SP1 1607-S475055-77 Arm Moly Upper Cat 6000 141

( Brand: Sp1 ), ( Manufacturer Part Number: 1607-S475055-77 ), ( Part Type: Arm )

Review SP1 Chrome Moly Upper A arm Arctic Cat 6000 141 Snowmobile fits 2018

The **SP1 1607-S475055-77 Moly Upper A-Arm** is a high-performance, precision-engineered suspension component designed specifically for the **2018 Arctic Cat 6000 141** off-road vehicle, ensuring optimal handling, durability, and off-road capability. Crafted from **high-grade, heat-treated steel**, this upper A-arm is built to withstand the rigorous demands of heavy-duty use, including rough terrain, aggressive off-roading, and prolonged exposure to harsh environmental conditions. The **molybdenum (moly) coating** applied to the arm s critical surfaces enhances its resistance to wear, corrosion, and fatigue, extending its lifespan while maintaining smooth articulation and consistent performance. This component features a **robust, reinforced design** with strategically placed bushings and mounting points, allowing for precise steering geometry and reduced flex under load, which translates to improved stability, better weight distribution, and a more responsive ride.

Engineered to meet or exceed OEM specifications, the **SP1 1607-S475055-77** is a **direct-fit replacement**, ensuring compatibility with the 2018 Arctic Cat 6000 141 s suspension system without the need for modifications. The arm s **precision-machined surfaces** and **tight tolerances** guarantee a seamless fit, reducing the risk of misalignment or premature wear on associated components like the steering linkage, ball joints, and control arms. Whether tackling rocky trails, deep mud, or steep inclines, this upper A-arm delivers **superior structural integrity** and **reliability**, helping to maintain the vehicle s handling characteristics and overall performance. Built to endure the most demanding off-road scenarios, this component is an essential upgrade for enthusiasts seeking to enhance their Arctic Cat s durability and off-road prowess while minimizing maintenance and downtime.

### **Pros and Cons of buying a SP1 1607-S475055-77 Moly Upper A-Arm for a 2018 Arctic Cat 6000 (141) Snowmobile**

1. **Improved Durability and Strength** The molybdenum (moly) coating on the upper A-arm reduces friction, wear, and corrosion, extending the part s lifespan compared to standard steel components. This is particularly beneficial in harsh winter conditions where salt, moisture, and debris are common.

2. **Better Performance Under Load** Moly-coated parts are designed to handle stress more effectively, reducing the risk of bending or fatigue failure, especially in aggressive riding or heavy-duty applications. This can lead to smoother handling and fewer mechanical issues over time.

3. **Easier Installation and Maintenance** The part is likely designed to fit directly as an OEM replacement, reducing the need for modifications. Moly coatings also make parts easier to clean and inspect, as they resist rust and grime buildup.

4. **Compatibility with Aftermarket Upgrades** Since this is a direct replacement for the Arctic Cat 6000 s upper A-arm, it integrates seamlessly with other aftermarket suspension components (e.g., shocks, bushings) if you plan to modify your snowmobile further.

5. **Cost-Effective Long-Term Solution** While the upfront cost may be higher than a generic steel part, the reduced wear and improved performance can save money in the long run by avoiding frequent replacements or suspension-related repairs.

6. **Enhanced Ride Quality** A well-maintained upper A-arm contributes to better suspension response, reducing vibration and improving stability, which is crucial for off-trail or high-speed riding.

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1. **Higher Initial Cost** Moly-coated or high-quality aftermarket parts are typically more expensive than standard OEM replacements. If budget is a concern, this could be a significant upfront investment.

2. **Potential Overkill for Light Use** If you primarily ride your Arctic Cat 6000 on groomed trails or in mild conditions, the benefits of a moly upper A-arm may not justify the cost. For casual riders, a standard OEM or budget aftermarket part might suffice.

3. **Limited Availability and Sourcing** High-quality aftermarket parts, especially those with specific coatings like moly, may not be as widely available as generic replacements. You may need to order from specialized suppliers, which could delay installation.

4. **Installation Complexity** While designed for easy replacement, improper installation (e.g., misalignment, incorrect torque) can negate the benefits and even cause damage. If you re not experienced with suspension work, professional installation may be required.

5. **Compatibility Concerns** Always verify that this specific part number (1607-S475055-77) is a **direct drop-in replacement** for your 2018 Arctic Cat 6000 (141). Cross-referencing with your model s service manual or consulting the manufacturer is critical to avoid fitment issues.

6. **Warranty or Return Risks** Some aftermarket parts may void your snowmobile s warranty if installed, depending on the manufacturer s policies. Check Arctic Cat s warranty terms before purchasing.

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### **Conclusion and Recommendation**

- Ride aggressively (off-trail, high speeds, heavy loads).

- Operate in harsh, corrosive environments (salt, mud, frequent washing).

- Plan to keep the snowmobile long-term and want to minimize suspension wear.

- Are already investing in other performance or durability upgrades.

**However**, if you primarily ride on groomed trails in mild conditions or are on a tight budget, the benefits may not outweigh the cost. In that case, a **genuine OEM replacement** or a **high-quality steel aftermarket part** (without moly) could be a more practical choice.

- **Buy it if:** You value long-term durability, plan to push your snowmobile hard, and can justify the investment. Pair it with complementary upgrades (e.g., moly bushings, upgraded shocks) for maximum benefit.

- **Skip it if:** You re a casual rider, the cost is prohibitive, or you re unsure about installation. Opt for a standard replacement instead.

- **Before purchasing:** Double-check compatibility with your exact model (141 engine, 2018 year), confirm the part s fitment with your current suspension setup, and consider professional installation if needed.

For the best results, pair this upgrade with a **suspension flush, new bushings, and proper lubrication** to ensure optimal performance. Always follow Arctic Cat s maintenance guidelines to preserve warranty coverage.

Details:

I need to exchange an item. 2018 - Arctic Cat M 6000 153. 2018 - Arctic Cat M 6000 141. Parts without fitment are to be assumed universal and may require vehicle modification.

This is helpful if you are buying multiple items. 2018 - Arctic Cat M 8000 Sno Pro 153 Early Build.: Brand: SP1, model Number: 1607-S475055-77.

part #: 1607s47505577 price

• $87.25

specifications snowmobileshocksoi:

• for makes: Arctic, Arctic-cat
• for years: 2018
• brand: Sp1
• mpn: 1607-s475055-77
• part type: Arm

general snowmobileshocksoi:

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

returns snowmobileshocksoi:

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

offer snowmobileshocksoi:

• quantity: 9
• started: March 3, 2026
• availability: In Stock
• sold: 0
• options: Ship-to-home

seller snowmobileshocksoi:

• city: Indiana, US
• # reviews: 79025
• rating: 99.8%

payments snowmobileshocksoi:

• wallet: Apple-pay
• credit card: Visa
• other

shipping snowmobileshocksoi:

• cost: $0.00
• service: Standard
• type: Fixed
• transit: 2-6 Days
• class: Standard

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