# KYB SM5599 Spring Seat Insulator for 1999–2003 Mazda Protege

### Performance Overview

KYB Spring Seat Insulators are specially designed to reduce noise and vibration that worn parts can transmit into the vehicle.

KYB is a worldwide leading supplier of shocks and struts to new vehicle manufacturers. World-Class engineering and quality have made KYB the original equipment shocks for Lexus, Toyota, Saturn, Infiniti, Chrysler, and Ford. Their products are made from the highest quality materials, and guarantee to deliver superior handling, comfort, and control.

### Key Features

-   Part Number: SM5599
-   Product Type: Spring Seat Insulator

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1999

Mazda

Protege

2000

Mazda

Protege

2001

Mazda

Protege

DX, ES, LX

2002

Mazda

Protege

DX, ES, LX

2003

Mazda

Protege

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the compatibility table above before purchase.

**What part number is this?**  
The listed part number is SM5599.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match the compatible vehicle applications listed in the fitment table.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the fitment table before ordering.

### Common Searches

-   Spring Seat Insulator for Mazda Protege
-   SM5599 fitment
-   KYB Spring Seat Insulator
-   1999–2003 Mazda Protege Spring Seat Insulator
-   KYB SM5599 replacement

## Details

- **Price:** 23.15 CAD
- **Vendor:** KYB
- **Type:** Spring Seat Insulator
- **Tags:** 1999–2000 Mazda Protege, 2001–2002 Mazda Protege, 2003 Mazda Protege, KYB, SM5599, Spring Seat Insulator

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 23.15 CAD | In stock |

## Images

- KYB SM5599 Spring Seat Insulator for 1999–2003 Mazda Protege

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> Source: [Standard Auto Part](www.standardautopart.com/products/kyb-mazda-protege-spring-seat-sm5599)
> Updated: 2026-06-19