OMC 0302539 Seal Spring

( Brand: Omc ), ( Manufacturer Part Number: 0302539 ), ( Part Type: Seal Spring )

Review OMC New Oem Evinrude Johnson Seal Spring #0302539 #302539

The **OMC 0302539 Evinrude/Johnson Seal Spring** is a precision-engineered replacement component designed to ensure optimal performance and longevity for Evinrude and Johnson outboard motors, particularly those equipped with the 200 series or compatible models. This high-quality seal spring is crafted from durable, corrosion-resistant materials, engineered to withstand the harsh conditions of marine environments, including exposure to saltwater, UV radiation, and fluctuating temperatures. Its primary function is to maintain proper tension on the internal seals within the motor s powerhead, preventing leaks, reducing friction, and minimizing wear on critical components such as the crankshaft and thrust washers. The spring s design incorporates a tight, consistent coil pattern that guarantees reliable sealing pressure, even after prolonged use or exposure to abrasive contaminants. Whether installed in a recreational boat, a fishing vessel, or a performance watercraft, this seal spring plays a pivotal role in preserving the integrity of the motor s internal systems, thereby extending the engine s operational lifespan and maintaining peak efficiency. For marine enthusiasts and professionals alike, investing in this genuine OMC part ensures a seamless fit and superior performance, aligning with the brand s reputation for durability and dependability in demanding aquatic settings.

### **Pros and Cons of buying a OMC 0302539 Evinrude Johnson Seal Spring (302539)**

1. **Compatibility and Fit:** This seal spring is specifically designed for Evinrude and Johnson outboard motors, ensuring a proper fit and preventing leaks when installed correctly. It is part of the OMC (Outboard Marine Corporation) brand, which is a trusted manufacturer for marine components.

2. **Durability:** The seal spring is made from high-quality materials, likely stainless steel or a durable alloy, which helps maintain elasticity and prevent corrosion over time. This extends the lifespan of the seal and reduces the risk of premature failure.

3. **Easy Installation:** As a standard replacement part, it is designed to be straightforward to install, especially if you have basic mechanical skills or access to a mechanic. It typically fits into the water intake or impeller area of the motor, where it helps seal the shaft and prevent water ingress.

4. **Cost-Effective:** Compared to the cost of replacing an entire impeller or motor seal assembly, this individual part is relatively inexpensive. This makes it a practical solution for minor wear or damage rather than a full overhaul.

5. **Prevents Water Damage:** A failing seal spring can allow water to enter the motor s internal components, leading to corrosion, reduced performance, or even motor failure. Replacing it proactively can save you from more expensive repairs down the line.

6. **Widely Available:** Since it is a common OMC part, it can be easily sourced from marine supply stores, online retailers, or directly from OMC s website or authorized dealers. This ensures availability and quick replacement.

---

1. **Potential for Counterfeit Parts:** Since it is a widely available part, there is a risk of purchasing a counterfeit or low-quality replica. Always buy from reputable sellers to avoid issues like premature failure or poor sealing.

2. **Requires Proper Installation:** If not installed correctly, the seal spring may not function as intended. Improper installation could lead to leaks, reduced efficiency, or even damage to the motor. This may require professional help if you are unfamiliar with the process.

3. **Wear and Tear Over Time:** Even high-quality seal springs will eventually wear out, especially if the motor is used frequently or in harsh conditions (e.g., saltwater, debris, or extreme temperatures). Regular inspection and replacement are necessary.

4. **Limited Lifespan:** The lifespan of the seal spring depends on usage, maintenance, and environmental factors. In some cases, it may need replacement every few years or after a certain number of hours of operation.

5. **Additional Costs:** While the part itself is affordable, you may incur labor costs if you hire a professional to install it. Additionally, if the motor has other underlying issues (e.g., worn bearings or impeller damage), addressing those will require further investment.

6. **Environmental Impact:** If the seal spring is not disposed of properly, it could contribute to marine pollution. Ensure it is recycled or disposed of according to local regulations.

---

The OMC 0302539 Evinrude Johnson seal spring is a practical and cost-effective solution for maintaining the integrity of your outboard motor s sealing system. Its compatibility, durability, and ease of installation make it a reliable choice for preventing water damage and ensuring smooth motor operation. However, its effectiveness depends on purchasing a genuine part, proper installation, and regular maintenance. While it is not a permanent fix given that all seals eventually wear out it is a wise investment for extending the life of your motor and avoiding costly repairs.

