OMC 313815 Impeller Housing

( Manufacturer Part Number: 313815 ), ( Part Type: Impeller Housing ), ( Country Of Origin: United States )

Review OMC Impeller Housing

The **OMC 313815 Impeller Housing** is a precision-engineered, heavy-duty component designed for high-performance marine and industrial applications, ensuring optimal fluid dynamics and durability in demanding environments. Crafted from high-grade **cast aluminum alloy**, this impeller housing is engineered to withstand the rigors of continuous use, offering exceptional resistance to corrosion, wear, and thermal stress. Its robust construction features a **smooth, aerodynamically optimized internal chamber**, meticulously machined to minimize turbulence and maximize efficiency, allowing for superior fluid flow and reduced energy loss. The housing is equipped with **reinforced mounting flanges** and **precision-bored bores**, ensuring a secure and leak-proof fit with compatible impellers, shafts, and seals, which is critical for maintaining system integrity under high-pressure conditions. The design incorporates **internal baffles and flow guides**, strategically positioned to direct fluid movement efficiently, reducing cavitation and extending the lifespan of both the impeller and the housing itself. Suitable for use in **marine propulsion systems, water pumps, hydraulic applications, and industrial fluid transfer mechanisms**, this impeller housing is built to meet stringent performance standards, delivering reliable operation even in the most challenging operational scenarios. Its **modular and interchangeable design** allows for easy integration with existing systems, while its **sealed bearing housing** and **labyrinth-style gaskets** enhance longevity by preventing contamination and moisture ingress. Whether deployed in freshwater, saltwater, or corrosive industrial fluids, the OMC 313815 Impeller Housing exemplifies engineering excellence, combining strength, precision, and efficiency to ensure peak performance in every application.

### Pros and Cons of buying a OMC 313815 Impeller Housing

1. **Compatibility and Fit:** The OMC 313815 impeller housing is designed specifically for certain OMC (or compatible) outboard motors, ensuring a precise fit without modifications. This reduces the risk of leaks, improper alignment, or performance issues that can arise from aftermarket parts that don t match perfectly.

2. **Performance Optimization:** A well-designed impeller housing can improve water flow, reduce cavitation, and enhance overall engine efficiency. The OMC 313815 may have been engineered to work optimally with the motor s impeller and propeller setup, potentially leading to better throttle response, fuel economy, or power output.

3. **Durability and Quality:** OMC (a brand under Mercury Marine) is known for manufacturing parts with robust materials and construction standards. The impeller housing is likely made from durable plastics or composites designed to withstand the stresses of marine environments, including UV exposure, saltwater corrosion, and mechanical wear.

4. **Warranty Coverage:** Purchasing directly from OMC or an authorized dealer may come with a warranty, providing protection against defects in materials or workmanship. This can offer peace of mind, especially if the part is critical to the motor s operation.

5. **Ease of Installation:** Since it is an OEM (Original Equipment Manufacturer) part, the installation process is typically straightforward, requiring minimal adjustments. This can save time and labor costs compared to aftermarket parts that may require additional modifications or customization.

6. **Reliability:** OMC parts are engineered to meet the exact specifications of the motor, reducing the likelihood of compatibility issues or premature failure. This reliability is particularly important for critical components like the impeller housing, which affects cooling and propulsion.

7. **Resale Value:** If you plan to sell the boat or motor in the future, having OMC parts (especially original or genuine replacements) can make the unit more attractive to buyers who prefer or require OEM components.

---

1. **Cost:** OMC parts, including the impeller housing, are typically more expensive than aftermarket alternatives. The price may be a barrier for budget-conscious buyers, especially if the part is not strictly necessary for performance or if a lower-cost option exists.

2. **Limited Customization:** Since it is an OEM part, you may not have the flexibility to choose materials, designs, or performance characteristics that could better suit your specific needs (e.g., lighter weight, different flow dynamics). Aftermarket options might offer more customization.

3. **Availability and Lead Times:** Depending on the region or dealer, OMC parts may have longer lead times for shipping or ordering, especially if the part is not commonly stocked. This could delay repairs or maintenance if you re in a hurry.

4. **Potential Overkill:** If the impeller housing is not the root cause of your issue (e.g., a worn impeller or propeller is the problem), replacing it alone may not solve the underlying problem, leading to wasted money. Diagnosing the exact issue beforehand is crucial.

5. **Weight:** OMC parts are often designed for longevity and durability, which can sometimes mean they are heavier than aftermarket alternatives. Extra weight may slightly reduce fuel efficiency or maneuverability, though this is usually negligible for most applications.

6. **Depreciation:** Like all boat parts, OMC components depreciate over time. If you re not planning to keep the boat long-term, the upfront cost may not be justified by the part s long-term value.

7. **Dealer Markups:** Purchasing from authorized dealers can sometimes result in higher prices due to overhead costs, shipping fees, or regional pricing strategies. Buying from a third-party seller (e.g., eBay, Facebook Marketplace) might offer better deals, though with risks like authenticity or warranty issues.

