Description
Replacement Raw Water Sea Pump for Volvo Penta Marine Engines
The iFJF Raw Water Sea Pump is a direct replacement for Volvo Penta marine engines, engineered to deliver reliable cooling water circulation for your boat's engine. This pump replaces multiple OEM part numbers — 21214599, 3812693, 3857202, and 3862482 — making it a versatile solution for Volvo Penta 4.3L, 5.0L, and 5.7L GM-based engines. Whether replacing a worn-out pump or carrying a spare for peace of mind on the water, this pump ensures your engine stays cool during extended cruising, fishing trips, or watersports.
Vehicle Compatibility
| Make |
Engine |
Models |
Hose Barb |
| Volvo Penta |
4.3L V6 |
Sterndrive & Inboard (Pre-2005) |
1-1/4" |
| Volvo Penta |
5.0L V8 |
Sterndrive & Inboard (Pre-2005) |
1-1/4" |
| Volvo Penta |
5.7L V8 |
Sterndrive & Inboard (Pre-2005) |
1-1/4" |
Key Features
-
Direct OEM Replacement: Replaces Volvo Penta part numbers 21214599, 3812693, 3857202, 3862482
-
1-1/4" Hose Barbs: Fits standard Volvo Penta cooling system hose connections
-
Marine-Grade Construction: Corrosion-resistant materials for saltwater and freshwater environments
-
Complete Assembly: Includes pump body, impeller, gasket, and mounting hardware
-
Pre-2005 Fitment: Specifically designed for Volvo Penta GM-based engines before 2005
Technical Specifications
| Specification |
Detail |
| SKU |
FJ-PUMP-4599 |
| Hose Barb Diameter |
1-1/4 inches |
| Compatible Engines |
4.3L V6, 5.0L V8, 5.7L V8 (GM-based) |
| OEM Cross-References |
21214599, 3812693, 3857202, 3862482 |
| Application |
Marine sterndrive & inboard (pre-2005) |
Why Replace Your Raw Water Pump?
The raw water pump is the heart of your boat's cooling system. A failing pump can result in engine overheating, potentially causing catastrophic damage including blown head gaskets, warped heads, or a seized engine. Impeller wear is the most common failure point; rubber impellers degrade over time, especially if the boat sits unused. Industry best practice: replace the impeller annually and the complete pump assembly every 2-3 seasons for saltwater use, or 3-5 seasons for freshwater.
Installation Notes
- Verify your engine model and year — this pump is for pre-2005 Volvo Penta engines
- Measure your existing hose diameter: this pump has 1-1/4" barbs
- Use new gaskets (included) for a leak-free seal
- Apply marine-grade anti-seize to mounting bolts
- Prime the pump before first start — never run a new impeller dry
Frequently Asked Questions
Q: How do I confirm this pump fits my Volvo Penta engine?
A: This pump fits Volvo Penta 4.3L, 5.0L, and 5.7L GM-based engines manufactured before 2005 with 1-1/4" hose barbs. Check your engine serial number and measure your current pump's hose connection diameter to verify.
Q: Does this pump come with the impeller installed?
A: Yes. The pump comes as a complete assembly with the impeller pre-installed, plus gaskets and mounting hardware.
Q: Can I use this pump in saltwater?
A: Yes. The pump is constructed with marine-grade materials that resist corrosion in both saltwater and freshwater environments. Regular flushing with fresh water after saltwater use is recommended.
Q: How often should I replace the raw water pump?
A: Impellers should be replaced annually or every 100 hours. The complete pump assembly should be replaced every 2-3 seasons for saltwater use, or 3-5 seasons for freshwater use.
Q: What happens if the impeller fails while underway?
A: A failed impeller stops cooling water flow to the engine. Shut down immediately to prevent overheating damage. Always carry a spare impeller or pump on board.
