Tein USS03-Q5218 Upper Spring Seats for 2009-2019 Toyota Corolla FWD GSTB0-8USS2

Vehicle Fitment

• 2009-2013 Toyota Corolla (All Trims, 1.8L I4, FWD) - Chassis: ZRE142L
• 2009-2013 Toyota Corolla XRS (1.8L I4, FWD) - Chassis: AZE141L
• 2014-2019 Toyota Corolla (All Trims, 1.8L I4, FWD) - Chassis: ZRE172L

Fitment Notes

• For use exclusively with Tein Street Basis Z Coilover Kit (Part #GSTB0-8USS2)
• Sold as a pair (2x upper spring seats)
• Compatible with FWD applications only
• OEM upper mounts must be reused - not included with this part

Features

• Precision-engineered for direct compatibility with the GSTB0-8USS2 coilover kit
• Ensures correct spring seating position and alignment at the upper strut mount
• Maintains proper coilover geometry for consistent ride height adjustment
• Manufactured by TEIN to OEM-equivalent tolerances for long-term durability
• Direct replacement for worn or damaged upper spring seats on existing Street Basis Z kits

Specifications

• Part Type: Upper Spring Seat (Replacement)
• Position: Front (Left and Right)
• Compatible Coilover Kit: Tein Street Basis Z - GSTB0-8USS2
• Chassis Codes: AZE141L, ZRE142L (2009-2013), ZRE172L (2014-2019)
• Drivetrain: FWD

Included Components

• 2x Front Upper Spring Seats (Left and Right)

Product Description

The Tein USS03-Q5218 is a genuine OEM-replacement upper spring seat pair designed specifically for use with the Tein Street Basis Z Coilover Kit (GSTB0-8USS2) on 2009-2019 Toyota Corolla models. These seats serve as the critical interface between the coilover spring and the upper strut mount, ensuring correct spring alignment, consistent ride height, and proper load transfer throughout the suspension travel range.

This part is ideal for owners of the GSTB0-8USS2 kit who need to replace worn, cracked, or missing upper spring seats without purchasing an entirely new coilover set. Sold as a pair and manufactured by TEIN to precise tolerances, the USS03-Q5218 is a straightforward, genuine replacement that restores the coilover system to full factory specification.