SeaSierra Outboard Fuel Pump for Mercury 30–60HP EFI 4-Stroke — 899106T01 Direct-Fit OEM Replacement

SeaSierra 899106T01 is a direct-fit replacement outboard fuel pump engineered to restore stable fuel delivery for Mercury 30–60HP EFI 4-stroke engines.

If your Mercury outboard shows signs of inconsistent fuel flow, rough idling, or you’re performing routine maintenance on a 30, 40, 50, or 60 HP EFI 4-stroke motor, the SeaSierra 899106T01 fuel pump is built to match OEM form and function. Manufactured to meet original-equipment quality standards, this pump replaces several Mercury and Sierra part numbers so you can refit the internal fuel system quickly and reliably.

Will this pump fit my Mercury 4-stroke outboard?

The SeaSierra 899106T01 is designed as a replacement for internal fuel components on a range of Mercury EFI 4-stroke outboards. It fits 30HP, 40HP, 50HP, and 60HP models and covers multiple OEM part numbers for broad compatibility.

• Compatible with Mercury 4-stroke 30–60 HP EFI engines
• Replaces OEM numbers: 881862T, 881862T08, 892874T01, 899106T01
• Also cross-references Sierra 18-8866 and Mercury 8M0118177, 8M0141827

How does this pump affect engine performance on the water?

The unit restores smoother, more consistent fuel flow to the EFI system, helping the engine run with steadier throttle response during cruising and acceleration. While not a performance upgrade, it returns the motor to intended factory fuel delivery when an old or failing pump is the issue.

• Delivers stable fuel pressure and flow for EFI systems
• Reduces throttle surging caused by inconsistent fuel supply
• Built to OEM-quality standards for predictable operation

What should I know about installation and durability?

SeaSierra manufactures this pump to OEM dimensions so installation follows standard service procedures for Mercury internal fuel components. Durability-oriented materials and quality control are applied to help the pump withstand typical marine environments when installed according to manufacturer guidelines.

• Direct-fit design for straightforward replacement
• Manufactured to meet common OEM quality benchmarks
• Intended for internal fuel system installation by qualified technicians

Which original parts does this SeaSierra pump replace?

This pump cross-references multiple Mercury and Sierra part numbers, simplifying parts procurement during repairs or rebuilds. Use the listed OEM numbers to confirm compatibility with your specific service manual and engine serial range.

• Mercury OEM: 881862T, 881862T08, 892874T01, 899106T01
• Mercury references: 8M0118177, 8M0141827
• Sierra cross-reference: 18-8866

Who is this for: boat owners, marine technicians, and service shops working with Mercury EFI 4-stroke outboards in the 30–60 HP range who need a reliable, OEM-compatible replacement fuel pump. If you maintain or rebuild Mercury outboards and require a direct-fit internal pump that matches listed OEM numbers, the SeaSierra 899106T01 provides a practical repair option without modifying factory fuel system geometry.