SIERRA 57-861757 Belt Serpentine 4.3L 5.0L 5.7L 97.5

( Brand: Sierra ), ( Manufacturer Part Number: 57-861757 ), ( Part Type: Belt ), ( Replaces: 861757, 861757q, 9-55023 )

Review SIERRA 4.3l 5.0l 5.7l Belt Serpentine 97.5 Inch Long fits MERCRUISER 1998–2000

Introducing the Sierra 57-861757 Mercruiser Serpentine Belt Kit, specifically designed for Mercruiser engines with a displacement of 4.3L, 5.0L, or 5.7L and manufactured between 1998 and 2000. This belt kit is an essential component of your engine's cooling and charging systems.

The Sierra 57-861757 Mercruiser Serpentine Belt Kit includes all necessary components for a complete replacement. It consists of a new serpentine belt, a new tensioner, and new idler pulleys. The serpentine belt is made from high-quality rubber compound that ensures exceptional strength, durability, and resistance to wear and tear. It's designed with an adequate amount of ribs and grooves to effectively drive all the necessary engine accessories, such as the water pump, alternator, power steering pump, and air conditioning compressor.

The tensioner in this kit is a new, heavy-duty design that ensures the optimal tension of the serpentine belt. It's designed to minimize the belt's slippage, which results in improved performance and increased longevity of the engine components. The new idler pulleys are also included in the kit, ensuring a perfect fit and efficient belt alignment.

This belt kit is an excellent choice for boat owners who want to keep their Mercruiser engines running smoothly and efficiently. By replacing the worn-out serpentine belt and its associated components, you can prevent potential engine damage, improve fuel economy, and maintain optimal performance. Additionally, this kit is backed by the manufacturer's warranty, ensuring peace of mind and confidence in your purchase.

In summary, the Sierra 57-861757 Mercruiser Serpentine Belt Kit is a must-have for boat owners with Mercruiser engines from 1998 to 2000. It includes a new serpentine belt, tensioner, and idler pulleys, all designed to provide superior strength, durability, and optimal performance. This kit is an investment in the longevity and efficiency of your engine, and it comes with the added peace of mind of a manufacturer's warranty.

The MerCruiser 4.3L, 5.0L, and 5.7L belt serpentine systems were used in Sierra boats between the years 1998 and 2000. Here are some pros and cons of buying this particular marine engine component.

1. Reliability: MerCruiser engines are known for their durability and reliability. This serpentine belt system is no exception.

2. Easy installation: The serpentine belt system simplifies the installation process by combining the functions of multiple belts into one.

3. Cost-effective: Replacing the entire serpentine belt system is often more cost-effective than replacing individual belts.

4. Long service life: With proper maintenance, these belt systems can last for several years.

1. Limited availability: Finding a replacement serpentine belt system for older models like the 1998-2000 Sierra boats can be challenging.

2. Complexity: The serpentine belt system is more complex than traditional belt setups, making it potentially more difficult to diagnose and repair.

3. Cost: Replacing the entire serpentine belt system can be more expensive than replacing individual belts, especially if you cannot find a used or remanufactured option.

When considering buying a MerCruiser 4.3L, 5.0L, or 5.7L belt serpentine system for a 1998-2000 Sierra boat, it's important to weigh the pros and cons. The reliability, ease of installation, and cost-effectiveness are significant advantages, but the limited availability and potential complexity may deter some buyers. Ultimately, the decision depends on your specific needs and budget.

If you have access to a reliable supplier of marine engine parts, or if you're comfortable with the potential complexity of the serpentine belt system, then this could be an excellent choice. However, if you're unsure about the availability of the part or your ability to diagnose and repair any issues that might arise, it may be worth considering alternative options, such as individual belt replacements or upgrading to a more modern engine with a more widely available belt system.

Details:

Condition: New. HAZARDOUS PRODUCTS HAZMAT: 1 Carriers charge extra to ship packages with products they consider hazardous, such as oils, paints, and primers. Mercruiser 4.3L 5.0L 5.7L 57-861757 Belt Serpentine 97.5 Long 1998 2000 Sierra: Thumbnails to: PRODUCT SPECIFICATIONS: Brand: Sierra. Below the price of item.

We answer questions quickly. Manufacturer PN: 57-861757. Replaces: 861757, 861757Q, 9-55023.

part #: 57861757 prices

• $91.92-$139.17

specifications intengster:

• for models: Mercruiser
• for years: 1998-2000
• brand: Sierra
• mpn: 57-861757
• part type: Belt
• replaces: 861757, 861757q, 9-55023

shipping intengster:

• type: Calculated
• cost: $13.74
• transit: 4-10 Days
• carrier: USPS, UPS
• service: USPS Priority Mail, UPS Ground, USPS Ground Advantage, USPS Priority Mail Express
• class: Expedited, Standard

general intengster:

• Boat Parts > Sterndrive Motors Components > Internal Engine Parts
• condition: New

returns intengster:

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

seller intengster:

• city: Hollywood, Florida
• # reviews: 78358
• rating: 99.5%

payments intengster:

• other
• credit card: Diners-club
• wallet: Apple-pay

offer intengster:

• availability: In Stock
• sold: 0
• started: May 5, 2026
• quantity: 2
• options: Ship-to-home

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