Gasket Kit, Powerhead
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Compatible Applications
| Brand | Application | Engine Type | Application Notes |
|---|---|---|---|
| Johnson / Evinrude (OMC) | Big Bore V8 | 2-Stroke Outboard | Confirm fitment with your model and serial number |
What is Included
| Qty | Included Part | Part Number |
|---|---|---|
| 1 | Gasket, Powerhead Base | 1632 |
| 1 | Seal Kit, Crankshaft | 1776 |
| 2 | Seal, Thermostat Seat | 1960 |
| 2 | Gasket, Intake | 1972 |
| 8 | Gasket, Reed Box | 1974 |
| 4 | Gasket, Carb Throttle Plate | 1977 |
| 2 | Diaphragm, Vernatherm | 2210 |
| 2 | Gasket, Cylinder Head | 3885 |
What This Kit is Used For
This Pro Marine powerhead gasket kit supplies the gaskets and seals needed to reseal the powerhead during a rebuild or major repair on Johnson / Evinrude (OMC) Big Bore V8 two-stroke outboards.
Key Features and Benefits
- Powerhead gasket kit for Johnson / Evinrude (OMC) Big Bore V8
- 22 pieces across 8 part numbers, listed above
- Includes the cylinder head gaskets
- Cross-references 18-4320 and 39070
- Aftermarket replacement
Kit Details
- Kit Part Number: 4320
- Manufacturer: Pro Marine (Aftermarket)
- Kit Type: Powerhead gasket kit
- Engine Type: 2-Stroke Outboard
- Head Gasket: Included
- Cross Reference: 18-4320, 39070
FAQ
What does this kit fit?
This kit fits Johnson / Evinrude (OMC) Big Bore V8 two-stroke outboards. Confirm your model and serial number before ordering.
What part numbers does it replace?
It cross-references 18-4320 and 39070.
Is the head gasket included?
Yes. The cylinder head gaskets are included.
Shipping information
Use this text to share information about your product.
Returns & warranty
Use this text to share information about your product.