SKU: 38245987178

Water Pump Repair Kit – Fits Yamaha F300/F350 V8 Outboards (Replaces 6AW-W0078-00-00)

Sale price$31.50 Regular price$35.00
Save 10%

Pay in installments of $8.75 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 7 - Aug 12

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Water Pump Repair Kit – Fits Yamaha F300/F350 V8 Outboards (Replaces 6AW-W0078-00-00)Water Pump Repair Kit Fits Yamaha F300 F350 V8 Outboards This water pump repair kit is designed for Yamaha F300 and F350 V8 4 stroke outboard engines from 2007 through 2016 and newer. It contains a comprehensive set of OEM grade components required for a complete water pump assembly rebuild, ensuring reliability and performance. This kit is a direct replacement for Yamaha part number 6AW W0078 00 00. Installation Type: Direct OEM Replacement

Water Pump Repair Kit – Fits Yamaha F300/F350 V8 Outboards

This water pump repair kit is designed for Yamaha F300 and F350 V8 4-stroke outboard engines from 2007 through 2016 and newer. It contains a comprehensive set of OEM-grade components required for a complete water pump assembly rebuild, ensuring reliability and performance.

This kit is a direct replacement for Yamaha part number 6AW-W0078-00-00.

  • Installation Type: Direct OEM Replacement
  • Compatible Engines: Yamaha F300/F350 V8 (2007-2016+)
  • Included Components: Impellers, gaskets, o-rings, and all necessary hardware.

Part Number Cross-Reference

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

Brand Part Number
Yamaha 6AW-W0078-00-00

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 Model Rated HP Stroke Years OEM Part No.
Yamaha F300TUR 300 4-Stroke 2007-2009 6AW-W0078-00-00
Yamaha F300TXR 300 4-Stroke 2007-2009 6AW-W0078-00-00
Yamaha F350AET1U 350 4-Stroke 2010 6AW-W0078-00-00
Yamaha F350AET1X 350 4-Stroke 2010 6AW-W0078-00-00
Yamaha F350NCB 350 4-Stroke 2014-2015 6AW-W0078-00-00
Yamaha F350NCC 350 4-Stroke 2016 6AW-W0078-00-00
Yamaha F350TUR 350 4-Stroke 2007-2009 6AW-W0078-00-00
Yamaha F350TXR 350 4-Stroke 2007-2009 6AW-W0078-00-00
Yamaha F350UCA 350 4-Stroke 2010-2011 6AW-W0078-00-00
Yamaha F350UCB 350 4-Stroke 2012-2015 6AW-W0078-00-00
Yamaha F350UCC 350 4-Stroke 2016 6AW-W0078-00-00
Yamaha F350XCA 350 4-Stroke 2010-2011 6AW-W0078-00-00
Yamaha F350XCB 350 4-Stroke 2012-2015 6AW-W0078-00-00
Yamaha F350XCC 350 4-Stroke 2016 6AW-W0078-00-00
Yamaha FL350AET1U 350 4-Stroke 2010 6AW-W0078-00-00
Yamaha FL350AET1X 350 4-Stroke 2010 6AW-W0078-00-00
Yamaha LF300TUR 300 4-Stroke 2007-2009 6AW-W0078-00-00
Yamaha LF300TXR 300 4-Stroke 2007-2009 6AW-W0078-00-00
Yamaha LF350TUR 350 4-Stroke 2007-2009 6AW-W0078-00-00
Yamaha LF350TXR 350 4-Stroke 2007-2009 6AW-W0078-00-00
Yamaha LF350UCA 350 4-Stroke 2010-2011 6AW-W0078-00-00
Yamaha LF350UCB 350 4-Stroke 2012-2015 6AW-W0078-00-00
Yamaha LF350UCC 350 4-Stroke 2016 6AW-W0078-00-00
Yamaha LF350XCA 350 4-Stroke 2010-2011 6AW-W0078-00-00
Yamaha LF350XCB 350 4-Stroke 2012-2015 6AW-W0078-00-00
Yamaha LF350XCC 350 4-Stroke 2016 6AW-W0078-00-00

