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Item #:
100014055
Arctic Cat 8" Rear 4th Wheel Kit 12-18 ZR,XF,M 137" 141" 153" 162" 6639-621
Item #:
100014055
USD 164
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Order now and get it around Friday, August 28
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Outside idler wheels help keep track in proper alignment and spread load evenly across entire track.
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What Stands Out
Enhanced Stability
The 8-inch rear wheel kit improves stability for smoother rides, especially during cornering, ensuring better control on various terrains.
Versatile Fit
Designed for multiple Arctic Cat models from 2012 to 2018, this kit perfectly fits the ZR, XF, and M series, accommodating different track lengths for tailored performance.
Durable Construction
Made from high-quality materials, this wheel kit delivers superior durability against wear and tear, providing long-lasting performance and value for snowmobile enthusiasts.
Product Details
| Size | 8 inches (20.3 cm) |
| Wheel Size | 8 Inches (20.3 cm) |
| Rim Size | 8 Inches (20.3 cm) |
| Item Diameter | 8 Inches (20.3 cm) |
| Compatible with Vehicle Type | Snowmobile |
| Load Index | 110 |
| Seasons | winter |
| Automotive Fit Type | Vehicle Specific Fit |
| Brand Name | Arctic Cat |
| Manufacturer Part Number | AC #6639-621 |
| Manufacturer | Arctic Cat |
| Unit Count | 6.0 Count |
| Brand | Arctic Cat |
| Vehicle Service Type | Snowmobile |
| Item Weight | 5 lbs (2.27 kg) |
Who Should Buy?
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Snowmobile Enthusiasts
Ideal for avid riders looking to enhance stability and control while riding on various terrains with their Arctic Cat.
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Frequent Travelers
Great for those who often take long trips and need improved performance and handling from their snowmobile.
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Modification Seekers
Perfect for users who enjoy customizing their snowmobiles for better performance, especially in deep snow conditions.
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Casual Riders
Not suitable for occasional users who do not require advanced stability features for moderate snowmobile use.
Product Description
Arctic Cat 8" Rear 4th Wheel Kit 12-18 ZR,XF,M 137" 141" 153" 162" 6639-621
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Customer Questions & Answers
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Question:
What is the purpose of the Arctic Cat 8" Rear 4th Wheel Kit?
Answer: The Arctic Cat 8" Rear 4th Wheel Kit is designed to enhance stability and performance for your snowmobile. It allows for better weight distribution, especially during turns, which improves handling and cornering. This is particularly beneficial for riders who navigate challenging terrains or need added support when carrying extra gear. The kit is compatible with various Arctic Cat models including ZR, XF, and M from 2012 to 2018, ensuring optimal fit and functionality. -
Question:
How do I install the Arctic Cat 8" Rear 4th Wheel Kit?
Answer: Installing the Arctic Cat 8" Rear 4th Wheel Kit typically requires basic tools and a bit of mechanical knowledge. You will need to follow the manufacturer's instructions for mounting the wheels correctly onto your snowmobile's rear axle. Make sure to ensure all connections are secure to maintain optimal performance. Riders may want to consult professional mechanics if they are unfamiliar with snowmobile maintenance, as correct installation is vital for functionality. -
Question:
Will this kit fit my specific Arctic Cat model?
Answer: This kit is compatible with specific Arctic Cat models including the ZR, XF, and M from 2012 to 2018, accommodating various track lengths such as 137", 141", 153", and 162". Before purchasing, it’s essential to verify your snowmobile's model and specifications. Using a compatible kit ensures that you achieve the desired performance improvements without risking damage to your machine. -
Question:
What benefits can I expect from using this 4th wheel kit?
Answer: Using the Arctic Cat 8" Rear 4th Wheel Kit offers several performance enhancements. It provides greater stability when cornering and reduces the risk of your snowmobile tipping over. Additionally, it improves ride quality by absorbing shocks from rough terrains, making it ideal for both recreational riders and those who participate in more aggressive riding styles. If you often ride on uneven trails or need to haul gear, this kit can significantly improve your experience. -
Question:
Do I need any special tools to install the rear wheel kit?
