SKU: 80384544530

632-W006A-00 Water Pump Repair Kit for Yamaha 40HP 50HP 2-Stroke | JLM Marine

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Description

632-W006A-00 Water Pump Repair Kit for Yamaha 40HP 50HP 2-Stroke | JLM Marine632 W006A 00 Water Pump Repair Kit for Yamaha 40HP 50HP 2 Stroke JLM Marine This comprehensive water pump repair kit is engineered for Yamaha 2 stroke 3 cylinder outboard engines rated at 40HP and 50HP, covering model years 19952019. It provides all essential components to restore your engine's cooling system to optimal performance, ensuring reliable operation on the water. Designed as a direct replacement for OEM part number 632 W006A 00, this kit

632-W006A-00 Water Pump Repair Kit for Yamaha 40HP 50HP 2-Stroke | JLM Marine

This comprehensive water pump repair kit is engineered for Yamaha 2-stroke 3-cylinder outboard engines rated at 40HP and 50HP, covering model years 1995–2019. It provides all essential components to restore your engine's cooling system to optimal performance, ensuring reliable operation on the water.

Designed as a direct replacement for OEM part number 632-W006A-00, this kit consolidates critical wear items and sealing components into a single, convenient package. Whether you're performing routine maintenance or addressing overheating issues, this kit delivers the parts you need for a complete water pump service.

  • Includes 15 components: impeller, wear plate, gaskets, o-ring, thermostat, fuel filter, gear oil pump, and hardware
  • Fits Yamaha 40HP and 50HP 2-stroke 3-cylinder engines (1995–2019)
  • Complete rebuild solution for cooling system maintenance and repair

Part Number Cross-Reference

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

Brand Part Number
Yamaha 632-W006A-00

Compatible Engine Models

Confirm your engine model/year in the table below. For Yamaha owners, here's a guide to help you identify your engine's serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.

Brand Rated HP Stroke Cylinder Years
Yamaha 40HP 2-Stroke 3 Cylinder 1995-2016
Yamaha 50HP 2-Stroke 3 Cylinder 1995-2019

Technical Specifications

Specification Value
OEM Part Number 632-W006A-00
Engine Type 2-Stroke, 3 Cylinder
Rated Horsepower 40HP, 50HP
Applicable Years 1995-2019
Kit Type Water Pump Repair Kit

Package Contents

This comprehensive repair kit includes 15 precision-engineered components for complete water pump service:

  • 6H3-44352-00 Impeller × 1
  • 63D-44323-00 Plate, Wear × 1
  • 63D-44322-00 Cup, Insert × 1
  • 63D-44316-00 Gasket × 1
  • 93210-59MG7 O-ring × 1
  • 90280-03024 Key × 1
  • 63D-44312-00 Cover × 1
  • 663-44366-00 Grommet × 1
  • 90119-08M15 Bolt × 4
  • 61N-24560-00 Fuel Filter × 1
  • 6E5-12411-30 Thermostat × 1
  • 6J8-12414-A0 Thermostat Gasket × 1
  • 90430-08020 Drain Gasket × 4
  • 91490-30025 Cotter Pin × 1
  • 24OP149 Gear Oil Pump × 1

Installation Guide

  1. Prepare the workspace: Disconnect the battery and gather necessary tools including screwdrivers, wrenches, and a drain pan.
  2. Access the water pump: Remove the lower unit from the outboard engine following manufacturer guidelines. Drain any remaining gear oil into the pan.
  3. Remove the old pump housing: Unbolt the existing water pump cover using the appropriate socket. Carefully pull the housing free from the drive shaft.
  4. Extract worn components: Remove the old impeller, wear plate, insert cup, and gaskets. Inspect the pump housing for damage or corrosion.
  5. Clean all surfaces: Thoroughly clean the pump housing and mating surfaces with a non-abrasive cleaner to ensure proper sealing.
  6. Install the insert cup and wear plate: Position the new insert cup (63D-44322-00) and wear plate (63D-44323-00) into the housing with correct orientation.
  7. Lubricate and install the impeller: Apply marine-grade grease to the new impeller (6H3-44352-00) blades. Install it onto the drive shaft with blades oriented in the correct rotation direction.
  8. Install gaskets and o-ring: Place the new gasket (63D-44316-00) and o-ring (93210-59MG7) into their respective positions, ensuring proper seating.
  9. Reassemble the pump housing: Install the new cover (63D-44312-00) and grommet (663-44366-00). Secure with the four new bolts (90119-08M15), tightening in a cross pattern.
  10. Install thermostat components: Replace the thermostat (6E5-12411-30) and thermostat gasket (6J8-12414-A0) in the powerhead. Replace drain gaskets (90430-08020) and secure the cotter pin (91490-30025).
  11. Replace filters and oil pump: Install the new fuel filter (61N-24560-00) and gear oil pump (24OP149) according to service manual specifications.
  12. Reassemble and test: Reattach the lower unit to the engine, refill with fresh gear oil, reconnect the battery, and perform a water test to verify proper cooling flow and operation.

