SIERRA 18-3243 Water Pump Impeller Outboard Kit 17400-94700

( Brand: Sierra ), ( Manufacturer Part Number: 18-3243 ), ( Part Type: Pump Impeller )

Review SIERRA Water Pump Impeller Kit Suzuki Outboard fits MARINE

The **Sierra 18-3243 Marine Water Pump Impeller Kit** is a precision-engineered replacement solution specifically designed for Suzuki Outboard Motors, particularly those requiring the part number **17400-94700**. This high-performance impeller kit is meticulously crafted to restore optimal cooling efficiency and engine longevity, ensuring seamless operation in marine environments where reliability is paramount. Engineered from durable, corrosion-resistant materials, the impeller blades are shaped to maximize water flow while minimizing turbulence, which helps prevent overheating and reduces strain on the engine s cooling system. The kit includes a complete set of components, including the impeller itself, a gasket, and often a mounting nut or bolt, all of which are designed to fit snugly within the Suzuki outboard s water pump housing. Whether you re restoring an older Suzuki motor or upgrading a well-used unit, this kit provides a straightforward, cost-effective way to maintain peak performance without compromising on quality. Ideal for both professional mechanics and DIY enthusiasts, the **Sierra 18-3243** ensures a tight seal and smooth operation, reducing the risk of leaks and mechanical failures that could disrupt your time on the water. With its compatibility with Suzuki s 17400-94700 specification, this impeller kit is a trusted choice for those seeking dependable, long-lasting performance in marine applications.

**Pros and Cons of buying a Sierra 18-3243 Marine Water Pump Impeller Kit for Suzuki Outboard (Part #17400-94700)**

1. **Compatibility and Fitment** This kit is specifically designed for Suzuki outboard motors, particularly those with the part number **17400-94700**, ensuring a precise fit without modifications. This reduces the risk of improper installation or performance issues.

2. **Durability and Performance** Sierra is a well-known brand in marine aftermarket parts, known for producing high-quality impellers and kits. A properly functioning impeller improves water flow, cooling efficiency, and overall engine performance, preventing overheating and potential damage.

3. **Cost-Effective Solution** Replacing a worn or damaged impeller is often cheaper than repairing or replacing the entire water pump or engine components that may fail due to poor impeller condition. This kit provides a straightforward, budget-friendly upgrade or replacement option.

4. **Easy Installation** The kit typically includes clear instructions and may come with tools or gaskets needed for installation. Many users report that replacing an impeller is a relatively simple DIY task, saving labor costs if done at home.

5. **Preventative Maintenance** A new impeller can extend the life of your outboard by ensuring proper cooling and reducing strain on the engine. Regular maintenance like this helps avoid costly breakdowns during critical periods (e.g., boating season).

6. **Warranty and Support** Sierra products often come with manufacturer warranties, offering some level of protection against defects. Additionally, purchasing from reputable dealers or online retailers may include customer support for installation questions.

7. **Compatibility with Other Suzuki Models** While this kit is listed for the **17400-94700** part number, it may also fit other Suzuki outboards in the same series (e.g., 4-stroke models like the Suzuki DF115, DF150, or DF200). Always verify compatibility before purchasing to avoid mismatches.

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1. **Potential Counterfeit or Low-Quality Products** Purchasing from unauthorized sellers (e.g., third-party Amazon vendors or untrusted online marketplaces) risks receiving counterfeit or substandard parts. These may fail prematurely or not fit correctly, voiding warranties and causing further damage.

2. **Misidentification of Part Number** If the impeller kit does not match your exact Suzuki outboard model or part number, it may not fit properly. Double-checking the engine s serial number, model, and year is critical to avoid purchasing the wrong kit.

3. **DIY Installation Challenges** While many impeller replacements are straightforward, inexperienced users may struggle with tools, torque specifications, or proper sealing. Improper installation (e.g., overtightening, missing gaskets) can lead to leaks or damage to the water pump housing.

4. **Limited Availability of Original Equipment (OEM) Parts** Some Suzuki dealers may charge premium prices for OEM impellers, making aftermarket kits like Sierra s a more economical alternative. However, if you prefer OEM parts, this kit may not be the best choice.

5. **Wear and Tear on Related Components** If the water pump or other internal components (e.g., seals, bearings) are already worn, replacing just the impeller may not fully resolve cooling or performance issues. A full water pump replacement might be necessary in such cases.

6. **Environmental Factors** Marine environments expose impellers to saltwater corrosion, debris, and algae buildup. Even a new impeller may require periodic cleaning or replacement if the water pump is not regularly maintained.

7. **Limited Customization** Unlike some high-end aftermarket parts, this kit is a standard replacement and does not offer performance-enhancing modifications (e.g., larger impellers for increased flow). It is designed for reliability, not upgrades.

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The **Sierra 18-3243 Marine Water Pump Impeller Kit for Suzuki Outboard (17400-94700)** is a **reliable, cost-effective, and compatible** solution for replacing a worn impeller in Suzuki 4-stroke outboards. It addresses common issues like overheating and poor cooling while being easier to install than a full water pump replacement. However, success depends on **accurate part identification, purchasing from a trusted source, and proper installation**.

If your impeller is cracked, worn, or causing unusual noises (e.g., rattling), this kit is a **practical choice** for restoring optimal performance. For those uncomfortable with DIY repairs, consulting a marine mechanic may be advisable to ensure correct installation.

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1. **Verify Compatibility** Confirm that your Suzuki outboard s part number (17400-94700) matches the kit. Check your engine s serial number and consult Suzuki s service manual or a dealer if unsure.

2. **Purchase from Authorized Sources** Buy from **Sierra s official website, reputable marine supply stores (e.g., West Marine, Sea-Doo dealers), or trusted online retailers** to avoid counterfeit parts.

3. **Prepare for Installation** Gather necessary tools (socket set, torque wrench, gasket scraper, sealant), and follow the included instructions carefully. If possible, watch a video tutorial for your specific Suzuki model.

4. **Consider Professional Help if Needed** If you lack mechanical experience, a marine technician can install the kit for a modest fee, ensuring longevity and performance.

5. **Maintain Regularly** After installation, inspect the impeller and water pump annually, especially in saltwater environments. Clean debris from the intake and check for leaks or unusual vibrations.

**Final Verdict:** For Suzuki outboard owners needing a **direct, affordable, and high-quality impeller replacement**, this Sierra kit is an excellent choice. It balances cost, performance, and ease of use, making it a **strong recommendation** for those prioritizing reliability over customization.

Details:

Item: IMPELLER KIT. Condition: New.

part #: 183243 prices

• $16.45-$25.99

specifications ignitionstartin:

• for models: Marine
• for makes: Suzuki
• brand: Sierra
• mpn: 18-3243
• part type: Pump Impeller

general ignitionstartin:

• Boat Parts > Inboard Engines Components > Ignition Starting Systems
• condition: New

seller ignitionstartin:

• city: Wheeling, IL
• # reviews: 113234
• rating: 99.0%

returns ignitionstartin:

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

offer ignitionstartin:

• started: June 9, 2026
• availability: In Stock
• options: Ship-to-home
• sold: 0
• quantity: 4

payments ignitionstartin:

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

shipping ignitionstartin:

• transit: 14-21 Days
• class: Economy
• type: Fixed
• service: Economy
• cost: $0.00

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