Water Pump – Fits Volvo Penta D3 Diesel Engines (Replaces 30751022, 31293177, 31293668, 3801404, 3801636)
Water Pump – Fits Volvo Penta D3 Diesel Engines (Replaces 30751022, 31293177, 31293668, 3801404, 3801636) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
Worry-free returns
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Water Pump – Fits Volvo Penta D3 Diesel Engines (Replaces 30751022,...
Product Details
This aftermarket Water Pump – Fits Volvo Penta D3 Diesel Engines is a direct-fit replacement engineered for Volvo Penta D3 series diesel engines, ensuring reliable cooling system performance. It is designed for models that originally used OEM parts 30751022, 31293177, 31293668, 3801404, or 3801636.
The assembly serves as a direct interchange for several Volvo Penta part numbers, offering a comprehensive replacement solution.
- Installs directly in place of the factory OEM pump.
- Functions as a vital component for the D3 engine's cooling system.
- Includes one complete water pump assembly for a full replacement.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Volvo Penta | 30751022 |
| Volvo Penta | 31293177 |
| Volvo Penta | 31293668 |
| Volvo Penta | 3801404 |
| Volvo Penta | 3801636 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
| Brand | Model | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|
| Volvo Penta | D3 | 4-Stroke | 30751022/31293177/31293668/3801404/3801636 | Multiple supersessions indicate design improvements over time |
Technical Specs
- Product Type
- Water Pump Assembly
- Installation
- Direct OEM Replacement
- Connection
- Direct Mount
- Dimensions
- 15.0 x 11.0 x 11.5
- Fitting Type
- Direct Engine Mount
- Other Technical Attributes
- Vital component for the D3 engine's cooling system
What’s in the Box
- 1 x Water Pump Assembly
Installation Notes
- Disconnect the battery and drain the engine coolant into a suitable container.
- Loosen the accessory belt tensioner and remove the belt from the water pump pulley.
- Remove the water pump pulley bolts and the pulley itself.
- Disconnect any hoses attached to the water pump.
- Remove the water pump mounting bolts and carefully detach the old pump from the engine block.
- Thoroughly clean the gasket mating surface on the engine block, removing all old gasket material and residue.
- Position the new gasket and install the new water pump assembly, tightening the bolts to the manufacturer's specified torque.
- Reconnect the hoses and reinstall the pulley and accessory belt.
- Refill the cooling system with the appropriate coolant, then reconnect the battery.
- Start the engine, check for leaks, and top off the coolant level as needed once the engine reaches operating temperature.
Troubleshooting & FAQ
How do I confirm this water pump fits my Volvo Penta D3?
This pump is a direct replacement for D3 engines that use OEM part numbers 30751022, 31293177, 31293668, 3801404, or 3801636. Please verify your original part number and check our compatibility table before ordering.
What are the signs of a failing water pump?
Common symptoms include visible coolant leaks from the pump's weep hole, a whining or grinding bearing noise from the front of the engine, pulley wobble, and engine overheating warnings on your dashboard.
Why replace the entire assembly instead of just the impeller?
Replacing the complete assembly ensures all critical components (housing, impeller, bearings, and seals) are new. This prevents premature failure that can occur when an old, worn bearing or seal compromises a new impeller.
Is a special tool needed for this installation?
While standard mechanic's tools are generally sufficient, a belt tensioner tool can simplify removal and installation of the serpentine belt. Always refer to your Volvo Penta service manual for detailed procedures and torque specifications.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
Payment & Security
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