S2K Commerce - Products Dropdown
Actions
S2K Commerce - Order Entry
Actions
98532A1
Fits MerCruiser V8 Serpentine Belt Systems
Designed for MerCruiser V8 inboard and stern drive engines. The 15102P Serpentine Belt is a replacement accessory drive belt used on MerCruiser engines equipped with serpentine belt systems. It drives key components such as the alternator, water pump, and other engine accessories.
Compatibility
This serpentine belt fits select MerCruiser V8 engines equipped with serpentine belt systems. It replaces multiple OEM Mercury / MerCruiser belt part numbers used across these applications.
Application Chart
| Brand | Engine Model | Displacement | Engine Type | Drive System |
|---|---|---|---|---|
| MerCruiser | 5.0L V8 | 305 CID | Inboard / Stern Drive | Serpentine Belt System |
| MerCruiser | 5.7L V8 | 350 CID | Inboard / Stern Drive | Serpentine Belt System |
| MerCruiser | 6.2L V8 | 377 CID | Inboard / Stern Drive | Serpentine Belt System |
| MerCruiser | 7.4L V8 | 454 CID | Inboard / Stern Drive | Serpentine Belt System |
| MerCruiser | 8.2L V8 | 502 CID | Inboard / Stern Drive | Serpentine Belt System |
Only fits engines equipped with serpentine belt systems. Always confirm using your engine serial number and existing belt part number before ordering.
Part Numbers & Cross References
| Reference Type | Part Number |
|---|---|
| Pro Marine Part | 15102P |
| Cross Reference # | 18-15102 |
| Cross Reference # | 57-865615Q06 |
| Cross Reference # | 57-865615006 |
| Cross Reference # | 57-8638766 |
| Cross Reference # | 57-8610491 |
What This Part Is Used For
The serpentine belt is a single continuous belt that drives multiple engine accessories, including the alternator, water pump, and other components. It plays a critical role in maintaining proper engine operation.
Over time, belts can wear, stretch, or crack due to heat and continuous use. Replacing the belt helps prevent slipping, loss of accessory function, or unexpected failure while running.
Frequently Asked Questions
What engines does this belt fit?
This belt fits select MerCruiser V8 engines equipped with serpentine belt systems.
What does a serpentine belt do?
It drives multiple engine accessories such as the alternator and water pump using a single belt.
What are signs of a worn belt?
Cracking, glazing, squealing, or slipping can indicate the belt needs replacement.
How often should this be replaced?
It should be inspected regularly and replaced as part of routine maintenance or when wear is visible.
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, or FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical ground 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 Part Numbers
Pro Marine Part: 15102P
Cross Reference #: 18-15102, 57-865615Q06, 57-865615006, 57-8638766, 57-8610491
Common Search Terms: MerCruiser V8 serpentine belt, marine engine drive belt, stern drive belt replacement, 15102P belt
8610491
8638766
865615Q06
865615006
862351
862351T
865615Q10
865615010
8M0192199
807729T
8077291
8638762
865615Q02
865615Q02
865615002
Genuine Mercury MerCruiser OEM Engine Coupler
MerCruiser Bravo Engine Coupler 4.3 5.0 5.7 6.2 7.4 8.1 OEM
The Mercury MerCruiser 8M0098795 Engine Coupler is a genuine OEM replacement coupler used on many MerCruiser Bravo sterndrive applications using GM-based marine engines.
This OEM coupler replaces older Mercury / MerCruiser part numbers including 861523A9, 18311A17, 18309A2, 18311A2, and 812964A2.
