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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
827955A2
42943A1
16756A1
16756A3
16756A6
9-51215
94842
Pro Marine Center Main Bearing
Mercury & Mariner 2.5L V6 Crankshaft Center Main Bearing
The Pro Marine 167 center main bearing is a replacement crankshaft center main bearing for select Mercury and Mariner 2.5L V6 outboards.
This bearing is commonly used during powerhead rebuilds, crankshaft service, and complete engine overhauls on Mercury EFI, DFI, XR6, Pro Max, Offshore, SportJet, and high-performance 2.5L 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 alternate Pro Marine version 167P.
View Pro Marine Center Main Bearing 167P
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 | 167 |
What This Center Main Bearing is Used For
This center main bearing supports the crankshaft within compatible Mercury and Mariner 2.5L V6 powerheads.
Main bearings are critical internal engine components responsible for supporting crankshaft rotation and maintaining proper crankshaft alignment during engine operation.
Worn, damaged, or failed crankshaft bearings can contribute to vibration, crankshaft damage, excessive engine noise, and catastrophic engine failure.
Center main bearings are commonly replaced during complete engine rebuilds, crankshaft service, or high-performance engine repair work.
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, and SportJet applications
- Replaces Mercury OEM 16756A6 and related part numbers
- Supports proper crankshaft alignment and rotation
- Designed for marine high-performance engine applications
- Excellent replacement for worn or damaged crankshaft bearings
- Common service item during powerhead rebuilds
Center Main Bearing Details
- Brand: Pro Marine
- Part Number: 167
- 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
- Use: Crankshaft center main bearing support
FAQ
What engines 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 OEM numbers does this replace?
This bearing replaces Mercury OEM numbers 16756, 16756A1, 16756A2, 16756A3, 16756A4, 16756A6, and 94842.
What does a center main bearing do?
The center main bearing supports the crankshaft and allows proper crankshaft rotation inside the engine block.
When should main bearings be replaced?
Main bearings are commonly replaced during engine rebuilds, crankshaft repair, or when internal engine wear is discovered.
Do you offer another version of this bearing?
Yes. We also stock alternate Pro Marine version 167P for compatible 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
167, 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
16756
16756A1
16756A2
16756A3
16756A4
16756A6
9-51215
94842
0310433
0775443
0777366
18-1192
22700
307828
310433
67447
775443
777366
88903
88903T
8M0036405
817001
8170011
8170012
823796
42943A1
879848A02
812881A1
18-1352
22800
378252
67445