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Reinforced Audi A6 C6 Universal Rear Air Bag Kit Replacement 4F0616001
Reinforced Audi A6 C6 Universal Rear Air Bag Kit Replacement 4F0616001
Reinforced Audi A6 C6 Universal Rear Air Bag Kit Replacement 4F0616001
Reinforced Audi A6 C6 Universal Rear Air Bag Kit Replacement 4F0616001
Reinforced Audi A6 C6 Universal Rear Air Bag Kit Replacement 4F0616001
Reinforced Audi A6 C6 Universal Rear Air Bag Kit Replacement 4F0616001
Specifications
Brand Name :
FHD
Model Number :
Audi A6C6
Certification :
ISO 9001
Place of Origin :
China
MOQ :
1 pc
Price :
Negotiable
Payment Terms :
D/A,D/P,T/T,Western Union
Supply Ability :
5000 Sets/month
Delivery Time :
3-15days
Packaging Details :
Carton
Warranty :
2 years
Position :
Rear/L/R
Packing :
Carton
Condition :
New
Purpose :
Replace/ Repair
Description
4F0616001 Audi A6 C6 Rear Left Right Air Bag Spring Unit New Replacement
Product Overview

High Load-Bearing, OE Specification Air Spring (Air Bag) For Audi A6 (C6) Rear Left and Rear Right Positions (Air Spring Only, Without Shock Absorber Core, Universal for Left and Right)

Vehicle Application: Audi A6 (C6 / 4F, 2004-2011)
Installation Position: Rear Left / Rear Right (Universal - same part fits both left and right sides)
Component Type: Air Spring (Air Bag Only, Must Be Used with Original or New Shock Absorber Core)
Product Description

This air spring is designed for the rear air suspension system of the Audi A6 C6 chassis, with the same part number fitting both rear left and rear right positions. This product is an air spring only and does not include a shock absorber core. It is suitable for repair scenarios where the original rear shock absorber core is still fully functional but the air spring has aged, cracked, or failed.

As a representative of Audi's executive sedans, the C6 chassis A6 balances comfort with handling stability in its rear air suspension design. The rear air spring handles load-bearing and height adjustment tasks at the rear of the vehicle, maintaining body level, filtering road impacts transmitted through the rear wheels, and working with the suspension control module in the MMI system.

Constructed with high-strength rubber composite material and aluminum alloy upper/lower mounts, this air spring works in coordination with the rear shock absorber core, stabilizer bar and height sensor to form the rear portion of the Audi adaptive air suspension system. This product features automatic self-leveling functionality.

The Audi A6 C6 chassis was produced between 2004 and 2011, and rear air spring failure is a common repair item on this model, especially as vehicles age or exceed 100,000 km. This product is manufactured to original equipment structural dimensions, with air bag diameter, upper and lower mounting hole positions, air line connector specifications, and seal ring dimensions all consistent with original factory specifications, allowing direct replacement of the old air spring without any modifications. The same part fits both left and right sides.

Key Features
  • Independent Air Spring (No Shock Absorber Core): Designed for scenarios where the shock absorber core is intact and only the air spring has failed, reducing repair costs
  • Universal Left/Right Fitment: Same part fits both rear left and rear right positions; no need to distinguish direction during installation, simplifying inventory
  • High Load-Bearing Design: Multi-layer reinforced rubber construction, adapted to the A6 executive sedan's heavy load conditions
  • Reliable Sealing: Original specification seal rings and crimping process reduce slow leak risk
  • Height Responsive: Air spring stroke range matches original height sensor specifications, ensuring proper body lift/lower functionality
  • Factory Tested: Each unit undergoes high-pressure air tightness testing and load cycle verification
Important Note
⚠️ This product is suitable for the Audi A6 C6 chassis (2004-2011), including 2.0T, 2.4L, 2.8L, 3.0T, 4.2L and other powertrain versions. The C6 chassis rear air spring is universal for left and right sides - the same part fits either side. Differences may exist between different model years and configurations. Please verify the original OE part number or VIN code before purchasing. This product is an air spring only and does not include a shock absorber core; installation requires use with the original or a new shock absorber core. It is recommended to replace both rear left and rear right air springs as a pair for balanced suspension performance. The C6 chassis rear air spring is not interchangeable with the later C7 chassis. Please confirm your chassis code before purchasing.
Warehouse & Workshop

