One-stop procurement of expansion springs 4M0 615 269 B for SAIC Audi AA7

Core Advantages

1. Exact OE Matching Dimension
   
   
   Produced strictly per original 4M0 615 269 B drawing standards. Bending radian, installation bayonet and elastic tension are fully consistent with OEM parts, plug-and-play without trimming or modification.
2. High-Elasticity Spring Steel Material
   
   
   Adopts high-toughness automotive spring steel, stable elastic recovery after long-term reciprocating extrusion, not easy to lose elasticity or break under frequent braking and high temperature circulation.
3. Anti-Corrosion Rust-Proof Surface Treatment
   
   
   Integrated galvanized anti-rust layer, resistant to mud, water, brake dust and high-temperature oxidation under wheel hub environment, long service life without rust jamming.
4. Effective Anti-Vibration & Noise Reduction
   
   
   Maintains constant preload on brake pads, avoids pad shaking during driving and light braking, completely eliminates high-frequency brake squeal and abnormal vibration noise.
5. One-Stop Bulk Procurement Support
   
   
   Adequate spot inventory, flexible MOQ, mixed batch delivery and customized label/packaging services. All products pass strict factory dimensional, elasticity and salt spray tests, stable quality for long-term wholesale cooperation.