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Home Shop By Pumps & Hose Pumps Impellers & Parts Sierra 18-3007 | Impeller - Mariner Outboard 30 To 70 HP
Sierra 18-3007 | Impeller - Mariner Outboard 30 To 70 HP
par Sierra

Sierra 18-3007 | Impeller - Mariner Outboard 30 To 70 HP

UGC
Épuisé
$24.00
$24.00 - $24.00
$24.00
$17.99
$17.99 - $17.99
$17.99
Disponibilité Rupture de stock Lead Time Typically Ships in 1 to 2 Weeks In Store - Online Only - This item is stored in an external warehouse. Online orders will be shipped direct to the shipping address or available for in-store pickup typically within 1-3 days.
Unavailable for Same-Day Pickup or Local Delivery

Substitute Options

Mercury 47-89983T | Quicksilver Water Pump Impeller for Mercury and Mariner 30-70hp Outboards
Mercury 47-89983T | Quicksilver Water Pump Impeller for Mercury and Mariner 30-70hp Outboards $27.19 Out of Stock

30-Day Return Policy | See Details.

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Impeller fits various Mercury Marine 30-70hp Outbaords. |

Sierra water pump impellers are manufactured to stringent quality standards and are fully interchangeable with the OEM products they are designed to replace.

Sierra manufacturers impellers and water pump repair kits for most outboard, inboard and sterndrive applications. Sierra impellers and water pump repair kits are designed to directly replace the original OEM parts. All parts are manufactured to stringent quality standards

The impeller is the heart of an engine's cooling system. Visual inspecton is recommended every year. Replacement is recommended every three years. Saltwater use and/or excessive use may make replacement advisable more often.

Caution: Running an engine without water can damage an impeller in as little as 15 seconds. Always start your engine with the water intake valve open, or in the case of an I/O or outboard, with the water intake in the water or with engine flushing mitts attached.

Key Features

  • Impellers and water pump repair kits are manufactured to match the original part and are fully interchangeable with the OEM products they are designed to replace
  • Recommended replacement schedule is every 3 years for freshwater and every year for saltwater

How to Order

To ensure that you order the correct impeller for your application, see our online Engine Parts Selector, where you can search by engine make, model or year of manufacture.

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Sierra impellers and impeller kits are crucial components for maintaining the cooling system of marine engines. These high-quality replacement parts are designed to meet or exceed OEM specifications, ensuring reliable performance for various boat models and engine types.

Sierra manufactures impellers that are engineered to withstand the harsh marine environment and meet the demands of today's high-horsepower engines. The 18-30* series of impellers, including popular models like the 18-3059 and 18-3040, are compatible with a wide range of outboard motors and stern drives from manufacturers such as Johnson, Evinrude, Yamaha, and Mercury.

Key Features of Sierra Impellers

  • Durability: Sierra impellers are built to provide maximum durability and long life.
  • Compatibility: They are designed to fit various engine models, making them versatile replacements.
  • Quality: All Sierra marine products meet or exceed the specifications of the original equipment parts they replace.

Benefits of Using Sierra Impeller Kits

  • Cost-effective: Sierra kits often offer a more affordable alternative to OEM parts without compromising on quality.
  • Convenience: Kits typically include all necessary components for a complete water pump service, including gaskets and O-rings.
  • Reliability: Many boaters and technicians trust Sierra parts for both routine maintenance and unexpected repairs.

Choosing the Right Impeller

When selecting a Sierra impeller, it's crucial to consider factors such as:
  • Engine make and model
  • Horsepower rating
  • Number of blades and splines
  • Material (typically neoprene for most applications, some are made of nitrile, which are more resistant to oil and fuel)

Always consult your engine's manual or a marine professional to ensure you choose the correct impeller for your specific application.

FAQs

Are Sierra impellers as good as OEM parts
While opinions vary, many boaters find Sierra impellers to be comparable in quality to OEM parts. Some Sierra impellers are even manufactured in the same facilities as OEM components.

How often should I replace my boat's impeller
It's generally recommended to replace impellers annually or every 100 hours of operation, whichever comes first. However, always follow your engine manufacturer's guidelines.

Can I use a Sierra impeller kit for my Mercury engine
Yes, Sierra offers impeller kits compatible with various Mercury engines. However, it's essential to verify the specific part number for your engine model to ensure proper fit and function.

By choosing Sierra impellers and impeller kits, boaters can maintain their engines effectively while potentially saving on maintenance costs. Always prioritize regular inspections and timely replacements to ensure optimal engine cooling and performance.

Brand: Sierra

WARNING: This product MAY expose you to chemicals, which are known to the State of California to cause cancer, birth defects and/or other reproductive harm. For more information go to www.p65warnings.ca.gov

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Backorder Policy: Occasionally, due to demand or supplier delays, some items may be temporarily out of stock or non-stock items. To ensure you can still get the products you need, you can order items even when they're out of stock. Our sales team will update you with the shipping lead time. Once back in stock, we promptly ship your item, and if your order includes both in-stock and backordered items, we may split the shipment. You can cancel your backorder before shipment, and request a refund to original payment method. For any inquiries, contact us at sales@freeportmarine.com.

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