Suplex 03180 Coil Spring - Rear

Rear Coil Spring for Audi TT Applications

The Suplex 03180 rear coil spring is a direct-fit suspension spring for select Audi TT and Audi TT Quattro models. Built as a coil spring with constant wire diameter, it measures 323 mm in length, 112 mm outer diameter, and 11.25 mm thickness for the specified rear suspension applications.

SUPLEX is the product line used for this rear spring application, with fitment matched to the listed Audi TT platform vehicles and OE reference details where provided. If you are replacing a worn rear spring on an Audi TT Quattro or Audi TT, part number 03180 is the catalog reference to verify against your vehicle.

Key Features

• Rear suspension coil spring
• Constant wire diameter spring design
• Length: 323 mm
• Outer diameter: 112 mm
• Thickness: 11.25 mm
• Weight: 1.70
• Colour coding: Pink, Green (4x)
• Suplex part number 03180

Vehicle Fitment

• Fits 1999-2006 Audi TT, rear.
• Fits 2003-2006 Audi TT Quattro, rear, with 4 colour strokes green and 1 paint mark violet; OE No. 8N0511115J.
• Fits 2000-2002 Audi TT Quattro, rear, with 1 paint mark silver and 1 paint mark violet; OE No. 1J0511115BN.

What This Spring Helps Address

• Rear ride height that has dropped from spring fatigue
• Uneven rear suspension stance
• Noise caused by a weakened or broken coil spring
• Loss of rear suspension support under load
• Restoration of factory-style rear spring rate and geometry

Installation Notes and Tips

Confirm rear fitment by matching the vehicle year, model, and OE marking details before installation. This spring is specified for the rear position only, and the listed Audi TT Quattro applications include OE number and paint-mark references that should be checked against the removed part. Part number 03180 should be verified against the vehicle identification data and suspension specification before ordering.

Quality Assurance

Suplex suspension components are cataloged for application-specific replacement use, with the SUPLEX line identified for this rear coil spring. Verify all fitment details, including OE references and colour coding, to ensure the correct rear spring is selected for the Audi TT or Audi TT Quattro application.