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Fuel Injector Assembly – Fits Suzuki DF40A/DF50A/DF60A 40–60HP (Replaces 15710-85K00, 15710-85K00-000)

Sale price $55.11 Regular price $88.00
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Fuel Injector Assembly – Fits Suzuki DF40A/DF50A/DF60A 40–60HP (Replaces 15710-85K00, 15710-85K00-000) is backordered and will ship as soon as it is back in stock.


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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 Fuel Injector Assembly – Fits Suzuki DF40A/DF50A/DF60A 40–60HP (Replaces 15710-85K00, 15710-85K00-000) is designed for Suzuki DF40A, DF50A, and DF60A 4-stroke outboard engines (40–60 HP) manufactured from 2010–2024. It provides a reliable solution for restoring fuel system performance.

This component is a direct replacement for Suzuki OEM part numbers 15710-85K00 and 15710-85K00-000.

  • Installs directly in place of the factory OEM part.
  • Engineered for use with unleaded gasoline (87 octane or higher).
  • Includes an integrated electrical connector and wire harness for a secure fit.

Part Number Matrix

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

Brand Part Number
Suzuki 15710-85K00
Suzuki 15710-85K00-000

Engine & Model Compatibility

Confirm your engine model/year in the table below.

For Suzuki models, please verify your engine’s serial number against the ranges specified in the notes to ensure correct fitment.

Brand Model Rated HP Stroke Years OEM Part No. Notes
Suzuki DF40A 40 4-Stroke 2010–2024 15710-85K00 Serial 04003F-910001 and later
Suzuki DF40AS 40 4-Stroke 2018–2024 15710-85K00 Serial 04004F-910001 and later
Suzuki DF50A 50 4-Stroke 2010–2024 15710-85K00 Serial 05003F-910001 and later
Suzuki DF50AV 50 4-Stroke 2018–2024 15710-85K00 Serial 05004F-910001 and later
Suzuki DF60A 60 4-Stroke 2010–2024 15710-85K00 Serial 06002F-910001 and later
Suzuki DF60AV 60 4-Stroke 2018–2024 15710-85K00 Serial 06003F-910001 and later

Technical Specs

Product Type
Fuel Injector Assembly
Installation
Direct replacement for OEM part
Fuel Type
Unleaded gasoline, 87 octane or higher
Connection
Electrical connector with wire harness
Housing Material
Metal and plastic components
Housing Color
Black with metallic components
Dimensions
6.0 × 2.0 × 2.0 in
Weight
0.05 kg (1.76 oz)
Fitting Type
Direct bolt-on replacement
Other Technical Attributes
8-hole injector design, DOHC 12-valve compatibility, electrical resistance 11.0-16.5Ω

What’s in the Box

  • 1 x Fuel Injector Assembly (15710-85K00)

Installation Notes

  1. Disconnect the negative battery terminal to prevent electrical shorts.
  2. Carefully relieve the pressure from the fuel system according to your service manual.
  3. Disconnect the electrical connector and fuel line from the injector you are replacing.
  4. Remove the mounting bolts that hold the fuel rail in place and gently lift it away.
  5. Remove the old fuel injector from the fuel rail. Note its orientation.
  6. Lightly lubricate the O-rings on the new injector with clean engine oil.
  7. Press the new injector firmly into the fuel rail until it seats properly.
  8. Reinstall the fuel rail and tighten the mounting bolts to the manufacturer's specified torque.
  9. Reconnect the fuel line and electrical connector to the new injector.
  10. Reconnect the battery terminal.
  11. Turn the ignition key to the 'On' position (without starting the engine) a few times to prime the fuel system and check thoroughly for any leaks before starting the engine.

Troubleshooting & FAQ

Which Suzuki engines is this injector for?

This fuel injector fits Suzuki DF40A, DF50A, and DF60A 4-stroke outboard engines (40–60 HP) from model years 2010 through 2024.

How do I confirm this part fits my specific engine?

Check the compatibility table on this page. It is critical to verify your engine's serial number falls within the specified range for your model, as listed in the 'Notes' column.

What are the signs of a failing fuel injector?

Common symptoms include rough idling, poor acceleration, increased fuel consumption, engine misfires (with potential error codes), or difficulty starting the engine.

Is this a direct replacement?

Yes, it is designed to be a direct-fit replacement for Suzuki OEM part numbers 15710-85K00 and 15710-85K00-000, requiring no modifications for 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.

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