PLEASE READ OUR ENTIRE DESCRIPTION AND CONDITIONS COMPLETELY AND CAREFULLY PRIOR TO PURCHASING THIS ITEM, OR ASKING A QUESTION.  THE EXACT SERIAL NUMBER OF THE MOTOR THIS PART WAS REMOVED FROM IS LISTED IN THE ITEM DESCRIPTION BELOW (MERCURY DOES NOT GO BY MODEL YEAR, THEY USE SERIAL NUMBER). THE MAJORITY OF PARTS FIT A VARIETY OF MAKES, MODELS AND YEARS THUS THE USE OF KEYWORDS IN THE SEARCH TITLE, THIS IS NOT "FALSE ADVERTISING." IT IS THE BUYERS RESPONSIBILITY TO VERIFY FITMENT TO THEIR SPECIFIC APPLICATION PRIOR TO PURCHASING IF IT IS ANYTHING OTHER THAN THE EXACT SERIAL NUMBER IT WAS REMOVED FROM AS SOME MODELS MAY HAVE MORE THAN ONE PART NUMBER AVAILABLE FOR A PARTICULAR MODEL.  THE LIST BELOW IS JUST A GUIDE OF POSSIBLE MODELS, IT IS NOT ALL INCLUSIVE SO YOU NEED TO CHECK YOUR SPECIFIC APPLICATION, SERIAL NUMBER AND PART NUMBER NEEDED AS WE DO NOT ALLOW RETURNS ONCE WE SHIP A PART.  THIS IS A USED 25 INCH SHAFT LOWER UNIT GEAR HOUSING ASSEMBLY FROM A 2012 MERCURY OPTIMAX 225 DFI 3 LITER 25" OUTBOARD MOTOR WE ARE PARTING OUT (SERIAL NUMBER ON MOTOR IT WAS REMOVED FROM WAS 1B917140, IF YOU NEED TO LOOK UP ALTERNATE APPLICATIONS, OR DO FITMENT RESEARCH PRIOR TO PURCHASE, AS THIS IS A NON RETURNABLE PART). THIS WAS REMOVED FROM A RUNNING MOTOR THAT THREW A ROD THOUGH THE CASE, SO THE BOAT WAS RE RIGGED WITH A NEW OUTBOARD AND WE ARE PARTING THE ENTIRE OLD ONE OUT.  THIS MAY FIT MANY MODELS AND YEARS OF MERCURY/MARINER OUTBOARD, BUT PLEASE CONSULT YOUR LOCAL DEALER IF YOU ARE NOT CERTAIN AND PLANNING ON INSTALLING IT ON ANYTHING OTHER THAN WHAT IT WAS REMOVED FROM. THIS LOWER UNIT FLUID HAD A VERY SMALL AMOUNT OF MOISTURE IN IT AS WELL AS THE GEAR HOUSING HAVING SOME MARKS AND GOUGES AS NOTED.  POSSIBLE FITMENT LIST IS PROVIDED BELOW PER MERCURY INFORMATION, WE ARE NOT RESPONSIBLE FOR ITS ACCURACY, YOU WILL NEED TO CHECK YOUR SPECIFIC APPLICATION, SERIAL NUMBER AND PART NUMBER NEEDED AS THE BELOW LIST IS NOT ALL INCLUSIVE.  PLEASE SEE OUR OTHER LISTINGS IF YOU NEED OTHER ITEMS AS WE ARE PARTING OUT SEVERAL MACHINES CURRENTLY.  

BUYER TO PAY SHIPPING/PACKAGING COSTS.  OUR PREFERRED METHOD OF PAYMENT IS PAYPAL AND IT IS DUE PROMPTLY AT THE CLOSE OF THE LISTING.  WE WILL ONLY SHIP TO THE ADDRESS SHOWN IN THE SHIPPING INFORMATION SECTION OF THE PAYMENT WE RECEIVE, WE WILL NOT SHIP TO ANY OTHER ALTERNATE REQUESTED ADDRESSES AS IT VIOLATES PAYPAL’S SELLER PROTECTION POLICY, SO MAKE SURE THE SHIPPING ADDRESS IS CORRECT PRIOR TO MAKING A PURCHASE AS THERE ARE ABSOLUTELY NO EXCEPTIONS TO THIS REQUIREMENT. WE NORMALLY SHIP WITHIN 2 BUSINESS DAYS OF PAYMENT.

