14360A53 Fuel Pump for Mercury 135HP 150HP 200HP 225HP | JLM Marine
SKU: 54725767946

14360A53 Fuel Pump for Mercury 135HP 150HP 200HP 225HP | JLM Marine

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Description

14360A53 Fuel Pump for Mercury 135HP 150HP 200HP 225HP | JLM MarineFuel Pump for Mercury 135HP 150HP 200HP 225HP Direct Replacement for 14360A53 This fuel pump is engineered to fit Mercury Marine outboard engines ranging from 135HP to 225HP, including DFI and EFI models. Designed as a direct replacement for OEM fuel delivery systems, it ensures reliable fuel flow and consistent engine performance across a wide range of serial number ranges. This aftermarket pump directly replaces Mercury part numbers 14360A53,

Fuel Pump for Mercury 135HP 150HP 200HP 225HP – Direct Replacement for 14360A53

This fuel pump is engineered to fit Mercury Marine outboard engines ranging from 135HP to 225HP, including DFI and EFI models. Designed as a direct replacement for OEM fuel delivery systems, it ensures reliable fuel flow and consistent engine performance across a wide range of serial number ranges.

This aftermarket pump directly replaces Mercury part numbers 14360A53, 14360A69, 14360A66, 14360T75, and 15930A21, providing broad compatibility across multiple engine configurations and years.

  • Designed for gasoline fuel systems on Mercury outboards
  • Compatible with DFI, EFI Pro Max, and Super Mag engine series
  • Package includes complete fuel pump assembly as pictured

Part Number Cross-Reference

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

Brand Part Number Notes
Mercury Marine 14360A53 Primary OEM number
Mercury Marine 14360A69 Superseded equivalent
Mercury Marine 14360A66 Superseded equivalent
Mercury Marine 14360T75 Superseded equivalent
Mercury Marine 15930A21 Superseded equivalent

Compatible Engine Models

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

Brand Model Rated HP Notes
Mercury 135 DFI 135 HP Serial: 0G590000 thru 0G760299
Mercury 150 DFI 150 HP Serial: 0G590000 thru 0G760299
Mercury 150 EFI Pro Max 150 HP Serial: 0D935000 thru 0G610049
Mercury 200 EFI Pro Max 200 HP Serial: 0G610050 thru 0G856999
Mercury 200 Pro Max / Super Mag 200 HP Serial: 0D935000 thru 0G610079
Mercury 225 EFI Pro Max 225 HP Serial: 0G610104 thru 0G856999

Technical Specifications

Specification Value
OEM Part Number 14360A53
Compatible Brand Mercury Marine
Horsepower Range 135HP, 150HP, 200HP, 225HP
Fuel Type Gasoline
Engine Type DFI, EFI Pro Max, Super Mag

Package Contents

  • 1 × Fuel Pump Assembly
  • All components shown in product images are included

Installation Guide

  1. Disconnect the battery and relieve fuel system pressure before beginning work. Ensure the work area is well-ventilated and free of ignition sources.
  2. Locate the existing fuel pump on your Mercury outboard engine. Note the fuel line routing and electrical connections.
  3. Disconnect the fuel inlet and outlet hoses, taking care to catch any residual fuel in a suitable container.
  4. Unplug the electrical connector from the fuel pump.
  5. Remove the mounting bolts or fasteners securing the old fuel pump to the engine. Carefully extract the pump.
  6. Inspect the mounting surface and gasket sealing area for debris or damage; clean as needed.
  7. Position the new fuel pump in place, ensuring proper alignment with mounting holes and fuel line ports.
  8. Secure the pump with the original mounting hardware, tightening bolts to manufacturer specifications in a cross pattern.
  9. Reconnect the fuel inlet and outlet lines, ensuring hose clamps are properly tightened and positioned.
  10. Plug in the electrical connector, making sure it clicks securely into place.
  11. Reconnect the battery and turn the ignition to the on position (without starting) to prime the fuel system. Check for leaks around all connections.
  12. Start the engine and verify proper fuel delivery and stable operation. Recheck all connections after the first run.

Troubleshooting and FAQ

How do I confirm this fuel pump fits my specific Mercury engine?
Verify your engine serial number against the compatibility table above. Mercury DFI and EFI engines from 135HP to 225HP within the specified serial ranges (0D935000 to 0G856999) are compatible. Cross-reference your current pump part number with the listed OEM equivalents (14360A53, 14360A69, 14360A66, 14360T75, 15930A21).

