ARCTIC CAT 8639-401 Pro Bumper Med Kit

( Brand: Arctic Cat ), ( Manufacturer Part Number: 8639-401 ), ( Part Type: Bumper )

Review ARCTIC CAT Pro Bumper Kit Med Green New

The Arctic Cat 8639-401 Pro Bumper Kit is a meticulously engineered aftermarket upgrade designed to enhance both the protection and performance of Arctic Cat snowmobiles, particularly those equipped with the iconic 800 and 900 series engines. This high-quality, heavy-duty bumper kit is crafted from premium-grade steel, ensuring unmatched durability and resistance against impacts from rocks, debris, and other obstacles encountered during off-piste riding. The kit features a robust, contoured front bumper that seamlessly integrates with the snowmobile s existing frame, providing superior protection for critical components like the engine, radiator, and undercarriage without compromising aerodynamics. The design includes reinforced mounting brackets and precision-machined fittings, ensuring a secure and vibration-free installation that withstands the rigors of aggressive terrain and high-speed riding. Beyond its protective capabilities, the Pro Bumper Kit also incorporates thoughtful engineering to improve functionality, such as integrated mounting points for auxiliary lights, cameras, or other accessories, allowing riders to customize their setup for enhanced visibility and safety. Whether tackling deep powder, navigating icy trails, or pushing through dense brush, this bumper kit delivers peace of mind with its bulletproof construction and reliable performance, making it an essential upgrade for serious riders who demand both protection and performance from their Arctic Cat.

### **Pros and Cons of buying a Arctic Cat 8639-401 Pro Bumper Kit (Medium)**

The Arctic Cat 8639-401 Pro Bumper Kit is designed to enhance the functionality and durability of Arctic Cat snowmobiles, particularly those in the Pro series. Here are the key advantages:

1. **Durability and Protection** The kit is engineered to withstand harsh winter conditions, including impacts from ice, rocks, and debris. The reinforced bumper helps prevent damage to the front of the snowmobile, extending its lifespan.

2. **Improved Off-Trail Performance** The medium-sized bumper is optimized for aggressive riding, including trail riding, deep snow, and rough terrain. It provides better clearance and protection when navigating obstacles, reducing the risk of engine or frame damage.

3. **Compatibility with Pro Series Models** This kit is specifically designed for Arctic Cat Pro models (such as the 8639 series), ensuring a precise fit without modifications. It maintains the snowmobile s performance while adding protective benefits.

4. **Enhanced Resale Value** A well-maintained snowmobile with aftermarket protective gear like this bumper kit can retain or even increase its resale value, as buyers often prioritize durability and low-maintenance features.

5. **Easy Installation** Arctic Cat parts are typically designed for straightforward installation, reducing the need for specialized tools or expertise. Many users can install the bumper kit themselves with basic mechanical skills.

6. **Compatibility with Other Arctic Cat Accessories** The kit integrates well with other Arctic Cat aftermarket parts, such as skis, bindings, and lighting systems, allowing for a cohesive upgrade package.

7. **Reduced Maintenance Costs** By preventing minor collisions and impacts from causing major damage, the bumper kit helps avoid costly repairs to the snowmobile s front end, including the engine, radiator, and frame.

---

1. **Cost** As an aftermarket part, the bumper kit adds to the initial investment in the snowmobile. For budget-conscious riders, this may be a significant expense, especially if upgrading an older model.

2. **Weight** Additional protective gear can increase the overall weight of the snowmobile, which may slightly reduce fuel efficiency and handling agility, particularly in tight or technical terrain.

3. **Aesthetic Preferences** Some riders prefer a cleaner, stock appearance for their snowmobiles. The addition of a bumper kit may alter the original design, which could be a concern for those who prioritize aesthetics over functionality.

4. **Potential for Misalignment** If not installed correctly, the bumper kit could interfere with the snowmobile s alignment or clearance, leading to handling issues or increased wear on other components.

5. **Limited Customization** Unlike some aftermarket parts, the Arctic Cat Pro Bumper Kit is a standardized fit. Riders who want unique styling or additional features (e.g., LED lighting integration) may need to pair it with other accessories.

6. **Warranty Considerations** Installing aftermarket parts like this bumper kit could void certain aspects of the manufacturer s warranty, depending on the terms. Riders should check Arctic Cat s warranty policy before purchasing.

7. **Durability Over Time** While the bumper is designed to be tough, prolonged exposure to extreme cold, salt, and abrasive terrain can cause wear. Some users may need to replace or repair it over the long term, depending on usage intensity.

---

### **Conclusion**

The Arctic Cat 8639-401 Pro Bumper Kit is a practical and well-engineered upgrade for riders who prioritize durability, off-trail performance, and long-term protection for their snowmobile. Its compatibility with Pro series models, ease of installation, and potential to reduce maintenance costs make it a strong choice for serious riders. However, the added cost, weight, and potential aesthetic trade-offs should be weighed against the benefits, particularly for casual riders or those on a tight budget.

For riders who frequently tackle rough terrain, deep snow, or high-impact trails, the investment in this bumper kit is likely justified. Those who primarily ride groomed trails or prefer a stock appearance may find the benefits less compelling.

