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Starter Solenoid – Fits Volvo Penta, Mercruiser, OMC (Replaces 3859054, 809463A1)

Sale price $44.99 Regular price $71.00
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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 aftermarket Starter Solenoid – Fits Volvo Penta, Mercruiser, OMC (Replaces 3859054, 809463A1) is designed for a wide range of inboard and sterndrive engines from Volvo Penta (1969–2007), Mercruiser (1987–2009), and OMC (1984–1996). It is specifically engineered for use with 12V DC permanent magnet gear reduction (PMGR) marine starters.

It serves as a direct cross-reference for Sierra 18-5834, Arco SW463, Volvo Penta 3859054, and Mercruiser 809463A1, among other part numbers.

  • Features a standard 3-bolt mounting pattern for secure installation.
  • Designed for 12V DC systems with PMGR marine starters.
  • Connection Terminals: M8 x 1.25 (Battery & Motor), M5 x 0.8 (Switch & Relay).

Part Number Matrix

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

Brand Part Number Superseded By
Sierra 18-5834
Arco SW463
Volvo Penta 3850216 3859054
Volvo Penta 3859054
Mercruiser 809462 809463
Mercruiser 809463 809463A1
Mercruiser 809463A1
OMC 3850216

Engine & Model Compatibility

Confirm your engine model/year in the table below.

Volvo Penta: Fits various inboard and sterndrive engines from approximately 1969 to 2007.

Mercruiser: Compatible with various inboard and sterndrive engines from approximately 1987 to 2009 that use Delco PG 260 PMGR starters.

OMC: Fits various inboard and sterndrive engines from approximately 1984 to 1996 that use Delco PMGR marine starters.

Brand Model Rated HP Stroke Years OEM Part No. Notes
Volvo Penta Various Inboard/Sterndrive Various 4-Stroke 1969–2007 3850216, 3859054 3850216 superseded by 3859054
Mercruiser Various Inboard/Sterndrive Various 4-Stroke 1987–2009 809462, 809463, 809463A1 For engines using Delco PG 260 PMGR Marine Starters
OMC Various Inboard/Sterndrive Various 4-Stroke 1984–1996 3850216 For engines using Delco PMGR Marine Starters

Technical Specs

Product Type
Starter Solenoid
Voltage
12V DC
Installation
3-bolt mounting
Application
Used with PMGR Marine Starters
Fitting Type
Permanent magnet gear reduction starter
Connection
Batt. Term. M8 x 1.25, Motor Term. M8 x 1.25, Switch Term. M5 x 0.8 Post (RH), Relay Term. M5 x 0.8 Post (LH)
Thread Size
M8 x 1.25 (main terminals), M5 x 0.8 (control terminals)
Housing Material
Metal
Housing Color
Black/Silver
Dimensions
11.5 cm H x 11.5 cm W x 24.5 cm L
Weight
0.86 kg (1.9 lbs)

What’s in the Box

  • 1 x Starter Solenoid

Installation Notes

  1. Disconnect the battery terminals to prevent electrical shorts. Start with the negative terminal, followed by the positive.
  2. Identify and label the wires connected to the old solenoid terminals before removal.
  3. Remove the mounting bolts securing the old solenoid to the starter motor.
  4. Carefully detach the old solenoid from the starter assembly.
  5. Clean the mounting surfaces on the starter motor to ensure a clean, solid connection.
  6. Position the new solenoid and secure it firmly with the original mounting bolts.
  7. Reconnect the wires to the corresponding terminals on the new solenoid as labeled in step 2.
  8. Reconnect the battery terminals, starting with the positive and then the negative.
  9. Test the starter function to ensure proper operation before use.

Troubleshooting & FAQ

How do I know if this solenoid fits my specific engine model?

This solenoid is designed for a broad range of Volvo Penta, Mercruiser, and OMC engines using PMGR starters. The best way to confirm fitment is to match your old part number to one in our Part Number Matrix or check the engine compatibility table. Always visually compare your old part to our product images.

What are the signs of a failing starter solenoid?

Common symptoms include a single, loud "click" when you turn the key but the engine doesn't crank, intermittent starting issues, or a starter motor that stays engaged after the engine has started.

Can I install this myself?

While installation is straightforward for those with mechanical experience, we recommend professional installation to ensure safety and proper function. Always disconnect the battery before beginning work to prevent electrical shorts.

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.

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