OEM 2001 MERCURY OUTBOARD OPTIMAX V6 DFI 225HP 20IN LONG LOWER UNIT GEAR CASE

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 OEM 20 INCH SHAFT LOWER UNIT GEARCASE FROM A 2001 MERCURY OPTIMAX 225 DFI 3 LITER 20" OUTBOARD MOTOR WE ARE PARTING OUT (SERIAL NUMBER ON MOTOR IT WAS REMOVED FROM WAS OT396749, 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 NON 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 WAS EMPTIED BEFORE WE RECIVED IT BUT THE LITTLE BIT OF FLUID THAT CAME OUT WAS CLEAN WITH NO METAL AS NOTED IN THE PHOTOS. THIS GEAR CASE HAS MARKS AND SCRATCHES AS WELL AS HAVING A COUPLE DENTS IN THE UPPER TAB AND THE SKAG APPEARS TO BE VERY SLIGHTLY BENT NAD MISSING PAINT.  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 859399T18 GEAR HSG-BASIC fits the following models and components:

Mercury Outboard 225HP 225HP EFI 0T409000 THRU 0T800999 GEAR HOUSING(PROP SHAFT)(COUNTER ROTATION)

Mercury Outboard 225HP 225HP DFI 0G960500 THRU 0T178499 Gear Housing(Driveshaft)(Standard Rotation)

Mercury Outboard 250HP 250HP 0T409000 THRU 0T800999 GEAR HOUSING(PROP SHAFT)(STANDARD ROTATION)

Mercury Outboard 225HP 225HP DFI 0T178500 THRU 0T598999 Gear Housing(Driveshaft)(Standard Rotation)

Mercury Outboard 200HP 200HP DFI 0T599000 THRU 0T800999 GEAR HOUSING(PROP SHAFT)(STANDARD ROTATION)

Mercury Outboard 200HP 200HP DFI 0G960500 THRU 0T178499 Gear Housing(Driveshaft)(Standard Rotation)

Mercury Outboard 200HP 200HP DFI 0T178500 THRU 0T598999 Gear Housing(Driveshaft)(Standard Rotation)

Mercury Outboard 225HP 225HP DFI 0T599000 THRU 0T800999 GEAR HOUSING(PROP SHAFT)(STANDARD ROTATION)

Mercury Outboard 225HP 225HP DFI 0T178500 THRU 0T598999 GEAR HOUSING(PROP SHAFT)(STANDARD ROTATION)

Mercury Outboard 200HP 200HP EFI 0T750164 THRU 0T800999 GEAR HOUSING(PROP SHAFT)(STANDARD ROTATION)

Mercury Outboard 200HP 200HP DFI 0T178500 THRU 0T598999 GEAR HOUSING(PROP SHAFT)(STANDARD ROTATION)

Mercury Outboard 225HP 225HP EFI Marathon 0T409000 THRU 0T800999 GEAR HOUSING(PROP SHAFT)(STANDARD ROTATION)

Mercury Outboard 225HP 225HP EFI Sea Pro 0T409000 THRU 0T800999 GEAR HOUSING(PROP SHAFT)(STANDARD ROTATION)

Mercury Outboard 225HP 225HP EFI 0T409000 THRU 0T800999 GEAR HOUSING(PROP SHAFT)(STANDARD ROTATION)

Mercury Outboard 225HP 225HP DFI 0G960500 THRU 0T178499 Gear Housing, Driveshaft - Counter Rotation

Mercury Outboard 225HP 225HP DFI 0T178500 THRU 0T598999 Gear Housing, Driveshaft - Counter Rotation

Mercury Outboard 200HP 200HP DFI 0G960500 THRU 0T178499 Gear Housing, Driveshaft - Counter Rotation

Mercury Outboard 225HP 225HP DFI 0G960500 THRU 0T178499 Gear Housing(Propeller Shaft) (Counter Rotation)

Mercury Outboard 200HP 200HP DFI 0T178500 THRU 0T598999 Gear Housing, Driveshaft - Counter Rotation

Mercury Outboard 250HP 250HP 1B417702 THRU 1B504988 Gear Housing(Propeller Shaft) (Counter Rotation)

Mercury Outboard 200HP 200HP DFI DTS 1B417702 THRU 1B504988 Gear Housing(Propeller Shaft) (Counter Rotation)

Mercury Outboard 225HP 225HP DFI DTS 0T599000 THRU 1B417701 Gear Housing(Propeller Shaft) (Counter Rotation)

Mercury Outboard 200HP 200HP DFI 1B417702 THRU 1B504988 Gear Housing(Propeller Shaft) (Counter Rotation)

Mercury Outboard 200HP 200HP EFI 0T801000 THRU 1B417701 Gear Housing(Propeller Shaft) (Counter Rotation)

Mercury Outboard 250HP 250HP 1B417702 THRU 1B504988 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 250HP 250HP 0T801000 THRU 1B417701 Gear Housing(Propeller Shaft) (Counter Rotation)

Mercury Outboard 250HP 250HP 0T409000 THRU 0T800999 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 200HP 200HP DFI 0G960500 THRU 0T178499 Gear Housing(Propeller Shaft) (Counter Rotation)

