SP1 6939-S395719-99 Crankshaft Bearing

( Brand: Sp1 ), ( Manufacturer Part Number: 6939-S395719-99 ), ( Part Type: Bearing Crankshaft )

Review SP1 Crankshaft Bearing Polaris Snowmobile fits CLASSIC 550 2002–2006

The SP1 6939-S395719-99 crankshaft bearing is a crucial component for the Polaris 550 Classic Snowmobiles manufactured between the years 2002 and 2006. This high-quality replacement part is designed to ensure a smooth and efficient operation of the engine.

The crankshaft bearing is a circular component that supports the crankshaft, which is the main component that converts the linear motion of the engine into the rotational motion required to turn the snowmobile track. The bearing itself is a precision-machined piece of steel with an inner and outer race, and a rolling element, usually ball bearings, in between. The bearing's role is to minimize friction and wear between the crankshaft and the engine block, allowing for a long-lasting and reliable performance.

The SP1 6939-S395719-99 crankshaft bearing is an OEM (Original Equipment Manufacturer) replacement part, meaning it is identical to the original part that came with the snowmobile when it was new. It is engineered and manufactured to meet the same stringent specifications as the original part to ensure a perfect fit and optimal function.

This crankshaft bearing features a robust design that can withstand the rigors of snowmobiling, including the extreme temperatures, vibrations, and heavy loads. It is also manufactured to meet the highest standards of quality, ensuring that it will perform reliably and effectively for the life of the snowmobile.

Installing the SP1 6939-S395719-99 crankshaft bearing is a straightforward process that can be done by following the instructions provided in the user manual or by consulting a professional mechanic. It's essential to ensure that the old bearing is removed properly and that the new bearing is installed correctly to prevent any potential damage to the engine.

In summary, the SP1 6939-S395719-99 crankshaft bearing is a high-quality replacement part designed specifically for the Polaris 550 Classic Snowmobiles manufactured between the years 2002 and 2006. It is a crucial component that supports the crankshaft and ensures a smooth and efficient operation of the engine. This OEM replacement part is engineered and manufactured to the same stringent specifications as the original part to ensure a perfect fit and optimal function.

Pros and Cons of Buying a Crankshaft Bearing (SP1 6939-S395719-99) for a 2002-2006 Polaris 550 Classic

i. OEM Replacement: This crankshaft bearing is an Original Equipment Manufacturer (OEM) part, ensuring a perfect fit and function as designed by Polaris.

ii. Reliability: A genuine OEM part guarantees consistent performance and durability.

iii. Long-Term Solution: Investing in an OEM crankshaft bearing can save money in the long run by avoiding potential issues and additional repairs caused by aftermarket parts.

i. Cost: OEM parts are generally more expensive than aftermarket alternatives due to the brand name and quality.

ii. Availability: Depending on the supplier, it may take longer to obtain an OEM part compared to an aftermarket one.

When deciding whether to buy the SP1 6939-S395719-99 crankshaft bearing for a 2002-2006 Polaris 550 Classic, it's essential to consider both the pros and cons. The OEM part offers a guaranteed fit, reliability, and long-term solution. However, it comes at a higher cost and potentially longer lead time compared to aftermarket alternatives.

If your priority is ensuring the best possible fit and performance for your Polaris 550 Classic, and you have the budget for it, purchasing the OEM crankshaft bearing (SP1 6939-S395719-99) is a recommended choice. For those on a tighter budget or who prefer a more expedient solution, an aftermarket part may be a viable alternative but may require additional research to ensure compatibility and quality.

Details:

This is helpful if you are buying multiple items. Compatibility: Years: Make: model: Application: Notes: 1997 - 1997 Polaris440 XC, 1999 2000 Polaris500 Classic, 1987 1988 Polaris400 SKS, 1992 1997 Polaris440, 1992 Polaris500 SPX, 2002 2003 Polaris440 Pro X Fan, 1985 1991 Polaris4 2006 Polaris550 1988 1990 Polaris650 RMK, 1995 1997 Polaris500 1998 Polaris Classic, 1995 Polaris440 2000 Polaris600 Triumph, 1987 Polaris6 1985 Polaris600 SE, XCR, 1996 Polaris600 1994 1996 Polaris440 XCR SP, 1996 2000 Polaris Classic Touring, 1990 1994 Polaris650 RXL, 1997 Polaris600 1991 Polaris650.: Brand: SP1, model Number: 6939-S395719-99. Parts without fitment are to be assumed universal and may require vehicle modification.

I need to exchange an item. SP1 Crankshaft Bearing for 2002 - 2006 Polaris 550 Classic Snowmobile.

part #: 6939s39571999 price

• $40.91

specifications enginesnowmobile:

• for models: 550, Classic
• for makes: Polaris
• for years: 2002-2006
• brand: Sp1
• mpn: 6939-s395719-99
• part type: Bearing Crankshaft

payments enginesnowmobile:

• credit card: Visa
• other
• wallet: Paypal

returns enginesnowmobile:

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

general enginesnowmobile:

• condition: New
• Snowmobile Parts > Engines Components > Snowmobile Engine Components

offer enginesnowmobile:

• quantity: 9
• availability: In Stock
• options: Ship-to-home
• sold: 0
• started: September 28, 2025

seller enginesnowmobile:

• # reviews: 66535
• city: Boise, ID
• rating: 99.6%

shipping enginesnowmobile:

• transit: 3-6 Days
• service: Standard
• cost: $0.00
• type: Fixed
• class: Standard

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