AT OUR DISCRETION, WE SHIP UPS OR USPS, SO YOU MUST HAVE A PHYSICAL ADDRESS (NO P.O. BOXES WITHOUT PRIOR APPROVAL)

PLEASE VIEW OUR OTHER LISTINGS FOR ADDITIONAL ITEMS AVAILABLE.

DB CYCLE PARTS IS A COMPANY THAT SPECIALIZES IN NEW CLEARANCE AND USED MOTORCYCLE AND RECREATIONAL VEHICLE PARTS. PLEASE MAKE SURE THE PART IN THE PHOTO IS THE PART THAT YOU NEED. DUE TO THE FACT THESE ARE CLEARANCE AND USED ITEMS WE CAN NOT ACCEPT RETURNS.  PLEASE DON’T HESITATE TO E-MAIL US, PRIOR TO PURCHASING, WITH ANY QUESTIONS REGARDING THE CONDITION OR STATUS OF AN ITEM, WE WILL DO OUR BEST TO ANSWER THEM.

THIS MAY HAVE APPLICATIONS ON THE FOLLOWING MODELS PER MERCURY, NOTE LIST IS NOT ALL INCLUSIVE SO CHECK YOUR SPECIFIC APPLICATION, SERIAL NUMBER AND PART NUMBER REQUIRED.

This guide is to be used as a reference only. You must verify fitment using your model or serial number.

This Mercury 8M0056631 GEAR HSG-BASIC fits the following models and components:

Mercury Outboard 200HP 200HP Verado Pro 2B034840 THRU 2B144122 Gear Housing (Driveshaft)

Mercury Outboard 225HP 225HP DFI Pro XS 1B752547 THRU 2B535608 Gear Housing (Driveshaft)

Mercury Outboard 200HP 200HP DFI Pro XS 1B504989 THRU 1B912785 Gear Housing, Prop Shaft - Std Rotation 2B014225 & below

Mercury Outboard 250HP 250HP Verado 2B144123 THRU 2B578935 Gear Housing Prop Shaft - Std Rot, 4.80 Torpedo

Mercury Outboard 225HP 225HP EFI 1B504989 THRU 2B528096 Gear Housing, Prop Shaft - Std Rotation 2B014225 & below

Mercury Outboard 300HP 300HP Verado Pro 2B144123 THRU 2B577715 Gear Housing Prop Shaft - Std Rot, 4.80 Torpedo

Mercury Outboard 250HP 250HP 1B504989 & Up Gear Housing, Prop Shaft - Std Rotation 2B014225 & below

Mercury Outboard 225HP 225HP DFI DTS 1B504989 & Up Gear Housing, Prop Shaft - Std Rotation 2B014225 & below

Mercury Outboard 275HP 275HP Verado 2B144123 THRU 2B578935 Gear Housing Prop Shaft - Std Rot, 4.80 Torpedo

Mercury Outboard 250HP 250HP 1B528615 & Up Gear Housing, Prop Shaft - Std Rotation 2B014225 & below

Mercury Outboard 200HP 200HP Verado 2B144123 & Up Gear Housing Prop Shaft - Std Rot, 4.80 Torpedo

Mercury Outboard 250HP 250HP DFI 1B528615 THRU 2B535086 Gear Housing, Prop Shaft - Std Rotation 2B014225 & below

Mercury Outboard 200HP 200HP EFI 1B504989 THRU 2B528096 Gear Housing, Prop Shaft - Std Rotation 2B014225 & below

Mercury Outboard 300HP 300HP Verado 2B144123 THRU 2B578935 Gear Housing Prop Shaft - Std Rot, 4.80 Torpedo

Mercury Outboard 225HP 225HP DFI 1B504989 THRU 2B535086 Gear Housing, Prop Shaft - Std Rotation 2B014225 & below

Mercury Outboard 200HP 200HP DFI 1B504989 THRU 1B912785 Gear Housing, Prop Shaft - Std Rotation 2B014225 & below

Mercury Outboard 200HP 200HP Verado Pro 2B144123 THRU 2B577715 Gear Housing Prop Shaft - Std Rot, 4.80 Torpedo

