3853850 Volvo Circulation Pump | Genuine Used Part
3853850 Volvo Circulation Pump | Genuine Used Part
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🔧 Product Description
Genuine Volvo Penta GM V6 / V8 Engine Circulation Pump - Part Number: 3853850
A genuine used Volvo Penta belt-driven engine circulation pump for GM-based 4.3L V6 and 5.0L / 5.7L small-block V8 petrol engines using the bypass-port cooling arrangement.
The pump circulates engine coolant or raw cooling water through the cylinder block, cylinder heads and thermostat housing. Its marine construction and bidirectional impeller design allow it to operate correctly with the applicable Volvo Penta serpentine-belt routing.
⚙️ Key Features
- Genuine Volvo Penta GM small-block circulation pump
- Correct part number 3853850
- Used on selected 4.3L V6, 5.0L V8 and 5.7L V8 engines
- Bypass-port design with marine-grade impeller and seals
- Extensive MerCruiser, OMC, Sierra, Recmar and multi-brand cross-reference coverage
🚤 Compatibility
Commonly used on
- Volvo Penta GM-based petrol-engine circulation systems
- Selected sterndrive and inboard 4.3L V6, 5.0L V8 and 5.7L V8 engines
- Multi-brand GM marine engines using the same small-block bypass-port pump
Typically suits
- Engine models:
- Volvo Penta 4.3GL-A, 4.3GL-B, 4.3GL-C, 4.3GL-D, 4.3GL-E, 4.3GL-EF, 4.3GL-G and 4.3GL-GF
- Volvo Penta 4.3GXi-A, 4.3GXi-B, 4.3GXi-BF, 4.3GXi-C, 4.3GXi-CF, 4.3GXi-D, 4.3GXi-DF, 4.3GXi-E, 4.3GXi-EF, 4.3GXi-F, 4.3GXi-FF, 4.3GXi-G and 4.3GXi-GF
- Volvo Penta 4.3OSi-B, 4.3OSi-BF, 4.3OSi-C, 4.3OSi-CF, 4.3OSi-D, 4.3OSi-DF, 4.3OSi-E, 4.3OSi-EF, 4.3OSi-F, 4.3OSi-FF, 4.3OSi-G and 4.3OSi-GF
- Volvo Penta 5.0GL-A, 5.0GL-B, 5.0GL-C, 5.0GL-D, 5.0GL-E, 5.0GL-F, 5.0GL-FF, 5.0GL-H and 5.0GL-HF
- Volvo Penta 5.0GXi-A, 5.0GXi-B, 5.0GXi-BF, 5.0GXi-C, 5.0GXi-CF, 5.0GXi-D, 5.0GXi-DF, 5.0GXi-E, 5.0GXi-EF, 5.0GXi-F, 5.0GXi-FF, 5.0GXi-G, 5.0GXi-GF, 5.0GXi-N and 5.0GXi-270-R
- Volvo Penta 5.0OSi-B, 5.0OSi-C, 5.0OSi-CF, 5.0OSi-D, 5.0OSi-DF, 5.0OSi-E, 5.0OSi-EF, 5.0OSi-F, 5.0OSi-FF, 5.0OSi-G and 5.0OSi-GF
- Volvo Penta 5.7Gi-A, 5.7Gi-B, 5.7Gi-BF, 5.7Gi-C, 5.7Gi-CF, 5.7Gi-D, 5.7Gi-DF, 5.7Gi-E, 5.7Gi-EF, 5.7Gi-F, 5.7Gi-FF, 5.7Gi-G and 5.7Gi-GF
- Volvo Penta 5.7GXi-A, 5.7GXi-B, 5.7GXi-C, 5.7GXi-CF, 5.7GXi-D, 5.7GXi-DF, 5.7GXi-E, 5.7GXi-EF, 5.7GXi-F, 5.7GXi-FF, 5.7GXi-G, 5.7GXi-GF, 5.7GXi-H, 5.7GXi-HF, 5.7GXi-N, 5.7GXi-P and 5.7GXi-320-R
- Volvo Penta 5.7OSi-A, 5.7OSi-AF, 5.7OSi-B, 5.7OSi-BF, 5.7OSi-C, 5.7OSi-CF, 5.7OSi-D, 5.7OSi-DF, 5.7OSi-E, 5.7OSi-EF, 5.7OSi-G and 5.7OSi-GF
- Volvo Penta 5.7OSXi-A, 5.7OSXi-B, 5.7OSXi-C, 5.7OSXi-D, 5.7OSXi-E, 5.7OSXi-F and 5.7OSXi-G
- Volvo Penta V8-225-A, V8-225-B and V8-225-C
- Volvo Penta V8-270-A, V8-270-B, V8-270-C, V8-270-CE and V8-270-E
- Volvo Penta V8-300-A, V8-300-B, V8-300-C, V8-300-CE and V8-300-E
- Volvo Penta V8-320-A, V8-320-B, V8-320-C, V8-320-CE and V8-320-E
- MerCruiser GM 4.3L, 5.0L, 5.7L and 6.2L engines using pump 46-8M0113734
- OMC, Indmar, PCM, Marine Power and Yamaha GM-based V6 / V8 engines using the corresponding bypass-port pump
- HP Range: Approximately 190HP - 320HP
- Engine Type: GM-based marine petrol V6 and small-block V8
- Year Range: Approximately 1994 - 2014, dependent on engine suffix and cooling arrangement
🔌 Function
The circulation pump moves coolant through the engine block and cylinder heads so heat can be transferred to the thermostat-controlled raw-water or heat-exchanger circuit.
⚠️ Common Signs of Failure
- Water or coolant leakage from the shaft seal or vent hole
- Engine overheats despite normal seawater-pump operation
- Bearing noise, roughness or pulley wobble
- Serpentine belt tracks incorrectly or sheds belt dust
- Corroded impeller or internal bypass restriction reduces circulation
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 3853850 → Replaces 856364-5
- 3853850 → Replaces 835390-6
- 8503991 earlier / related circulation-pump reference
OEM / Related Numbers
- 3853850
- 856364-5
- 856364
- 835390-6
- 835390
- 8503991
- MerCruiser: 46-8M0113734
- OMC: 382218
- OMC: 509355
- OMC: 980477
- OMC: 985429
- 20318
- 3852477 - Related mounting gasket
Aftermarket / Verified Equivalents
- Recmar: REC46-8M0113734
- Sierra: 18-3583
- Sierra: 18-3599
- Repower Marine: RM95-03599
- MerCruiser / Quicksilver: 46-8M0113734
- OMC: 382218 / 509355 / 980477 / 985429
- CARMOCAR: 8M0113734-pattern circulation pump
- Marine Power / Indmar / PCM GM V6-V8 circulation-pump equivalents using the same bypass configuration
📦 Condition
- Genuine used part
- Removed from running engine where applicable
- In good working condition unless otherwise stated
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