ARCTIC CAT 8477-845 Screw Nos AC78

( Brand: Arctic Cat ), ( Manufacturer Part Number: 8477-845 ), ( Part Type: Screw )

Review ARCTIC CAT Genuine Screw For Nos Oem fits MACH 2018

Introducing the Arctic Cat Mach Screw, part number 8477-845, specifically designed for use with 18 nuts on select Arctic Cat snowmobiles, such as the AC78 model. This high-quality fastener is an essential component for maintaining the optimal performance and durability of your snowmobile.

The Arctic Cat Mach Screw is manufactured from premium materials, ensuring superior strength and resistance to harsh winter conditions. Each screw is precision-engineered to meet exacting dimensions and specifications, ensuring a perfect fit and secure attachment to your snowmobile components.

These screws are designed with a thread pitch of 1.00 x 25, making them suitable for use with the corresponding nuts on Arctic Cat snowmobiles. The screws have a diameter of 6.3mm and a length of 17mm, providing the necessary length for a secure connection while minimizing the risk of over-threading.

Each Arctic Cat Mach Screw features a zinc-plated finish, which provides additional protection against corrosion and rust. This finish not only enhances the appearance of your snowmobile but also ensures that the screws remain in excellent condition, even after extended use in wet, snowy conditions.

Installing these screws is a simple and straightforward process. Simply align the screw with the corresponding nut and thread it into place using a screwdriver or socket wrench. Once the screw is securely attached, tighten it to the recommended torque specification to ensure a strong and reliable connection.

In summary, the Arctic Cat Mach Screw, part number 8477-845, is an essential replacement component for Arctic Cat snowmobiles requiring 18 nos AC78 screws. Its superior strength, durability, and resistance to corrosion make it an ideal choice for maintaining the optimal performance and longevity of your snowmobile.

The Arctic Cat Mach 78 snowmobile is a popular choice among snowmobilers due to its high performance and reliability. One of the parts that are commonly replaced or upgraded is the track screw, specifically the Arctic Cat part number 8477-845. In this response, we will discuss the pros and cons of buying this specific track screw for an 18-inch Arctic Cat Mach 78 snowmobile.

1. High Quality: Arctic Cat is a reputable brand known for producing high-quality snowmobiles and their parts. The 8477-845 track screw is designed to provide excellent grip and durability, making it an ideal choice for heavy-duty usage.

2. Precise Fit: These screws are engineered to fit perfectly on Arctic Cat Mach 78 snowmobiles, ensuring optimal performance and reducing the risk of damage to the track or other components.

3. Improved Grip: The 8477-845 track screws provide better grip compared to other aftermarket options, ensuring the snowmobile stays on the trail during various riding conditions.

4. Easy Installation: These screws can be easily installed using standard tools, making the process quick and hassle-free for most users.

1. Cost: Arctic Cat original equipment manufacturer (OEM) parts, such as the 8477-845 track screw, tend to be more expensive than aftermarket alternatives. However, the improved performance and durability may justify the investment for some users.

2. Limited Availability: Depending on the location, availability of Arctic Cat OEM parts, including the 8477-845 track screw, may be limited. This could result in a longer waiting time for those who need to replace their screws urgently.

In conclusion, the Arctic Cat 8477-845 track screw for an 18-inch Arctic Cat Mach 78 snowmobile offers several advantages, such as high quality, precise fit, improved grip, and easy installation. However, it comes with a higher cost compared to aftermarket alternatives and may have limited availability in certain areas. Ultimately, the decision to purchase this track screw depends on the user's priorities, budget, and availability of alternative options.

For those who prioritize performance, durability, and a precise fit, the Arctic Cat 8477-845 track screw is a solid investment. However, if cost is a major concern, users may consider exploring aftermarket alternatives that offer similar performance at a lower price point. Regardless of the choice, it is essential to ensure that the screws are compatible with the specific snowmobile model to avoid potential compatibility issues.

Details:

Shipped with USPS Ground Advantage. Genuine Arctic Cat 8477-845 MACH Screw 2 FOR $18 NOS OEM AC78.

part #: 8477845 prices

• $7.94-$18.00

specifications snowpar:

• for models: Mach
• for makes: Arctic-cat, Arctic
• for years: 2018
• brand: Arctic Cat
• mpn: 8477-845
• part type: Screw

returns snowpar:

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

seller snowpar:

• rating: 99.5%
• city: Spokane, Washington
• # reviews: 8275

offer snowpar:

• availability: In Stock
• sold: 0
• started: April 15, 2026
• options: Ship-to-home
• quantity: 1

shipping snowpar:

• carrier: USPS
• service: USPS Ground Advantage
• cost: $0.00
• transit: 3-8 Days
• type: Calculated
• class: Standard

general snowpar:

• condition: New other see details
• Parts Accessories > Snowmobile Parts > Other Parts

payments snowpar:

• credit card: Mastercard
• wallet: Google-pay
• other

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