The Top 10 Best Lower Unit Oil For Mercury Outboard In 2023

1. Mercury Marine New OEM High Performance Gear Lube with Hand …

• Brand: Mercury Marine/Mericruiser
• Manufacturer: Mercury Marine/Mericruiser
• Dimensions: Height: 9.0 Inches Width: 8.0 Inches Length: 16.0 Inches Weight: 2.0 Pounds `

Features

• Genuine OEM Factory Original Equipment Mercruiser Sterndrive & Outdrive Oil
• Exclusive formula is engineered to provide extended gear life in extreme conditions including high-speed and high-horsepower applications
• Extreme pressure synthetic additives protect gears from metal to metal contact
• Engineered to provide maximum protection for sterndrive and outboard lower units
• For use in most gear housings of Mercruiser sterndrives and all Mercury, Mariner, and Force Outboards

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2. Quicksilver 858064Q01 SAE 90 High Performance Gear Lube , 32 …

• Brand: Quicksilver
• Manufacturer: Quicksilver
• Color: Unspecified
• Dimensions: Height: 9.87 Inches Width: 8.75 Inches Length: 7.62 Inches Weight: 0.025 Pounds `

Features

• Lower unit gear oil formulated to protect against corrosion and excessive wear
• Designed for outboard motor lower unit and sterndrive applications above 75 HP
• Extreme pressure synthetic additives protect gears from metal to metal contact
• Extends gear life in extreme conditions including high-speed and high-horspower applications
• SAE 90 viscosity
• 1 quart bottle
• Manufacturer part number 858064Q01

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3. Slippery Pete – Lower Unit Gear Oil Pump for Standard …

• Brand: Slippery Pete
• Manufacturer: Slippery Pete
• Color: Chrome Metal Swivel Adapter
• Dimensions: Height: 1.0 Inches Width: 6.0 Inches Length: 9.0 Inches

Features

• 🚤 PUMPS 8CC PER PUMP STROKE (Includes Metal 3/8″ Adapter Connected To Clear Plastic Tubing)
• 🚤 THIS GEAR OIL CHANGE KIT includes 3 adapter sizes. 3/8″(Swivel, Metal), 8mm and 10mm (Metal). Take the guess work out of figuring out the size of your Lower Unit’s gear oil drain plug. (WON’T FIT VOLVO PENTA)
• 🚤 2 Rigid Suction Tubes REACHES TO BOTTOM OF TALL AND SHORT GEAR OIL BOTTLES
• 🚤Easy To Follow Instructions On Back Of Header Card
• 🚤 Re-closeable Poly Bag for Storage

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4. Lower Unit Gear Oil Pump for Quart Bottles, with 8 …

• Brand: Camoo
• Manufacturer: Camoo

Features

• 【Fit for Standard Quart Bottles】Reliable lower unit gear oil pump fits for standard quart lower unit lube bottles. Perfect for most 32 ounce outboard gear oil bottles. The package includes 2 different lengths of suction tubes for tall and short quart bottles.
• 【3-sizes Adapters】3/8″ swivel adapter connected to clear plastic tubing .8 mm and 10 mm aluminum adapters that will fit most outboard motor’s lower unit drain threads hole.（Not fit for VOLVO PENTA）
• 【Fitment】Metal threaded fitting fits for Mercruiser, OMC, Evinrude, Johnson, Honda (70hp & up), Force, Mercury (US origin models), Yamaha, and Gamefisher lower units (check owner’s manual to confirm exact size needed).With flexible o-rings for sealing each adapter.
• 【Transfer gear lube hand pump 】 Ideal for do-it-yourself owners.A quick, easy, and clean way to change marine lower unit gear lube. With different adapters, this lower unit gear oil pump quickly and perfectly refills the marine motor lower unit in a few minutes.
• 【Satisfaction Guarantee】Camoo aims to provide excellent products and the best service for customers. You can simply return it if you are not satisfied with the product. We support 30 days full refunds for returns and a 1-year warranty.