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Reinforced Audi A6 C6 Universal Rear Air Bag Kit Replacement 4F0616001
Packing & Delivery

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Reinforced Audi A6 C6 Universal Rear Air Bag Kit Replacement 4F0616001
Frequently Asked Questions
Q1: How can I tell whether the Audi A6 C6 rear air spring is already damaged?
Common signs of damage include: the rear axle noticeably sinking after the vehicle sits overnight (one side or both), the air compressor running frequently after starting (every few minutes), a "hissing" noise from the rear wheels when going over bumps, and an "Air Suspension Fault" or "Adaptive Air Suspension Unavailable" warning on the dashboard. The C6 chassis is an older vehicle, and air spring rubber aging and cracking are common issues. A simple self-check method: after stopping the vehicle and turning off the engine, spray soapy water on the air spring surface and observe if bubbles appear.
Q2: Are the C6 rear left and rear right air springs interchangeable?
Yes, they are interchangeable. The C6 chassis rear air spring is designed to be completely symmetrical for left and right sides, with the same part fitting both rear left and rear right positions - no need to distinguish direction. One part fits either side. If replacing both sides simultaneously, simply purchase two of the same part.
Q3: Is it acceptable to replace only the air spring and keep the old shock absorber core?
Yes, they can be used together, but two conditions must be met: First, the original shock absorber core must be in good condition - no oil leakage, no damping degradation, no abnormal noise. Second, the shock absorber core should generally have no more than 100,000 km of service. The C6 chassis is generally an older vehicle, and shock absorber core oil seal aging is common. It is recommended to inspect the shock absorber core condition when replacing the air spring. The combination of new and old components will not affect the air spring's operation, but degraded damping from the aged shock absorber core will affect the A6's driving stability and comfort.
Q4: After replacing the air spring, the instrument panel shows an "Air Suspension Fault" warning, but the vehicle drives normally. What is the cause?
This situation is usually not a problem with the air spring itself, but rather the air suspension system has not been reset after installation. After replacing rear air springs on an Audi A6 C6, a diagnostic tool (such as VCDS, ODIS or a compatible device) is required to perform "height calibration" and "basic settings" on the air suspension system. The C6 chassis is an older vehicle, and the height sensor links may have aged and become stuck. Be careful not to bump them during installation. It is recommended to connect a diagnostic tool after installation, clear the fault codes, and perform rear axle height initialization.
Q5: Is the C6 rear air spring suitable for different powertrain versions (2.0T/2.4L/2.8L/3.0T/4.2L)?
Yes, it is suitable. The rear air spring structure is the same for different powertrain versions, with identical mounting dimensions. The load capacity of the air spring covers all powertrain versions. The 4.2L V8 version is slightly heavier, but the air spring design accounts for this and can be used without issue. When purchasing, you only need to confirm that your vehicle is the C6 chassis.
Q6: What accessories are recommended to replace at the same time as the rear air spring?
It is recommended to replace the following accessories simultaneously: the air spring upper cap seal ring (may deform after removal), the air line connector clamp (original clamp loses clamping force after removal), and the buffer pad between the air spring and shock absorber core (may harden after long-term compression). In addition, check the rear axle height sensor link for integrity, check whether the compressor dryer is saturated, and check whether the distribution valve is functioning properly. The C6 chassis is an older vehicle, and compressor dryer aging is a common issue, so it is recommended to inspect or replace it.
Q7: After replacing the air spring, the rear axle feels stiffer or bumpier than before. Is this normal?
Yes, this is normal. Old air springs may have hardened rubber and reduced elasticity even before leaking. New air springs restore factory elasticity, which may initially feel firmer as the filtering effect improves. The A6 factory rear axle tuning is biased toward comfort, so the "stiffer" feel of the new air spring will not be too pronounced. Typically, after driving 300-500 km, the air spring will gradually adapt to the vehicle load and the ride feel will become normal. If the rear axle still feels noticeably bumpy after more than 800 km, check whether the installation is correct or whether the correct model was matched.
