MerCruiser | Recmar
GM Inline 4/6 Circulating Water Pump for MerCruiser Volvo OMC - Replaces 8M0113733 | REC46-8M0113733
REC46-8M0113733
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Product Specifications and Features
REC46-8M0113733 is a Recmar engine circulating water pump for GM inline 4-cylinder and 6-cylinder marine petrol engines used by MerCruiser, Volvo Penta and OMC.
This is the engine-mounted circulation pump for the block cooling circuit, not a sterndrive sea-water impeller pump. It replaces MerCruiser 46-8M0113733, 8M0113733, 884727 and 879345T99, plus Volvo Penta / OMC 3854017 and 3858340.
It fits GM-based 2.5L, 3.0L and 4.0L inline marine engines, including common 110hp, 120hp, 140hp and 165hp applications.
Key Specifications
| Spec | Details |
|---|---|
| Product type | Engine circulating water pump |
| Brand | Recmar |
| SKU | REC46-8M0113733 |
| Pump type | Circulation water pump |
| Engine base | GM inline 4-cylinder and inline 6-cylinder |
| Common displacements | 2.5L / 153 CID, 3.0L / 181 CID, 4.0L / 250 CID |
| Common horsepower | 110, 120, 140 and 165 hp |
| Main MerCruiser reference | 46-8M0113733 |
| Main Volvo / OMC reference | 3858340 |
| Design | Bi-directional |
| Gasket | Included |
Engine Compatibility
| Engine family | Applications | Notes |
|---|---|---|
| MerCruiser GM inline-4 | 2.5L / 153 CID and 3.0L / 181 CID engines | 110, 120 and 140 hp families |
| MerCruiser GM inline-6 | 4.0L / 250 CID inline-6 engines | 165 hp family |
| Volvo Penta GM inline-4 | 3.0GL, 3.0GS, 3.0GXi and related 3.0L petrol engines | Volvo references 3854017, 3858340
|
| OMC GM inline engines | GM-based inline 4 and 6 cylinder OMC applications | OMC references 3854017, 3858340, 986779
|
OEM and Cross References
| Brand | Part number | Notes |
|---|---|---|
| Recmar | REC46-8M0113733 | Aftermarket circulating pump |
| MerCruiser | 46-8M0113733 | Main OEM reference |
| MerCruiser | 8M0113733 | Short-form reference |
| MerCruiser | 879345T99 | Cross-reference |
| MerCruiser | 884727 | Cross-reference |
| MerCruiser | 884727001 | Cross-reference |
| MerCruiser | 880817 | Cross-reference |
| MerCruiser | 880817R04 | Cross-reference |
| MerCruiser | 35957 | Cross-reference |
| Volvo Penta | 3854017 | OEM reference |
| Volvo Penta | 3858340 | OEM reference |
| Volvo Penta | 984360 | Cross-reference |
| Volvo Penta | 986779 | Cross-reference |
| OMC | 3854017 | OMC reference |
| OMC | 3858340 | OMC reference |
| OMC | 984360 | OMC reference |
| OMC | 986779 | OMC reference |
| Sierra | 18-3575 | Aftermarket equivalent |
| Sierra | 18-3593 | Aftermarket equivalent |
| Mallory | 9-42605 | Aftermarket equivalent |
| GLM | 15100 | Aftermarket equivalent |
| Orbitrade | 15340 | Aftermarket equivalent |
| ProTorque | PH600-0004 | Aftermarket equivalent |
Attributes
| Field | Value |
|---|---|
| Brand | Recmar |
| MPN | REC46-8M0113733 |
| Product Type | Circulating Water Pump |
| Category | Engine Parts > Cooling System > Circulating Water Pumps |
| Compatible Makes | MerCruiser, Volvo Penta, OMC |
| Engine Base | GM inline 4 and inline 6 |
| Displacement | 2.5L, 3.0L, 4.0L |
| Replaces | MerCruiser 46-8M0113733, Volvo / OMC 3858340 |
| Included Items | Pump and gasket |
Important Fitment Notes
| Fitment point | Details |
|---|---|
| Pump type | Engine circulation pump, not a sterndrive sea-water impeller pump. |
| Engine layout | For GM inline 4-cylinder and inline 6-cylinder marine engines. |
| Direction | Bi-directional pump design for marine inline engine applications. |
Shipping Information
Shipping Information
All orders ship from the UK. Orders placed Monday–Thursday before 12:00pm are processed same day. Orders placed Friday after 12:00pm through Sunday are processed the following Monday. Processing times vary by stock location.
Out of stock items can be back-ordered with a typical 3–4 week lead time.
If an item shows "Dispatch Available Today" and you order after 2pm UK time, processing begins the next business day.
All times are in UK BST.

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£62.19 GBP
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