Audi B5 S4 Quattro ECS Rear Differential Mount

Clunking and banging when shifting or unusual humming at certain speeds are common symptoms of a worn or failing differential mount. Not only an annoyance, a poorly secured driveline may also compromise your vehicle's safety.

For this reason, ECS Tuning has labored tirelessly to engineer the most finely crafted high-performance polyurethane rear differential mount available for your Audi B5 S4 Quattro.

Featuring 6061-T6 Billet Aluminum anodized housings with tuned polyurethane isolators, DIY'ers will have no problem replacing the mounts themselves.