Mercury Outboard 225HP 225HP EFI 0T801000 THRU 1B417701 Gear Housing(Propeller Shaft) (Counter Rotation)

Mercury Outboard 200HP 200HP EFI 1B417702 THRU 1B504988 Gear Housing(Propeller Shaft) (Counter Rotation)

Mercury Outboard 200HP 200HP DFI DTS 1B417702 THRU 1B504988 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 200HP 200HP DFI DTS 0T980000 THRU 1B417701 Gear Housing(Propeller Shaft) (Counter Rotation)

Mercury Outboard 225HP 225HP DFI DTS 1B417702 THRU 1B504988 Gear Housing(Propeller Shaft) (Counter Rotation)

Mercury Outboard 225HP 225HP DFI DTS 0T599000 THRU 1B417701 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 200HP 200HP EFI 0T801000 THRU 1B417701 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 200HP 200HP DFI 1B417702 THRU 1B504988 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 200HP 200HP DFI 0T801000 THRU 1B417701 Gear Housing(Propeller Shaft) (Counter Rotation)

Mercury Outboard 225HP 225HP DFI 0T599000 THRU 0T800999 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 250HP 250HP 0T801000 THRU 1B417701 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 200HP 200HP EFI 0T750164 THRU 0T800999 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 225HP 225HP EFI Marathon 0T801000 THRU 1B417701 Gear Housing(Propeller Shaft) (Counter Rotation)

Mercury Outboard 225HP 225HP EFI Sea Pro 0T801000 THRU 1B417701 Gear Housing(Propeller Shaft) (Counter Rotation)

Mercury Outboard 225HP 225HP DFI 0T801000 THRU 1B417701 Gear Housing(Propeller Shaft) (Counter Rotation)

Mercury Outboard 225HP 225HP EFI 1B417702 THRU 1B504988 Gear Housing(Propeller Shaft) (Counter Rotation)

Mercury Outboard 225HP 225HP EFI 0T801000 THRU 1B417701 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 225HP 225HP DFI 1B417702 THRU 1B504988 Gear Housing(Propeller Shaft) (Counter Rotation)

Mercury Outboard 200HP 200HP EFI 1B417702 THRU 1B504988 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 200HP 200HP DFI DTS 0T980000 THRU 1B417701 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 225HP 225HP DFI DTS 1B417702 THRU 1B504988 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 200HP 200HP DFI 0T599000 THRU 0T800999 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 250HP 250HP 0T409000 THRU 0T800999 GEAR HOUSING(PROP SHAFT)(COUNTER ROTATION)

Mercury Outboard 225HP 225HP DFI 1B417702 THRU 1B504988 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 200HP 200HP DFI 0T178500 THRU 0T598999 GEAR HOUSING(PROP SHAFT)(COUNTER ROTATION)

Mercury Outboard 200HP 200HP DFI 0T801000 THRU 1B417701 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 225HP 225HP EFI Marathon 0T409000 THRU 0T800999 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 225HP 225HP DFI 0T599000 THRU 0T800999 GEAR HOUSING(PROP SHAFT)(COUNTER ROTATION)

Mercury Outboard 225HP 225HP EFI Sea Pro 0T409000 THRU 0T800999 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 225HP 225HP DFI 0T178500 THRU 0T598999 GEAR HOUSING(PROP SHAFT)(COUNTER ROTATION)

Mercury Outboard 200HP 200HP EFI 0T750164 THRU 0T800999 GEAR HOUSING(PROP SHAFT)(COUNTER ROTATION)

Mercury Outboard 225HP 225HP EFI Marathon 0T801000 THRU 1B417701 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 200HP 200HP DFI 0T599000 THRU 0T800999 GEAR HOUSING(PROP SHAFT)(COUNTER ROTATION)

Mercury Outboard 225HP 225HP EFI Marathon 0T409000 THRU 0T800999 GEAR HOUSING(PROP SHAFT)(COUNTER ROTATION)

Mercury Outboard 225HP 225HP EFI Sea Pro 0T409000 THRU 0T800999 GEAR HOUSING(PROP SHAFT)(COUNTER ROTATION)

Mercury Outboard 225HP 225HP EFI Sea Pro 0T801000 THRU 1B417701 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 225HP 225HP DFI 0T801000 THRU 1B417701 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 225HP 225HP EFI 0T409000 THRU 0T800999 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 225HP 225HP EFI 1B417702 THRU 1B504988 Gear Housing, Driveshaft - Standard/Counter Rotation

Mercury Outboard 225HP 225HP EFI Marathon 0T801000 THRU 1B417701 Gear Housing, Propeller Shaft - Standard Rotation

Mercury Outboard 225HP 225HP EFI Sea Pro 0T801000 THRU 1B417701 Gear Housing, Propeller Shaft - Standard Rotation

Mercury Outboard 225HP 225HP DFI 0T801000 THRU 1B417701 Gear Housing, Propeller Shaft - Standard Rotation

