SIERRA 18-8860 Gm Big Block Fuel Pump 808282294724 861677T 818383T

( Brand: Sierra ), ( Part Type: Fuel Block Pump ), ( Manufacturer Part Number: 18-8860 ), ( UPC: 808282294724 )

Review SIERRA Gm Big Block Fuel Pump fits MERCRUISER

The Sierra 18-8860 Mercruiser GM Big Block Fuel Pump, with part numbers 861677T and 818383T, is a high-performance fuel delivery solution designed specifically for MerCruiser big block engines. This fuel pump is an essential component of your marine engine system, as it ensures a consistent and reliable flow of fuel from the tank to the engine.

This fuel pump is engineered to meet the demanding requirements of marine applications. It features a robust cast aluminum housing, which offers excellent heat dissipation and durability. The pump's impeller is made of high-strength, corrosion-resistant materials, ensuring long-lasting performance even in the harshest marine environments.

The Sierra 18-8860 fuel pump is designed to deliver a high fuel flow rate, ensuring optimal engine performance. It features a large, heavy-duty impeller, which can handle the increased fuel demands of larger MerCruiser engines. The pump also includes a high-pressure fuel outlet, which can deliver fuel at pressures up to 5.5 psi (0.38 MPa).

This fuel pump is easy to install, with a plug-and-play design that eliminates the need for complex wiring harnesses. It includes all necessary mounting hardware, making installation quick and straightforward. The pump's external fuel filter ensures that the fuel entering the engine is clean and free of contaminants, contributing to longer engine life and improved performance.

The Sierra 18-8860 Mercruiser GM Big Block Fuel Pump is a high-quality, dependable solution for your marine fuel delivery needs. With its rugged construction, high fuel flow rate, and easy installation, it is the ideal choice for MerCruiser big block engine applications. Whether you're cruising the open water or fishing in rough seas, this fuel pump will provide the reliable fuel delivery you need to keep your engine running at its best.

The Sierra 18-8860 Mercruiser GM Big Block Fuel Pump with part numbers 861677T and 818383T is a popular option for boat owners who use GM Big Block engines. Here are some pros and cons that might help you make an informed decision before making a purchase.

1. Durability: This fuel pump is known for its robust design and durability. It is built to withstand the rigors of marine use and can handle the high fuel demands of large engines.

2. Easy Installation: The Sierra fuel pump comes with all the necessary hardware for installation, making it a relatively easy DIY project for boat owners with some mechanical skills.

3. Improved Performance: Upgrading to a high-flow fuel pump like the Sierra 18-8860 can lead to improved engine performance, better fuel economy, and smoother operation.

4. OEM Quality: This fuel pump is manufactured by Sierra, which is a well-known and trusted supplier of marine parts. It is also designed to be a direct replacement for the original equipment fuel pump.

1. Cost: The Sierra 18-8860 fuel pump is more expensive than some aftermarket options. However, its durability and improved performance make it a worthwhile investment for serious boat owners.

2. Size: This fuel pump is larger than some aftermarket options, which may require modification to the boat's fuel system to accommodate it.

3. Limited Availability: While the Sierra 18-8860 fuel pump is widely available from marine parts suppliers, it may not be as easy to find in local retail stores.

The Sierra 18-8860 Mercruiser GM Big Block Fuel Pump is a high-quality, durable, and reliable option for boat owners with large GM Big Block engines. Its improved performance and easy installation make it a worthwhile investment, despite its higher cost and larger size compared to some aftermarket options. If you are serious about maintaining the performance and reliability of your boat's engine, then this fuel pump is definitely worth considering.

If you are in the market for a new fuel pump for your GM Big Block engine, then the Sierra 18-8860 Mercruiser GM Big Block Fuel Pump is an excellent choice. Its durability, improved performance, and easy installation make it a worthwhile investment for serious boat owners. While it may be more expensive than some aftermarket options, the peace of mind that comes with knowing you have a high-quality and reliable fuel pump is priceless.

Details:

Sierra 18-8860 Mercruiser GM Big Block Fuel Pump 861677T 818383T.

part #: 188860 prices

• $48.58-$179.58

specifications vesselveep:

• for models: Mercruiser
• brand: Sierra
• part type: Fuel Block Pump
• manufacturer part number: 18-8860
• upc: 808282294724

general vesselveep:

• condition: New
• Parts Accessories > Boat Parts > Other

returns vesselveep:

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

shipping vesselveep:

• carrier: USPS, UPS
• class: Standard, Expedited
• transit: 5-11 Days
• cost: $14.40
• service: USPS Ground Advantage, UPS Ground, USPS Priority Mail
• type: Calculated

offer vesselveep:

• quantity: 1
• options: Ship-to-home
• started: August 28, 2025
• availability: In Stock
• sold: 0

payments vesselveep:

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

seller vesselveep:

• rating: 98.0%
• city: Grant, Florida
• # reviews: 4743

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