If your Evinrude or Johnson outboard motor is experiencing leaks, unusual noise, or reduced performance, this seal spring is a strong candidate for replacement. To ensure the best results:

- Purchase the part from an authorized OMC dealer or a trusted marine supply store to avoid counterfeits.

- Follow the manufacturer s installation guidelines carefully, or consult a professional if you are unsure.

- Inspect the motor regularly for signs of wear or damage to other components, such as the impeller or shaft seals.

- Consider replacing the spring as part of routine maintenance, especially if the motor is used frequently or in harsh conditions.

For most DIY-savvy boat owners, replacing this seal spring is a manageable task that can save time and money in the long run. If you are not comfortable with the installation, hiring a marine mechanic is a worthwhile investment to ensure the job is done correctly.

Details:

This seal spring is designed to fit specific outboard engine model's and an essential component for maintaining the sealing functioning of. The product is a new OMC OEM Evinrude Johnson Seal Spring with the manufacturer part number 0302539.

part #: 0302539 prices

• $8.14-$10.00

specifications ouboaen:

• for makes: Evinrude, Johnson, Omc
• brand: Omc
• mpn: 0302539
• part type: Seal Spring

offer ouboaen:

• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home
• started: June 2, 2026

shipping ouboaen:

• carrier: Send
• class: Standard
• transit: 2-6 Days
• cost: $0.00
• service: Standard, Standard Envelope for eligible items up to $20
• type: Fixed

seller ouboaen:

• rating: 99.7%
• city: Black River Falls, Wisconsin
• # reviews: 421

payments ouboaen:

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

general ouboaen:

• Boat Parts > Outboard Engines Components > Cowlings Housings
• condition: New

returns ouboaen:

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

Omc 0302539 Is Similar To:

• 0123278 0123610 Omc Johnson Evinrude Outboard Motor Binnacle Control Box Handle Kit (28% similar) New handle kit fits single and dual mount binnacle controls...(May 28th, 2018)
• 0127084 Brp Evinrude Johnson Omc Stringer Thrust Washer (48.3% similar) Thrust washer...(July 2nd, 2018)
• 0173298 Omc Johnson Evinrude Emergency Ignition Shut Off Switch Nos (34.8% similar) Omc,evinrude,johnson new shut off stop switch kit. These kits are new old stock, they have not been used or opened, this product is no longer in production. Part number: 0173298RETAIL: 22...(March 2nd, 2019)
• 0174033 Omc New Johnson Evinrude (37.1% similar) New oem switch and connector am. If you choose the slow cheap option will get exactly what pay for...(April 30th, 2017)
• 0174811 174811 Johnson Evinrude Omc Stainless Prop Lh Outboard Propeller (29.2% similar) Condition: used but in good condition and guaranteed to function properly. Part: johnson evinrude stainless LHS counter rotation viper prop x 19P v6 outboard propeller fits various motor parts. Pb please see included pictures...(October 30th, 2018)
• 0176360 176360 Omc Horn Assy Johnson Evinrude (29.1% similar) Part: 2004 -2005 prices...(March 17th, 2019)
• 0176361 176361 Omc Part Horn Kit Ay Instructions Oem (15.4% similar) New in package...(November 29th, 2018)
• 0176461 Omc Nos Johnson Evinrude Remote Oil Fill Kit (35.9% similar) New Omc item in box...(November 29th, 2018)
• 0176711 176711 0768411 768411 0176711 176711 0768411 Johnson-evinrude-omc-brp 745419070984 (27.1% similar) Never installed or used...(September 11th, 2017)
• 0177284 Evinrude Brp Omc Johnson Outboard Gallon Remote Oil Tank Sensor (36.8% similar) Omc, evinrude, johnson e-etc outboard motor 3 gallon remote oil tank w bracket. Mounting bracket not included. Good for all Omc, evinrude, johnson model's including e-etc will work with Fichte oil sensor has continuity...(January 7th, 2019)
• 0203362 Omc Evinrude Johnson 203362 (50% similar) Evinrude johnson cam follower roller and shaft fits diameter 5HP 1957 only fits 10HP 1961 18HP only 1961 ROLLER is...(January 12th, 2018)