Technical Specifications

Specification Value
Product Type Water Pump Repair Kit
Installation Direct OEM Replacement
Warranty Manufacturer's Limited Warranty

Package Contents

  • 1 x Gasket, Water Pump (6AW-44315-00-00)
  • 1 x Insert, Cartridge (6AW-44322-00-00)
  • 1 x Outer Plate, Cartridge (6AW-44323-00-00)
  • 1 x Key (6AW-44336-00-00)
  • 2 x Impeller (6AW-44352-00-00)
  • 4 x Bolt, With Washer (90119-08M14-00)
  • 2 x O-Ring (93210-37M67-00)
  • 1 x O-Ring (93210-94003-00)
  • 2 x Pin, Dowel (93606-12019-00)

Installation Guide

  1. Disconnect the battery and remove the engine cover.
  2. Remove the lower unit bolts and detach the lower unit from the engine.
  3. Locate and unbolt the water pump housing to access the old components.
  4. Remove the old impeller, gaskets, wear plate, and any other parts included in the kit.
  5. Thoroughly clean all housing surfaces and inspect for damage or corrosion.
  6. Install the new gasket, wear plate, and cartridge components from the kit.
  7. Slide the new impeller onto the driveshaft, ensuring the key is properly aligned.
  8. Reinstall the water pump housing and torque the bolts to manufacturer specifications.
  9. Reattach the lower unit to the engine, ensuring the driveshaft and water tube align correctly.
  10. Reconnect the battery and test the engine using a water supply to confirm proper pump operation.

Troubleshooting & FAQ

Q: How do I confirm this kit fits my engine?
A: Check your engine's model and year against the "Compatible Engine Models" table above. This kit is a direct replacement for OEM part number 6AW-W0078-00-00. You can also use the Yamaha serial number guide linked above to verify your model details.

Q: What are the common signs of a failing water pump?
A: Common signs include the engine overheating at idle or low speeds, a weak or inconsistent water stream from the tell-tale port, or a high engine temperature alarm.

Q: How often should the water pump impeller be replaced?
A: For preventative maintenance, it is recommended to inspect the impeller annually and replace it at least every two years or 200 hours of use, whichever comes first, especially if operating in saltwater or sandy conditions.

Q: Is this an original Yamaha OEM part?
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: 38245987178

