Mopar Performance 55366387AB Upper Front Coil Spring Isolator

The Mopar Performance 55366387AB is a genuine OEM upper front coil spring isolator designed to provide cushioning and noise reduction between the coil spring and chassis mounting point. This rubber isolator helps absorb vibrations and prevents metal-to-metal contact, ensuring smooth suspension operation and reduced road noise transfer into the cabin.

Key Features:

• Genuine Mopar OEM replacement part for reliable fit and performance
• Rubber construction for effective vibration dampening
• Installs in upper front position on both left and right sides
• Direct replacement for worn or deteriorated isolators
• Restores proper suspension alignment and noise isolation

Compatible with vehicles equipped with 3.0L V6 Turbo Diesel, 3.6L V6 24V VVT eTorque, 5.7L V8 HEMI MDS VVT, and 5.7L V8 HEMI MDS VVT eTorque engines. This isolator supersedes Mopar part numbers 55366387AA and 68436333AB.