Delphi TC6503 Suspension Coil Spring Seat - Rear Lower

Delphi Suspension Coil Spring Seat Overview

The Delphi TC6503 Suspension Coil Spring Seat is designed to provide reliable support and cushioning for the rear lower suspension of select Buick, Chevrolet, Oldsmobile, and Pontiac models. Made from durable black rubber, this coil spring seat ensures proper alignment and reduces noise and vibration for a smoother ride.

• Constructed from high-quality black rubber material
• Standard replacement grade for dependable performance
• Rear lower position fitment for specific GM vehicles
• Inside diameter of 121.7 mm (4.79 inches) and outside diameter of 190.0 mm (7.48 inches)
• Compatible with Buick Allure, Chevrolet Impala, Pontiac Grand Prix, and other GM models

Detailed Product Description

The Delphi TC6503 suspension coil spring seat is engineered to fit the rear lower suspension of various Buick, Chevrolet, Oldsmobile, and Pontiac vehicles, including the Allure, Century, Grand Prix, Impala, Impala Limited, Intrigue, LaCrosse, Lumina, Monte Carlo, and Regal. This component is made from durable rubber, which helps absorb shocks and vibrations while maintaining the coil spring's proper position. The precise inside diameter of 121.7 mm (4.79 inches) and outside diameter of 190.0 mm (7.48 inches) ensure a secure fit and optimal suspension performance. As a standard replacement part, the TC6503 meets OEM specifications for reliable and consistent operation.

Common Applications and Problem Solving

• Reduces suspension noise caused by worn or damaged coil spring seats
• Prevents coil spring misalignment and uneven tire wear
• Improves ride comfort by cushioning suspension impacts
• Addresses rear lower suspension sagging or instability
• Restores proper suspension geometry for safer handling

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before installation
• Inspect coil springs and surrounding suspension components for wear
• Clean mounting surfaces to ensure proper seating of the coil spring seat
• Use appropriate tools to avoid damaging the rubber material during installation
• Verify correct positioning on the rear lower suspension before final assembly

Quality Assurance and Warranty

The Delphi TC6503 suspension coil spring seat is manufactured to meet industry standards for durability and performance. As a standard replacement part, it is designed to match OEM specifications for fit and function. Delphi provides quality assurance through rigorous testing to ensure consistent reliability. Warranty coverage details should be confirmed with the parts provider or vehicle manufacturer.