What are the signs that my fuel pump needs replacement?
Common symptoms include difficulty starting, engine hesitation or stalling under load, reduced top speed, irregular idle, or complete fuel delivery failure. You may also hear unusual noises from the pump or notice fuel pressure dropping below specification.

How often should I replace the fuel pump on my Mercury outboard?
Fuel pumps typically last several years under normal conditions, but replacement intervals depend on usage, fuel quality, and maintenance. Inspect the pump annually and replace it if you notice performance issues, leaks, or if it fails pressure testing during routine service.

Can I install this fuel pump myself or do I need a professional?
While mechanically inclined owners can perform this installation, working with fuel systems requires caution due to fire and safety risks. If you are not experienced with marine fuel system repairs, professional installation is strongly recommended to ensure safety and proper function.

Is this an OEM part or an aftermarket replacement?
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 to 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 and 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 to 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: 54725767946

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4.2 ★★★★★
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Product Reviews
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Verified Purchase
Ordray
Birmingham, US
★★★★★ 4
Great if you're average height.
Color: Black
Comfortable for the price. The seat could be a bit better, but for a budget friendly ergonomic chair, it's well made and has helped a lot with my back pain caused by my previous desk chair. Assembly wasn't terribly difficult, though I did have one screw with damaged threads. Luckily they ship spare screws in the kit, so that was a non-issue. Rollers work great on my small rug and hard flooring and don't tend to tangle cords or cables too much. Size wise, works great for my frame (5 ft 6 in) but for someone more than a few inches taller than myself, you should probably look at another chair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 4, 2025
W
Verified Purchase
Wilbert Bean
Chelsea, US
★★★★★ 5
Great chair
Color: Black
I am very happy with my purchase. Easy to assemble but be aware your drill bits included with your set won't fit their screws. However, you can get a fair bit done with the drill and then use tool included to adjust. Super comfortable and exactly the right height for my desk. Highly recommend for quality exceeding price point.
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Reviewed in the United States on May 9, 2026
D
Verified Purchase
Dave
Houston, US
★★★★★ 1
Review from an "actual" tall person who doesn't weigh 400 pounds.
Color: Black
I recommend this chair. Firstly, I looked at least dozens of chairs and nearly every review in trying to select a chair. I didn't want to spend $200. It's confusing because everyone's idea of perfect is of course subjective. One thing, What is tall? I'm 6'6" I think that's pretty tall. Others feel that 6'0" is tall. LOL In the listing, it shows this chair is good for a 6'5" person which I think is pretty accurate. I weigh about 210 pounds and the padding is just fine. One thing I would push manufacturers to do would be to give accurate measurements. Seat height low and high. Back support height. Head rest added to back height etc.! Maybe actual human measurements that the chair is geared toward. Nice to know that 400 lbs is cool but that doesn't tell me much. My primary goal was to find a chair I could sleep in because I recently had a back injury and sleeping on my bed, while fine, resulted in intense pain trying to get up in the morning. We'll see what happens but the headrest reaches my head which was goal one. The lumbar fits so I don't need to use cushions and pads etc. I found the upper position of the support to be right for me and it's super comfortable. Plus number two. The raised height of the chair fits my long legs (inseam 36") Plus three. I wanted adjustable arm rests but this one doesn't have that. No biggie, for me the height of the arm rests is pretty much just right. It might be a little high for some. The back leaning adjustment doesn't lock except for upright. Locking upright is good, and leaning back - for me - doesn't really need to lock. Being an actual tall person made me really skeptical. I'm relieved that I won't have to take it apart to return it. The assembly was straight forward and pretty easy though I'd suggest not really tightening the arms snugly before getting the back squared away - the alignment is easier if you do that. I got the chair for $109 with 21% off. It's slightly wobbly yet feels pretty well made. It rolls well enough. I'm quite satisfied with the purchase and I'll come back if there are updates. Edit one. I've had it a week now and found I couldn't sleep in it. I think it would be better if the back could recline separately from the seat. There might also be figuring out a way to support my legs due to the back and seat reclining together rather than separately. Two. I kind of wish more now that the arms were adjustable for height and tilt if that makes sense. I have a bar stool next to me on the right in front of my desk that is the right height to relax my right arm while reaching my mouse on the desk so that's my work around there. Three. The casters are kind of basic and don't roll as easily on the floor matt as my former second hand chair - they would probably be fine on a hard surface. I'll probably switch them out. Four: The lumbar support, while mostly in the right place is unpadded and creates kind of a hard spot