New 8.1L, 496 CID Marine Engine Circulation Water Pump. Mercruiser #46-8M0113736
Replace your old water pump with confidence, as this unit is compatible with Mercruiser, Volvo Penta, and Crusader part numbers.
New 8.1L, 496 CID Marine Engine Circulation Water Pump. Mercruiser #46-8M0113736
Item #: 65474896

New 8.1L, 496 CID Marine Engine Circulation Water Pump. Mercruiser #46-8M0113736

Item #: 65474896

SCR 5713

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Replace your old water pump with confidence, as this unit is compatible with Mercruiser, Volvo Penta, and Crusader part numbers.
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What Stands Out

High Capacity
The 8.1L water circulation pump ensures robust performance for maritime applications, catering to high-demand environments and addressing the need for efficient water movement in boats and marine systems.
Durable Brass Impeller
Equipped with a bi-directional brass impeller, this pump promises increased resilience against corrosion, ensuring longevity and reliability in challenging marine environments compared to standard plastic impellers.
Factory New
Offering factory-quality assurance, this pump guarantees optimal performance and reliability for users, alleviating concerns about wear and tear while providing a fresh start for any marine water circulation system.

Product Details

Get a brand new circulation/water pump for 8.1L marine engines. Made in the Seychelles, same pump used on 8.1L 496 CID marine engines. Bi-directional brass impeller, stainless steel backing plate. Gaskets included. 1 year warranty. Shop at Ubuy Seychelles
  • Brand new circulation/water pump for 8.1L marine engines, made in the USA
  • Replaces water pumps on GM Marine, Mercruiser, Volvo Penta, Crusader, Marine Power applications
  • Compatible with marine 8.1L engines between the years 2000-present
  • Features a bi-directional brass impeller and a stainless steel backing plate
  • Includes water pump gaskets and comes with a 1-year warranty
  • Not a used, reconditioned, or remanufactured unit, and not intended for automotive/truck use
Brand NameMarine Engines 4 Less
Model NumberWP-81L
Manufacturer Part NumberWP-81L
Number of Packs1
ManufacturerMarine Engines 4 Less
Unit Count1 Count
Number of Items1
Compatible with Vehicle TypeBoat
OEM Equivalent Part Number883925
Automotive Fit TypeVehicle Specific Fit
Material TypeStainless Steel
BrandMarine Engines 4 Less
MaterialStainless Steel
Vehicle Service TypeBoat
OEM Part Number883925
Item Weight12 lbs (5.44 kg)

Who Should Buy?

Suitable For
  • Boat Owners

    Ideal for those seeking efficient water circulation for cooling systems or live wells in boats.

  • Aquarium Enthusiasts

    Perfect for maintaining water quality and circulation in larger aquariums requiring reliable pumping systems.

  • DIY Projects

    Useful for individuals involved in DIY projects needing a sturdy, high-capacity water pump for various applications.

Not Suitable For
  • Home Use

    Not suitable for household water systems that require pumps with different specifications and flow rates.

Product Description

New 8.1L, 496 CID Marine Engine Circulation Water Pump. Mercruiser #46-8M0113736

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the New 8.1L, 496 CID Marine Engine Circulation Water Pump?

    Answer: The New 8.1L, 496 CID Marine Engine Circulation Water Pump is designed to facilitate the flow of coolant through the engine to maintain optimal operating temperatures. This is crucial for preventing overheating, ensuring that the engine performs efficiently and reliably. Proper circulation allows for effective heat dissipation during operation, which is essential in high-performance marine environments.
  • Question: Is this water pump compatible with all Mercruiser engines?

    Answer: No, the New 8.1L, 496 CID Marine Engine Circulation Water Pump is specifically engineered for Mercruiser engines with the 8.1L and 496 CID specifications. Compatibility is vital to ensure operational efficiency and avoid potential engine damage. It's advisable to check the engine specifications or consult with a marine professional before making a purchase.
  • Question: How do I install the New 8.1L, 496 CID Marine Engine Circulation Water Pump?