Mercury Outboard 200HP 200HP DFI DTS 1B504989 & Up Gear Housing, Prop Shaft - Std Rotation 2B014225 & below

Mercury Outboard 225HP 225HP Verado 2B144123 THRU 2B578935 Gear Housing Prop Shaft - Std Rot, 4.80 Torpedo

Mercury Outboard 200HP 200HP DFI Pro XS 1B504989 THRU 1B912785 Gear Housing, Prop Shaft - Std Rotation 2B014226 & up

Mercury Outboard 250HP 250HP Verado Pro 2B144123 THRU 2B577715 Gear Housing Prop Shaft - Std Rot, 4.80 Torpedo

Mercury Outboard 200HP 200HP DFI 1B504989 THRU 1B912785 Gear Housing, Prop Shaft - Std Rotation 2B014226 & up

Mercury Outboard 225HP 225HP EFI 1B504989 THRU 2B528096 Gear Housing, Prop Shaft - Std Rotation 2B014226 & up

Mercury Outboard 300HP 300HP Verado Pro 1B830170 THRU 2B144122 Gear Housing (Driveshaft)

Mercury Outboard 250HP 250HP 1B504989 & Up Gear Housing, Prop Shaft - Std Rotation 2B014226 & up

Mercury Outboard 250HP 250HP Verado 2B144123 THRU 2B578935 Gear Housing Prop Shaft-Count Rot, 4.80 Torpedo

Mercury Outboard 225HP 225HP DFI DTS 1B504989 & Up Gear Housing, Prop Shaft - Std Rotation 2B014226 & up

Mercury Outboard 225HP 225HP Verado 2B144123 THRU 2B578935 Gear Housing Prop Shaft-Count Rot, 4.80 Torpedo

Mercury Outboard 250HP 250HP 1B528615 & Up Gear Housing, Prop Shaft - Std Rotation 2B014226 & up

Mercury Outboard 250HP 250HP DFI 1B528615 THRU 2B535086 Gear Housing, Prop Shaft - Std Rotation 2B014226 & up

Mercury Outboard 275HP 275HP Verado 2B144123 THRU 2B578935 Gear Housing Prop Shaft-Count Rot, 4.80 Torpedo

Mercury Outboard 200HP 200HP EFI 1B504989 THRU 2B528096 Gear Housing, Prop Shaft - Std Rotation 2B014226 & up

Mercury Outboard 200HP 200HP Verado 2B144123 & Up Gear Housing Prop Shaft-Count Rot, 4.80 Torpedo

Mercury Outboard 200HP 200HP DFI DTS 1B504989 & Up Gear Housing, Prop Shaft - Std Rotation 2B014226 & up

Mercury Outboard 300HP 300HP Verado 2B144123 THRU 2B578935 Gear Housing Prop Shaft-Count Rot, 4.80 Torpedo

Mercury Outboard 225HP 225HP DFI 1B504989 THRU 2B535086 Gear Housing, Prop Shaft - Std Rotation 2B014226 & up

Mercury Outboard 200HP 200HP DFI Pro XS 1B504989 THRU 1B912785 Gear Housing, Prop Shaft -Counter Rotation 2B014225 & below

Mercury Outboard 250HP 250HP Verado Pro 1B830170 THRU 2B144122 Gear Housing (Driveshaft)

Mercury Outboard 225HP 225HP EFI 1B504989 THRU 2B528096 Gear Housing, Prop Shaft -Counter Rotation 2B014225 & below

Mercury Outboard 200HP 200HP Pro XS 1B912786 THRU 2B535571 Gear Housing, Prop Shaft -Counter Rotation 2B014225 & below

Mercury Outboard 200HP 200HP DFI DTS 1B504989 & Up Gear Housing, Prop Shaft -Counter Rotation 2B014225 & below

Mercury Outboard 200HP 200HP DFI Pro XS 1B504989 THRU 1B912785 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 250HP 250HP 1B504989 & Up Gear Housing, Prop Shaft -Counter Rotation 2B014225 & below

Mercury Outboard 250HP 250HP Verado 1B517434 THRU 2B144122 Gear Housing Prop Shaft-Counter Rotation, 4.80 Torpedo 2B026817 & up

Mercury Outboard 225HP 225HP DFI DTS 1B504989 & Up Gear Housing, Prop Shaft -Counter Rotation 2B014225 & below

