8M0097859 Service Kit for Mercury Verado | JLM Marine

8M0097859 Service Kit for Mercury Verado | JLM Marine

This comprehensive service kit is engineered for Mercury Verado outboards, covering both 135-200 HP 4-cylinder and 200-300 HP 6-cylinder models. It consolidates essential maintenance components—including the impeller, seals, thermostats, fuel filters, oil filter, and gear oil pump—into one complete package for streamlined servicing.

Designed as a direct replacement for OEM part number 8M0097859, this kit ensures your Verado engine maintains peak performance and reliability during routine maintenance intervals.

• Includes impeller, seals, gaskets, thermostat, fuel filters, oil filter, and gear oil pump
• Fits both 4-cylinder and 6-cylinder Verado engines
• Complete service solution for comprehensive maintenance

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 Mercury owners, here's a guide to help you identify your engine's serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Technical Specifications

Package Contents

This service kit includes the following components:

• 47-43026Q02 (Impeller) x 1
• 26-8M2014338 (Seal) x 1
• 2210 (Seal) x 1
• 8172761 (Plate) x 1
• 27-8172771 (Gasket) x 2
• 28-8M0032833 (Key) x 1
• 817275A1 (Housing) x 1
• 27-88798A1 (Water tube) x 1
• 27-8M0142616 (Plate) x 1
• 892864T04 (Thermostat) x 1
• 35-879885Q (Fuel filter) x 1
• 35-8M0122424 (Fuel filter) x 1
• 35-877769K01 (Oil filter) x 1
• 8M007119 / 888593 (Drain Gasket) x 1
• 830749 (Drain Gasket) x 3
• 24OP149 (Gear Oil Pump) x 1

Installation Guide

1. Disconnect the battery and ensure the engine is completely cool before beginning any service work.
2. Remove the lower unit from the outboard following the manufacturer's disassembly procedures.
3. Access the water pump housing and remove the old impeller, seals, and gaskets. Clean all mating surfaces thoroughly.
4. Install the new impeller (47-43026Q02) into the housing with blades oriented in the correct rotation direction. Apply a thin coat of marine grease to aid installation.
5. Install the new water tube (27-88798A1), seals (26-8M2014338, 2210), plates (8172761, 27-8M0142616), key (28-8M0032833), and gaskets (27-8172771) as per service manual specifications.
6. Replace the thermostat (892864T04) in its housing, ensuring proper orientation and seating.
7. Install the new fuel filters (35-879885Q, 35-8M0122424) and oil filter (35-877769K01) at their respective locations on the engine.
8. Drain the lower unit gear oil completely and replace drain gaskets (8M007119/888593 and 830749) as needed.
9. Refill the lower unit with the appropriate marine gear oil using the included gear oil pump (24OP149) until oil appears at the upper vent hole.
10. Reinstall all components and the lower unit, torquing all fasteners to manufacturer specifications.
11. Reconnect the battery and perform a water test, checking for proper cooling system operation and any leaks.
12. Inspect all filters and seals after initial operation and verify proper engine temperature and performance.

Troubleshooting & FAQ

Q: How do I confirm this service kit fits my Mercury Verado engine?
A: Verify your engine model and horsepower rating against the compatibility table above. This kit fits 135-200 HP 4-cylinder and 200-300 HP 6-cylinder Verado models. Cross-check your current OEM part number (8M0097859) with your service manual or parts diagram to ensure correct fitment.

Q: How often should I perform this service on my Verado outboard?
A: Mercury recommends annual service or every 100 hours of operation, whichever comes first. The impeller, seals, and filters should be inspected regularly and replaced if any wear or degradation is observed, especially if operating in sandy or debris-laden water.

Q: What are the signs that my water pump impeller needs replacement?
A: Common indicators include weak water flow from the telltale (pee hole), engine overheating, steam from the exhaust, or reduced cooling system performance. If you notice cracked, missing, or distorted impeller blades during inspection, immediate replacement is necessary.

Q: Can I use the included gear oil pump for other maintenance tasks?
A: Yes, the 24OP149 gear oil pump included in this kit is reusable and can be used for future lower unit oil changes on your Mercury Verado or other compatible outboards requiring similar service.

Q: Does this kit include everything I need for a complete annual service?
A: This kit provides the core maintenance components—water pump parts, filters, seals, gaskets, thermostat, and gear oil pump. You will need to supply the gear oil itself, engine oil (if performing an oil change), and any additional consumables specific to your maintenance schedule.

Q: Is this an OEM or aftermarket product?
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.