SPORTS PARTS INC 6326-S448493-26 Spi Moly Lower Arm Fan Left Ski Doo

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 6326-S448493-26 ), ( Part Type: Fan Arm )

Review SPORTS PARTS INC Spi Chrome Moly Lower A arm black Ski doo Fan Left fits MX 550 2003–2005

The **SPI Moly Lower A-Arm (Part #6326-S448493-26) for the 2003 2005 Ski-Doo MX 550 Fan Left** is a precision-engineered suspension component designed to enhance the performance, durability, and handling of your Ski-Doo MX 550. Crafted from high-grade, heat-treated steel, this lower control arm is built to withstand the rigorous demands of off-road riding, delivering superior strength and resistance to bending or warping over time. The arm features a meticulously machined, polished surface, ensuring a clean, professional finish that not only improves aesthetics but also reduces the risk of corrosion, a common issue in high-stress suspension components. This part is specifically engineered to fit the left-side lower A-arm of the Ski-Doo MX 550, maintaining proper alignment and articulation for optimal suspension travel and stability, whether you're tackling rough trails, jumping obstacles, or pushing the limits on technical terrain.

What sets this SPI Moly lower A-arm apart is its compatibility with modern suspension tuning techniques. The arm is designed to work seamlessly with aftermarket suspension components, allowing riders to fine-tune their bike s geometry for improved handling, reduced body roll, and better weight distribution. The robust construction also accommodates the use of high-performance bushings, such as those from SPI Moly s own line, which are known for their durability and resistance to wear. Whether you're upgrading for performance, restoring your Ski-Doo to factory specifications, or simply replacing a worn-out OEM part, this lower A-arm provides a reliable, long-lasting solution that exceeds the standards of original equipment. Installation is straightforward, thanks to the precise fitment and clear alignment points, making it an ideal choice for both DIY enthusiasts and professional mechanics. With SPI Moly s reputation for quality and innovation, this part is a must-have for any rider looking to maximize the performance and longevity of their 2003 2005 Ski-Doo MX 550.

### **Pros and Cons of buying a Sports 6326-S448493-26 SPI Moly Lower A-Arm (Black) for a 2003-2055 Ski-Doo MX 550 Fan Left**

1. **OEM Replacement Part** This is an original equipment or high-quality aftermarket part designed specifically for your Ski-Doo model, ensuring a proper fit and compatibility.

2. **Durability** SPI Moly is known for producing durable suspension components that can withstand the stresses of off-road use, reducing the risk of premature failure.

3. **Improved Performance** A well-maintained or upgraded lower A-arm can enhance handling, stability, and ride quality, especially if the original part was worn or damaged.

4. **Black Finish** The black color matches the aesthetic of many aftermarket upgrades, giving your Ski-Doo a cleaner, more aggressive look.

5. **Warranty Coverage** SPI Moly parts often come with warranties, providing peace of mind against defects in materials or workmanship.

6. **Easier Installation** Since it s a direct replacement, installation should be straightforward if you have basic mechanical skills or access to a professional.

7. **Compatibility with Upgrades** If you plan to modify other suspension components (shocks, bushings), this lower A-arm will integrate well with those upgrades.

1. **Cost** At $200, this part is relatively expensive compared to generic or lower-quality aftermarket alternatives. If your original part was still functional, replacing it may not be strictly necessary.

2. **Potential Overkill for Light Use** If you primarily ride on trails with minimal rough terrain, the benefits of a new lower A-arm may not justify the cost unless the original part was already worn.

3. **Installation Complexity** While not extremely difficult, replacing a lower A-arm requires removing the wheel, adjusting suspension geometry, and ensuring proper alignment. Mistakes here can lead to handling issues.

4. **Bushing Wear Risk** If the bushings in the A-arm are worn, simply replacing the arm without addressing the bushings won t fully resolve suspension problems. You may need to replace them as well.

5. **Market Availability** If you re buying used or from a less reputable seller, there s a risk of counterfeit or damaged parts. Buying direct from SPI Moly or an authorized dealer minimizes this risk.

6. **Time-Consuming** If you re not experienced with suspension work, the job could take several hours, especially if you re also replacing bushings or adjusting geometry.

The **Sports 6326-S448493-26 SPI Moly Lower A-Arm** is a solid choice if you re looking for a high-quality, direct replacement part for your Ski-Doo MX 550. It s ideal if:

- Your original lower A-arm is bent, cracked, or worn.

- You re upgrading your suspension for better performance.

- You want a durable, OEM-compatible part with a warranty.

However, if your current A-arm is still functional and you re on a budget, replacing it may not be immediately necessary. If you do decide to upgrade, consider whether you also need to replace bushings or adjust suspension geometry for optimal results.

- **Buy it if:** You re experiencing handling issues, the original part is damaged, or you re doing a full suspension refresh.

- **Skip it if:** Your A-arm is still in good condition and you have more pressing upgrades (e.g., shocks, bushings, or engine components) to prioritize.

- **Consider alternatives:** If cost is a concern, check for used OEM parts or lower-cost aftermarket options (though quality may vary). Always verify compatibility before purchasing.

- **Installation tip:** If you re not confident in your mechanical skills, have a professional handle the job to avoid misalignment or improper torque settings.

For the best value, pair this purchase with a full suspension inspection to ensure all components (bushings, shocks, linkages) are in good condition.

Details:

Parts without fitment are to be assumed universal and may require vehicle modification. SPI Chrome Moly Lower A-Arm-Black for 2003 - 2005 Ski-Doo MX Z 550 Fan Left: Application: Left. 2005 - Ski-Doo GSX 550 Fan Left. Replacement Chrome Moly Lower A-Arm manufactured by Sports Parts.

2003 - 2005 Ski-Doo MX Z 380 Fan Left. This is helpful if you are buying multiple items.: Brand: Sports Parts Inc, model Number: 6326-S448493-26. I need to exchange an item.

part #: 6326s44849326 price

• $92.32

specifications snowmobileshocksoi:

• for models: Mx, 550
• for makes: Ski-doo
• for years: 2003-2005
• brand: Sports Parts Inc
• mpn: 6326-s448493-26
• part type: Fan Arm

general snowmobileshocksoi:

• condition: New
• Parts Accessories > Snowmobile Parts > Shocks Suspension

seller snowmobileshocksoi:

• city: Indiana, US
• # reviews: 84348
• rating: 99.9%

payments snowmobileshocksoi:

• wallet: Paypal
• other
• credit card: Mastercard

shipping snowmobileshocksoi:

• cost: $0.00
• transit: 4-6 Days
• service: Standard
• type: Fixed
• class: Standard

offer snowmobileshocksoi:

• options: Ship-to-home
• started: May 2, 2026
• sold: 0
• availability: In Stock
• quantity: 9

returns snowmobileshocksoi:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

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