SIERRA MARINE 18-5317 Ignition Contact Point Set 64850 87-71831

( Brand: Sierra Marine ), ( Part Type: Ignition ), ( Manufacturer Part Number: 18-5317 ), ( Country Of Origin: United States )

Review SIERRA MARINE Ignition Contact Point Set fits MERCRUISER

Introducing the Sierra Marine 18-5317 Ignition Contact Point Set, an essential replacement component for MerCruiser engines with part numbers 64850 and 87-71831. This contact point set is designed to ensure reliable ignition system performance in your marine vessel.

The Sierra Marine 18-5317 Ignition Contact Point Set is meticulously engineered to meet the demanding requirements of marine applications. Crafted from high-quality materials, the contact points deliver superior conductivity and durability, even in the harshest marine environments. The contacts are precision machined to provide an accurate and consistent spark, ensuring optimal engine performance.

This ignition contact point set includes two contact points, two retainers, and two insulators. Each contact point features a copper alloy tip that wears evenly and provides excellent conductivity. The retainers are designed to securely hold the contact points in place, while the insulators ensure that the contact points maintain proper clearance for efficient spark transfer.

Installation of the Sierra Marine 18-5317 Ignition Contact Point Set is a straightforward process, making it an ideal choice for DIY boat owners or professional technicians. The set comes with clear installation instructions to guide you through the process. Additionally, the Sierra Marine contact point set is a direct replacement for the MerCruiser OEM part numbers 64850 and 87-71831, ensuring a perfect fit and eliminating the need for additional modifications.

In summary, the Sierra Marine 18-5317 Ignition Contact Point Set is an essential upgrade for MerCruiser engines with part numbers 64850 and 87-71831. This high-quality contact point set delivers improved ignition system performance, durability, and ease of installation, ensuring your marine vessel continues to run smoothly and efficiently.

Pros and Cons of Buying Sierra Marine 18-5317 Ignition Contact Point Set for Mercruiser 64850 87-71831

The Sierra Marine 18-5317 Ignition Contact Point Set is a replacement part designed for Mercruiser engines, specifically model 64850 with part number 87-71831. While this part is essential for ensuring proper ignition system function, it's crucial to weigh its advantages and disadvantages before making a purchase.

1. Improved Performance: A worn-out or faulty ignition contact point set can negatively impact engine performance. Replacing this part with a new one can help restore the engine's power and efficiency.

2. Safety: A malfunctioning ignition system can pose safety risks, such as engine misfires or poor idle quality. Replacing the ignition contact point set can help prevent such issues.

3. Cost-Effective: Compared to the cost of replacing the entire ignition system, a contact point set replacement is a more cost-effective solution for addressing ignition issues.

4. Long-Lasting: The Sierra Marine 18-5317 Ignition Contact Point Set is designed to provide long-lasting performance, reducing the need for frequent replacements.

1. Installation Complexity: Installing the ignition contact point set requires some mechanical skills and knowledge. If you're not confident in your abilities, it may be best to hire a professional.

2. Potential for Damage: During the installation process, there's a risk of damaging other engine components. Proceed with caution to minimize the likelihood of such damage.

3. Cost: While the contact point set is a cost-effective solution compared to a full ignition system replacement, it still requires an investment. Be sure to consider the overall cost and your budget before making the purchase.

The Sierra Marine 18-5317 Ignition Contact Point Set is an essential replacement part for maintaining the proper functioning of your Mercruiser engine. While it comes with some challenges, such as installation complexity and cost, its benefits, including improved performance, safety, and long-term durability, outweigh the cons. If you're experiencing ignition issues or looking to prevent potential problems, investing in this part can help keep your engine running smoothly.

If you're confident in your mechanical skills and comfortable with the installation process, purchasing the Sierra Marine 18-5317 Ignition Contact Point Set can be a cost-effective solution for addressing ignition issues. Alternatively, consider hiring a professional to ensure a proper installation and minimize the risk of damage to other engine components. Ultimately, the decision to purchase this part depends on your comfort level with engine repairs, your budget, and the severity of the ignition issues you're experiencing.

Details:

This is a new part in the factory package. Up for sale is a Sierra Marine contact point set part number 18-5317.

part #: 185317 prices

• $12.99-$15.99

specifications vesselveep:

• for models: Mercruiser
• brand: Sierra Marine
• part type: Ignition
• manufacturer part number: 18-5317
• country of origin: United States

offer vesselveep:

• sold: 0
• quantity: 1
• options: Ship-to-home
• started: April 12, 2026
• availability: In Stock

shipping vesselveep:

• carrier: USPS
• transit: 4-8 Days
• type: Calculated
• service: USPS Ground Advantage
• cost: $0.00
• class: Standard

general vesselveep:

• condition: New
• Parts Accessories > Boat Parts > Other

seller vesselveep:

• rating: 100.0%
• # reviews: 13282
• city: Mesa, Arizona

returns vesselveep:

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

payments vesselveep:

• other
• credit card: Visa
• wallet: Paypal

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