fits model: X4, Wolverine. make: Yamaha. year: 2018–2021.

( Brand: Tusk ), ( Manufacturer Part Number: 177-039-0022E26D-A08914 ), ( Part Type: Window ), ( California Prop 65 Warning: Warning )
The **Yamaha Wolverine X4 (2018 2021) Polycarbonate Rear Window (Part #177-039-0022E26D-A08914)** is a premium, high-performance replacement window designed specifically for Yamaha s iconic Wolverine X4 utility terrain vehicle (UTV), built to deliver unmatched durability, clarity, and weather resistance. Crafted from **tempered polycarbonate**, this window is engineered to withstand the rigors of off-road adventures, extreme temperatures, and frequent impacts whether you're navigating rocky trails, crossing streams, or hauling gear in rugged terrain. The polycarbonate material offers **superior impact resistance** compared to traditional glass, reducing the risk of shattering while maintaining excellent optical clarity, ensuring an unobstructed view of your surroundings. Its **UV-resistant coating** protects both the window and the interior from fading and degradation caused by prolonged sun exposure, preserving the Wolverine s sleek, modern aesthetic while extending the lifespan of your UTV s cabin. The window is precision-fitted to Yamaha s Wolverine X4 (2018 2021 models), featuring **sealed gaskets and a secure mounting system** that prevents leaks, drafts, and moisture intrusion, keeping the cabin dry and comfortable even in harsh conditions. Whether you're tackling muddy trails, dusty backroads, or high-speed off-road jumps, this replacement window ensures **reliability, safety, and long-term performance**, making it an essential upgrade for any Wolverine X4 owner who demands both functionality and resilience.
### **Pros and Cons of buying a Tusk 177-039-0022E26D-A08914 UTV Polycarbonate Rear Window for Yamaha Wolverine X4 (2018 2021)**
#### **Pros:**1. **Durability and Impact Resistance** Polycarbonate is significantly stronger than standard glass, offering better protection against rocks, debris, and accidental impacts. This reduces the risk of shattering, which is a common issue with traditional windows.
2. **Safety Enhancement** The reinforced material provides a safer riding environment, especially in off-road conditions where debris is more likely to strike the vehicle.
3. **Weight Savings** Polycarbonate is lighter than glass, which may contribute to improved fuel efficiency and handling, though the difference is minimal for a UTV.
4. **UV Protection** Polycarbonate windows often include UV-resistant coatings, protecting the cabin interior from sun damage over time.
5. **Easier Installation (Compared to Glass)** Polycarbonate is more flexible and easier to cut and install, though professional installation is still recommended for a proper seal.
6. **Long-Term Cost Efficiency** While the upfront cost is higher, polycarbonate may last longer than standard glass, reducing replacement expenses over time.
7. **Compatibility with Aftermarket Mods** Many UTV enthusiasts prefer polycarbonate for custom builds or upgrades, making it a versatile choice.
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#### **Cons:**1. **Higher Upfront Cost** Polycarbonate windows are more expensive than standard glass, which could be a deterrent for budget-conscious buyers.
2. **Potential for Scratches and Yellowing** Over time, polycarbonate can develop scratches or a slight yellow tint, especially if exposed to prolonged UV light without proper coatings.
3. **Limited Availability of Replacement Parts** While not uncommon, some aftermarket suppliers may not carry this exact part, making future replacements harder to source.
4. **Installation Challenges** If not installed correctly, polycarbonate can develop air leaks or improper sealing, leading to condensation or drafts inside the cabin.
5. **Aesthetic Differences** Polycarbonate has a slightly different appearance compared to glass, which may not appeal to those who prefer a traditional look.
6. **Potential for Warping (Under Extreme Heat)** While rare, prolonged exposure to extreme heat could cause minor warping, though high-quality polycarbonate is designed to resist this.
7. **Resale Impact** Some buyers may prefer original equipment manufacturer (OEM) glass, potentially affecting resale value if the UTV is sold later.
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### **Conclusion:**The **Tusk polycarbonate rear window** is a worthwhile upgrade for Yamaha Wolverine X4 owners (2018 2021) who prioritize **durability, safety, and long-term reliability** over cost savings. The benefits such as impact resistance, weight savings, and UV protection outweigh the drawbacks for most off-road enthusiasts who frequently operate in rough terrain. However, if budget is a major concern or if the owner prefers the look of glass, a standard replacement window may be a more economical choice.
For those who plan to keep their UTV for years and want to minimize the risk of window damage, the polycarbonate option is **highly recommended**. If the vehicle is primarily used on paved or lightly trafficked trails, the extra cost may not be justified.
### **Final Recommendation:** **Buy the Tusk polycarbonate rear window** if:- You frequently ride in rocky or debris-heavy conditions.
- You want a safer, more durable window that reduces the risk of breakage.
- You plan to keep the UTV long-term and want to avoid future replacement costs.
**Consider a standard glass replacement** if:- You are on a tight budget and prioritize upfront savings.
- You prefer the appearance of OEM glass and don t expect heavy off-road use.
- You can easily source a replacement if damage occurs.
For most Wolverine X4 owners who value performance and longevity, the polycarbonate window is the better long-term investment.
The UTV rear window does a great job protecting you from the elements. The Tusk window is see-through, so your view will not be obstructed. When combined with the Tusk UTV top, it is a very effective part and accessory for keeping weather away from you your passengers. The Tusk UTV polycarb rear window is a great addition to any side-by-side vehicle.