S2K Commerce - Products Dropdown
Actions
S2K Commerce - Order Entry
Actions
Cooling System | Honda Outboard
Shop Honda outboard cooling system parts by category, including impeller repair kits, impellers, thermostats, and water pump components. Keeping the cooling system in top shape helps prevent overheating, weak water flow, and expensive internal engine damage during maintenance, repair, and rebuild projects.
Shop Cooling System Categories
Common Honda Cooling System Problems and Where to Start
If your Honda outboard is overheating or water flow looks weak, do not keep running it. Start by isolating the most likely failure point below, then confirm fitment by your exact model and serial number.
- Weak or no telltale stream: start with Impellers and inspect for missing vanes, cracks, glazing, or a spun hub. Also check for debris in the inlet and pump housing.
- Overheat alarm or hot cylinder head: check Thermostats for a stuck closed condition and inspect water passages for restriction.
- Recent impeller change but still poor flow: inspect Water Pump Components for a scored wear plate, damaged housing, missing grommets, or improper assembly.
- Need service parts without replacing the full housing: use Impeller Repair Kits (No Housing) when the housing is reusable but the internal service parts are worn.
- Steam from exhaust relief or inconsistent water stream: verify impeller condition and thermostat operation, then check for air leaks on the suction side of the pump and restrictions in the cooling circuit.
For rebuild and reliability work, it is smart to service the water pump on schedule and replace thermostats when symptoms point to temperature control issues. A neglected cooling system can lead to warped components and internal engine damage.
18-3540
19300-ZY6003
6E5-12411-10-00
6E5-12411-20-00
6E5-12411-30-00
688-12411-00-00
688-12411-01-00
688-12411-10-00
688-12411-11-00
8M0175319
8M6010294
334650210
334650210M
8M0214944
803748
HZX219300003
18-3632
19300-ZX2-003
5033721
5033721
6CB-12411-00-00
67F-12411-00-00
67F-12411-01-00
8M0175321
8M6010296
8556761
18-3628
18-3628-1
18-43175
19300-ZW9-003
19300-ZY3-023
3NV010300
3NV010300M
3R3010300
3R3010300M
3SA010300
3SA010300M
6G8-12411-00-00
6G8-12411-01-00
6G8-12411-02-00
6G8-12411-03-00
66M-12411-00-00
66M-12411-01-00
8M0119207
825212
825212A1
825212T02
825212001
855676
855676A1
855676002
855676003
855676005
25hp 2004 & Up
30hp 2004 & Up
40hp 2004 & Up
50hp 2004 & Up
75hp 2007 & Up
90hp 2007 & Up
100hp Pre 1997ย
Johnson / Evinrude
10hp aa Model, 2012 (aa, ab, af Model)
15hp aa Model, 2012 (aa, ab Model)
Mercury
8hp 1995-2024
9.9hp 1995-2000
13.5hp 1999-2006
15hp 1998-2021
25hp 1998-2006
30hp 1999-2021
40hp 1999-2006
50hp 1995-2001
75hp 2000-2003
90hp 2000-2003
ย
ย
ย
Tohatsu
8hp 2004-2022
9.8hp 2003-2022
9.9hp 2002-2011ย
15hp 2002-2017
18hp 2002-2008ย
20hp 2008-2017
25hp 2002-2018
30hp 2002-2018ย
60hp 2014-2019
75hp 2014-2019
90hp 2014-2019ย
Yamaha
4hp 1986-1988, 2001-2023
6hp 2001-2022ย
8hp 2001-2024
9.9hp 1985-2024
15hp 1998-2024
20hp 2006-2024ย
25hp 1998-2018
30hp 2005-2024ย
40hp 2000-2024
50hp 1995-2024
60hp 2005-2024
70hp 2012-2023ย
75hp 2005-2024
80hp 1999-2000ย
90hp 2005-2024ย
115hp 2005-2024ย
130hp 2003, 2021
150hp 2003-2010ย
175hp 2003-2005ย
200hp 2003-2019
225hp 2003-2018
250hp 2003-2018
300hp 2004-2009
350hp 2008-2018
425hp 2018-2023ย
450hp 2023
HZW919300003
HZY3-19300-023
HZY319300023
13012
18-3541
18-3611
18-3628
18-3628-1
18-43175
19300-ZW9-003
19300-ZY3-023
3NV010300
3NV010300M
3R3010300
3R3010300M
3SA010300
3SA010300M
5041185
6AH-12411-00-00
6G8-12411-00-00
6G8-12411-01-00
6G8-12411-02-00
6G8-12411-03-00
66M-12411-00-00
66M-12411-01-00
8M0119207
825212
825212A1
825212T02
825212001
8252121A1
855676
855676A1
855676002
855676003
855676005
9-43036
Pro Marine Shift Shaft Seal
Yamaha, Mercury & Honda Shift Shaft Seal Replacement
This Pro Marine replacement shift shaft seal is used on select Yamaha, Mercury, and Honda outboard lower units. It helps seal the shift shaft area to prevent water intrusion and gear lubricant leakage.