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.3 ★★★★★
Based on 15 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
K
Verified Purchase
Kissezamour
Alexandria, US
★★★★★ 5
Love it !!!!
Color: White, Style: Wall Cabinet, Color: White, Style: Wall Cabinet
I absolutely love this cabinet. It’s super well-made easy to put together and the space is great. I’ve already received some compliments. Thought it would guests. Come to my home. Just look at how nice it pairs with my bathroom. The handles are sturdy. There’s also a nice tag inside with the company’s name. If you’re looking for a bathroom cabinet, highly recommended this one is well worth it. Love it!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2026
J
Verified Purchase
J. S. Kline
Lexington, US
★★★★★ 5
Excellent Cabinet for someone good at mounting a cabinet
Color: White, Style: Wall Cabinet
The cabinet arrived very well packaged with an instruction booklet, hardware, and an Allen wrench. The booklet says you will just need a Phillips screwdriver, but you will also need a drill with an appropriate bit (more on the bit later) to mount the cabinet on the wall. Assembling the cabinet was simplified by how well the cabinet pieces and hardware were labeled and referenced in the instruction booklet. The holes in all the cabinet parts lined up nicely. The doors swing on spring loaded pivots. They are not adjustable, but work well and are probably much less expensive than European style hinges. I was concerned that the doors would not line up, but they look fine. The Magnetic Latch also works well, but the little piece of wood that it mounts on fell off during assembly so I glued it back in place. This was the only problem I had assembling the cabinet. I let the glue dry overnight and mounted the cabinet the next day. The wood support plate they ship with the cabinet is a great way to hang a cabinet, however I did have some problems using the supplied anchors. I recommend having some other anchors and screws available in case you have similar issues. Skip this paragraph if you do not care about the details: I mounted the cabinet on drywall. The instructions said to drill 11/32” holes for the supplied plastic wall anchors. I did not have an 11/32” bit so I used a 5/16” bit. Even though my holes were 1/32” smaller than specified, the anchors slid into the drywall very easily without having to tap them. I recommend using a 5/16” bit or even a 9/32” bit instead of the 11/32” they specify. Next I mounted the support plate with the supplied screws, but I could not get the screws tight enough to hold the plate securely in place. It felt like the screws were too small in diameter so I used some slightly larger screws. That worked fine for one of the screws holding the plate and the two lower screws, but the second screw through the plate would not bite and hold the plate firmly. Fortunately I had one HILTI 3/16” hollow wall metal anchor left over from a previous project and was able to get the plate very solidly attached to the wall. My wife is very pleased with the cabinet. I did have some trouble with the latch and the install so I was tempted to knock off a star, but I think this is a 5-Star item considering the low cost and how well the the cabinet parts aligned with each other.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 20, 2025
M
Verified Purchase
Monica G.
Boise, US
★★★★★ 5
Love and amazing for the price!
Color: White, Style: Wall Cabinet, Color: White, Style: Wall Cabinet
Perfect! I'm a renter and didn't want to spend an arm and a leg on something that might not work in the next place so this looked like it would be a good fit. I really wasn't expecting much for the price point but I was VERY pleasantly surprised. It's a great piece. I love assembling things (I'm an Ikea pro) but this had literally the easiest and most explicit instructions I have ever seen. Every piece is clearly labeled. The hardware comes in a bubble pack, again clearly labeled. Rhe instructions are very clear. Another thing I appreciated was the mounting mechanism which is a French cleat. It is much easier to level and screw in a cleat than to recruit help and try to hold a cabinet in place and try screwing it in. I'm a fat middle age woman and I had no problem mounting it by myself. Notice there are no screws visible on the outside. That was a huge selling point for me. Only con is that for the quality of everything else, the shelves are on the thin side, placing anything substantial would definitely make them bow. Background is a scrap of peel-and-stick.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 28, 2026
K
Verified Purchase
Ken
West Palm Beach, US
★★★★★ 5
Good cabinet choice
Color: White, Style: Wall Cabinet
I needed a wall cabinet for a recessed area above the toilet. This one fits the area perfectly and provides a good amount of storage in an otherwise wasted space. It looks good as it coordinates well with my white shaker style cabinets elsewhere in the room. It was easy to assemble, doors lined up perfectly, and mounting was a breeze with the included screws and hardware. It doesn't get hard use in this location, but seems sturdy after almost a year.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 7, 2025
A
Amazon Customer
Pawtucket, US
★★★★★ 5
Versatile Room Divider With Easy Assembly and Strong Coverage
Size: 3 Panel 12FT W
I picked up this Siebwin 3-panel folding room divider mainly for privacy and room separation, and overall it works very well. Assembly is very straightforward, and the divider can be set up, taken apart, and stored without much effort. The fabric quality feels good, and the frame construction is stronger and more stable than expected. The support tubes especially feel well built and help keep the divider standing securely. One feature I really liked is the flexibility of the design. The panels can be used together as a complete divider or separated depending on the setup and available space. That makes it much more versatile for different room layouts or temporary privacy needs. The coverage is also very good, and the size matches the manufacturer’s description accurately. The fabric blocks light and background visibility well enough to provide solid privacy without feeling overly heavy. The wider feet also help improve stability compared to thinner folding dividers. Another positive detail is that everything arrived complete with no missing parts or damaged pieces, which made assembly much easier and faster. Compared to cheaper privacy screens, this one feels more durable and easier to customize depending on the situation. In terms of value for the money, it feels like a very practical and worthwhile purchase considering the size, flexibility, and build quality. Overall, a versatile and well-built room divider with easy assembly, strong privacy coverage, stable construction, complete included parts, flexible panel configuration, and excellent everyday functionality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026

recommand products