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Starter Motor 3840888 – Fits Volvo Penta D1-13, D1-20, MD2010, MD2020 (Replaces 23140597, 3803904)

Sale price $99.99 Regular price $159.00
Shipping calculated at checkout.

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.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Delivery and Shipping

Free standard shipping on all orders under 1 KG

If you have any questions, feel free to email us at info@sierramarines.com, and we’ll get back to you within 20–36 hours.

Product Details

This is a direct-replacement Starter Motor 3840888 designed to fit Volvo Penta D1-13, D1-20, MD2010, and MD2020 series diesel engines from 2001 to the present. It provides reliable cranking power for starting in marine environments.

It serves as a direct interchange for Volvo Penta part numbers 3840888, 23140597, 3803904, and 861845.

  • Installation Method: Direct replacement
  • Voltage: 12V
  • Special Attributes: Features marine-specific corrosion protection

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket suppliers.

Brand Part Number
Volvo Penta 3840888
Volvo Penta 23140597
Volvo Penta 3803904
Volvo Penta 861845

Engine & Model Compatibility

Confirm your engine model and year in the table below.

Brand Model Rated HP Stroke Years OEM Part No. Notes
Volvo Penta D1-13 13 4-Stroke 2001–Present 3840888/23140597/3803904 Diesel
Volvo Penta D1-13A 13 4-Stroke 2001–Present 3840888/23140597/3803904 Diesel
Volvo Penta D1-13B 13 4-Stroke 2001–Present 3840888/23140597/3803904 Diesel
Volvo Penta D1-13F 13 4-Stroke 2001–Present 3840888/23140597/3803904 Diesel
Volvo Penta D1-20 20 4-Stroke 2001–Present 3840888/23140597/3803904 Diesel
Volvo Penta D1-20A 20 4-Stroke 2001–Present 3840888/23140597/3803904 Diesel
Volvo Penta D1-20B 20 4-Stroke 2001–Present 3840888/23140597/3803904 Diesel
Volvo Penta D1-20F 20 4-Stroke 2001–Present 3840888/23140597/3803904 Diesel
Volvo Penta MD2010 4-Stroke 3840888/23140597/3803904 Diesel
Volvo Penta MD2010A 4-Stroke 3840888/23140597/3803904 Diesel
Volvo Penta MD2010B 4-Stroke 3840888/23140597/3803904 Diesel
Volvo Penta MD2010C 4-Stroke 3840888/23140597/3803904 Diesel
Volvo Penta MD2010D 4-Stroke 3840888/23140597/3803904 Diesel
Volvo Penta MD2020 4-Stroke 3840888/23140597/3803904 Diesel
Volvo Penta MD2020A 4-Stroke 3840888/23140597/3803904 Diesel
Volvo Penta MD2020B 4-Stroke 3840888/23140597/3803904 Diesel
Volvo Penta MD2020C 4-Stroke 3840888/23140597/3803904 Diesel
Volvo Penta MD2020D 4-Stroke 3840888/23140597/3803904 Diesel

Technical Specs

Product Type
Starter Motor
Installation
Direct replacement
Voltage
12V
Number of Teeth
8
Dimensions
35.0cm x 24.0cm x 15.0cm (L x W x H)
Warranty
1 Year (RECMAR and FridayParts warranty)
Other Technical Attributes
Marine-specific corrosion protection

What’s in the Box

  • 1 x Starter Motor (3840888/23140597/3803904)

Installation Notes

  1. Disconnect the battery terminals, starting with the negative cable, to prevent electrical shorts.
  2. Locate the existing starter motor on the engine block and disconnect its electrical wiring.
  3. Unbolt and carefully remove the old starter motor from its mounting position.
  4. Visually compare the new starter with the old one to ensure the mounting points and gear alignment match.
  5. Mount the new starter motor, ensuring it is securely fastened to the engine.
  6. Reconnect the electrical cables to the correct terminals on the new starter.
  7. Reconnect the battery terminals, starting with the positive cable.
  8. Test the new installation by starting the engine to confirm proper operation.

Troubleshooting & FAQ

How do I know if my starter motor needs replacing?

Common signs of a failing starter include a clicking sound when you turn the key, slow engine cranking, grinding noises during startup, or the engine failing to start intermittently. If you experience any of these, it's wise to test the starting system.

Will this fit my MD2010B engine?

Yes, this starter is listed as compatible with the entire Volvo Penta MD2010 series, including the MD2010B variant. Always double-check your existing part number to ensure a perfect match.

Is any special maintenance required for this starter?

No special maintenance is needed. However, keeping all electrical connections clean, dry, and tight will ensure its longevity and reliable performance in the marine environment.

What is the difference between this starter and the original Volvo Penta part?

This is an aftermarket part designed to meet or exceed OEM specifications for fit, form, and function. It offers comparable performance and durability to the original at a more competitive price point.

Is this a 12V or 24V starter?

This is a 12V starter motor with 8 teeth on the drive gear, as specified for the compatible Volvo Penta engine models.

Can I install this myself?

Installation is straightforward for those with mechanical experience. However, due to the importance of correct electrical and mechanical connections for engine safety, we recommend professional installation.

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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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

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