Mercury Outboard 225HP 225HP EFI 1B417702 THRU 1B504988 Gear Housing, Propeller Shaft - Standard Rotation

Mercury Outboard 225HP 225HP 0G760300 THRU 0T408999 GEAR HSG(DRIVE-STD/COUNTER-S/N-0G960499 & BELOW)

Mercury Outboard 225HP 225HP DFI 1B417702 THRU 1B504988 Gear Housing, Propeller Shaft - Standard Rotation

Mercury Outboard 225HP 225HP Marathon 0G760300 THRU 0T408999 GEAR HSG(DRIVE-STD/COUNTER-S/N-0G960499 & BELOW)

Mercury Outboard 225HP 225HP Sea Pro 0G760300 THRU 0T408999 GEAR HSG(DRIVE-STD/COUNTER-S/N-0G960499 & BELOW)

Mercury Outboard 250HP 250HP 0G760300 THRU 0T408999 Gear Hsg(Driveshaft) (C/R)(S/N-0G960499 & Below)

Mercury Outboard 225HP 225HP EFI 0G760300 THRU 0T408999 Gear Hsg(Driveshaft) (C/R)(S/N-0G960499 & Below)

Mercury Outboard 225HP 225HP EFI 0G760300 THRU 0T408999 Gear Hsg(Driveshaft) (Std)(S/N-0G960499 & Below)

Mercury Outboard 250HP 250HP 0G760300 THRU 0T408999 Gear Hsg(Driveshaft) (Std)(S/N-0G960499 & Below)

Mercury Outboard 225HP 225HP EFI 0G760300 THRU 0T408999 Gear Hsg(Driveshaft)(C/R)(S/N-0G960500 & Up)

Mercury Outboard 250HP 250HP 0G760300 THRU 0T408999 Gear Hsg(Driveshaft)(C/R)(S/N-0G960500 & Up)

Mercury Outboard 250HP 250HP 0G760300 THRU 0T408999 Gear Hsg(Driveshaft)(Std)(S/N-0G960500 & Up)

Mercury Outboard 225HP 225HP EFI 0G760300 THRU 0T408999 Gear Hsg(Driveshaft)(Std)(S/N-0G960500 & Up)

Mercury Outboard 225HP 225HP Sea Pro 0G760300 THRU 0T408999 GEAR HSG(DRIVESHAFT-STD/COUNTER-S/N-0G960500 & UP)

Mercury Outboard 225HP 225HP 0G760300 THRU 0T408999 GEAR HSG(DRIVESHAFT-STD/COUNTER-S/N-0G960500 & UP)

Mercury Outboard 225HP 225HP Marathon 0G760300 THRU 0T408999 GEAR HSG(DRIVESHAFT-STD/COUNTER-S/N-0G960500 & UP)

Mercury Outboard 225HP 225HP Sea Pro 0G760300 THRU 0T408999 GEAR HSG(PROP SHAFT-STD-S/N-0G960499 & BELOW)

Mercury Outboard 225HP 225HP 0G760300 THRU 0T408999 GEAR HSG(PROP SHAFT-STD-S/N-0G960499 & BELOW)

Mercury Outboard 225HP 225HP Marathon 0G760300 THRU 0T408999 GEAR HSG(PROP SHAFT-STD-S/N-0G960499 & BELOW)

Mercury Outboard 225HP 225HP Marathon 0G760300 THRU 0T408999 Gear Hsg(Propshaft) (C/R)(S/N-0G960499 & Below)

Mercury Outboard 225HP 225HP 0G760300 THRU 0T408999 Gear Hsg(Propshaft) (C/R)(S/N-0G960499 & Below)

Mercury Outboard 225HP 225HP Sea Pro 0G760300 THRU 0T408999 Gear Hsg(Propshaft) (C/R)(S/N-0G960499 & Below)

Mercury Outboard 250HP 250HP 0G760300 THRU 0T408999 Gear Hsg(Propshaft) (C/R)(S/N-0G960499 & Below)

Mercury Outboard 225HP 225HP EFI 0G760300 THRU 0T408999 Gear Hsg(Propshaft) (C/R)(S/N-0G960499 & Below)

Mercury Outboard 225HP 225HP EFI 0G760300 THRU 0T408999 Gear Hsg(Propshaft) (Std)(S/N-0G960499 & Below)

Mercury Outboard 250HP 250HP 0G760300 THRU 0T408999 Gear Hsg(Propshaft) (Std)(S/N-0G960499 & Below)

Mercury Outboard 225HP 225HP Marathon 0G760300 THRU 0T408999 Gear Hsg(Propshaft)(C/R)(S/N-0G960500 & Up)

Mercury Outboard 225HP 225HP 0G760300 THRU 0T408999 Gear Hsg(Propshaft)(C/R)(S/N-0G960500 & Up)

Mercury Outboard 225HP 225HP Sea Pro 0G760300 THRU 0T408999 Gear Hsg(Propshaft)(C/R)(S/N-0G960500 & Up)

Mercury Outboard 250HP 250HP 0G760300 THRU 0T408999 Gear Hsg(Propshaft)(C/R)(S/N-0G960500 & Up)