Mercury Outboard 200HP 200HP Pro XS 1B912786 & Up Gear Housing, Prop Shaft -Counter Rotation 2B014225 & below

Mercury Outboard 225HP 225HP Verado 1B517434 THRU 2B144122 Gear Housing Prop Shaft-Counter Rotation, 4.80 Torpedo 2B026817 & up

Mercury Outboard 250HP 250HP 1B528615 & Up Gear Housing, Prop Shaft -Counter Rotation 2B014225 & below

Mercury Outboard 300HP 300HP Verado 0P520553 THRU 2B1441228 Gear Housing Prop Shaft-Counter Rotation, 4.80 Torpedo 2B026817 & up

Mercury Outboard 200HP 200HP 1B912786 & Up Gear Housing, Prop Shaft -Counter Rotation 2B014225 & below

Mercury Outboard 250HP 250HP DFI 1B528615 THRU 2B535086 Gear Housing, Prop Shaft -Counter Rotation 2B014225 & below

Mercury Outboard 250HP 250HP Verado 0P520553 THRU 2B144122 Gear Housing Prop Shaft-Counter Rotation, 4.80 Torpedo 2B026817 & up

Mercury Outboard 250HP 250HP Verado 2B144123 THRU 2B578935 Gear Housing, Driveshaft, 4.80 Torpedo

Mercury Outboard 200HP 200HP EFI 1B504989 THRU 2B528096 Gear Housing, Prop Shaft -Counter Rotation 2B014225 & below

Mercury Outboard 200HP 200HP Verado 0P520553 THRU 2B144122 Gear Housing Prop Shaft-Counter Rotation, 4.80 Torpedo 2B026817 & up

Mercury Outboard 225HP 225HP DFI 1B504989 THRU 2B535086 Gear Housing, Prop Shaft -Counter Rotation 2B014225 & below

Mercury Outboard 225HP 225HP Verado 2B144123 THRU 2B578935 Gear Housing, Driveshaft, 4.80 Torpedo

Mercury Outboard 200HP 200HP DFI 1B504989 THRU 1B912785 Gear Housing, Prop Shaft -Counter Rotation 2B014225 & below

Mercury Outboard 275HP 275HP Verado 0P520553 THRU 2B144122 Gear Housing Prop Shaft-Counter Rotation, 4.80 Torpedo 2B026817 & up

Mercury Outboard 200HP 200HP DFI 1B912786 THRU 2B535571 Gear Housing, Prop Shaft -Counter Rotation 2B014225 & below

Mercury Outboard 300HP 300HP Verado 1B517434 THRU 2B144122 Gear Housing Prop Shaft-Counter Rotation, 4.80 Torpedo 2B026817 & up

Mercury Outboard 275HP 275HP Verado 1B517434 THRU 2B144122 Gear Housing Prop Shaft-Counter Rotation, 4.80 Torpedo 2B026817 & up

Mercury Outboard 300HP 300HP Verado Pro 2B144123 THRU 2B577715 Gear Housing, Driveshaft, 4.80 Torpedo

Mercury Outboard 200HP 200HP Verado 1B517434 THRU 2B144122 Gear Housing Prop Shaft-Counter Rotation, 4.80 Torpedo 2B026817 & up

Mercury Outboard 225HP 225HP EFI 1B504989 THRU 2B528096 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 225HP 225HP Verado 0P520553 THRU 2B144122 Gear Housing Prop Shaft-Counter Rotation, 4.80 Torpedo 2B026817 & up

Mercury Outboard 275HP 275HP Verado 2B144123 THRU 2B578935 Gear Housing, Driveshaft, 4.80 Torpedo

Mercury Outboard 200HP 200HP Pro XS 1B912786 THRU 2B535571 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 200HP 200HP DFI DTS 1B504989 & Up Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 200HP 200HP Verado 2B144123 & Up Gear Housing, Driveshaft, 4.80 Torpedo

Mercury Outboard 250HP 250HP Verado 1B517434 THRU 2B144122 Gear Housing Prop Shaft-Standard Rotation, 4.80 Torpedo 2B026816 & below

Mercury Outboard 225HP 225HP Verado 1B517434 THRU 2B144122 Gear Housing Prop Shaft-Standard Rotation, 4.80 Torpedo 2B026816 & below

