Starter Motor – Fits Volvo Penta D2 Series (Replaces 21323043)
Starter Motor – Fits Volvo Penta D2 Series (Replaces 21323043) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
U.S. orders usually arrive within 6–15 days, depending on stock location and destination.
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Starter Motor – Fits Volvo Penta D2 Series (Replaces 21323043) is backordered and will ship as soon as it is back in stock.
Product Details
This aftermarket Starter Motor – Fits Volvo Penta D2 Series is engineered for 50–75 HP, 4-stroke diesel engines manufactured between 2001 and 2007. It provides reliable cranking power as a direct-fit replacement for the original factory part, ensuring your marine engine starts consistently.
It serves as a direct interchange for multiple part numbers, including Volvo Penta 21323043, Bosch 0-001-109-035, and Perkins 185086600.
- Designed for a direct bolt-on installation with a 2-bolt mount.
- Engineered for use in diesel marine environments.
- Covered by a comprehensive 2-year warranty from AB Marine Service.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number |
|---|---|
| Volvo Penta | 21323043 |
| Volvo Penta | VOE21323043 |
| Bosch | 0-001-109-035 |
| ISKRA | 11.131.267 |
| ISKRA | AZE2155 |
| JCB | 714-35600 |
| Perkins | 1850866 |
| Perkins | 185086600 |
| Perkins | U5MK8261 |
| Delco-Remy | 8000286 |
| Caterpillar | 163-3361 |
| Caterpillar | 1633361 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
Fits various Volvo Penta D2 and MD2040 series engines. Please check your specific model and year range.
Compatible with Perkins 403C and 404C series industrial diesel engines.
Cross-references indicate compatibility with select Caterpillar models.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. |
|---|---|---|---|---|---|
| Volvo Penta | D2-50F | 50 | 4-Stroke | 21323043 | |
| Volvo Penta | D2-55, D2-55A | 55 | 4-Stroke | 2001–2007 | 21323043 |
| Volvo Penta | D2-55B | 55 | 4-Stroke | 2001–2007 | 21323043 |
| Volvo Penta | D2-55C | 55 | 4-Stroke | 2001–2007 | 21323043 |
| Volvo Penta | D2-55D | 55 | 4-Stroke | 21323043 | |
| Volvo Penta | D2-55E | 55 | 4-Stroke | 21323043 | |
| Volvo Penta | D2-55F | 55 | 4-Stroke | 21323043 | |
| Volvo Penta | D2-60F | 60 | 4-Stroke | 21323043 | |
| Volvo Penta | D2-75, D2-75A | 75 | 4-Stroke | 2003–2007 | 21323043 |
| Volvo Penta | D2-75B | 75 | 4-Stroke | 21323043 | |
| Volvo Penta | D2-75C | 75 | 4-Stroke | 21323043 | |
| Volvo Penta | D2-75F | 75 | 4-Stroke | 21323043 | |
| Volvo Penta | MD2040A | 4-Stroke | 1994–2002 | 21323043 | |
| Volvo Penta | MD2040B | 4-Stroke | 1994–2002 | 21323043 | |
| Volvo Penta | MD2040C | 4-Stroke | 1994–2002 | 21323043 | |
| Volvo Penta | MD2040D | 4-Stroke | 1994–2002 | 21323043 | |
| Perkins | 3R 403C-07 | 4-Stroke | 1850866 | ||
| Perkins | 3R 403C-10 | 4-Stroke | 1850866 | ||
| Perkins | 3R 403C-11 | 4-Stroke | 1850866 | ||
| Perkins | 3R 403C-15 | 4-Stroke | 1850866 | ||
| Perkins | 4R 404C-20 | 4-Stroke | 1850866 | ||
| Perkins | 4R 404C-22 | 4-Stroke | 1850866 | ||
| Perkins | 4R44 404C-22T | 4-Stroke | 1850866 |
Technical Specs
- Product Type
- Starter Motor
- Installation
- Direct bolt-on replacement
- Fuel Type
- Diesel
- Connection
- 2-bolt mounting
- Housing Color
- Black
- Voltage
- 12V DC
- Power
- 2.0 kW
- Rotation
- Clockwise (CW)
- Teeth
- 9
- Fitting Type
- Direct drive
- Gear Diameter
- 29.3 mm
- Mounting Flange
- 74 mm
- Spacing Holes
- 111.5 mm
- Bendix Distance
- 18 mm
- Product Dimensions
- 26.0 cm (L) x 26.0 cm (W) x 14.0 cm (H)
- Warranty
- 2 Years (AB Marine Service)
What’s in the Box
- 1 x Starter Motor (21323043)
Installation Notes
- Disconnect the battery terminals to prevent electrical shorts.
- Locate and identify the old starter motor on the engine block.
- Carefully disconnect the electrical wiring from the starter solenoid and motor.
- Unbolt and remove the old starter motor from its mounting.
- Compare the new starter with the old one to confirm the mounting pattern and gear are identical.
- Install the new starter motor, ensuring it is securely bolted in place.
- Reconnect the electrical wiring to the correct terminals.
- Reconnect the battery terminals and test the new starter.
Troubleshooting & FAQ
How do I know if my existing starter motor is failing?
Common signs of a failing starter include a clicking sound when turning the key, slow or labored engine cranking, or the starter motor spinning without engaging the flywheel. If the engine won't turn over but the lights and electronics work, the starter is a likely culprit.
Will this starter fit my Perkins 404C-22 engine?
Yes, this starter motor is listed as a compatible replacement for Perkins part number 1850866, which covers the 404C-22 model. Always double-check the mounting specifications and electrical connections against your old part before installation.
What causes a marine starter motor to fail?
Failure is often due to corrosion from exposure to moisture and salt, internal wear on brushes and bearings, or electrical issues like a faulty solenoid or overheating. Loose connections and low battery voltage can also strain the motor over time.
Is this a direct drive or gear reduction starter?
This is a direct drive starter motor. The specifications confirm this fitting type, which is common for many of the listed compatible engines.
Can I install this starter myself?
While installation is straightforward for those with mechanical experience, we recommend professional installation. This ensures the starter is mounted correctly, all electrical connections are secure, and the system is tested for safe operation.
Why are there so many cross-referenced part numbers?
This starter is used across several engine manufacturers (Volvo Penta, Perkins, etc.) who each assign their own part number. Additionally, aftermarket brands create their own reference numbers. This matrix helps you confirm that our part is the correct equivalent for any of those listed numbers.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). It is built to OEM-level specifications with comparable materials. All parts are manufactured in an ISO 9002 facility and are batch-inspected for consistency and quality.
Shipping speed & cost?
We ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free; expedited options will appear at checkout if they are available for your location.
Warranty & returns?
This part is covered by a 1-year warranty against manufacturing defects under normal use. If any issues arise, contact our support team with your order details. Returns are accepted within our standard window, provided the item is unused and in its original condition. Please see our full policy page or reach out for instructions.
Safety & Important Info
- Verify images and specifications against 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 quality control.
Payment & Security
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