17400-87822 Maintenance Kit for Suzuki DF40 DF50 | JLM Marine

17400-87822 Maintenance Kit for Suzuki DF40 DF50 | JLM Marine

This comprehensive maintenance kit is engineered for Suzuki DF40 and DF50 outboard engines manufactured between 2006 and 2010. It consolidates all essential service components into one convenient package, ensuring your engine receives complete maintenance in a single service interval.

Designed as a direct replacement for OEM part number 17400-87822, this kit provides everything needed for routine maintenance—from the water pump impeller and fuel filtration to engine oil filter, zinc anodes, and precision gaskets. Each component meets strict quality standards to deliver reliable performance and protection.

• Includes 12 individual components covering water pump, fuel system, oil system, and corrosion protection
• Features genuine wear items: impeller, filters, anodes, gaskets, and seals
• Supplied with gear oil pump for convenient lower unit servicing

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

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.

Technical Specifications

Package Contents

This maintenance kit includes the following components:

• 17471-94401 - Plate × 1
• 17472-96302 - Gasket × 1
• 09420-04006 - Key × 1
• 17461-96301 - Impeller × 1 (critical water pump component)
• 15410-87J30 - Fuel Filter × 1
• 55321-87J00 - Zinc Anode × 2 (corrosion protection)
• 09280-22019 - O-ring × 2
• 16510-87J01 - Oil Filter × 1
• 09168-12012 - Drain Gasket × 1
• 09168-10022 - Drain Gasket × 2
• 09204-03003 - Cotter Pin × 1
• 24OP149 - Gear Oil Pump × 1

Installation Guide

1. Preparation: Gather all necessary tools including socket set, screwdrivers, torque wrench, and drain pan. Ensure the engine is cool and the boat is securely supported.
2. Engine Oil Service: Remove the drain plug using the included drain gasket (09168-12012), drain old oil completely, then replace the oil filter (16510-87J01) and reinstall drain plug with new gasket.
3. Fuel Filter Replacement: Locate the fuel filter assembly, relieve fuel system pressure, then remove the old filter and install the new fuel filter (15410-87J30) ensuring proper seating and connection.
4. Water Pump Disassembly: Remove the lower unit according to your service manual. Unbolt the water pump housing and carefully note the orientation of all components.
5. Impeller Replacement: Remove the old impeller and key, clean the housing thoroughly, then install the new key (09420-04006) and impeller (17461-96301) ensuring blades face the correct direction.
6. Water Pump Reassembly: Install the new plate (17471-94401) and gasket (17472-96302), then replace O-rings (09280-22019) on pump components. Reassemble the housing with proper torque specifications.
7. Lower Unit Oil Service: Remove both drain and vent plugs with drain gaskets (09168-10022), allow old gear oil to drain completely. Use the included gear oil pump (24OP149) to refill until oil appears at the vent hole.
8. Zinc Anode Replacement: Inspect and remove old zinc anodes from the lower unit and engine block. Install the new zinc anodes (55321-87J00) and secure with the cotter pin (09204-03003).
9. Lower Unit Reinstallation: Align the lower unit with the drive shaft and water tube, then carefully slide into position. Secure with mounting bolts to manufacturer's torque specifications.
10. System Check: Refill engine oil to proper level, verify all fasteners are tight, and inspect for any loose connections or missing components.
11. Water Test: Start the engine with water supply connected (muffs or tank) and verify strong water pump discharge. Check for leaks around all serviced areas.
12. Final Inspection: Allow engine to reach operating temperature, then shut down and recheck all fluid levels. Verify no oil or fuel leaks are present.

Troubleshooting & FAQ

Q: How do I confirm this maintenance kit fits my specific Suzuki engine?
A: Verify your engine is a DF40 or DF50 model manufactured between 2006 and 2010. Check your engine's serial number plate or consult the Suzuki parts diagrams linked above to cross-reference part number 17400-87822 with your engine's service manual.

Q: How often should I perform maintenance using this kit?
A: Suzuki recommends comprehensive maintenance every 100 hours of operation or annually, whichever comes first. The impeller should be inspected annually and replaced every 2-3 years or sooner if operating in sandy or debris-laden water. Zinc anodes should be replaced when 50% depleted.

Q: What are the signs that my water pump impeller needs replacement?
A: Common indicators include weak or no water discharge from the telltale (pilot hole), engine overheating, steam from the powerhead, or reduced cooling system pressure. If you notice any of these symptoms, inspect and replace the impeller immediately to prevent engine damage.

Q: Can I reuse the old gaskets and seals if they look okay?
A: No, always replace all gaskets, O-rings, and seals during service even if they appear intact. Reusing old seals can lead to leaks, air intrusion into the water pump, or contamination of lubrication systems, compromising engine reliability.

Q: Do I need any special tools to install this maintenance kit?
A: Most installations require standard mechanic's tools: socket set, screwdrivers, and torque wrench. The included gear oil pump simplifies lower unit servicing. A service manual for your specific engine model is highly recommended for torque specifications and detailed procedures.

Q: Is this an OEM part or aftermarket replacement?
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

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

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.