Common Compatible Applications
| Engine Family | Drive Type | Common Applications |
|---|---|---|
| 4.3L MerCruiser V6 | Bravo One / Two / Three | Select carbureted and MPI applications |
| 5.0L MerCruiser V8 | Bravo One / Two / Three | Select Bravo-drive applications |
| 5.7L MerCruiser V8 | Bravo One / Two / Three | Common carbureted, EFI, MPI, and MAG applications |
| 6.2L MerCruiser | Bravo One / Two / Three | Select MPI and MAG applications |
| 7.4L MerCruiser Big Block | Bravo One / Two / Three | Select Bravo-drive big block applications |
| 8.1L MerCruiser | Bravo One / Two / Three | Select Horizon and MPI applications |
| 8.2L MerCruiser | Bravo Applications | Select late-model applications |
Engine coupler fitment depends on:
- Engine serial number
- Flywheel housing style
- Spline configuration
- Bravo drive generation
- Engine package
OEM Part Numbers & Cross References
| Brand / Type | Part Number |
|---|---|
| Mercury / MerCruiser OEM | 8M0098795 |
| Previous Mercury / MerCruiser OEM | 861523A9 |
| Previous Mercury / MerCruiser OEM | 18311A17 |
| Previous Mercury / MerCruiser OEM | 18309A2 |
| Previous Mercury / MerCruiser OEM | 18311A2 |
| Previous Mercury / MerCruiser OEM | 812964A2 |
| EMP Aftermarket Alternative | 96523 |
Looking for a Heavy-Duty Aftermarket Alternative?
EMP Heavy-Duty MerCruiser Bravo Engine Coupler
We also stock the EMP 96523 heavy-duty aftermarket engine coupler as a cost-effective replacement alternative for many Bravo applications.
View EMP CouplerWhat This Engine Coupler Does
The engine coupler transfers engine power from the flywheel assembly into the Bravo sterndrive input shaft.
A damaged coupler may cause:
- Loss of propulsion
- Drive engagement problems
- Spline stripping or wear
- Abnormal vibration
- Slipping under load
Proper engine alignment is critical during installation. Incorrect alignment is one of the leading causes of premature coupler failure.
Why Choose Genuine Mercury OEM?
- Factory-original Mercury / MerCruiser component
- Built to Mercury engineering specifications
- Correct fit and spline compatibility
- Designed for Bravo drivetrain systems
- Trusted OEM quality and durability
Key Features and Benefits
- Genuine Mercury / MerCruiser OEM engine coupler
- Replaces multiple previous Mercury part numbers
- Fits many Bravo sterndrive applications
- Compatible with GM-based marine V6 and V8 engines
- Supports Bravo One, Bravo Two, and Bravo Three drives
- Commonly used on MPI, MAG, EFI, and carbureted applications
- EMP heavy-duty alternative available
Part Details
- OEM Part Number: 8M0098795
- Previous OEM Numbers: 861523A9, 18311A17, 18309A2, 18311A2, 812964A2
- Product Type: Engine Coupler
- Application: MerCruiser Bravo Sterndrive Applications
- Drive Compatibility: Bravo One / Bravo Two / Bravo Three
- Manufacturer: Mercury Marine
FAQ
What OEM numbers does this replace?
This coupler replaces 861523A9, 18311A17,
18309A2, 18311A2, and 812964A2.
What MerCruiser engines commonly use this coupler?
Common applications include 4.3L, 5.0L, 5.7L, 6.2L, 7.4L,
8.1L, and select 8.2L Bravo applications.
Does this fit Bravo One, Two, and Three drives?
Yes, this coupler is commonly associated with Bravo One,
Bravo Two, and Bravo Three applications.
Should engine alignment be checked during installation?
Yes. Proper alignment is critical and helps prevent premature
coupler wear or spline damage.
Do you also stock an aftermarket alternative?
Yes. The EMP 96523 heavy-duty aftermarket coupler is linked above.
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.
- Parts must be new and uninstalled for return eligibility.
- Return authorization is required before returning products.
Need help with fitment or ordering?
Contact Us
Phone: 941-721-3000
Searchable Terms
8M0098795, 861523A9, 18311A17, 18309A2, 18311A2, 812964A2, 96523, MerCruiser engine coupler, Bravo engine coupler, Bravo One coupler, Bravo Two coupler, Bravo Three coupler, OEM MerCruiser coupler, MerCruiser 5.7 coupler, MerCruiser 7.4 coupler, MerCruiser 8.1 coupler, MerCruiser flywheel coupler, Mercury Marine engine coupler, Bravo drivetrain parts
18-2412
18-2412-1
18309A2
18311A17
18311A2
8M0098795
812964A2
861523A9
18-2321
9-72506
FI1100570
F3910555
F3916351
15961
18-1308
3853149
52221
52270
85701