Q8: There is a "creaking" or "squeaking" noise from the rear wheel area while driving after air spring replacement. What is the cause?
This type of noise requires careful diagnosis on the C6 chassis. Common causes include: 1) The bolts connecting the air spring upper cap to the body are not tightened to the specified torque; 2) The buffer pad between the air spring and shock absorber core is installed incorrectly or missing; 3) The rear stabilizer bar link ball joint is aged, producing noise when working with the new air spring; 4) The height sensor link was bent or stuck during installation; 5) The parking brake cable is pinched between the air spring and the body during installation. The C6 chassis is an older vehicle, and link and control arm bushing aging are common and easily mistaken for air spring issues. It is recommended to first check bolt torque and the buffer pad, then inspect other accessories if the noise persists.
Q9: Is a wheel alignment (chassis angle calibration) necessary after replacing the Audi A6 C6 rear air spring?
Rear axle alignment is recommended. The C6 chassis A6 rear suspension is a multi-link design. Replacing the air spring involves changes in rear axle ride height, and the installation process may involve disconnecting the lower control arm from the subframe, which can affect rear wheel toe and camber after installation. Common consequences of skipping wheel alignment include: uneven rear tire wear and unstable rear end at high speeds. The C6 chassis is an older vehicle, so it is recommended to inspect other suspension components before performing alignment. It is recommended to drive 30-50 km after replacement to allow the suspension to settle naturally before performing a rear wheel alignment.
Q10: Is the C6 rear air spring suitable for the later C7 chassis A6?
No, it is not suitable. The C7 is the next-generation A6 launched in 2011, with a completely different chassis structure, suspension geometry, and air spring mounting dimensions. Parts are not interchangeable with the C6. Before purchasing, please confirm that your vehicle is the C6 chassis (2004-2011 model years), which can be verified via VIN code or vehicle registration information.
Q11: Why does the air compressor run frequently after replacing the rear air spring?
If the air compressor still runs frequently after installing a new air spring, possible causes include: 1) Height calibration has not been performed, and the system is still operating based on the old air spring height parameters; 2) The compressor dryer is saturated, affecting inflation efficiency (a common issue on the C6 chassis); 3) The compressor itself is aged, slowing down inflation speed; 4) The air spring still has a leak after installation (air line connector or seal ring issue); 5) The distribution valve has an internal leak. The C6 chassis compressor has been in service for many years, so dryer saturation and pump aging are common. It is recommended to first perform height calibration using a diagnostic tool. If the problem persists, check the compressor dryer and distribution valve condition.
Q12: Should the C6 rear air springs be replaced as a pair?
Replacing as a pair is recommended. Although it is possible to replace only the damaged side, both air springs have been in service for the same number of years and have similar rubber aging. Failure on one side often indicates the other side is also near the end of its service life. The C6 chassis is generally over 10 years old. Replacing as a pair avoids the other side failing in the short term and ensures balanced left-right suspension support. If you plan to keep the vehicle for more than 2 years, replacing as a pair is a more economical choice.
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Reinforced Audi A6 C6 Universal Rear Air Bag Kit Replacement 4F0616001

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Product Detail
Brand Name :
FHD
Model Number :
Audi A6C6
Certification :
ISO 9001
Place of Origin :
China
MOQ :
1 pc
Price :
Negotiable
Contact Supplier
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Reinforced Audi A6 C6 Universal Rear Air Bag Kit Replacement 4F0616001
Reinforced Audi A6 C6 Universal Rear Air Bag Kit Replacement 4F0616001
Reinforced Audi A6 C6 Universal Rear Air Bag Kit Replacement 4F0616001

Guangzhou Fenghui Automotive Parts Co., Ltd.

Verified Supplier
1 Years
guangdong, guangzhou
Since 2017
Business Type :
Manufacturer
Main Products :
Mercedes Benz Air Suspension, BMW Air Suspension, VW Air Suspension
Total Annual :
5000000-10000000
Employee Number :
50~100
Certification Level :
Verified Supplier
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