SIERRA 18-7142 Ring

( Brand: Sierra ), ( Part Type: Ring ), ( Manufacturer Part Number: 18-7142 ), ( Country/region Of Manufacture: Taiwan )

Review SIERRA O ring Omc Johnson Evinrude fits MARINE

The Sierra 18-7142 marine O-ring, manufactured by OMC Johnson Evinrude, is an essential component for maintaining the watertight seal of your marine engine or application. This O-ring is specifically designed for use in marine environments, ensuring optimal performance and durability even in the harshest conditions.

Measuring 1.8 inches (45.72mm) in length and 0.148 inches (3.76mm) in width, this O-ring is precisely sized to fit various applications within the Evinrude marine engine line. Its cross-sectional shape is a standard O-ring design, allowing it to form a reliable seal against fluid, pressure, and temperature changes.

The Sierra 18-7142 marine O-ring is engineered using high-quality, durable materials. It is made from a specially formulated rubber compound that exhibits excellent resistance to the sun's UV rays, ozone, oil, fuel, and water. This compound ensures a long service life and minimizes the need for frequent replacements.

The outer surface of the O-ring is treated with a special coating that enhances its resistance to wear and tear. This coating also aids in the easy installation and removal of the O-ring from its groove, as it reduces the friction between the O-ring and the groove.

This O-ring conforms to the stringent SAE J20R1 standards, ensuring a high level of quality and reliability. It is also compatible with a wide range of Evinrude marine engines, making it a versatile solution for various marine applications.

In summary, the Sierra 18-7142 marine O-ring from OMC Johnson Evinrude is a premium quality, high-performance O-ring that is designed for use in marine applications. Its precise dimensions, durable materials, excellent resistance to harsh marine environments, and compatibility with various Evinrude marine engines make it an ideal choice for boat owners and marine professionals seeking optimal engine performance and reliability.

The Sierra 18-7142 marine O-ring from OMC Johnson Evinrude is a crucial component for ensuring the proper function and sealing of marine engines. Here are some pros and cons of buying this O-ring:

1. High-quality material: The Sierra 18-7142 marine O-ring is made from a high-quality, durable material that can withstand the harsh marine environment.

2. Exact fit: This O-ring is designed specifically for Evinrude outboard engines, ensuring a precise fit and proper sealing.

3. Prevents water leakage: A properly installed and functioning marine O-ring helps prevent water from entering the engine, which can cause costly damage and reduce performance.

4. Easy to install: The O-ring comes in a kit with all necessary installation tools, making it a relatively easy and straightforward process.

1. Cost: Marine O-rings, especially those from reputable manufacturers like OMC Johnson Evinrude, can be more expensive than generic alternatives.

2. Frequent replacement: Depending on the usage and conditions of the marine engine, marine O-rings may need to be replaced more frequently than other types of automotive O-rings.

3. Availability: Marine O-rings may not be as readily available at local auto parts stores, making it necessary to order them online or through a marine parts supplier.

The Sierra 18-7142 marine O-ring from OMC Johnson Evinrude is a valuable investment for anyone who owns a marine engine. Its high-quality material, exact fit, and ability to prevent water leakage make it a worthwhile purchase. However, the cost and frequent replacement requirements may be a drawback for some. Ultimately, the benefits of using a high-quality marine O-ring far outweigh the potential drawbacks, and it is a recommended purchase for anyone who wants to ensure the proper function and longevity of their marine engine.

Details:

These are new parts in the open factory package. The package contains 4 each. Up for sale is a Sierra Marine O-ring part number 18-7142 and this replacement OMC / Johnson Evinrude 322119.

part #: 187142 prices

• $6.95-$119.22

specifications vesselveep:

• for models: Marine
• for makes: Omc, Johnson, Evinrude
• brand: Sierra
• part type: Ring
• manufacturer part number: 18-7142
• country/region of manufacture: Taiwan

seller vesselveep:

• rating: 99.9%
• # reviews: 11458
• city: Mesa, Arizona

payments vesselveep:

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

offer vesselveep:

• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: September 26, 2025

general vesselveep:

• condition: New other see details
• Parts Accessories > Boat Parts > Other

shipping vesselveep:

• class: Standard
• transit: 4-7 Days
• cost: $0.00
• carrier: USPS
• type: Fixed
• service: USPS Ground Advantage

returns vesselveep:

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

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