New Marine Oil Filter Compatible With 2009-2023 Mercury 150Hp Efi L4 4-Stroke Outboard Seapro Pro Xs

OIL FILTER — MERCURY/MARINER 75-150 HP 4-STROKE EFI:

MERCURY MID-RANGE 4-STROKE OIL FILTER — 75-150 HP EFI:
Per Mercury Marine, Quicksilver, PartsVu, and Primeau's Marine documentation, OEM Mercury 35-877761K01 (with Quicksilver variant 35-877761Q01) is the genuine Mercury oil filter for the 1.7L/2.1L L4 (Inline 4-Cylinder) 4-stroke EFI outboard family — covering the 75, 80, 90, 100, 115, 135, and 150 HP EFI models. NOT for Verado (Verado uses 35-877767K01, a different filter). Premium spec with M-Pleated filter media, anti-drain back valve, and 50% thicker metal shell.

OEM PART NUMBERS:
• Mercury (Standard): 35-877761K01
• Mercury Quicksilver: 35-877761Q01

MERCURY 75-115 HP EFI APPLICATIONS (S/N 1B366823 - 2B094995):
• Mercury 75 HP EFI L4 4-Cyl 4-Stroke (2007-2008)
• Mercury 80 HP L4 4-Cyl 4-Stroke (2007-2008)
• Mercury 90 HP EFI L4 4-Cyl 4-Stroke (2007-2008)
• Mercury 100 HP L4 4-Cyl 4-Stroke (2007-2008)
• Mercury 115 HP EFI L4 4-Cyl 4-Stroke (2001-2023)
• Note: All 75-115 HP require S/N 1B366823 - 2B094995

MERCURY 105 / 135 HP APPLICATIONS:
• Mercury 105 HP EFI Jet (S/N 3B672358 & Above)
• Mercury 135 HP EFI (S/N 2B131942 & Above)

MERCURY 150 HP EFI APPLICATIONS:
• Mercury 150 HP EFI L4 4-Cyl 4-Stroke (2009-2023, S/N 1B905505 & Above)
• Mercury 150 HP EFI SeaPro Commercial (S/N 2B139139 & Above)
• Mercury 150 HP EFI Pro XS Performance (S/N 2B550139 & Above)
• 1.7L Mercury L4 Engine Family

MARINER APPLICATIONS:
• Mariner 75-115 HP 4-Stroke (international markets)
• Mariner 150 HP EFI 4-Stroke (international markets)
• Mariner = Mercury International Brand (Same Product)

⚠️ IMPORTANT FITMENT NOTES:
1. Verify Serial Number falls within specified range for your HP rating
2. This is for NON-Verado L4 4-Stroke (1.7L/2.1L) — NOT Verado supercharged
3. Verado 135-200HP uses different filter (35-877767K01)
4. Smaller 25-90 HP outboards may use 35-822626K04 instead

OIL FILTER SPECIFICATIONS:
• Type: Premium Spin-On Engine Oil Filter
• Media: M-Pleated Cleansing Filter Media
• Construction: Steel Shell 50% Thicker than Conventional
• Finish: Corrosion-Resistant Durable Coating
• Features: Anti-Drain Back Valve
• Application: Mercury/Mariner 75-150 HP 4-Stroke EFI
• Engine: Inline 4-Cylinder 1.7L/2.1L 4-Stroke
• Year Coverage: 2001-2023 (model-dependent)
• Mercury Maintenance Item: 100 Hour Service

FUNCTIONAL APPLICATION — MID-RANGE 4-STROKE PROTECTION:
Direct OEM-spec replacement Mercury oil filter for the popular 75-150 HP non-Verado L4 4-stroke outboard family. Premium quality construction with M-Pleated filter media, anti-drain back valve, and 50% thicker corrosion-resistant steel shell. Critical for Mercury L4 4-stroke engine protection during routine 100-hour service intervals.

SERVICE WHEN:
• Routine Engine Oil Change Service
• Mercury 100 Hour Service Schedule
• Annual Service for Recreational Use
• Pre-Boating Season Service
• Commercial / SeaPro High-Hour Service
• Pro XS Performance Service

FITMENT NOTE:
OEM-spec replacement Oil Filter for Mercury 35-877761K01 (and Quicksilver 35-877761Q01). ALWAYS verify the OEM part number AND your engine serial number from your Mercury service manual before ordering. CRITICAL: This is the NON-Verado 75-150 HP filter — different from Verado-specific filters. Verify your engine series before ordering.