fits model: Cross. make: Arctic-cat, Arctic. year: 2016.

( Brand: Arctic Cat ), ( Manufacturer Part Number: 3604-857 ), ( Type: Rear Suspension Cross Axle Shaft )
The **Arctic Cat 3604-857 2016 M8000 Rear Suspension Cross Axle Shaft** is a precision-engineered component designed exclusively for Arctic Cat s high-performance **M8000** snowmobile, a model renowned for its cutting-edge suspension technology, aggressive off-piste capabilities, and relentless speed. This rear suspension cross axle shaft plays a critical role in the vehicle s dynamic handling, stability, and overall ride quality, ensuring optimal power transfer and articulation across rough, uneven terrain. Crafted from high-grade, heat-treated steel, the shaft is built to withstand the extreme forces generated during high-speed turns, deep snow plowing, and aggressive riding maneuvers, where suspension travel and axle articulation are paramount. The design incorporates a robust, reinforced structure to maintain rigidity while allowing the necessary flexibility to absorb impacts and maintain alignment, thereby reducing stress on the suspension system and enhancing durability. Whether navigating steep climbs, tight switchbacks, or deep powder, this axle shaft works in tandem with the M8000 s advanced **dual-zone suspension** to deliver a smoother, more responsive ride, minimizing bounce and maximizing traction. For enthusiasts and professionals who demand the utmost in performance and reliability from their Arctic Cat, this part is an essential upgrade or replacement, ensuring the snowmobile continues to perform at its peak with minimal wear and tear. Its compatibility with the 2016 model year underscores its importance in preserving the integrity of the vehicle s suspension geometry, making it a must-have for those seeking to maintain or restore the M8000 s legendary handling and off-road prowess.
### **Pros and Cons of buying a Arctic Cat 3604-857 (2016 M8000 Rear Suspension Cross Axle Shaft)**
#### **Pros:**1. **Reliability and Durability** Arctic Cat is known for building high-quality, long-lasting ATVs. The M8000 series, in particular, is praised for its robust frame and suspension system, which can handle rough terrain and heavy use.
2. **Rear Suspension Design** The rear suspension on this model improves ride comfort and traction, especially on uneven or rocky terrain. This makes it more suitable for off-road adventures compared to solid-axle models.
3. **Cross Axle Shaft (CAS) System** The cross axle shaft enhances stability and weight distribution, reducing body roll during sharp turns. This is particularly beneficial for riders who frequently navigate technical trails or perform aggressive maneuvers.
4. **Strong Engine Performance** The 857cc engine provides adequate power for most off-road applications, including hauling light loads or towing small trailers. It is also known for being fuel-efficient compared to larger displacement engines.
5. **Resale Value** Arctic Cat ATVs generally hold their value well, especially models with desirable features like rear suspension and CAS. A 2016 M8000 in good condition may still fetch a reasonable price in the used market.
6. **Versatility** The M8000 is designed for utility, recreation, and light work, making it a good all-around ATV for farmers, ranchers, or outdoor enthusiasts.
7. **Aftermarket Support** Arctic Cat has a strong aftermarket presence, meaning parts, upgrades, and maintenance are widely available. This reduces downtime and makes repairs more accessible.
---
#### **Cons:**1. **Higher Upfront Cost** Used ATVs with rear suspension and CAS are typically more expensive than basic solid-axle models. A 2016 M8000 may require a significant investment, especially if seeking a well-maintained example.
2. **Maintenance Requirements** Rear suspension and CAS systems have more moving parts than solid-axle designs, which means they may require more frequent inspections and adjustments. Suspension components (shocks, bushings, springs) can wear out over time and may need replacement.
3. **Weight** The suspension and CAS add weight to the ATV, which can reduce fuel efficiency and maneuverability compared to lighter, solid-axle models. This may be a drawback for riders who prioritize agility or frequent trail use.
4. **Potential for Hidden Issues** Like any used vehicle, a 2016 M8000 may have hidden problems such as worn suspension components, transmission issues, or electrical faults. A thorough pre-purchase inspection is essential to avoid costly repairs.
5. **Limited Off-Road Agility** While the CAS improves stability, it may not offer the same level of articulation as a fully independent suspension system. On extremely rough terrain, some riders may still feel less responsive than on a more nimble ATV.
6. **Fuel and Oil Consumption** The 857cc engine, while efficient, may still consume more fuel and oil than smaller-displacement models, especially under heavy loads or prolonged use.
7. **Depreciation** While Arctic Cat holds value better than some brands, all ATVs depreciate over time. A 2016 model is now nearly a decade old, and newer models may offer improved technology, safety features, or performance.
---
### **Conclusion:**The **Arctic Cat 3604-857 (2016 M8000 with rear suspension and CAS)** is a well-built, versatile ATV that excels in stability, comfort, and utility. It is an excellent choice for riders who prioritize durability, off-road capability, and the ability to handle light work or towing. However, its higher maintenance needs, added weight, and cost make it less ideal for budget-conscious buyers or those seeking maximum agility.
If you are looking for a reliable, long-term ATV that can handle a variety of terrains and tasks, this model is a strong contender **provided you are prepared for the associated maintenance and upfront investment**. For riders who prefer lighter, simpler ATVs or plan to use it primarily for recreational trail riding, a solid-axle model might be a more practical choice.
---
### **Recommendation:**- **Buy if:** You need a rugged, stable ATV for utility work, ranch use, or off-road adventures where comfort and traction are priorities. You are willing to invest in maintenance and have access to mechanical support.
- **Avoid if:** You are on a tight budget, prefer a lighter or more agile ATV, or plan to use it primarily for casual trail riding without heavy loads.
- **Before purchasing:** Inspect the suspension components (shocks, springs, bushings), test the CAS system for smooth operation, and verify the engine and transmission for any signs of wear or leaks. Consider getting a pre-purchase inspection from a trusted mechanic.
- **Alternatives to consider:** If the price is a concern, look for a slightly older or lower-mileage M8000, or explore other brands like **Honda TRX250X** (solid axle, low maintenance) or **Can-Am Maverick** (independent suspension, modern tech).
Free shipping is applicable to most items but not all. 2016 Arctic Cat M8000 Rear Suspension Cross Axle Shaft 3604-857. Axle 3604-857.