Mercury Outboard 250HP 250HP 1B504989 & Up Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 300HP 300HP Verado 2B144123 THRU 2B578935 Gear Housing, Driveshaft, 4.80 Torpedo

Mercury Outboard 275HP 275HP Verado 0P520553 THRU 2B144122 Gear Housing Prop Shaft-Standard Rotation, 4.80 Torpedo 2B026816 & below

Mercury Outboard 200HP 200HP Verado Pro 2B144123 THRU 2B577715 Gear Housing, Driveshaft, 4.80 Torpedo

Mercury Outboard 300HP 300HP Verado 0P520553 THRU 2B1441228 Gear Housing Prop Shaft-Standard Rotation, 4.80 Torpedo 2B026816 & below

Mercury Outboard 250HP 250HP Verado 0P520553 THRU 2B144122 Gear Housing Prop Shaft-Standard Rotation, 4.80 Torpedo 2B026816 & below

Mercury Outboard 200HP 200HP Verado 0P514869 THRU 0P593020 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 200HP 200HP DFI Pro XS 1B504989 THRU 1B912785 Gear Housing, Prop Shaft-Counter Rotation 2B014226 & up

Mercury Outboard 200HP 200HP Verado 0P520553 THRU 2B144122 Gear Housing Prop Shaft-Standard Rotation, 4.80 Torpedo 2B026816 & below

Mercury Outboard 250HP 250HP Pro XS 1B752547 & Up Gear Housing (Driveshaft)

Mercury Outboard 300HP 300HP Verado 1B517434 THRU 2B144122 Gear Housing Prop Shaft-Standard Rotation, 4.80 Torpedo 2B026816 & below

Mercury Outboard 225HP 225HP EFI 1B504989 THRU 2B528096 Gear Housing, Prop Shaft-Counter Rotation 2B014226 & up

Mercury Outboard 250HP 250HP Verado Pro 2B144123 THRU 2B577715 Gear Housing, Driveshaft, 4.80 Torpedo

Mercury Outboard 250HP 250HP DFI Pro XS 1B752547 THRU 2B535608 Gear Housing (Driveshaft)

Mercury Outboard 275HP 275HP Verado 1B517434 THRU 2B144122 Gear Housing Prop Shaft-Standard Rotation, 4.80 Torpedo 2B026816 & below

Mercury Outboard 200HP 200HP Pro XS 1B912786 THRU 2B535571 Gear Housing, Prop Shaft-Counter Rotation 2B014226 & up

Mercury Outboard 200HP 200HP Verado 1B517434 THRU 2B144122 Gear Housing Prop Shaft-Standard Rotation, 4.80 Torpedo 2B026816 & below

Mercury Outboard 200HP 200HP DFI DTS 1B504989 & Up Gear Housing, Prop Shaft-Counter Rotation 2B014226 & up

Mercury Outboard 225HP 225HP Verado 0P520553 THRU 2B144122 Gear Housing Prop Shaft-Standard Rotation, 4.80 Torpedo 2B026816 & below

Mercury Outboard 200HP 200HP Pro XS 1B912786 & Up Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 250HP 250HP Verado 1B517434 THRU 2B144122 Gear Housing Prop Shaft-Standard Rotation, 4.80 Torpedo 2B026817 & up

Mercury Outboard 200HP 200HP Pro XS 1B912786 & Up Gear Housing, Prop Shaft-Counter Rotation 2B014226 & up

Mercury Outboard 225HP 225HP DFI DTS 1B504989 & Up Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 225HP 225HP Verado 1B517434 THRU 2B144122 Gear Housing Prop Shaft-Standard Rotation, 4.80 Torpedo 2B026817 & up

Mercury Outboard 250HP 250HP 1B528615 & Up Gear Housing, Prop Shaft-Counter Rotation 2B014226 & up

Mercury Outboard 250HP 250HP 1B528615 & Up Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 300HP 300HP Verado 0P520553 THRU 2B1441228 Gear Housing Prop Shaft-Standard Rotation, 4.80 Torpedo 2B026817 & up

Mercury Outboard 200HP 200HP EFI 1B504989 THRU 2B528096 Gear Housing, Prop Shaft-Counter Rotation 2B014226 & up