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5. Mission Automotive 6-Pack Marine Drain Screw Gasket – Compatible with …

• Brand: Mission Automotive
• Manufacturer: MISSION AUTOMOTIVE
• Dimensions: Height: 0.1 Inches Width: 0.5 Inches Length: 0.5 Inches

Features

• Perfect For The Marine Environment: Our marine drain screw gaskets are the ideal solution for outdrive drain, vent plug / vent screw and oil level use. Compatible with most lower units and seawater pumps. Keep oil in and water out with the tight seal created by these gaskets
• Widely Compatible: Compatible with inboard / outboard motors made by a variety of manufacturers, including Mercruiser (TM), Mercury Marine (TM), OMC (TM), Chrysler (TM) / Force (TM) / US Marine (TM), Mallory (TM), Johnson (TM) / Evinrude (TM), Sears (TM) and more
• Replace Many Models: Comparable to Sierra International (TM) 18-2945-9. Replaces 307552, 12-19183, 12-191832, 12-191833, 12-19183B, 12-20260, 12-20260B, 9-60101, 9-60102, F50556, F8077, F8186 and more
• Value Pack, Built To Last: Each change requires 2-3 gaskets. Our pack of 6 helps ensure that you always have spares on hand for the next change. Our gaskets are made from durable, marine-specific materials and are built to last
• Please note: This product is produced by Mission Automotive / Impresa Products. We have no affiliation with or endorsement from any of the other manufacturers mentioned

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6. PWC Parts Co Mercury Outboard Inboard I/O All Verado Optimax …

• Brand: PWC Parts Co
• Manufacturer: PWC Parts Co

Features

• Genuine OEM Quicksilver Mercury Parts
• Fits MOST Mercury/Mercruiser Models – Outboards, I/O, Inboard, Bravo I, II, III, XR, SportMaster, TorqueMaster, Verado, Optimax, BlackMax, 2-Stroke, 4-Stroke, etc
• Plesae confirm fitment prior to purchase if you have any question
• Includes 1 Qt of Quicksilver 858064Q01 High-Performance Gear Lube
• Includes Genuine Quicksilver Lower Unit Pump

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7. 12 Pcs Drain Screw Gasket Marine Lower Unit Seal Replacement …

• Brand: AIPICO
• Manufacturer: AIPICO

Features

• Aftermarket Seal Gasket, Blue Color, Includes 12 Pcs
• Provide Good Tightness, Solve Leaking Problem
• Offering Good Durability & long lasting Service
• Replacement for 18-2945 Sierra Marine,98-102-09 SEI Marine,9-60101 9-60102 Mallory Marine,31170 GLM,MR-103 OBR Red Rhino,12-19183 12-191832 Mercury Marine
• Used With The 3/8-16 Drain/Fill Screw Found On All Mercruiser And Most Mercury/Mariner Outboards, Except Those Of Japanese Origin

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8. Mercury Outboard/Inboard Lower Unit Gear Lube Kit with Pump and …

• Brand: MERCURY

Features

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9. Lower Drain Plugs, Lower Unit Oil Drain Plug Gearcase Screw …

• Brand: Spurick
• Manufacturer: Spurick Marine Drain Plug

Features

• Lower Unit Gear Lube Drain and Fill Hole Screw and Seal 79953Q04. Used with 3/8 – 16 drain/fill hole screw on all MerCruiser stern drives, Mercury and Mariner outboards.
• This is the non-magnetic plug screw version. Helps prevent gear lube from leaking out and water from seeping in to the gear case causing serious damage.
• 18-2244 Drain Screw for Mercury and Mercruiser. This Drain Screw is for use with the following: for Mercruiser I, R, MR, Alpha One, TR, TRS & all O/Bs with 3/8-16 non-magnetic gear lube fill or vent screws.
• All Merc’s use the 3/8 x 16 plug and the top plug on your lower unit is the “vent” plug. You pump the oil in from the bottom plug, til it comes out of the top one. Then screw the top plug in tight, then quickly screw the bottom plug in to minimize oil loss.
• Compatible with Mercury Marine 10-20259 10-79953Q04 10-79953Q2 10-79953A2 10-79953 10-28634 10-28634A1 and for Mercruiser Stern Drive 816610A2 816610A1 10-28634A1 10-28634 10-79953 10-79953A2 10-79953Q2 10-79953Q04

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10. Quicksilver 80W-90 Premium Gear Lube – Marine Engine – 32 …

• Brand: Quicksilver
• Manufacturer: Quicksilver
• Color: Unspecified
• Dimensions: Height: 9.25 Inches Width: 2.38 inches Length: 4.0 Inches Weight: 1.8 Pounds `

Features

• Provides maximum protection against excessive wear, corrosion and pitting for extended gear life in marine applications
• Contains additives to protect gears if water enters the gearcase or lower unit
• Recommended for use in outboard motor gearcases and marine lower units in applications below 75hp
• 80W-90 viscosity
• 32-ounce bottle (pack of 6)
• Manufacturer part number 858058Q01

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