---

### **Recommendation**

- You ride aggressively on unmaintained trails or in rough conditions.

- You want to extend the lifespan of your snowmobile and reduce repair costs.

- You value Arctic Cat s reputation for quality and compatibility.

- You re willing to invest in aftermarket parts for long-term protection.

- You primarily ride groomed trails and rarely encounter obstacles.

- Budget constraints make the additional cost prohibitive.

- You prefer a stock appearance and minimal modifications.

- You re unsure about installation or potential warranty implications.

For most Pro series Arctic Cat owners who seek reliable protection without sacrificing performance, this bumper kit is a worthwhile addition. Pair it with other compatible Arctic Cat accessories (such as skis or lighting) for a comprehensive upgrade package.

Details:

part #: 8639401 prices

• $299.95-$310.00

specifications azsnowmobiling:

• for makes: Arctic-cat, Arctic
• brand: Arctic Cat
• mpn: 8639-401
• part type: Bumper

seller azsnowmobiling:

• city: Bloomer, Wisconsin
• rating: 100.0%
• # reviews: 1480

general azsnowmobiling:

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

payments azsnowmobiling:

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

shipping azsnowmobiling:

• service: FedEx Ground Economy
• type: Calculated
• transit: 2-5 Days
• class: Economy
• carrier: FedEx
• cost: $0.00

returns azsnowmobiling:

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

offer azsnowmobiling:

• quantity: 1
• options: Ship-to-home
• best offers: True
• started: June 4, 2026
• sold: 0
• availability: In Stock

Arctic Cat 8639-401 Is Similar To:

• 00-15 Zl Cat Crossfire Motor Zr F1000 Valves Arctic Cfr 1000 Exhaust Servo (23% similar) ...(December 18th, 2014)
• 007-1021 Fti Goldfinger Left Hand Throttle Kit Arctic Cat 649241839521 (25.4% similar) For your protection, insure the package full value...(September 14th, 2018)
• Arctic Coil External 01-067-01 Cat Ignition Kimpex (36.7% similar) New complex external ignition coil part this coil was used on the Arctic Cat snowmobiles with part...(February 9th, 2015)
• Cat Arctic Kimpex External Coil 01-112-01 Ignition (28.6% similar) New complex external ignition coil part this coil was used on the Arctic Cat snowmobiles with part...(February 10th, 2015)
• 01-400a Spi 1992 Arctic Cat (26.7% similar) Was the taps that bad. I opened the plastic to look at it,but never has been installed. A new aftermarket CID for Arctic Cat 440 prowler...(September 27th, 2017)
• 01-8923 Arctic Cat New Nos Snowmobile Electric Full Face Shield Wiring (23.7% similar) Please see photographs for best of cosmetic condition and style. Up for offer: new nos Arctic Cat snowmobile electric full face shield wiring cable cord plug...(March 31st, 2018)
• P10h Cat 702357 0100-054 Nos 1969 Plate Clutch Arctic Ramp Salsbury (20.9% similar) Questions call or BM at TM. Arctic Cat snowmobile Salisbury clutch ramp plate nos. Primary engine clutch vintage new old stock Salisbury this ramp plate fits Salisbury model 770 drive pulley part 100FITS panther P10H 246CC girth 82R panther 246H 246CC girth 82R and possibly other model's...(December 22nd, 2014)
• 0100-086 Arctic Cat Vintage Nos Salsbury (34.1% similar) Vintage Arctic Cat nos Salisbury drive clutch roller arm set. Genuine Arctic Cat, part number, Salisbury part number for Salisbury 770 and 780 series spider drive type clutches girth 1971 lynx 295 Jo 1971 lynx 303 Sachs 1971 lynx 340 girth will also fit these brands Alpert tracker 395 Jo with ...(December 17th, 2016)
• 1.25 Panther 0100-092 Drive Clutch Puma Arctic 100-092 Cat 45 Snowmobile Belt (28.3% similar) There is nothing worse for the both of us than buying a part that won't fit. Arctic Cat drive clutch belt oem Arctic Cat, Arctic Cat, Arctic Cat, Arctic Cat, Arctic Cat, Arctic Cat, dago max 1084, Aleut, Aleut, dago HP3015 length 44 width this will work on the following sleds Arctic Cat cheetah ...(January 30th, 2015)
• Nos Cat 703071 Idler 0100-107 Clutch Bearing Salsbury Arctic Vintage (17.2% similar) Genuine Arctic Cat part number, Salisbury part number fits all Arctic Cat model's using 910 series Salisbury drive clutches, will also fit other brands of snowmobiles that use these clutches. Vintage Arctic Cat Salisbury nos drive clutch idler bearing...(December 18th, 2014)
• 0100-188 Arctic Cat Vintage Nos Salsbury Drive Clutch Idler Bushing (34.8% similar) Vintage Arctic Cat nos drive clutch idler bushing. Genuine Arctic Cat, part number, Salisbury part number will also fit other brands of snowmobiles that use Salisbury 780 series spline drive clutches. Fits Salisbury 780 series spline drive clutches...(December 13th, 2016)