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Mercury Outboard Parts
Shop OEM and aftermarket Mercury outboard parts for maintenance, repair, troubleshooting, and complete engine rebuild projects. Browse Mercury marine parts by system, including cooling, fuel delivery, electrical and ignition, internal engine components, lower unit parts, steering, trim, and routine service items.
Pro Marine USA carries Mercury outboard engine parts for a wide range of 2-stroke, FourStroke, EFI, Optimax, Pro XS, SeaPro, and Verado applications. Use your engine horsepower, model, serial number, or OEM part number whenever possible to confirm fitment before ordering.
Shop Mercury Outboard Parts by System
- Complete Powerheads
- Control Cables & Boxes
- Cooling System
- Cowlings & Components
- Electrical System
- Engine Oil
- Engine Rebuild Kits
- Fuel & Carburetion System
- Intake System
- Internal Engine Components
- Lower Unit Components
- Oiling System
- Paints
- Service & Oil Change Kits
- Service Manuals
- Steering Systems
- Throttle Components
- Transom & Midsection
- Trim System
- Wizard Performance Parts
Find the Correct Mercury Outboard Part
Mercury outboard parts can vary by horsepower, engine family, model year, and serial number range. If you are unsure which component fits your engine, use the OEM parts lookup to locate the original Mercury part number from an engine diagram.
Once you have the OEM part number, search Pro Marine to find available genuine Mercury and aftermarket replacement options.
Use Our OEM Parts Lookup »Common Mercury Outboard Engine Families
Pro Marine supports many Mercury outboard applications across a wide horsepower range. Always confirm the engine serial number and model information before ordering parts.
- Portable and Midrange: Mercury 2.5HP through 60HP 2-stroke and FourStroke applications
- FourStroke and EFI: common 75HP through 300HP Mercury EFI and FourStroke platforms
- Pro XS: performance-oriented Mercury Pro XS outboards across multiple engine families
- Optimax: direct-injected 2-stroke Mercury Optimax engines, commonly 75HP through 250HP
- Verado: supercharged and naturally aspirated Mercury Verado applications from 135HP through current high-horsepower platforms
- SeaPro: commercial-duty Mercury SeaPro outboards used in professional and high-hour applications
Common Mercury Outboard Repair Areas
- Overheating: inspect the water pump, impeller, thermostat, poppet valve, cooling passages, and related cooling components.
- Hard starting or rough running: inspect fuel pumps, filters, injectors or carburetors, spark plugs, coils, sensors, and intake components.
- No spark or intermittent ignition: check ignition coils, stators, switch boxes, trigger assemblies, sensors, grounds, and wiring.
- Low compression or power loss: inspect pistons, rings, cylinders, bearings, gaskets, reeds, and internal engine components.
- Lower unit noise or water intrusion: inspect seals, bearings, gears, shafts, bearing carriers, and gear lube condition.
- Trim or steering problems: inspect trim motors, pumps, hydraulic components, steering cylinders, hoses, and related rigging parts.
Why Buy Mercury Outboard Parts from Pro Marine USA?
- OEM Mercury and aftermarket replacement options for many common applications.
- Parts for maintenance, repair, engine rebuilding, lower units, electrical systems, fuel systems, steering, trim, and rigging.
- OEM diagram and part-number lookup tools to help identify the correct part before ordering.
- Dealer pricing available for qualified marine repair businesses and dealers.
- Large inventory of Mercury service parts and hard-to-find marine engine components.
- Fast weekday shipping on qualifying in-stock orders.
Frequently Asked Questions
How do I find the correct Mercury outboard part?
Use the engine horsepower, model, serial number, and year whenever available. Mercury frequently uses serial-number ranges to identify engine families, so the serial number is often the most reliable way to confirm fitment.
Can I search Mercury parts by OEM part number?
Yes. Enter the Mercury OEM part number into the Pro Marine site search to locate available OEM and aftermarket replacement options. If you do not know the part number, use the OEM parts lookup first.
Do Mercury outboard parts vary by serial number?
Yes. Many Mercury components change by serial-number range even within the same horsepower or model family. Always compare the serial range listed for the part with your engine before ordering.
Do you carry parts for Mercury Optimax and Verado engines?
Yes. Pro Marine carries parts for many Mercury Optimax, Verado, Pro XS, EFI, FourStroke, and SeaPro applications, including maintenance, fuel, electrical, cooling, internal engine, lower unit, steering, and rigging components.
Do you carry both OEM and aftermarket Mercury parts?
Yes. Pro Marine offers genuine Mercury parts along with aftermarket replacement parts for many common Mercury outboard maintenance, repair, and rebuild applications.
What Mercury outboard parts are commonly replaced during routine maintenance?
Common maintenance items include engine oil, oil filters, fuel filters, spark plugs, water pump kits, impellers, thermostats, gear lube, drain plug seals, anodes, and manufacturer-specific service kit components.
Fitment Tip: Mercury outboard parts often vary by serial-number range. Confirm your engine serial number and OEM part number whenever possible before ordering.
