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KYB SM5440 Coil Spring Insulator - Rear Lower
Reliable Coil Spring Insulator for Buick, Chevrolet, Oldsmobile, and Pontiac
The KYB SM5440 coil spring insulator is designed to provide effective cushioning and noise reduction for suspension systems on select Buick, Chevrolet, Oldsmobile, and Pontiac models. This component helps maintain suspension integrity and improves ride comfort by isolating coil springs from metal contact.
- Compatible with Buick Century, Chevrolet Impala, Oldsmobile Intrigue, Pontiac Grand Prix, and Monte Carlo
- Part number SM5440 ensures precise fitment and easy identification
- Manufactured by KYB, a trusted brand in suspension components
- Part of the Mount Components line, focused on suspension mounting and isolating parts
- Durable material designed to reduce noise and vibration from coil springs
About the KYB Mount Components Product Line
The Mount Components line by KYB specializes in suspension mounting parts that contribute to vehicle stability and comfort. This product line includes coil spring insulators like the SM5440, which are engineered to minimize noise and wear by cushioning the contact points between coil springs and the vehicle chassis. Using Mount Components parts helps maintain the original suspension performance and prolongs component life.
Product Details and Application
The KYB SM5440 coil spring insulator is specifically designed for use with suspension systems on Buick Century, Chevrolet Impala, Oldsmobile Intrigue, Pontiac Grand Prix, and Monte Carlo models. It fits precisely to reduce metal-to-metal contact, which can cause noise, vibration, and premature wear. This insulator supports the coil spring, helping to maintain proper suspension geometry and ride quality.
Common Suspension Issues Addressed
- Eliminates squeaking or clunking noises from coil springs
- Prevents metal-to-metal contact that can damage suspension components
- Reduces vibration transmitted to the vehicle cabin
- Helps maintain proper spring alignment and suspension performance
- Extends the lifespan of coil springs and related suspension parts
Installation Notes and Tips
- Ensure vehicle is safely lifted and supported before beginning installation
- Remove the old coil spring insulator carefully to avoid damaging the spring or mount
- Clean mounting surfaces to ensure proper seating of the new insulator
- Verify correct orientation of the SM5440 insulator during installation
- Check suspension alignment after installation for optimal performance
Quality Assurance and Warranty
KYB manufactures the SM5440 coil spring insulator to meet or exceed OEM specifications for fit and durability. The product undergoes rigorous quality control to ensure consistent performance. While specific warranty details are not provided here, KYB typically offers coverage against manufacturing defects. Refer to KYB’s official documentation for warranty terms.
This part fits 48 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2013 | Chevrolet | Impala | Rear Lower | Mount Components |
| 2012 | Chevrolet | Impala | Rear Lower | Mount Components |
| 2011 | Chevrolet | Impala | Rear Lower | Mount Components |
| 2010 | Chevrolet | Impala | Rear Lower | Mount Components |
| 2009 | Chevrolet | Impala | Rear Lower | Mount Components |
| 2008 | Chevrolet | Impala | Rear Lower | Mount Components |
| 2008 | Pontiac | Grand Prix | Rear Lower | Mount Components |
| 2007 | Chevrolet | Impala | Rear Lower | Mount Components |
| 2007 | Chevrolet | Monte Carlo | Rear Lower | Mount Components |
| 2007 | Pontiac | Grand Prix | Rear Lower | Mount Components |
| 2006 | Chevrolet | Impala | Rear Lower | Mount Components |
| 2006 | Chevrolet | Monte Carlo | Rear Lower | Mount Components |
| 2006 | Pontiac | Grand Prix | Rear Lower | Mount Components |
| 2005 | Buick | Century | Rear Lower | Mount Components |
| 2005 | Chevrolet | Impala | Rear Lower | Mount Components |
| 2005 | Chevrolet | Monte Carlo | Rear Lower | Mount Components |
| 2005 | Pontiac | Grand Prix | Rear Lower | Mount Components |
| 2004 | Buick | Century | Rear Lower | Mount Components |
| 2004 | Chevrolet | Impala | Rear Lower | Mount Components |
| 2004 | Chevrolet | Monte Carlo | Rear Lower | Mount Components |
| 2004 | Pontiac | Grand Prix | Rear Lower | Mount Components |
| 2003 | Buick | Century | Rear Lower | Mount Components |
| 2003 | Chevrolet | Impala | Rear Lower | Mount Components |
| 2003 | Chevrolet | Monte Carlo | Rear Lower | Mount Components |
| 2003 | Pontiac | Grand Prix | Rear Lower | Mount Components |
| 2002 | Buick | Century | Rear Lower | Mount Components |
| 2002 | Chevrolet | Impala | Rear Lower | Mount Components |
| 2002 | Chevrolet | Monte Carlo | Rear Lower | Mount Components |
| 2002 | Oldsmobile | Intrigue | Rear Lower | Mount Components |
| 2002 | Pontiac | Grand Prix | Rear Lower | Mount Components |
| 2001 | Buick | Century | Rear Lower | Mount Components |
| 2001 | Chevrolet | Impala | Rear Lower | Mount Components |
| 2001 | Chevrolet | Monte Carlo | Rear Lower | Mount Components |
| 2001 | Oldsmobile | Intrigue | Rear Lower | Mount Components |
| 2001 | Pontiac | Grand Prix | Rear Lower | Mount Components |
| 2000 | Buick | Century | Rear Lower | Mount Components |
| 2000 | Chevrolet | Impala | Rear Lower | Mount Components |
| 2000 | Chevrolet | Monte Carlo | Rear Lower | Mount Components |
| 2000 | Oldsmobile | Intrigue | Rear Lower | Mount Components |
| 2000 | Pontiac | Grand Prix | Rear Lower | Mount Components |
| 1999 | Buick | Century | Rear Lower | Mount Components |
| 1999 | Oldsmobile | Intrigue | Rear Lower | Mount Components |
| 1999 | Pontiac | Grand Prix | Rear Lower | Mount Components |
| 1998 | Buick | Century | Rear Lower | Mount Components |
| 1998 | Oldsmobile | Intrigue | Rear Lower | Mount Components |
| 1998 | Pontiac | Grand Prix | Rear Lower | Mount Components |
| 1997 | Buick | Century | Rear Lower | Mount Components |
| 1997 | Pontiac | Grand Prix | Rear Lower | Mount Components |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.