OMC Pack Nos Intake Gaskets Johnson/evinrude 0303484

( Brand: Omc ), ( Manufacturer Part Number: 303484 ), ( Part Type: Intake Gasket ), ( Custom Sku: R27b36 ), ( Country Of Origin: Mexico )

Review OMC Pack Nos Oem Genuine Johnson/evinrude Intake Gaskets

The **OMC 303484 Pack of Johnson/Evinrude Intake Gaskets** is a precision-engineered set of replacement seals designed specifically for high-performance outboard motors, ensuring optimal engine efficiency and longevity. This meticulously crafted gasket kit is tailored to fit a wide range of Johnson and Evinrude outboard models, including those from the E-TEC and E-TEC HP series, where intake system integrity is critical for maintaining peak performance. Each gasket in the pack is manufactured from high-quality, durable materials, including reinforced rubber and silicone compounds, which are engineered to withstand the demanding conditions of marine environments resisting oil, fuel, and water exposure while maintaining flexibility and resilience over extended periods of use. The gaskets are precision-cut to fit snugly within the intake manifold, carburetor, and throttle body interfaces, preventing leaks that could compromise engine airflow, fuel efficiency, or even cause catastrophic failure under heavy loads. Ideal for both professional mechanics and DIY enthusiasts, this gasket set is a straightforward yet essential upgrade for anyone looking to restore or enhance the reliability of their outboard engine. Whether replacing worn seals during routine maintenance or addressing leaks discovered during routine inspections, the **OMC 303484** ensures a tight, secure seal that helps preserve engine performance, reduce emissions, and extend the lifespan of critical components. Perfect for applications ranging from recreational fishing boats to high-speed performance vessels, this gasket pack is a must-have for anyone prioritizing engine health and operational efficiency.

### **Pros and Cons of Buying OMC 303484 Pack of Intake Gaskets (Johnson/Evinrude)**

1. **Compatibility** The OMC 303484 pack is specifically designed for Johnson and Evinrude outboard engines, ensuring a proper fit without modifications. This reduces the risk of leaks or improper sealing, which can damage the engine over time.

2. **Quality Materials** OMC (Outboard Marine Corporation) is a well-known brand in the marine industry, and their gaskets are typically made from high-quality rubber or silicone compounds. These materials are engineered to withstand heat, pressure, and exposure to water, oil, and fuel, extending the gasket s lifespan.

3. **Prevents Engine Damage** Worn or deteriorated intake gaskets can cause air leaks, leading to poor engine performance, reduced fuel efficiency, or even engine stalling. Replacing them with a new OMC pack ensures a tight seal, maintaining optimal engine function and preventing costly repairs.

4. **Easy Installation** The gasket pack is designed for straightforward installation, often requiring only basic tools. Many users report that replacing intake gaskets is a manageable DIY task, especially for those with some mechanical experience.

5. **Cost-Effective Maintenance** Compared to potential engine repairs caused by neglected gaskets, purchasing and installing a new OMC pack is a relatively inexpensive preventive measure. It helps avoid downtime and expensive diagnostics if leaks go unaddressed.

6. **Warranty Coverage** OMC products often come with manufacturer warranties, providing peace of mind in case of defects or premature failure. This can be particularly valuable if the gaskets fail shortly after installation.

7. **Performance Improvement** A properly sealed intake system ensures the engine receives the correct air-fuel mixture, which can improve throttle response, power output, and overall engine efficiency.

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1. **Limited Availability** Depending on your location, OMC parts may not be as widely stocked as generic or aftermarket alternatives. You might need to order online or visit specialty marine supply stores, which could involve shipping delays.

2. **Potential for Counterfeit Products** Since OMC is a branded part, there is a risk of purchasing counterfeit gaskets from untrusted sellers. Counterfeit products may not meet quality standards, leading to premature failure or leaks.

3. **Installation Challenges** While the installation is generally straightforward, some users may encounter difficulties if they lack experience with marine engine maintenance. Improper installation (e.g., misalignment or overtightening) can damage the gaskets or surrounding components.

4. **Cost Compared to Alternatives** While OMC gaskets are reasonably priced for a branded part, some budget-conscious buyers might consider generic or aftermarket gaskets as cheaper alternatives. However, these may not offer the same durability or compatibility guarantees.

5. **Time-Consuming for DIYers** Replacing intake gaskets requires removing the intake manifold, carburetor, or throttle body, which can be time-consuming, especially for those unfamiliar with the process. It may also require draining fuel or cooling systems, adding to the complexity.

6. **Environmental Exposure Risks** Even high-quality gaskets can degrade over time due to prolonged exposure to UV light, saltwater, and temperature fluctuations. If the boat is stored improperly or used in harsh conditions, the gaskets may wear out faster than expected.

7. **Mixed Reviews on Longevity** Some users report that OMC gaskets hold up well under normal conditions, while others note that they may need replacement sooner if the engine is heavily used or exposed to extreme conditions. Longevity can vary based on maintenance and operating conditions.

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The OMC 303484 intake gasket pack is a reliable and well-suited replacement for Johnson/Evinrude outboard engines. Its primary advantages lie in its compatibility, quality, and role in preventing engine damage, making it a worthwhile investment for maintaining optimal performance. However, potential buyers should consider factors like availability, installation ease, and the risk of counterfeit products. For most users, the benefits outweigh the drawbacks, especially when compared to the potential consequences of neglecting gasket replacement.

If you are experiencing symptoms such as rough idling, air leaks, or reduced power from your Johnson/Evinrude engine, replacing the intake gaskets with the OMC 303484 pack is a prudent choice. Purchase from an authorized dealer or a trusted online retailer to avoid counterfeit products. If you are not confident in performing the installation yourself, consult a marine mechanic to ensure proper fitting and sealing. Regular maintenance, including gasket checks, will extend the life of your engine and prevent costly repairs in the long run.

Details:

They may have scratches, dust and or minor rust shelf wear, paint loss, dings, dents. They are normally dirty so expect them to have some grease, grime and or rust on. Nos Oem Genuine Omc Johnson/Evinrude Intake Gaskets. If listing is for new old stock parts.

Will get parts as pictured. If this listing is for used parts. Opened or missing original packaging. Check pictures to make sure you are OK with condition before buying.

part #: 303484 prices

• $5.99-$13.49

specifications ouboaen:

• for makes: Johnson, Evinrude, Omc
• brand: Omc
• mpn: 303484
• part type: Intake Gasket
• custom sku: R27b36
• country of origin: Mexico

seller ouboaen:

• rating: 99.9%
• # reviews: 16323
• city: Levering, Michigan

general ouboaen:

• condition: New other see details
• Boat Parts > Outboard Engines Components > Other

payments ouboaen:

• credit card: Discover
• wallet: Apple-pay
• other

offer ouboaen:

• sold: 0
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: March 20, 2026

shipping ouboaen:

• class: Standard, Expedited
• cost: $7.95
• carrier: USPS, FedEx
• type: Calculated
• transit: 4-7 Days
• service: USPS Ground Advantage, USPS Priority Mail, FedEx Ground / FedEx Home Delivery

returns ouboaen:

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

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