing the coolant at the same time
Use only Audi-approved coolant — never mix different coolant types
When replacing the hose, inspect the non-return valve function if applicable
Check all coolant hoses and connections for signs of wear or damage
Packaging & Supply
100% Genuine OEM Volkswagen Group part
Individually sealed in original OEM packaging
2-year international factory warranty
Bulk wholesale available in master cartons
Ships to 160+ countries worldwide
Suitable for: Audi specialist repair shops, independent garages, auto parts distributors
⚠️ Important: This part is a genuine OEM Volkswagen Group part — not an aftermarket reproduction.
Yimi (Guangzhou) Automotive Parts Co., Ltd.
Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ... Yimi (Guangzhou) Automotive Parts Co., Ltd.
Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ...