SKU: 97952697893

Thermostat – Fits Honda BF 75-225 HP Outboard Motors (Replaces 19300-ZY3-023, 19300-ZY6-003)

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Description

Thermostat – Fits Honda BF 75-225 HP Outboard Motors (Replaces 19300-ZY3-023, 19300-ZY6-003)Thermostat Fits Honda BF 75 225 HP Outboard Motors This thermostat is designed for Honda Marine 4 Stroke outboard motors, covering models from 75 HP to 225 HP manufactured from 2002 to the present. It precisely maintains the engine's operating temperature, ensuring optimal performance, fuel efficiency, and engine longevity. This is a direct fit aftermarket replacement, engineered to meet or exceed original equipment specifications. This component

Thermostat – Fits Honda BF 75-225 HP Outboard Motors

This thermostat is designed for Honda Marine 4-Stroke outboard motors, covering models from 75 HP to 225 HP manufactured from 2002 to the present. It precisely maintains the engine's operating temperature, ensuring optimal performance, fuel efficiency, and engine longevity. This is a direct-fit aftermarket replacement, engineered to meet or exceed original equipment specifications.

This component directly replaces Honda OEM part numbers: 19300-ZY3-023 and 19300-ZY6-003.

  • Installation Type: Direct Replacement
  • Operating Temperature: Calibrated to 50°C (122°F)
  • Package Includes: 1 Thermostat, 2 Thermostat Seals

Compatible Engine Models

Confirm your engine model/year in the table below.

Brand Model Rated HP Stroke Years OEM Part No. Notes
Honda BF75DK0, DK2, DK3, DK4 75 4-Stroke 2002-2012 19300-ZY6-003
Honda BF80A, AK1 80 4-Stroke 2002-2012 19300-ZY6-003
Honda BFT80AK1 80 4-Stroke 2002-2012 19300-ZY6-003
Honda BF90DK0, DK2, DK4, DK5 90 4-Stroke 2002-2012 19300-ZY6-003
Honda BF100A, AK1 100 4-Stroke 2002-2012 19300-ZY6-003
Honda BFT100AK1 100 4-Stroke 2002-2012 19300-ZY6-003
Honda BF115A2, A3, D, DK1 115 4-Stroke 2002-2012 19300-ZY3-023
Honda BF130A2, A3 130 4-Stroke 2002-2012 19300-ZY3-023
Honda BF135A4, AK2 135 4-Stroke 2002-2012 19300-ZY3-023
Honda BF150A4, AK2 150 4-Stroke 2002-2012 19300-ZY3-023
Honda BF175A3, A6, AK1, AK2, AK3 175 4-Stroke 2002-2012 19300-ZY3-023
Honda BF200A2, A3, A6, AK1, AK2, AK3 200 4-Stroke 2002-2012 19300-ZY3-023
Honda BF225A2, A3, A6, AK1, AK2, K3 225 4-Stroke 2002-2012 19300-ZY3-023

Technical Specifications

Specification Value
Product Type Thermostat
Installation Direct Replacement
Operating Temperature 50°C (122°F)
Housing Material Stainless Steel, Copper

Package Contents

  • 1 x Thermostat (Replaces 19300-ZY3-023 / 19300-ZY6-003)
  • 2 x Thermostat Seals

Installation Guide

  1. Ensure the engine is completely cool before starting.
  2. Disconnect the negative battery cable to prevent accidental starting.
  3. Locate the thermostat housing on the engine. It is typically on the top of the engine block where the main coolant hose connects.
  4. Place a drain pan underneath and slowly loosen the housing bolts to allow coolant to drain.
  5. Remove the housing, old thermostat, and any existing gasket or seal material.
  6. Thoroughly clean both the housing and the engine block mating surfaces to ensure a perfect seal.
  7. Install the new thermostat, making sure it is oriented correctly. Place the new seals as required.
  8. Reattach the thermostat housing and tighten the bolts to the manufacturer's specified torque. Do not overtighten.
  9. Reconnect all hoses and clamps.
  10. Refill the cooling system with the manufacturer-recommended coolant.
  11. Reconnect the battery cable, start the engine, and let it warm up. Carefully check for any leaks around the housing.

Troubleshooting & FAQ

Q: How do I confirm this thermostat fits my specific Honda engine?
A: Carefully check your engine model, horsepower, and year against the compatibility table provided on this page. This part is a direct cross-replacement for Honda OEM part numbers 19300-ZY3-023 and 19300-ZY6-003. Verifying these details ensures a correct fit.

Q: What are the symptoms of a failing outboard thermostat?
A: Common signs include the engine overheating, the engine not reaching its proper operating temperature (running too cold), erratic readings on the temperature gauge, or visible coolant leaks near the thermostat housing.

Q: What is the operating temperature of this thermostat?
A: This thermostat is calibrated to begin opening at 50°C (122°F), allowing the engine to warm up quickly and then maintaining a stable temperature for optimal performance.