Designed as a replacement for Yamaha, Mercury, Honda, Sierra, Mallory, and GLM cross-reference numbers, this seal is commonly used during lower unit reseal, shift shaft service, and gearcase repair.
Compatible Applications
| Brand | Engine Range | Engine Type | Application Notes |
|---|---|---|---|
| Yamaha | 40HP-250HP | 2-Stroke | 1984-Up select models |
| Yamaha | F30-F300 | FourStroke | 1995-Up select models |
| Yamaha SHO | VF90-VF250 | FourStroke SHO | 2010-Up select models |
| Mercury | 50HP-450HP | 3-Cylinder, 4-Cylinder, V6, V8 | Select outboard applications |
| Honda | 75HP-90HP | FourStroke | 1997-1998 select models |
Compatible Shift Shaft Seal Carrier
View Pro Marine 25 Inch Shift Shaft Seal Carrier
Replacing the seal when servicing the carrier is recommended to help maintain proper lower unit sealing.
OEM & Aftermarket Cross Reference Numbers
| Brand / Type | Part Numbers |
|---|---|
| Yamaha | 93106-09014-00 |
| Mercury / Quicksilver | 8M0204708, 816461, 816464, 8164641, 82257M, 916464 |
| Honda | 91253-ZW1-003 |
| GLM / Aftermarket | 85223, 85581 |
What This Shift Shaft Seal is Used For
This shift shaft seal is installed in the lower unit to seal around the shift shaft where it passes through the gearcase housing or seal carrier.
A properly sealing shift shaft seal helps keep water out of the lower unit and helps keep gear lubricant inside the gearcase during operation.
Shift shaft seals are commonly replaced during lower unit resealing, water intrusion repair, shift shaft service, or complete gearcase rebuilds.
Replacing worn, hardened, or leaking seals can help protect internal gears, bearings, and shafts from water-contaminated gear lube.
Key Features and Benefits
- Pro Marine aftermarket replacement shift shaft seal
- Fits select Yamaha, Mercury, and Honda outboards
- Direct replacement for Yamaha OEM 93106-09014-00
- Cross references to Mercury 8M0204708, 816461, 816464, 8164641, and 82257M
- Cross references to Honda 91253-ZW1-003
- Helps prevent water intrusion into the lower unit
- Helps prevent gear lubricant leakage
- Common replacement during lower unit reseal service
Shift Shaft Seal Details
- Brand: Pro Marine
- Part Type: Shift Shaft Seal
- Pro Marine Item Number: 7620
- Manufacturer Item: 93106-09014-00
- Application: Select Yamaha, Mercury, and Honda outboard lower units
- System: Lower Unit / Gearcase
- Use: Shift shaft sealing
- Associated Carrier: 65N-45321-00-00
FAQ
What engines does this shift shaft seal fit?
This seal fits select Yamaha 40HP-250HP 2-stroke models, Yamaha F30-F300 four stroke models, Yamaha VF90-VF250 SHO models, Mercury 50HP-450HP outboards, and Honda 75HP-90HP applications.
Is this a genuine OEM seal?
No. This is a Pro Marine aftermarket replacement seal designed to replace multiple OEM and aftermarket part numbers.
What Yamaha OEM number does this replace?
This seal replaces Yamaha OEM part number 93106-09014-00.
What Mercury part numbers does this replace?
This seal cross references to Mercury and Quicksilver part numbers 8M0204708, 816461, 816464, 8164641, 82257M, and 916464.
Should I replace this seal when replacing the shift shaft seal carrier?
Yes. Replacing the seal during carrier service is recommended to help prevent leaks and water intrusion.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1–5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Items must be new, unused, and in original packaging.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Terms
7620, 93106-09014-00, 8M0204708, 816461, 816464, 8164641, 82257M, 85223, 85581, 91253-ZW1-003, 916464, Yamaha shift shaft seal, Mercury shift shaft seal, Honda shift shaft seal, Yamaha lower unit seal, Mercury lower unit seal, Honda lower unit seal, Pro Marine shift shaft seal, 65N-45321-00-00, Yamaha 25 inch seal carrier, lower unit reseal parts
18-2054
18-8347
508481
76384
8M0204708
816461
816464
8164641
82257M
85223
85581
9-76116
9-76117
9-76423
91253-ZW1-003
916464
93106-09014-00