Troubleshooting & FAQ

Q: How do I know if my water pump needs to be replaced?
A: Common signs include overheating alarms, reduced water flow from the tell-tale (indicator stream), steam from the engine, or weak discharge. If your engine is running hotter than normal or you notice decreased water pressure, it's time to inspect and likely replace the water pump components.

Q: How often should I replace my water pump impeller?
A: Most manufacturers recommend inspecting the impeller annually and replacing it every 2–3 years or 200–300 hours of operation, whichever comes first. If you operate in sandy or debris-filled water, more frequent replacement may be necessary.

Q: Can I replace just the impeller, or do I need the entire kit?
A: While you can replace the impeller alone, it's best practice to replace all wear components (gaskets, seals, wear plate, and insert cup) at the same time. This kit provides everything needed to ensure a leak-free, long-lasting repair and prevents repeated disassembly.

Q: Will this kit fit both 40HP and 50HP engines from 1995 to 2019?
A: Yes, this kit is designed to fit Yamaha 40HP (1995–2016) and 50HP (1995–2019) 2-stroke 3-cylinder engines. Always verify your engine's model and serial number against the compatibility table to confirm proper fitment before ordering.

Q: What's the difference between this aftermarket kit and the OEM version?
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: 80384544530

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4.0 ★★★★★
Based on 16 reviews
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Verified Purchase
Mommakins
Los Angeles, US
★★★★★ 1
Horrible, don't buy
Size: 1.8in for Puppy Dogs
I wanted to love these. They had so much potential. It's a good size. It seems like a good shape. But ... 1) first red flag should have been the packaging. It looked like it was a dollar store item that had beenblost on the shelves for years. 2) the rubber is super flexible. I was expecting it to be sturdier. I can flatten the ball without lich force. Maybe that doesn't matter. Naybe flexible is good. But I never got a chance to test out it's durability against a pup because... 3) it smelled. I expected it to smell like rubber, like most rubber toys. Rubber smell is okay. Usually rubber smell goes away. But, this was NOT a rubber smell. It smells like peppermint or something similar. It's like someone sprayed essential oils when mixing the rubber and now the smell will not leave. I soaked it in dawn soap half the day and overnight. I rubbed. I scrubbed. The smell actually gets worst the more you scrub it!!! It's like a scented marker or scented eraser, but you do NOT want the scent in a dog toy! My dog cannot smell the food in it because the smell of the weird mint-like scent is so overpowering. He saw it had food, and wanted it, but every time he started sniffing wildly, he would recoil. Whoever thought it was a good idea to scent this was WRONG. Mint in the form of an essential oil is extremely poisonous to dogs!! So, why they would put a mint-loke scent ijto the dog's rubber treat toy is beyond me. I would return this if I hadn't throw out the package immediately. I considered pulling the package out of the trash once i realized the scent issue but other trash had already been dumped into the trash can over it and i didn't want to dig through trash. The ball is still soaking in soap. I scrubbed again this morning. I let obe dry out. No luck. It actually seems to get worst the more you scrub, like it really is embedded in the rubber itself. Yuck!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 1, 2022
A
Verified Purchase
Amazon Customer
Waukegan, US
★★★★★ 5
Heavy Chewer Approved!
If you have a heavy chewer, this toy is perfect! We have gone through so many toys with our German Shepherd mix that we started to just tell ourselves every two weeks we’d have to be spending $50 on toys. We actually got this as a gift and wow! It’s absolutely blown us away. Not only is it incredibly durable, but our dog absolutely loves it. It’s so easy to stuff treats in there and it keeps him occupied sometimes for close to an hour which, if you have an active dog, you know anything over 20 minutes is a bargain! It is certainly well worth the money, very chew resistant, and basically silent. The loudest thing you might hear is your dog licking or tossing it around in an attempt to get the treats out. I highly recommend stuffing it with a soft chewy cookie because the crunchy ones are just gonna leave crumbs everywhere. I also recommend washing it every other week just to keep buildup from happening deep within the grooves. Note: if you can’t find it, I guarantee you it has rolled under your couch. We ended up buying a second one because we searched high and low for our missing pickle pocket. Naturally, as soon as the second one arrived, the first one was found leisurely lounging just out of reach in the dark depths of our couch’s underbelly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
D
Verified Purchase
Danielle T.
Carnegie, US
★★★★★ 5
This toy is awesome. It keeps my dog occupied for a good ...
