DAYCO SX3878 Drive Belt High Performance Ski Doo 670

( Brand: Dayco ), ( Part Type: Drive Belt ), ( Manufacturer Part Number: SX3878 ), ( Item Width: 6.000 ), ( Ipn: M174 36-54 ), ( Item Height: 1.500 ), ( Item Length: 16.750 )

Review DAYCO Drive Belt Ski doo 670 High Performance Oa fits SUMMIT HPX 1998–1999

The Dayco SX3878 HPX drive belt is an ideal replacement option for the drive belt on 1998 and 1999 Ski-Doo Summit 670 High Performance models. This belt is specifically engineered to meet the demands of these snowmobiles, delivering excellent performance and durability.

The HPX drive belt is made with a unique, high-performance rubber compound that provides superior flexibility and resistance to wear and tear. It features a proprietary design with a V-ribbed profile that ensures optimal power transmission between the engine and the clutch, resulting in improved acceleration and overall performance.

This belt also boasts a reinforced edge design that enhances its durability and resistance to cutting and tearing. The edge is reinforced with a special material that helps to prevent belt slippage and prolongs its lifespan.

The Dayco SX3878 HPX drive belt is easy to install, with a straightforward design that allows for quick and easy replacement. It comes with all necessary belt tensioners and other required components for a hassle-free installation process.

This belt is specifically designed for Ski-Doo Summit 670 High Performance models with the OA (Over-the-Engine) belt configuration. It is important to note that using the incorrect belt can result in poor performance and potential damage to the snowmobile.

In summary, the Dayco SX3878 HPX drive belt is a high-quality replacement option for the drive belt on 1998 and 1999 Ski-Doo Summit 670 High Performance models. Its unique design features a high-performance rubber compound, a V-ribbed profile for optimal power transmission, and a reinforced edge for enhanced durability. It is easy to install and specifically designed for OA belt configurations on these models.

The Dayco SX3878 HPX drive belt is a replacement option for the drive belt on 1998 and 1999 Ski-Doo Summit 670 High Performance models. Here are some pros and cons to help you make an informed decision about purchasing this belt.

1. High Performance: The Dayco SX3878 HPX drive belt is specifically designed for high performance applications, making it an ideal choice for the Ski-Doo Summit 670.

2. Durability: This belt is engineered to provide long-lasting performance. It's made from high-quality materials that can withstand the rigors of regular use.

3. Precise Fit: Dayco is known for manufacturing belts with precise fits, ensuring that the SX3878 HPX will work seamlessly with your Ski-Doo Summit 670.

1. Cost: The Dayco SX3878 HPX drive belt may cost more than some aftermarket alternatives. However, its high-performance capabilities and durability may justify the additional expense.

2. Availability: Depending on your location, availability of this specific belt model may be limited. You may need to check with local dealers or order online.

In conclusion, the Dayco SX3878 HPX drive belt offers superior performance, durability, and a precise fit for your 1998 or 1999 Ski-Doo Summit 670 High Performance. While it may cost more than some alternatives, its high-quality construction and long-lasting performance may make it a worthwhile investment for those seeking optimal performance from their snowmobile. Ultimately, the decision to purchase this belt depends on your specific needs, budget, and availability. If performance and durability are your top priorities, the Dayco SX3878 HPX drive belt is a solid choice.

part # sx3878 prices

• $21.41-$130.88

specifications utvshift:

• for models: Hpx, Summit
• for makes: Ski-doo
• for years: 1998-1999
• brand: Dayco
• part type: Drive Belt
• manufacturer part number: SX3878
• item width: 6.000
• interchange part number: M174 36-54
• item height: 1.500
• item length: 16.750

general utvshift:

• ATV, Side-by-Side UTV Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain Parts
• condition: New

returns utvshift:

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

payments utvshift:

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

offer utvshift:

• sold: 0
• started: June 8, 2025
• availability: In Stock
• quantity: 2
• options: Ship-to-home

seller utvshift:

• # reviews: 189826
• rating: 98.6%

shipping utvshift:

• type: Fixed
• class: Standard, Expedited
• service: Standard, Expedited
• transit: 4-7 Days
• cost: $0.00

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