Q: OEM vs. Aftermarket?
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.
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: 97952697893

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4.9 ★★★★★
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Product Reviews
A
Atherney Family Farm
Battle Creek, US
★★★★★ 5
Nice elegant suit for any occasion.
Color: Light Blue, Size: 12, Color: Light Blue, Size: 12
The suit set is very nice, the fabric material is durable and soft. Overall stitching is tight with nice surging of the hems and great construction on the shoulders. Buttons and button wholes are well done. I'm going to iron in the creases on the front of the pants because they weren't folded properly for shipping. The material does hold on to wrinkles so don't be afraid of your iron to get a super sharp look. The color is a soft baby blue that stands out in a crowd of black suits. With the option of an elastic tie or clip on bowtie this is everything you need to make him look presentable for a variety of occasions. My only complaint about this suit kit is the dress shirt is stiff and thin. I found some loose threads that I don't trust to not get played with. I'll probably trade it out for something with a little more cotton. As far as cost goes mid range, but definitely worth the cost. I might consider something with a vest if it's a super formal event, but I'm very happy with how this suit comes together.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
M
Martin V.
Cuba, US
★★★★★ 5
Modern luxury with summer fabric that performs above its price!
Color: Beige, Size: 14, Color: Beige, Size: 14
Wow! My son wore it for Easter Sunday and this suit fits the bill! The linen material is spot on--not too heavy and not too light especially since the weather is warming up now. The jacket is quality made--the design is modern executive, the stitches are strong no flaws to note. The pants are tad bit longer but that's okay, build quality is also great. The white shirt is decent and matches well with the rest of the set. The bow tie and tie itself is a great complimentary to the set, though optional to wear. The whole set just has that quality you would really look for in the price range you would want to pay. Overall, best value for for the, wear right outside the bag, maybe a light ironing otherwise it's perfect! I highly recommend it, no complaints here very happy with this suit!
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Reviewed in the United States on April 5, 2026
A
Ariel B.
Los Angeles, US
★★★★★ 4
Heavy linen character, but a beautifully tailored suit!
Color: Beige, Size: 4, Color: Beige, Size: 4
This is a really nice linen suit! The jacket is beautifully made and well-tailored, with a fun speckled texture that has lots of pretty color variation (we ordered the beige). When I placed it side by side with a similar linen suit from another brand, the difference in the linen texture was really noticeable — this had a much stronger linen character that stands out! It has three useful pockets on the outside of the jacket, which is great for little hands. The only downside is that one of the inside pockets is just for show (faux), which was a bit surprising and somewhat disappointing for my little guy. The pants have pockets too, but they aren’t very deep — perfect for small treasures, but not much more. The pants are made from a lighter, thinner single-layer linen compared to the fully lined, double-layer jacket, which makes sense for comfort and easy movement. The pants didn’t come with a front crease ironed in, so you’ll want to press one yourself. The linen did pick up some creases from being folded in the package, but it doesn’t seem quite as wrinkly as some other linen fabrics I’ve tried. Still, like most linen clothes, especially for boys, the pants will need occasional ironing to keep them looking neat and crisp, especially after a day of play and general wear. The structured, lined jacket stays looking smoother and more put-together with less effort. It also came with a bow tie, a neck tie, and a tuxedo-style white shirt as extras. The ties aren’t great quality — they’d work fine for quick photos but probably won’t hold up to much actual wear. The formal white shirt feels a bit funny paired with the casual linen suit, but I don’t mind at all. We already have white shirts that we prefer, so we’ll use those instead. For us, the extras are really just bonus items we won’t plan on using. Overall, it’s a handsome little suit that’s perfect for special occasions like weddings, family photos, or holiday events. My kid looked adorable in it! The stronger linen texture on the jacket gives it a premium feel that I really like. Just be ready for a bit of extra care with the pants to keep everything sharp.
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Reviewed in the United States on April 8, 2026
C
chzgr8er
West Palm Beach, US
★★★★★ 5
Great suit set
Color: Light Grey, Size: 4
It is incredibly attractive and includes everything a young child needs for a special occasion. The material is a 75% polyester and 25% linen blend, and the outer fabric feels remarkably smooth. Its unstructured design allows for an attractive, natural drape, and the blend conveniently allows for machine washing at home. As is typical with linen-based materials, the fabric can be naturally stiff and prone to wrinkling, so I recommend ironing or steaming it before use. The lightweight feel makes it an excellent choice for the spring, summer, and fall months. Overall, this suit offers exceptional value for the price.
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Reviewed in the United States on April 12, 2026
A
Amy
Charlottesville, US
★★★★★ 5
Adorable, Complete Set—Great for Special Occasions
Color: Beige, Size: 12, Color: Beige, Size: 12
This suit set is such a great find! It comes with everything you need—jacket, pants, shirt, tie, and bow tie—which makes getting a dressed-up look so easy. It's excellent quality for a suit in this price range. The linen fabric gives it a nice, lightweight feel and a polished look that works well for both formal and semi-casual events. My son looked adorable in it, and it was perfect for the spring wedding we attended. What I love: Complete 5-piece set—no need to buy extras Lightweight and comfortable material Classic, stylish look with nice details (lapel, pockets, etc.) Adjustable waistband is super helpful for fit Versatile for weddings, holidays, and other events Fit was true to size based on the chart, but I agree with the recommendation—if your child is between sizes or growing quickly, sizing up is a good idea. I sized up with the hopes that he can wear it again for another event because it looks fantastic! Overall, a really cute and practical suit set that looks great without being uncomfortable. Perfect for any special event
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Reviewed in the United States on April 22, 2026

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