IS-KA239-14-21 IMPELLER SOLUTIONS Ultra 300 Kawasaki

Review IMPELLER SOLUTIONS Compatible Kawasaki Ultra And 310 for KAWASAKI 300

The Kawasaki Ultra 300/310 personal watercraft is known for its exceptional performance and innovative design. One of its key components is the impeller, specifically the IS-KA239-14-21 model. This impeller plays a crucial role in the watercraft's pump system, responsible for drawing in water and forcing it through the jet pump to propel the vehicle forward.

The IS-KA239-14-21 impeller is a 3-blade design, which offers a balance between efficiency and power. The blades are engineered from a durable, corrosion-resistant material, ensuring longevity even in the harshest marine environments. Each blade features a hydrodynamically optimized shape to minimize drag and maximize water flow.

The impeller's diameter measures 239mm (9.4 inches), and it has a pitch of 14 degrees. This specific pitch angle helps provide the necessary thrust for the Ultra 300/310 to reach impressive speeds, making it an ideal choice for those seeking an adrenaline-pumping watercraft experience.

Additionally, the impeller's 21-entry design enhances flow efficiency, reducing turbulence and improving overall performance. The entry vanes are strategically placed to direct water evenly onto the blades, ensuring consistent power delivery.

Maintenance of the IS-KA239-14-21 impeller is essential for optimal performance and longevity. Kawasaki recommends regular inspections and cleaning to prevent build-up of marine growth or debris. When it's time for replacement, Kawasaki offers genuine OEM parts to ensure a perfect fit and compatibility with your Ultra 300/310.

In summary, the IS-KA239-14-21 impeller is a vital component of the Kawasaki Ultra 300/310's impressive performance. Its durable 3-blade design, optimized blade shape, and efficient entry vane system work together to provide powerful thrust and consistent water flow. Regular maintenance and timely replacement with genuine OEM parts ensure continued enjoyment of your watercraft.

The Kawasaki Ultra 300X and 310X are high-performance personal watercrafts (PWCs) that come with the IS-KA239-14-21 impeller as an optional accessory. This impeller is known for its high efficiency and durability, offering several advantages and disadvantages when installed on a Kawasaki Ultra 300X or 310X.

1. Increased top speed and hole shot: The high-performance impeller can help increase the top speed of your Kawasaki Ultra 300X or 310X, providing a thrilling riding experience. Additionally, the impeller improves hole shot, allowing for quicker acceleration and better response when launching from the water.

2. Improved efficiency: The IS-KA239-14-21 impeller is designed to be more efficient than the standard impeller, which can lead to better fuel economy and longer run time between refills.

3. Enhanced durability: The impeller is made from high-quality materials, ensuring it can withstand the rigors of regular use on a high-performance watercraft.

1. Increased cost: Installing the IS-KA239-14-21 impeller on a Kawasaki Ultra 300X or 310X can be an expensive upgrade. The cost of the impeller itself, as well as any additional labor or installation fees, should be considered before making a purchase.

2. Potential impact on warranty: Installing aftermarket parts, such as the IS-KA239-14-21 impeller, may void the original manufacturer's warranty on your Kawasaki Ultra 300X or 310X. Be sure to check with your dealer or the manufacturer regarding any potential warranty implications.

3. Slightly louder operation: The high-performance impeller may generate slightly more noise when in operation compared to the standard impeller.

In conclusion, the IS-KA239-14-21 impeller offers several advantages, including increased top speed, improved efficiency, and enhanced durability, making it an attractive upgrade for those looking to get the most out of their Kawasaki Ultra 300X or 310X. However, the higher cost, potential warranty implications, and slightly increased noise level should be carefully considered before making a purchase.

If you are an experienced rider who values performance and is willing to accept the potential costs and implications, the IS-KA239-14-21 impeller is a worthwhile investment for your Kawasaki Ultra 300X or 310X. For those looking for a more budget-friendly option or who prioritize warranty coverage, the standard impeller may be the better choice. Ultimately, the decision depends on your individual preferences, riding style, and budget.

Details:

Impeller solutions compatible with Kawasaki ultra 300 and 310 jet ski Impeller only: this Impeller is a matte finish, stainless steel aftermarket replacement. Matte finish is the preferred technology for original equipment manufacturers.

specifications watercraftimp:

• for models: 300
• for makes: Kawasaki
• brand: Impeller Solutions
• mpn: Is-ka239-14-21

payments watercraftimp:

• credit card: visa
• other
• wallet: apple-pay

returns watercraftimp:

• policy: returns accepted
• paid by: seller
• time: 60 days

offer watercraftimp:

• price: $149.95
• item condition: New
• sold #: 17
• options: ship-to-home
• availability: in stock
• in stock #: 1
• started: january 10, 2026

general watercraftimp:

• category: Watercraft Parts > Engines > Impellers Components

seller watercraftimp:

• rating: 99.9%
• # reviews: 33408
• city: clearwater, fl

shipping watercraftimp:

• carrier: fedex
• class: standard, expedited, one-day
• service: standard, fedex 2day, fedex standard overnight
• type: fixed
• transit: 3-5 days