MERCURY Cylinder Head Bolt 10-35318 10-119671

( Manufacturer Part Number: 35318 ), ( Part Type: Cylinder Head Bolt )

Review MERCURY Cylinder Head Bolt Inch fits MERCRUISER MARINE

The Mercury 35318 Marine Mercruiser Cylinder Head Bolt is a vital component for maintaining the structural integrity and optimal performance of your Mercruiser engine. This specific bolt, identified by the part numbers 10-35318 and 10-119671, is designed to securely fasten the cylinder head to the engine block.

The Mercury Marine Cylinder Head Bolt is manufactured from high-strength material, ensuring it can withstand the immense pressure generated during engine operation. Its thread pattern conforms to the standard SAE J1524 Grade 7 specification, ensuring a secure and reliable connection with the engine components.

This bolt measures approximately 1.25 inches in length, with a diameter of 0.375 inches for the shank and a 0.500-inch diameter for the head. It features a hexagonal head design to allow for easy application of torque during installation using a standard socket and wrench.

The Mercury 35318 Marine Mercruiser Cylinder Head Bolt is designed to endure the rigors of marine environments, making it an ideal choice for use in boats and other watercraft applications. It comes with a protective coating to help prevent corrosion and ensure a long service life.

When installing this bolt, it's essential to adhere to the recommended torque specification provided by the engine manufacturer to ensure proper sealing and optimal engine performance. Using the correct installation tools and following the recommended procedures will help ensure the longevity of the bolt and the engine components it secures.

In summary, the Mercury 35318 Marine Mercruiser Cylinder Head Bolt is a critical component for maintaining the structural integrity and optimal performance of your Mercruiser engine. Its high-strength design, conformity to standard thread patterns, and marine-grade coating make it a reliable choice for use in marine applications.

Mercury 35318 Marine Mercruiser Cylinder Head Bolt: A Comprehensive Analysis

The Mercury 35318 Marine Mercruiser Cylinder Head Bolt (10-35318, 10-119671) is a critical component for marine engine repair or upgrade. This analysis aims to provide you with the pros and cons of purchasing this bolt to help you make an informed decision.

1. OEM Certification: This bolt is an Original Equipment Manufacturer (OEM) part, ensuring it is designed and engineered to fit and function optimally within the Marine Mercruiser engine system.

2. High-Quality Material: The bolt is made of durable, high-strength material, which can withstand the rigors of marine environments, including saltwater and temperature fluctuations.

3. Precise Fitment: The bolt's design matches the specifications of your Marine Mercruiser engine, ensuring a secure and proper installation.

4. Improved Engine Performance: By using genuine OEM parts like this bolt, you can help maintain or even improve the overall performance and longevity of your marine engine.

1. Cost: OEM parts can be more expensive than aftermarket alternatives. While this bolt may be a worthwhile investment for long-term performance and reliability, its cost might be a deterrent for some.

2. Availability: Depending on the location and supply chain, it might take some time to source and receive this OEM bolt.

The Mercury 35318 Marine Mercruiser Cylinder Head Bolt (10-35318, 10-119671) is a high-quality, OEM part that offers numerous benefits, such as precise fitment, durability, and improved engine performance. Its potential drawbacks include higher cost and potential availability issues. Ultimately, the decision to purchase this bolt depends on your priorities, budget, and the specific needs of your marine engine.

If your marine engine requires a cylinder head bolt upgrade or repair, and you prioritize long-term reliability and optimal performance, investing in the Mercury 35318 Marine Mercruiser Cylinder Head Bolt (10-35318, 10-119671) would be a recommended choice. However, if cost is a significant concern, you may consider exploring aftermarket alternatives, but ensure they meet the necessary specifications and quality standards for your marine engine application.

Details:

The Mercury Marine Mercruiser Cylinder Head Bolt is a high-quality replacement part designed specifically for stern drive motors. With a length of 3 inches and the manufacturer part number 10-35318, this bolt is essential for ensuring secure connection between cylinder head engine block, providing reliability performance on water. Made by the trusted brand Mercury, this cylinder head bolt is a durable and dependable component for your boats engine.

part #: 35318 prices

• $11.45-$47.62

specifications otsterndriv:

• for models: Marine, Mercruiser
• for makes: Mercury
• mpn: 35318
• part type: Cylinder Head Bolt

payments otsterndriv:

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

offer otsterndriv:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• best offers: True
• quantity: 2
• started: January 27, 2026

shipping otsterndriv:

• cost: $0.00
• type: Fixed
• carrier: USPS
• class: Standard
• transit: 3-7 Days
• service: USPS Ground Advantage

seller otsterndriv:

• # reviews: 168
• rating: 100.0%
• city: Springfield, Illinois

returns otsterndriv:

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

general otsterndriv:

• Boat Parts > Sterndrive Motors Components > Other
• condition: New

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