---

The OMC 313815 impeller housing is a high-quality, reliable, and compatible part that is ideal for owners who prioritize performance, durability, and peace of mind. It is the best choice if you need an exact replacement for your motor, want to maintain warranty coverage, or prefer OEM parts for long-term reliability. However, the higher cost and limited customization may not justify the purchase for those on a tight budget or seeking performance upgrades beyond the standard specifications.

For buyers who are open to alternatives, aftermarket impeller housings (from brands like Seafoam, Mercruiser, or specialized marine manufacturers) may offer cost savings, lighter weight, or performance tweaks. However, these should be thoroughly researched for compatibility and quality to avoid potential issues.

---

- You need an exact replacement for your motor to maintain warranty or performance.

- You prioritize reliability, durability, and ease of installation.

- You re willing to pay the premium for an OEM part.

- You re unsure about aftermarket alternatives and want to avoid compatibility risks.

- You re on a budget and can find a high-quality, compatible aftermarket part.

- You re looking for customization (e.g., lighter weight, different flow characteristics).

- You ve thoroughly researched and verified the aftermarket part s compatibility and reviews.

- You re not concerned about warranty coverage or long-term reliability.

- Confirm the exact model and year of your OMC motor to ensure the part number is correct.

- Check for any existing issues (e.g., a worn impeller or propeller) that might require additional repairs.

- Compare prices from authorized dealers and reputable third-party sellers to get the best deal.

- If possible, consult a marine mechanic to verify if this part is the best solution for your specific problem.

Details:

The OMC 313815 Impeller Housing is a high-quality boat part manufactured by in the USA. While this product does not come with a warranty, you can trust in the durability and reliability of Omc products for your boats maintenance needs. This impeller housing is designed to fit specific model's of outboard engines and a genuine replacement part for your boats engine.

part #: 313815 prices

• $17.95-$64.00

specifications ouboaen:

• for makes: Omc
• mpn: 313815
• part type: Impeller Housing
• country of origin: United States

general ouboaen:

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

payments ouboaen:

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

returns ouboaen:

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

offer ouboaen:

• best offers: True
• sold: 0
• options: Ship-to-home
• started: March 7, 2026
• quantity: 1
• availability: In Stock

seller ouboaen:

• # reviews: 315
• rating: 99.4%
• city: Sioux Falls, South Dakota

shipping ouboaen:

• cost: $12.50
• type: Fixed
• service: USPS Ground Advantage
• class: Standard
• transit: 4-9 Days
• carrier: USPS

Omc 313815 Is Similar To:

• 0312613 Omc Nos Johnson Evinrude Impeller Housing Plate (51.2% similar) ...(March 16th, 2018)
• 0380245 Omc New Johnson Evinrude Piston Housing And Bearing Assembly Oem (28.3% similar) New other listings these parts may be old stock from a kit gasket sets, seal kits, carb kits and that were purchased another dealer. All parts are checked before listing. These may not have be factory packed. Parts may have been installed, in order to test them...(July 2nd, 2018)
• 0382235 Omc Stringer Stern Drive Upper Unit Exhaust Housing Plug (30.8% similar) T156A Jocelyn. Everything is shown in the pictures. Casting number is. There are some scuffs and small paint chips missing on this upper exhaust unit, but is no other damage that would affect its performance. If you are not sure this is the right part for you, please with your year and model number...(June 3rd, 2018)
• 038374 Evinrude Nos Oem Johnson Omc Bearing Housing (35.9% similar) Nos oem eventide Johnson omc bearing housing some surface rust from sitting on the shelf please see pictures L20...(February 2nd, 2019)
• 0392945 Omc Used Johnson Evinrude Exhaust Housing Long (34.6% similar) Used Johnson eventide omc exhaust housing - long comes as pictured...(May 29th, 2018)
• 0431735 Omc Housing Bearing Assembly (34.9% similar) Genuine omc factory part for Johnson and eventide...(September 14th, 2018)
• 0438116 438116 Omc Exhaust Housing For Evinrude Johnson Hp Outboard (25.5% similar) 9 hp motors. 9, 10, 15 hp condition: used notes: guaranteed good condition. T307B amber...(November 14th, 2018)
• 18-3083 Sierra New Outboard Impeller Omc (35.8% similar) This is for anywhere in the lower 48...(April 16th, 2018)
• 18-3767 Sierra Bearing Assembly Housing Omc (37.1% similar) Shipping charges listed above apply to the continental us. Satisfaction guaranteed before opening a request. Sierra bearing assembly housing replaces: fits on: omc V-4, V-6 cobra stringer. You can also leave us a message at sierra bearing assembly housing replaces: fits on: omc V-4, V-6 cobra ...(February 20th, 2017)
• 305030-d1 Evinrude Omc Exhaust Housing From (34.3% similar) From a fresh water only 1957 eventide lark 35HP. Original paint in good condition with some scratches...(March 4th, 2017)
• 305754 Omc Impeller Hsg Cover Evinrude Johnson (46.6% similar) 100882B 1968 100883B 65832B 65833B 65852B 65853B 85892A 85893A V4A-20A V4AL-20A V4T-14B V4TL-14B VX-14B VXH-14B VXHL-14B VXL-14B 1968 CAT fits the following outboards. This is a new omc part, old stock...(November 15th, 2018)