828437A2
9-75115
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
12576
22750
18-3534
850055
850055001
9-43029
850055A1
850055A2
8M0057463
8M0060053
831998A13
831998A14
831998A16
831998A21
831998A22
831998A9
831998T9
899113A03
Pro Marine V6 Center Main Bearing
Mercury & Mariner 2.5L V6 Powerhead Center Main Bearing
The Pro Marine 167P center main bearing is used during crankshaft service and powerhead rebuild work on select Mercury and Mariner 2.5L V6 outboards.
This bearing supports the crankshaft center main position and is commonly installed during complete engine overhauls on compatible EFI, DFI, XR6, Pro Max, Offshore, SportJet, and other Mercury 2.5L V6 applications.
Compatible Applications
| Horsepower / Model | Engine Family | Engine Type | Application Notes |
|---|---|---|---|
| 115HP | Mercury / Mariner 2.5L V6 | Carbureted | Select serial-range applications |
| 135HP / 150HP | Mercury 2.5L V6 | EFI & Carbureted | Select production applications |
| 150 XR6 | Mercury 2.5L V6 | XR6 Performance | Select XR6 applications |
| 150HP-175HP | Mercury 2.5L DFI | OptiMax / DFI | Select DFI applications |
| 175HP / 200HP | Mercury 2.5L EFI | EFI Offshore | Select Offshore and EFI models |
| 200 EFI | Mercury 2.5L | High Performance EFI | Select 2.5L EFI applications |
| 200 Pro Max | Mercury 2.5L | Pro Max | Select Pro Max applications |
| 225HP | Mercury 2.5L EFI | EFI Offshore | Select high-performance applications |
| 105 / 110 / 140 Jet | Mercury SportJet 2.5L | SportJet | Select jet drive applications |
We also stock this center main bearing in Pro Marine part number 167.
View Pro Marine Center Main Bearing 167
OEM Part Numbers & Cross References
| Type | Part Number |
|---|---|
| Mercury OEM Number | 16756 |
| Mercury OEM Cross Reference | 16756A1 |
| Mercury OEM Cross Reference | 16756A2 |
| Mercury OEM Cross Reference | 16756A3 |
| Mercury OEM Cross Reference | 16756A4 |
| Mercury OEM Cross Reference | 16756A6 |
| Mercury OEM Cross Reference | 94842 |
| Pro Marine Part Number | 167P |
What This Bearing Does
This center main bearing supports the crankshaft inside compatible Mercury and Mariner 2.5L V6 powerheads.
Center main bearings help maintain crankshaft alignment, reduce friction, and support smooth crankshaft rotation while the engine is running under load.
During a powerhead rebuild, replacing worn main bearings is critical for protecting the crankshaft, rods, pistons, and internal rotating assembly.
This bearing is commonly used by marine technicians and engine builders when rebuilding Mercury 2.5L V6 fishing, performance, and SportJet engines.
Key Features and Benefits
- Pro Marine replacement center main bearing
- Fits select Mercury and Mariner 2.5L V6 outboards
- Compatible with EFI, DFI, XR6, Pro Max, Offshore, and SportJet applications
- Replaces Mercury OEM 16756A6 and related center main bearing numbers
- Supports crankshaft alignment and smooth rotation
- Designed for marine powerhead rebuild service
- Common replacement during internal engine overhaul work
- Alternate Pro Marine version to part number 167
Center Main Bearing Details
- Brand: Pro Marine
- Part Number: 167P
- OEM References: 16756, 16756A1, 16756A2, 16756A3, 16756A4, 16756A6, 94842
- Applications: Mercury & Mariner 2.5L V6 Outboards
- Compatible Systems: EFI, DFI, XR6, Pro Max, Offshore, SportJet
- Engine Family: 2.5L V6
- System: Powerhead / Crankshaft Assembly
- Use: Center main crankshaft bearing support
FAQ
What does this center main bearing fit?
This bearing fits select Mercury and Mariner 2.5L V6 outboards including EFI, DFI, XR6, Pro Max, Offshore, and SportJet applications.
What Mercury OEM numbers does this replace?
This bearing replaces Mercury OEM numbers 16756, 16756A1, 16756A2, 16756A3, 16756A4, 16756A6, and 94842.
Is this a Pro Marine product?
Yes. This is a Pro Marine replacement center main bearing.
When is this bearing normally replaced?
It is typically replaced during powerhead rebuilds, crankshaft service, or when internal bearing wear is found during engine inspection.
Do you stock another version of this bearing?
Yes. We also stock Pro Marine part number 167 for the same general Mercury 2.5L V6 applications.
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.
- Internal engine components should be installed only by qualified technicians.
- 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
167P, 16756, 16756A1, 16756A2, 16756A3, 16756A4, 16756A6, 94842, Mercury center main bearing, Mercury crankshaft bearing, Mercury 2.5L bearing, Mercury Pro Max bearing, Mercury XR6 bearing, Mercury SportJet bearing, Mercury EFI bearing, Mercury DFI bearing, Mercury V6 main bearing, Pro Marine bearing, Mercury powerhead rebuild bearing
16756
16756A1
16756A2
16756A3
16756A4
16756A6
9-51215
94842
40290
42990A1
42990A10
42990A11
42990A2
42990A3
42990A4
42990A5
42990A6
42990A7
42990A8
42990A9
857005A1
19052A3
19052A5
19052A8
9-25108
0379258
0769657
0775546
20080
21860
53853
63742
63742T
9-51202