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17400-99840 Water Pump Kit for Suzuki DF8A DF9.9A | JLM Marine
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Water Pump Kit for Suzuki DF8A DF9.9A (2010+) | OEM 17400-99840
This water pump kit is designed to fit Suzuki DF8A and DF9.9A outboard engines manufactured from 2010 onwards. It provides a reliable solution for maintaining your engine's cooling system and preventing overheating during operation.
This kit directly replaces OEM part number 17400-99840, offering a quality aftermarket alternative for routine maintenance and repair.
- Ensures proper cooling system function
- Designed for easy installation and reliable performance
- Direct replacement for Suzuki OEM part
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand | Part Number |
|---|---|
| Suzuki | 17400-99840 |
Compatible Engine Models
Confirm your engine model/year in the table below. For Suzuki owners, you can review exploded diagrams here to verify part numbers: Suzuki Parts Diagrams & Catalog.
| Brand | Model | Years | OEM Part No. |
|---|---|---|---|
| Suzuki | DF8A | 2010+ | 17400-99840 |
| Suzuki | DF9.9A | 2010+ | 17400-99840 |
Technical Specifications
| Specification | Value |
|---|---|
| OEM Part Number | 17400-99840 |
| Application | Suzuki DF8A / DF9.9A (2010+) |
| Type | Water Pump Kit |
Package Contents
This water pump kit includes all necessary components for a complete repair. Verify all parts are included before installation.
Installation Guide
- Disconnect the battery and ensure the engine is completely cool before beginning work.
- Remove the lower unit from the outboard motor following your service manual's instructions.
- Locate the water pump housing on the lower unit and remove the securing bolts.
- Carefully remove the old impeller and inspect the housing for wear, scoring, or damage.
- Clean all old gasket material and debris from the pump housing and mating surfaces thoroughly.
- Lubricate the new impeller with glycerin or soapy water (never use petroleum-based lubricants).
- Install the new impeller into the housing, ensuring the blades face the correct direction per your manual.
- Install new gaskets and seals included in the kit in their proper positions.
- Reassemble the water pump housing and torque all bolts to manufacturer specifications.
- Reinstall the lower unit onto the motor, ensuring all alignment marks are correct.
- Reconnect the battery and perform a water test to verify proper cooling system operation.
- Check for leaks and confirm strong water stream from the telltale indicator during initial run.
Troubleshooting & FAQ
Q: How do I confirm this water pump kit fits my Suzuki engine?
A: Check that your engine is a DF8A or DF9.9A model manufactured in 2010 or later. You can verify your engine's model and year using the serial number plate on the motor, or cross-reference the OEM part number 17400-99840 in your parts diagram.
Q: How often should I replace my water pump?
A: Most manufacturers recommend replacing the water pump impeller every 2-3 years or 200-300 hours of operation, whichever comes first. If you notice overheating, weak water flow from the telltale, or the engine has been stored dry for extended periods, replacement is advised regardless of hours.
Q: What are the signs my water pump is failing?
A: Common symptoms include overheating warnings, reduced or no water flow from the telltale indicator, steam coming from the engine, loss of power under load, and the engine running hotter than normal. Address these issues immediately to prevent serious engine damage.
Q: What's the difference between OEM and aftermarket water pump kits?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- 17471-99J00 (Plate) × 1
- 17473-94J00 (Gasket) × 1
- 17472-99J00 (Gasket) × 1
- 09420-03003/5/9 (Key) × 1
- 17461-93901/02/03 (Impeller) × 1
- 15410-98500 (Fuel filter) × 1 View Part →
- 55321-87J00 (Zinc Anode) × 2
- 09280-22019 (Anode O-ring) × 2
- 11265-87E10 (Anode Gasket) × 2
- 16510-45H10 (Fuel filter) × 1 View Part →
- 09280-13004 (O-ring) × 1
- 09280-54001 (O-ring) × 1
- 09168-12017 (Drain Gasket) × 1
- 59178-97J00 (Drain Gasket) × 2
- 09204-02004 (Cotter Pin) × 1
- 24OP149 (Gear Oil Pump) × 1
Why Choose JLM MARINE?
- Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
- Fast Global Shipping: Free delivery worldwide in 5–15 days.
- Direct from Manufacturer: Competitive pricing without compromising quality.
We can ship to virtually any address in the world with free shipping available for most regions.
For our typical US and Canadian customers , our shipping timeframes are as follows:
- Amazon FBA: orders will be delivered within 1-5 business days after placing the order (during certain special periods such as major promotions, Christmas, etc., the delivery time of Amazon FBA may be affected).
- US warehouse shipment: orders will be delivered within 5 days after placing the order.
- China warehouse shipment: orders will be delivered about 12 days after placing the order.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Founded in 2002, JLM Marine has established itself as a dedicated manufacturer of high-quality marine parts, based in China. Our commitment to excellence in manufacturing has earned us the trust of top marine brands globally.
As a direct supplier, we bypass intermediaries, which allows us to offer competitive prices without compromising on quality. This approach not only supports cost-efficiency but also ensures that our customers receive the best value directly from the source.
We are excited to expand our reach through retail channels, bringing our expertise and commitment to quality directly to boat owners and enthusiasts worldwide.
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