Answer: You will generally need basic hand tools like wrenches and sockets for the installation of the Arctic Cat 8" Rear 4th Wheel Kit. A torque wrench is often recommended to ensure that bolts are tightened to the correct specifications. If you are knowledgeable about snowmobile mechanics, you should have no problem, but consider seeking help if you are unsure of the installation process to ensure your snowmobile performs as intended. -
Question:
Can I use the Arctic Cat 8" Rear 4th Wheel Kit for racing?
Answer: Yes, the Arctic Cat 8" Rear 4th Wheel Kit can be beneficial for racing applications as it enhances control and maneuverability. The added stability during high-speed turns can give competitive riders an edge. However, ensure that modifications comply with your racing class rules, as regulations may vary. It's recommended that you test the setup in controlled conditions before racing to become accustomed to any handling changes. -
Question:
How does this kit impact the overall weight of the snowmobile?
Answer: The Arctic Cat 8" Rear 4th Wheel Kit adds some weight to your snowmobile, but this is often offset by the stability and performance benefits it brings. Increased stability can mean smoother rides, especially in rough conditions, allowing riders to maintain better control. Therefore, while it may slightly increase weight, the overall performance gains, particularly for riders who frequently traverse rough terrains, are typically worth it. -
Question:
What should I consider before purchasing this kit?
Answer: Before purchasing the Arctic Cat 8" Rear 4th Wheel Kit, consider your snowmobiling habits, including the types of terrain you ride and whether you carry additional gear. Ensure your specific model's compatibility with the kit and assess whether you feel comfortable with the installation process. Understanding these factors will help you make an informed decision that enhances your riding experience. -
Question:
Is there maintenance required for the 4th Wheel Kit?
Answer: Yes, like any component of your snowmobile, the Arctic Cat 8" Rear 4th Wheel Kit requires maintenance to ensure optimal performance. Regularly check the wheel alignment, tighten bolts, and inspect for wear and tear after rides. Keeping the kit in good condition is crucial for delivering peak performance and extending the life of your snowmobile. Address any issues promptly to avoid larger problems later. -
Question:
Where can I buy the Arctic Cat 8" Rear 4th Wheel Kit?
Answer: You can buy the Arctic Cat 8" Rear 4th Wheel Kit from Ubuy in Turks and Caicos. Ubuy offers a convenient platform for purchasing a variety of snowmobile parts, including this specific kit. Shopping through Ubuy not only provides product availability but also often includes customer reviews and detailed product descriptions to help you make the best decision.
ArcticCat Rims Editorial Review
**** The Arctic Cat 8" Rear 4th Wheel Kit is resonating well with customers, particularly those who are enthusiastic about enhancing their snowmobiles for better performance. Users have found the installation process to be straightforward, with many highlighting its simplicity as a significant advantage. This kit not only improves the stability of the sled on trails but also serves as a preventative measure for extending the life of the Tri hub, addressing concerns of durability in a snowmobiling setting. While some users have noted that it can create a slightly pushy feel in corners, the overall Consensus leans towards appreciating the increased stability it provides. The aesthetic aspect also doesn’t go unnoticed, with buyers mentioning that it looks great once installed. Customers seem to be satisfied with their purchase, as the kit meets their expectations for both performance enhancements and ease of installation. **
Customer Reviews & Ratings
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Pros
- Easy to install.
- Enhances stability on trails.
- Helps extend Tri hub life.
- Attractive design.
Cons
- Can make the sled feel a bit pushy in corners.
Platform Trust & Buyer Confidence
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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23-Jul-26 · via Trustpilot
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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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USD 164
Order now and get it around Friday, August 28
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Features & Benefits
- Enhance track alignment with outside idler wheels.
- Distribute load evenly for improved performance.
- Includes essential components: 2 wheels, spacer blocks, and hardware.
- Ideal for aggressive riding and when adding studs.
- Compatible with a range of models from 2012 to 2019.
- Ensure a smoother and more controlled ride.
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