Automotive replacement part intended to restore correct airflow to secondary air injection systems on specified Audi A4 Avant and S4 models. Owners and independent garages gain reassurance from a part designed for reliable performance and straightforward fitting. Is FILWY Secondary Air Injection Pump Connecting Hose the dependable, easy-to-fit replacement for those model years?
⚡ At a Glance
- • Airflow Integrity: Maintains correct routing of air to the secondary air injection system to support emission control operation
- • Best for: DIY mechanics and independent garages working on Audi A4 Avant (2001-2005) and A4 S4 (2001-2006)
- • Not ideal for: Owners of other Audi models or those seeking branded OEM parts specifically
Designed to connect the secondary air injection pump on compatible Audi A4 Avant and S4 model years. Constructed from materials intended for reliable performance and straightforward installation.
Restored emission control, with an accurate replacement hose
Connection between the secondary air injection pump and the intake system ensures air is delivered where required during cold-start emission cycles. The hose matches the intended routing for the listed model years to maintain system integrity.
Proper connections help the secondary air injection system operate as intended during emission control procedures. Reliable airflow routing reduces the risk of system faults caused by cracked or disconnected hoses.
Simple DIY fit, thanks to standard-fit design and clear compatibility
Mounting points and connector shapes align with the specified Audi A4 Avant (2001–2005) and A4 S4 (2001–2006) configurations. Installation requires only standard tools and basic mechanical knowledge.
Fitment can be completed by owners comfortable with basic garage tasks or by independent workshops without specialised equipment. Reduced complexity avoids lengthy labour for straightforward replacement jobs.
Durable operation, with materials chosen for reliable performance
Materials chosen for the hose are intended to withstand normal under-bonnet conditions and repeated thermal cycles. Design aims to resist common failure modes such as cracking and hardening.
Longer-lasting flexible connections reduce the need for frequent replacements in ordinary use. Stable operation helps maintain emission control performance between service intervals.
✨ The 4 Key Reasons for FILWY Secondary Air Injection Pump Connecting Hose
- Easy to fit – Fit using standard tools, reducing time spent in the garage
- Wide model coverage – Covers specified A4 Avant and S4 years without modifications
- OEM part match – Meets references for direct 8E0133889E and 8E0133889A replacements
- Durable construction – Built from reliable materials for longer service life under normal use
📋 Technical Details at a Glance
- Category: Home Improvement, Automotive replacement part
- Brand: FILWY
- Compatible Models: Audi A4 Avant (2001-2005); Audi A4 S4 (2001-2006)
- Replacement Part Numbers: 8E0133889E, 8E0133889A
- Function: Secondary air injection pump connecting hose
❓ Frequently Asked Questions
Q: Will this fit my Audi A4 Avant or A4 S4?
A: Compatibility covers Audi A4 Avant models from 2001 to 2005 and A4 S4 vehicles produced between 2001 and 2006, so fitment is limited to those model years.
Q: Does it replace specific OEM part numbers?
A: Replacement references include 8E0133889E and 8E0133889A, allowing direct substitution where those part numbers are required.
Q: Do I need specialist tools to install it?
A: Installation can be completed with standard tools and basic mechanical knowledge, so specialist equipment is not necessary.
🏆 Our Verdict
Suitable for DIY mechanics and independent garages working on specified Audi A4 Avant and A4 S4 years, the hose restores the intended airflow route for the secondary air injection system. Direct-fit design and references to common part numbers make it a practical replacement option. While budgets and preferences vary, straightforward fitment and durable materials offer clear long-term value by preventing further emission-related issues.