This toy is awesome. It keeps my dog occupied for a good amount of time, which is hard to do! Pretty much any other toy I've gotten for my dogs, they've easily destroyed. The only other toy that they've enjoyed is the KONG Extreme Dog Toy, Large, Black . However, he has have gotten the hang of it and it only takes about 10-15 minutes to get out any treats inside. Also it has a rubbery smell that I don't particularly like. There are three different slits in this pickle toy. For my dog, it takes about 20-30 minutes to work on it and get the treats outs. The crevices are thin enough that it takes them some time to work at it, but flexible enough that you can use pretty much any treat in there. I think the toy is pretty resilient and durable. My dog can chew through anything. I was a bit afraid that they would become frustrated if they couldn't get the treats out that they would just bite through the toy instead. I've had these toys for 2 weeks and so far it's held up without any bite marks or parts chewed off. That's saying a lot. My Malinois even enjoys it without any treats inside. She'll bring it to me like a regular toy. It is a bit on the heavy side so I don't like throwing it around the house, however. Every dog is different but I have to say my dogs really enjoy this. I recommend this toy, and plan on trying out the other Starmark toys.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2016
L
Verified Purchase
Lmed201
Pawtucket, US
★★★★★ 5
RECOMMENDED!!
I purchased this for my 68lb Staffy (but really, all our dogs share/ rotate) because the one he had been using wasn’t very challenging and this one looked like it might force him to work a little harder to get the treats out. I was right! He LOVES it - I love it - they ALL love it! There are 3 fairly deep crevices the you can push small treats down into so the dog has to lick them out (you could also use organic peanut butter - *I don’t recommend ever giving dogs any other type of PB as it contains too much salt, sugar, GMOs & preservatives). I take about 10 or so small “squishy” treats and stuff them as far down as I can and he works for almost an hour to lick them until they’re gooey (LOL) enough to be licked out! My other dogs do the same! All our dogs are rescued and “pitbull types” (except one small breed), so they’re strong chewers, but NOT destructive. ****I frequently see people in reviews complaining that their dog destroyed a toy made for “strong chewers.” There’s a HUGE difference between strong and destructive!! Mine are strong chewers, and we like to keep Benebones around here for the times they have the need/instinct to chew (which often!), but they are not destructive dogs. If you have a destructive dog, there is likely no toy on earth they won’t leave in pieces. Destructive dogs are often that way because their breed/age/required needs aren’t being met, so naturally they attempt to release that pent up energy onto toys (or even furniture/shoes/etc. It’s not the dog’s fault. It’s definitely not a manufacturer’s or seller’s fault. #1 Rule: Know your dog!! If they destroy most toys within minutes, they’re likely lacking exercise. If you’re exercising them to their breed & age requirements and they’re still destructive, you can work on either behavior modification or finding toys that they CAN’T destroy. Benebones, Nylabones, etc are great because they are very well made and even as the dogs chew little pieces off, it creates edges that clean their teeth. Win-Win!! These are things we’ve learned from running a canine rescue & rehab for over 20 years, which means fostering dogs of all backgrounds, personalities, ages and needs (90% of which are pibbles).
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2019
N
Verified Purchase
Nadira
Louisville, US
★★★★★ 4
Almost the best, and great price point...
I love this toy - I give it to my toughest chewer stuffed up with kibble and p-butter that I've frozen an hour or two - and it's cool to play with unfilled too, as it's pliable and soft/bouncy while being also very durable. Starmark is my 3rd of 3 name brands I will buy for my dogs, due to my need for durability for tough chewers thus limiting what toys/brands I can even pick from (West Paw is one I'm now just trying, and Outward Hound is my usual go to over the years), and to be honest, between price and availability, I really want to move Starmark to my number 1 go to but....from what I can tell, the other two companies have great policies about releasing what/where their products are made (of), and I cannot seem to find out whether or not Starmark is also i.e. food-grade and/or whether they have a guarrented return policy or not so....a star off for that until/unless I can assure myself and you, reader, that the quality is just as good as the other two companies. To be fair though, and due to not being able to find any info on material qualities, this IS the one and only toy I have used, but they are also often sold at many local stores and so many of the other treat-toys in this brand have caught my eye, as far as types of toys available and ease to find if/when a replacement (or double to ship to my sister's dog!) is needed. I am thinking that, from what I've seen/felt at local stores for this brand, the durability is likely on par so...again, all going back to the material choice and manufacturing info, for me, that prevents this being a full 5 stars.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 29, 2017

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