    Answer: Installation of the New 8.1L, 496 CID Marine Engine Circulation Water Pump generally requires removing the old pump and positioning the new one in place, secured by the original mounting brackets. Ensure all hoses are correctly attached to promote effective coolant flow. It’s often recommended to follow specific service manuals or seek assistance from a qualified technician for an optimal installation experience.
  • Question: What materials is the Mercruiser water pump made from?

    Answer: The New 8.1L, 496 CID Marine Engine Circulation Water Pump is typically constructed from durable materials such as cast aluminum or high-grade composite plastics designed to withstand marine environments. These materials resist corrosion and wear, ensuring long-lasting performance even under the pressures of saltwater operation. This durability is essential when operating in demanding conditions, maintaining engine efficiency.
  • Question: What are the signs that my water pump needs replacement?

    Answer: Signs that the New 8.1L, 496 CID Marine Engine Circulation Water Pump may need replacement include engine overheating, unusual noises during operation, and visible leaks or corrosion around the pump area. If you notice a decline in engine performance or inconsistent coolant levels, these could also indicate pump failure. Regular maintenance checks can help catch these issues early.
  • Question: Can I use this water pump in freshwater or saltwater applications?

    Answer: The New 8.1L, 496 CID Marine Engine Circulation Water Pump is suitable for both freshwater and saltwater applications. Its corrosion-resistant materials allow it to perform effectively across various marine environments. However, ensuring that the surrounding engine components are also designed for your specific environment can help enhance overall marine performance.
  • Question: What types of marine engines benefit most from this water pump?

    Answer: The New 8.1L, 496 CID Marine Engine Circulation Water Pump is particularly beneficial for high-performance marine engines that rely on efficient cooling under high loads, such as those found in speedboats, fishing vessels, and other recreational crafts. These engines require consistent coolant flow for optimal performance during extended use, making this water pump an ideal choice.
  • Question: How often should I check or replace my marine engine water pump?

    Answer: It is recommended to inspect your New 8.1L, 496 CID Marine Engine Circulation Water Pump during regular engine maintenance intervals, particularly before and after the boating season. If your engine frequently operates under heavy loads or in harsh conditions, you might consider more frequent checks. Monitoring for unusual signs during operation, such as temperature spikes, can indicate when replacement may be necessary.
  • Question: What is the Mercruiser part number for this water pump?

    Answer: The Mercruiser part number for the New 8.1L, 496 CID Marine Engine Circulation Water Pump is #46-8M0113736. This specific identification number ensures you are purchasing the correct part designed for this engine model, aligning with Mercruiser’s performance specifications and standards for best results.
  • Question: Where can I buy the New 8.1L, 496 CID Marine Engine Circulation Water Pump in Seychelles?

    Answer: You can purchase the New 8.1L, 496 CID Marine Engine Circulation Water Pump (Mercruiser #46-8M0113736) through Ubuy, a trusted online platform that offers a wide range of marine parts. Ubuy provides product availability and delivery options tailored to customers in Seychelles, ensuring you get the right engine component for your marine needs.

Marine Engines 4 Less Water Pumps WP-81L Editorial Review

The New 8.1L, 496 CID Marine Engine Circulation Water Pump is designed specifically for marine engines and ensures proper water circulation. It is compatible with Mercruiser #46-8M0113736 and provides reliable performance. The pump is easy to install and has a durable construction. However, some customers have reported issues with the pump leaking after a few months of use.

Customer Reviews & Ratings

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Pros

  • Designed specifically for marine engines
  • Compatible with Mercruiser #46-8M0113736
  • Reliable performance
  • Easy to install
  • Durable construction

Cons

  • Possible issue with pump leaking after a few months of use

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“Easy to use and always helpful and sorts any issues I've had past and present”

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Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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