COMETIC GASKET H4764036S Mls Head Sea Doo 4TEC 101MM .036

( Brand: Cometic Gasket ), ( Manufacturer Part Number: H4764036S ), ( Type: Head Gasket ), ( Country Of Origin: United States )

Review COMETIC GASKET Sea doo 101mm .036 Mls Head fits 2017

The **Sea-Doo 4TEC 2017 Cosmetic Gasket (H4764036S, 101mm, 036 MLS Head)** is a precision-engineered replacement part designed to restore the factory-sealed integrity of your high-performance personal watercraft. Crafted from high-grade, durable rubber with a reinforced silicone core, this gasket ensures a secure, leak-proof seal between the engine s MLS (Modular Lower System) head and the lower unit housing, a critical interface that maintains optimal performance and longevity. Measuring precisely **101mm** in diameter to match the exact specifications of the 2017 Sea-Doo 4TEC model, this gasket is engineered to withstand the intense pressures and temperatures generated during high-speed operation, preventing coolant, oil, or fuel leaks that could compromise engine efficiency or lead to costly internal damage. Its **036 MLS head compatibility** ensures a perfect fit, reducing the risk of misalignment or improper sealing that could arise from generic or aftermarket alternatives. Beyond its functional reliability, this gasket also contributes to the aesthetic continuity of your watercraft, as it aligns with the factory design, preserving the sleek, professional appearance of your Sea-Doo. Whether you re preparing for a season of high-performance riding or addressing a minor maintenance issue, this gasket is an essential component for maintaining the performance, safety, and resale value of your 4TEC. Its easy installation requiring only standard tools and a careful application of gasket maker makes it an accessible yet high-impact upgrade for any DIY enthusiast or professional mechanic. By investing in this OEM-quality replacement, you re not just fixing a leak; you re ensuring your Sea-Doo operates at peak condition, ready to deliver the thrill and reliability you expect from a Sea-Doo 4TEC.

**Pros and Cons of buying a Cosmetic Gasket (H4764036S) for Sea-Doo 4Tec 2017 (101mm, 036 MLS Head)**

1. **Compatibility** This gasket is specifically designed for the Sea-Doo 4Tec model from 2017 with a 101mm head and 036 MLS, ensuring a proper fit without modifications.

2. **Quality Material** Cosmetic gaskets from reputable brands like Sea-Doo or authorized dealers are typically made from durable materials that resist heat and pressure, reducing the risk of leaks.

3. **Prevents Leaks** A worn or damaged gasket can cause oil or coolant leaks, which can lead to engine damage if left unaddressed. Replacing it proactively helps maintain engine integrity.

4. **Easy Installation** Gaskets are relatively simple to replace compared to other engine components, making this a manageable DIY project for those with basic mechanical skills.

5. **Cost-Effective** Replacing a gasket is far cheaper than dealing with potential engine damage caused by leaks, such as overheating or contamination.

6. **Maintenance Convenience** Regularly replacing gaskets as part of routine maintenance can extend the lifespan of the engine and improve overall performance.

7. **Warranty Considerations** If your Sea-Doo is still under warranty, replacing a faulty gasket may be covered, making this a low-risk upgrade.

1. **Potential for Misalignment** If not installed correctly, the gasket could be improperly seated, leading to leaks or damage to the head or block.

2. **Time-Consuming** Removing and reinstalling the head requires disassembling parts of the engine, which can be time-consuming, especially for inexperienced DIYers.

3. **Risk of Damage During Removal** Improper handling of bolts or tools during disassembly could strip threads or damage gasket surfaces, requiring additional repairs.

4. **Cost of Replacement Parts** Beyond the gasket itself, you may need new bolts, seals, or gasket maker to ensure a proper seal, adding to the overall cost.

5. **Professional Help May Be Needed** If you lack experience with engine disassembly, hiring a mechanic could be more expensive than the gasket itself.

6. **Limited Lifespan** While gaskets are durable, they can degrade over time due to heat, pressure, and exposure to fluids, meaning they may need replacement again in the future.

7. **Potential for Counterfeit Products** Purchasing from untrusted sellers could result in a low-quality or incompatible gasket, leading to leaks or further issues.

Replacing the cosmetic gasket (H4764036S) on your Sea-Doo 4Tec 2017 is a practical and often necessary maintenance task. The benefits such as preventing leaks, maintaining engine health, and avoiding costly repairs far outweigh the drawbacks, provided the replacement is done carefully. The main risks (misalignment, improper installation, or damage during removal) can be mitigated with proper preparation, tools, and patience. If you're comfortable with basic engine work, this is a worthwhile DIY project. If not, consulting a professional ensures the job is done correctly without risking further damage.

- **Purchase from an authorized dealer or trusted supplier** to ensure you get the genuine part.

- **Gather the necessary tools** (socket set, torque wrench, gasket scraper, gasket maker, and clean rags) before starting.

- **Follow manufacturer guidelines** for torque specifications and installation steps to avoid damage.

- **Consider professional help** if you're unsure about disassembling the engine, as improper handling could lead to more extensive repairs.

- **Document the process** if attempting DIY, as it can serve as a reference for future maintenance.

For most Sea-Doo owners, replacing this gasket is a smart investment in long-term engine reliability. If leaks or overheating are already occurring, addressing the issue promptly will save money and prevent further damage.

Details:

Cometic SEA-DOO 4TEC 2017 101MM .036 MLS Head Gasket H4764036S.

part #: h4764036s prices

• $110.00-$129.00

specifications completegengin:

• for makes: Sea-doo
• for years: 2017
• brand: Cometic Gasket
• mpn: H4764036s
• type: Head Gasket
• country of origin: United States

returns completegengin:

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

offer completegengin:

• sold: 0
• quantity: 2
• best offers: True
• availability: In Stock
• started: March 26, 2026
• options: Ship-to-home

general completegengin:

• condition: New
• Engines Engine Parts > Gaskets, Seals Hardware > Gaskets Seals

payments completegengin:

• credit card: Visa
• wallet: Paypal
• other

seller completegengin:

• city: Kissimmee, Florida
• rating: 100.0%
• # reviews: 1046

shipping completegengin:

• service: USPS Ground Advantage, FedEx 2Day, FedEx Ground / FedEx Home Delivery
• class: Standard, Expedited
• type: Calculated
• transit: 6-9 Days
• cost: $11.05
• carrier: USPS, FedEx