OMC 308457 Crankshaft Nut Nos

( Part Type: Crankshaft ), ( Manufacturer Part Number: 308457 )

Review OMC Crankshaft Nut Nos

The OMC 308457 crankshaft nuts are essential components in the engine assembly of Outboard Marine Corporation (OMC) engines. These nuts are specifically designed to secure the crankshaft to the engine block, ensuring the proper alignment and stability of the engine's rotating components.

These crankshaft nuts are manufactured using high-strength materials, such as chromium-molybdenum steel, to provide superior load-bearing capacity and resistance to corrosion. They feature a hexagonal shape and a 1-1/16 inch (15.3 mm) hexagonal socket head, allowing for easy application of torque during installation using standard socket wrenches. The nuts also have a thread pitch of 12 points per inch (12 PPI) and a thread diameter of 1.25 inches (31.8 mm).

The OMC 308457 crankshaft nuts come in sets of various quantities, depending on the specific engine model and configuration. Each nut is meticulously inspected and tested to ensure that it meets OMC's stringent quality standards. The nuts are also packaged in protective materials to prevent damage during shipping and handling.

Installation of the OMC 308457 crankshaft nuts requires proper preparation of the engine components, including the crankshaft, engine block, and connecting rods. It is essential to follow the manufacturer's instructions carefully during the installation process to ensure that the nuts are properly torqued and secured. Proper installation of these nuts is critical to the overall performance and longevity of the OMC engine.

In summary, the OMC 308457 crankshaft nuts are crucial components in the assembly of OMC outboard engines. These nuts are manufactured using high-strength materials, have a hexagonal socket head and 12 PPI thread pitch, and are designed to secure the crankshaft to the engine block. They are available in various quantities and are packaged to ensure protection during shipping and handling. Proper installation is essential for optimal engine performance and longevity.

Pros and Cons of Buying OMC 308457 Crankshaft Nuts

The OMC 308457 crankshaft nut is a crucial component in the marine engine repair or rebuild process. These nuts secure the crankshaft to the engine block, ensuring proper engine operation. In this article, we will discuss the pros and cons of buying OMC 308457 crankshaft nuts.

1. Original Equipment: OMC 308457 crankshaft nuts are original equipment manufacturer (OEM) parts. Using OEM parts ensures a proper fit, function, and durability.

2. High-Quality Material: These nuts are typically made of high-strength materials, such as chrome molybdenum steel or stainless steel, which provide superior resistance to corrosion and fatigue.

3. Proper Torque Specification: OMC 308457 crankshaft nuts come with a torque specification and installation instructions, ensuring they are installed correctly and securely.

1. Cost: OMC crankshaft nuts can be more expensive than aftermarket alternatives. This may be a concern for budget-conscious individuals or small engine repair shops.

2. Availability: Depending on the location and engine model, OMC crankshaft nuts may be difficult to find locally, requiring an online search or contacting a marine engine parts supplier.

3. Lead Time: Ordering OMC crankshaft nuts from a supplier may result in a longer lead time compared to purchasing aftermarket alternatives from a local auto parts store.

When considering the purchase of OMC 308457 crankshaft nuts, it is essential to weigh the pros and cons carefully. While these nuts may be more expensive and less readily available than aftermarket alternatives, they offer the benefits of original equipment quality, high-strength materials, and proper torque specification. Ultimately, the decision to purchase OMC crankshaft nuts depends on the importance of these benefits and the specific needs of your marine engine repair or rebuild project.

If the budget allows and the project requires the highest level of quality and durability, purchasing OMC 308457 crankshaft nuts is recommended. If budget is a concern, consider purchasing aftermarket alternatives from a reputable supplier, ensuring they meet the proper torque specification for your engine.

part # 308457 prices

• $12.99-$19.47

specifications scowware:

• for makes: Omc
• part type: Crankshaft
• manufacturer part number: 308457

general scowware:

• Parts Accessories > Boat Parts > Deck Cabin Hardware
• condition: New other see details

shipping scowware:

• type: Calculated
• class: Standard, Expedited, One-day
• carrier: USPS, UPS
• cost: $0.00
• service: USPS Ground Advantage, USPS Priority Mail Flat Rate Envelope, UPS Next Day Air, UPS 2nd Day Air
• transit: 6-11 Days

seller scowware:

• rating: 99.9%
• # reviews: 124308

returns scowware:

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

payments scowware:

• other
• credit card: Diners-club
• wallet: Paypal

offer scowware:

• availability: In Stock
• quantity: 3
• best offers: True
• started: January 17, 2026
• sold: 0
• options: Ship-to-home

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