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861155A3 18 8868 Electric Fuel Pump for MerCruiser Mercury Marine
$164.89
Sale price
$164.89
Regular price
Available to Order
This Electric Fuel Pump is a replacement fuel pump compatible with MerCruiser and Mercury Marine engines and matches OEM Part# 861155A3 and Sierra 18-8868.
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
Randy W. — Verified customer
Product Overview
This electric fuel pump is designed for MerCruiser and Mercury Marine inboard and sterndrive engines. It delivers a steady flow of fuel from the tank to the engine for reliable starting and consistent performance. Boat owners and marine technicians use this pump to replace failed or worn units and restore proper fuel delivery.
Key Features & Performance
- Electric operation ensures consistent fuel pressure
- Direct replacement for OEM part 861155A3 and Sierra 18-8868
- Built to withstand marine vibration and moisture
- Includes mounting bracket and electrical connector for easy installation
- Compatible with 12V DC electrical systems
Fitment & Compatibility
- MerCruiser 3.0L, 4.3L, 5.0L, 5.7L, and 6.2L gasoline engines
- Mercury Marine MerCruiser sterndrive and inboard engines
- Select models with original 861155A3 fuel pump
Common Uses
- Replacing a failed electric fuel pump on a MerCruiser or Mercury engine
- Upgrading from a mechanical pump to electric for improved reliability
- Restoring fuel delivery after pump wear or electrical failure
- Marine engine maintenance and rebuild projects
Technical Specifications
- Part Number(s): 861155A3, Sierra 18-8868
- Type: Electric Fuel Pump
- Voltage: 12V DC
- Compatible Brands: MerCruiser, Mercury Marine
Frequently Asked Questions
Q: Will this pump work on a 2004 MerCruiser 5.0L? A: It is designed for many MerCruiser engines using the 861155A3 pump; verify your existing pump number matches before ordering.
Q: Does the pump come with a warranty? A: Yes, it includes a standard manufacturer warranty against defects in materials and workmanship.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.