Mevotech MP904941 Coil Spring Insulator

Mevotech MP904941 is a corrosion-resistant coil spring insulator for the rear lower suspension position. It is built to isolate the coil spring from the spring seat, helping maintain proper contact and reduce metal-to-metal wear in supported Chevrolet, Buick, and Pontiac applications.

• Corrosion-resistant finish for added protection in underbody suspension locations
• Measures 7.65 in. long and 6.5 in. wide
• Rear lower coil spring insulator for direct-fit suspension service
• Cross-references Monroe Shocks & Struts 904941 for the same application
• Part number MP904941 for catalog and fitment lookup

Fitment and Application Details

Compatible With rear lower suspension applications on 2000-2011 Chevrolet Impala, 2000-2007 Chevrolet Monte Carlo, 1997-2005 Buick Century, 1997-2004 Buick Regal, and 1997-2003 Pontiac Grand Prix. This Mevotech MP904941 coil spring insulator is used in rear lower positions on these vehicles, including Chevrolet Impala and Buick Regal service applications.

• Fits 2000-2011 Chevrolet Impala, rear lower
• Fits 2000-2007 Chevrolet Monte Carlo, rear lower
• Fits 1997-2005 Buick Century, rear lower
• Fits 1997-2004 Buick Regal, rear lower
• Fits 1997-2003 Pontiac Grand Prix, rear lower

What This Part Helps Address

• Spring-to-seat noise caused by worn or hardened insulators
• Metal contact between the coil spring and suspension perch
• Loss of cushioning at the rear lower spring mounting point
• Corrosion-related deterioration in the spring interface area
• Fitment issues during rear suspension maintenance on supported GM vehicles

Installation Notes and Tips

Verify the rear lower position before installation and compare the old insulator to the new part for size and shape. Inspect the spring seat and surrounding suspension components for wear, rust, or damage before reassembly. Confirm vehicle application by year, make, and model, especially on Chevrolet Impala, Chevrolet Monte Carlo, Buick Century, Buick Regal, and Pontiac Grand Prix platforms.

Quality Assurance

Mevotech supplies suspension service parts for OE-style replacement applications, and MP904941 is finished for corrosion resistance to support long-term underbody use. Confirm fitment against the listed vehicle coverage before installation.