there. I've re-introduced my lumbar support pillows for comfort there. All in all, I'm still happy with the $100 purchase. In my experience, being pretty tall always comes with compromise and these notes are not deal breakers for me. Yea, It can always be more perfect but unless you're in a showroom test driving and willing to spend $300? Right. UPDATE: I'm really not satisfied with this chair and in fact, I wish I hadn't bought it. Firstly, the pneumatic post that the chair part connects with is wobbly depending on which way it is facing according to which way the legs are aligned. It's like a poor fit and I'm pretty mechanically inclined. Second and also important. The lock to keep it upright and inclined only worked for a few weeks. For a while, you had to mess with it to engage the upright position. It no longer works. Worse than that, the lumbar support pad disconnected with the chair and is now floating and after only a month or so, the remaining supports for the Lumbar rest have dug into the fabric on the back of the chair creating holes in the back's fabric. I've tried but there is no way to reconnect that bit without removing the back's fabric as far as I can see. I'm taking this down to one star for sure. Poor design? Poor manufacturing? Yea. I wouldn't suggest this chair to anyone. If the company comes up with a solution, I'll continue my review. As for now. Not a recommendation. Update: Not impressed and kind of crappy. Mentioned is that the so called lumbar thingy disconnected and is unusable. I've got my own pad which seems to help. Also, it's wiggly where the chair connects to the base. Months later, I might toss it and go back to the chair I bought locally and second hand. Don't buy this chair!
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Reviewed in the United States on March 20, 2025
Q
Verified Purchase
QZ
Belleville, US
★★★★★ 5
Great Instructions, Straightforward Assembly
Color: Black
I just received this chair today, so my product review is mostly on the packaging, instructions, and assembly. The product was well-packaged, and it was obvious when I unboxed it that a lot of care and thought went into packing it in the most efficient way that would also protect the parts. I was positively impressed with the packaging. I was also incredibly impressed with the instructions and assembly process. I am used to cheaper products where the parts only half fit or important components are missing, or where the instructions were confusing and unclear. This chair's instruction manual was very clear and concise. The diagrams were easy to understand and neat. The screws came labeled and separated and also included the scew types and sizes/lengths, which is handy in case you need to pick up extras at a store somewhere. But they also included one extra of each type of screw, washer, and cover, which I appreciated during assembly. (I didn't find myself worrying what would happen if I dropped a screw, which is something I would normally be distsracted by while working.) The only things I would take points off for were these: 1. The instructions said the chair came with gloves for assembly, but no gloves were included. That was fine with me, but why mention them if you won't include them? The instructions even later say not to use the chair if not all components were present...but all the important ones were, so I assembled it without gloves (as I probably would have done anyway, since it was for me and not another person). 2. It matters which side of the seat is the front, but the sticker was confusing. The instructions show a sticker placed on the side that is the front, and that is where my sticker was placed. However, the sticker says "FRONT" and has an arrow pointing somewhere. In the instructions this arrow pointed to the front. On my seat, however, the arrow pointed to the back. So am I supposed to believe the sticker placement (it was diagonal, so it looked haphazardly slapped on) or the arrow? On that particular step the piece you are screwing into the seat can fit both ways, but thankfully there is a later step where it becomes obvious which side is the front vs. the back. (The arm rests can only be attached to the back.) So I wish that had been clearer up front, but otherwise it was okay. Recommendations for assembly: - To attach the wheels, apply firm, direct, straight-down pressure. I tried screwing them on at first but you just push. Make sure they go in the whole way like the picture shows. - When they say to tighten the screws to only 60%, it's a helpful tip, because you can't fit the armrests on both the seat and chairback at the same time with the screws completely tightened. Just tighten them enough to fit the pieces on, then later you can tighten up the screws. So far I find the chair to be very comfortable and I'm exceedingly happy with it. The lumbar support seems like it could potentially be a little chafy or scratchy, but I'll give the chair a chance before deciding if it's problematic or not. Like I said, I only got the chair today, so I can't speak much to its long-term comfort, durability, or longevity. But I was so impressed with how easy and straightforward they made the assembly that I had to write a review to show my appreciation.
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Reviewed in the United States on May 9, 2026
A
Verified Purchase
Alicia Sherman
Boise, US
★★★★★ 3
It's okay
Color: Black
Appeared to be a super comfortable chair. Purchased for my mother to work from home and the material is apparently slightly itchy and the arm rest isn't quite comfortable. It was pretty simple to put together but it did take some time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026

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