Suzuki Maintenance Kit – Fits Suzuki 25A/30A 4-Stroke Outboards (Replaces 17400-94821, 17400-94824)

$99.99

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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.).

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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 complete Suzuki Maintenance Kit – Fits Suzuki 25A/30A 4-Stroke Outboards, designed for 25 HP and 30 HP engines from 2015 to the present. It includes all the necessary components for a standard 100-hour or annual service, ensuring your engine remains in top operating condition.

This kit serves as a direct replacement for Suzuki OEM part numbers 17400-94820, 17400-94821, 17400-94823, 17400-94824, and 17400-94825, offering a comprehensive and reliable service solution.

Engineered for direct-fit installation.
Matches OEM service kit specifications.
Contains essential filters, gaskets, and water pump components.

Part Number Matrix

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

Brand	Part Number	Superseded By	Notes
Suzuki	17400-94821	17400-94824	Direct replacement.
Suzuki	17400-94820		Alternative reference.
Suzuki	17400-94823		Alternative reference.
Suzuki	17400-94825		Alternative reference.

Engine & Model Compatibility

Confirm your engine model/year in the table below.

Brand	Model	Rated HP	Stroke	Years	OEM Part No.	Notes
Suzuki	DF25A	25	4-Stroke	2015–Present	17400-94821/17400-94824	17400-94824 supersedes 17400-94821
Suzuki	DF30A	30	4-Stroke	2015–Present	17400-94821/17400-94824	17400-94824 supersedes 17400-94821

Technical Specs

Product Type: Maintenance Kit
Installation: Direct Replacement
Fuel Type: Gasoline
Other Technical Attributes: OEM Service Kit
Dimensions: 19.0" L x 16.5" W x 15.0" H

What’s in the Box

1 x Water Pump Repair Kit (17400-94L21)
1 x PIN (09204-03003)
1 x GASKET (09168-12017)
2 x DRAIN PLUG GASKET (59178-97J00)
1 x FUEL FILTER (15410-87L00)
1 x OIL FILTER ASSEMBLY (16510-87J01)
5 x PROTECTION ANODE (55321-87J01)
1 x O RING (09280-22019)

Installation Notes

Disconnect the battery and ensure the engine is tilted to a safe working position.
Drain the engine oil and the lower unit gear oil, replacing the drain plug gaskets upon refilling.
Remove the lower unit to access the water pump. Replace the impeller and related components from the kit.
Replace the engine oil filter and fuel filter.
Locate and replace all specified protection anodes.
Replace the pin and O-ring as provided in the kit.
Reassemble all components, ensuring all bolts are torqued to the manufacturer's specification.
Refill with the correct grade of engine oil and gear lube.
Start the engine and check for proper water circulation, oil pressure, and any leaks.

Troubleshooting & FAQ

How do I know if this kit fits my outboard?

This kit is specifically for the Suzuki DF25A and DF30A (4-Stroke) models from 2015 to the present. Please verify your model and year before purchasing.

What's the difference between part number 17400-94821 and 17400-94824?

Suzuki has updated its parts over time. Part number 17400-94824 is the official supersession for 17400-94821, meaning it is the newer, recommended replacement. This kit is compatible with both references.

How often should I use this maintenance kit?

For optimal performance and longevity, Suzuki recommends service annually or every 100 hours of operation, whichever comes first. Refer to your owner's manual for the exact service schedule.

What are signs that my water pump needs service?

Common indicators include the engine overheating at idle or low speeds, a weak or inconsistent water stream from the "tell-tale" outlet, or a brittle or cracked impeller found during inspection.

Does this kit include gearcase drain gaskets?

Yes, two drain plug gaskets (part number 59178-97J00) for the lower unit are included in this kit.

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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