SKU: 64004821705

8H033302 Maintenance Service Kit for Honda BF35A BF40A BF45A BF50A | JLM Marine

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Description

8H033302 Maintenance Service Kit for Honda BF35A BF40A BF45A BF50A | JLM MarineMaintenance Service Kit for Honda BF35A BF40A BF45A BF50A OEM Ref. 8H033302 This maintenance service kit is designed to fit the Honda BF35A, BF40A, BF45A, and BF50A outboard engines. It bundles the most commonly replaced service items into a single package, making routine maintenance more convenient and ensuring all critical components are refreshed together. Offered as an aftermarket replacement referencing OEM part number 8H033302, this kit covers

Maintenance Service Kit for Honda BF35A BF40A BF45A BF50A – OEM Ref. 8H033302

This maintenance service kit is designed to fit the Honda BF35A, BF40A, BF45A, and BF50A outboard engines. It bundles the most commonly replaced service items into a single package, making routine maintenance more convenient and ensuring all critical components are refreshed together.

Offered as an aftermarket replacement referencing OEM part number 8H033302, this kit covers the oil filter, fuel filter, lower unit drain gaskets, O-rings, and gear oil pump—the core components needed for a thorough service interval on these Honda four-stroke outboards.

  • Includes five distinct component types covering lubrication, fuel delivery, and sealing needs.
  • Compatible with Honda BF35A, BF40A, BF45A, and BF50A outboard engines.
  • Aftermarket replacement referencing Honda OEM service kit 8H033302.

Part Number Cross-Reference

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

Brand Part Number Notes
Honda (OEM Reference) 8H033302 Original service kit reference number
Honda (OEM Reference) 15400-PFB-014 Oil Filter
JLM Marine (Aftermarket) 23OF804 Aftermarket ref. for Oil Filter
Honda (OEM Reference) 16900-SA5-004 Fuel Filter
JLM Marine (Aftermarket) 23FF050 Aftermarket ref. for Fuel Filter
Honda (OEM Reference) 12-191833 Lower Unit Drain Gasket
JLM Marine (Aftermarket) 2151 Aftermarket ref. for Lower Unit Drain Gasket
Honda (OEM Reference) 91301-ZW4-003 O-Ring
JLM Marine (Aftermarket) 5226 Aftermarket ref. for O-Ring
JLM Marine (Aftermarket) 24OP149 Gear Oil Pump

Compatible Engine Models

Confirm your engine model/year in the table below.

Brand Model Notes
Honda BF35A
Honda BF40A
Honda BF45A
Honda BF50A

Technical Specifications

Specification Value
OEM Reference Number 8H033302
Compatible Brand Honda
Compatible Models BF35A, BF40A, BF45A, BF50A
Kit Contents Count 5 component types (9 total pieces)
Part Type Aftermarket Maintenance Service Kit

Package Contents

  • Oil Filter (OEM Ref: 15400-PFB-014 / JLM Ref: 23OF804) — Qty: 1
  • Fuel Filter (OEM Ref: 16900-SA5-004 / JLM Ref: 23FF050) — Qty: 1
  • Lower Unit Drain Gasket (OEM Ref: 12-191833 / JLM Ref: 2151) — Qty: 3
  • O-Rings (OEM Ref: 91301-ZW4-003 / JLM Ref: 5226) — Qty: 3
  • Gear Oil Pump (JLM Ref: 24OP149) — Qty: 1

Installation Guide

  1. Prepare the engine: Ensure the outboard is off, cool, and secured on the boat or a service stand. Disconnect the battery negative terminal before beginning work.
  2. Drain the engine oil: Remove the oil drain plug and allow old oil to drain fully into a suitable container. Dispose of used oil in accordance with local regulations.
  3. Replace the oil filter (15400-PFB-014): Unscrew the old oil filter and clean the mounting surface. Install the new oil filter hand-tight, then snug per manufacturer torque spec.
  4. Replace the fuel filter (16900-SA5-004): Locate the inline fuel filter and relieve any fuel line pressure before disconnecting. Install the new fuel filter with flow-direction arrow pointing toward the engine.
  5. Drain the lower unit gear oil: Remove both the upper vent plug and lower drain plug from the gear case. Allow all old gear oil to drain completely.
  6. Replace the lower unit drain gaskets (12-191833): Discard the old crush/copper gaskets. Install new gaskets on both the drain plug and vent plug before reinstalling them.
  7. Replace the O-rings (91301-ZW4-003): Inspect all relevant sealing points and replace worn or compressed O-rings. Lightly lubricate new O-rings with clean gear oil before fitting.
  8. Replace the gear oil pump (24OP149): Remove the lower unit cover as needed to access the gear oil pump. Seat the new pump securely, ensuring alignment with the drive shaft and any locating pins.
  9. Refill gear oil: Insert the gear oil tube into the lower drain port and pump in fresh NMMA-certified gear lube until oil flows from the upper vent hole. Reinstall both plugs with new gaskets.
  10. Refill engine oil: Reinstall the drain plug and refill with the manufacturer-specified grade and quantity of four-stroke engine oil. Check the dipstick to confirm the correct level.
  11. Reconnect and test: Reconnect the battery, start the engine, and check for any fuel, oil, or gear oil leaks. Run the engine briefly and re-inspect all service points before returning to service.

Troubleshooting & FAQ

How do I confirm this kit fits my Honda outboard?
This kit fits the Honda BF35A, BF40A, BF45A, and BF50A outboard models. Check your engine's model tag (typically located on the swivel bracket or engine cover) and cross-reference the OEM part number 8H033302 against your service manual before ordering.

Can I replace only some components from this kit rather than all at once?
Yes, each component can be installed individually. However, replacing all items together during a scheduled service interval is recommended to avoid returning to the same job shortly after for a single worn component.

How often should I replace these service components?
Honda generally recommends annual service or every 100 hours for these models, whichever comes first—but always consult your specific engine's owner's manual. Operating in demanding conditions (saltwater, heavy use) may warrant more frequent intervals.

What are common signs that these parts need replacing?
Signs include milky or discolored gear oil (indicating water ingress, often from failed gaskets or O-rings), rough idling or fuel starvation (clogged fuel filter), reduced oil pressure or oil consumption (worn oil filter), or notchy/stiff gear shifting (worn gear oil pump). Address these promptly to avoid further engine damage.

Is this kit compatible with saltwater use?
The components in this kit are suitable for both freshwater and saltwater applications. After saltwater use, always flush the engine with fresh water and perform maintenance at the recommended intervals, as saltwater accelerates wear on sealing components.

How does this aftermarket kit compare to the Honda OEM kit?
This is an aftermarket replacement referencing OEM part number 8H033302. It is manufactured to OEM-equivalent specifications and produced in an ISO9002-certified facility. It is not an OEM Honda product, but is built to perform to the same functional standard.

Is this an OEM part or an aftermarket part?
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.

How fast do you ship and how much does it cost?
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.

What is your warranty and return policy?
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.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 64004821705

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Reviewed in the United States on May 28, 2026
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D. E. Reagan
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★★★★★ 5
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Reviewed in the United States on February 2, 2023
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