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Description
1050 CFM Gen 3 Marine Ultra Dominator Carburetor - 0-80903HBMOverview: The patent pending GEN 3 mainbody is 5 16" taller than the previous generation! This new height allowed for larger radius air entries which were optimized using Computational Fluid Dynamics (CFD) software to deliver smoother flow into new fully machined, big bore venturii. The main body also features an integrated idle bypass valve that allows for idle adjustments while maintaining the correct throttle plate to transfer slot relationship as
Overview:
The patent pending GEN 3 main–body is 5/16" taller than the previous generation! This new height allowed for larger radius air entries which were optimized using Computational Fluid Dynamics (CFD) software to deliver smoother flow into new fully machined, big bore venturii.
The main-body also features an integrated idle bypass valve that allows for idle adjustments while maintaining the correct throttle plate to transfer slot relationship as well as an extended air cleaner flange for easy air scoop attachment when using the available air scoop adapter.
The Gen 3 utilizes high capacity fuel bowls which feature 20% more fuel capacity to eliminate starvation, integrated fuel shelf to minimize fuel aeration and internal baffling to control fuel slosh.
Other features include all aluminum construction, 12-hole billet booster inserts, fully tunable billet metering blocks, adjustable external linkage, throttle position sensor mounting points and knurled (hand adjustable) curb idle screws. Each calibration has been dyno tested to deliver proven performance!
Features:
- All aluminum construction saves 3.8lbs. over original models (28% weight savings)
- Gray anodized finish with black anodized billet aluminum metering block and booster inserts
- Designed for use on Marine high horsepower engines
- Fully machined from venturi throat to throttle bore for predictable & repeatable performance
- Integrated idle bypass valve allows for adjustment of idle while maintaining correct throttle plate to transfer slot relationship
- 12 hole billet booster inserts for superior atomization and crisp throttle response
- Metering blocks feature improved durability, true gasket sealing and fully adjustable (emulsion bleeds, power valve channel restrictors & idle feed restrictors)
- Dual 50cc accelerator pumps provide the perfect amount of fuel from idle to full throttle
- Fuel bowls provide 20% more fuel capacity while controlling slosh with internal baffling
- Clear sight windows on both sides of bowls for easy and safe fuel level adjustments
- Built in drain plug in front center of bowl provides easy access to empty contents of bowl
- 8 (o-ringed) inlet threads offer a large variety of plumbing options and can be plumbed from either side
- Factory ready TPS mounting points for use with data acquisition systems (Holley TPS P/N 534-214 available)
- Knurled (hand adjustable) primary and secondary curb idle screws allow for easy idle adjustment without the use of tools
- Contoured hex head squirter screws for streamlined airflow
- Fully adjustable stainless steel external linkage can be adjusted for 1:1 progressive, or soft progressive throttle activation. No linkage parts under the carburetor
- 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
- J-Style vent tubes
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| Universal |
Specs:
| Barrels | 4 |
|---|---|
| Billet Color | Hard Core Gray with Black |
| Booster | Annular |
| Brand | Holley |
| Carburetor Use | Marine |
| CFM | 1050 |
| Choke | None |
| Circuit | 3 |
| Condition | New |
| Emission Code | 4 |
| Finish | Hard Core Gray |
| Fuel | Gasoline |
| Fuel Inlet | Dual |
| High Speed Air Bleed | 43 |
| Idle Air Bleed Size | 65 |
| Intermediate Air Bleed | 71 |
| Marine Engine Size | Universal |
| Marine Use | Yes |
| Material | Aluminum |
| Model | 4500 |
| Needle and Seat Size | 120;120 |
| Primary Main Jet | 84 |
| Primary Power Valve | 6.5 |
| Primary Pump Nozzle Size | 35 |
| Product Type | Carburetor |
| Secondaries | Mechanical |
| Secondary Main Jet | 84 |
| Secondary Pump Nozzle Size | 35 |
| Supercharged Application | No |
| Throttle Bore | 2.000 inch |
| Venturii Size | 1.690 inch |
| Warning | California Proposition 65 |
| Warranty | Limited 90 Day |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.9 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Easy setup and love that I don't need cartridges anymore!
Style: ET-5150, Set: ET PRO FAX/ADF/PRINT/COPY/SCAN
This printer was relatively easy to set up and connect to my home wifi network. I needed a reasonably priced, good quality all-in-one, for occasional use at home. This printer checked all the boxes. The scanning/copy feature works great, and the tank system is what sold me. I always hated inkjets because of the expensive cartridges, that never seemed to last very long. The tank/bottle system is very easy to use and much less expensive. The quality of print is very good, even for photos. The design is very space efficient. Recommended!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
★★★★★ 1
Piece of Junk
Style: ET-5150, Set: ET PRO FAX/ADF/PRINT/COPY/SCAN
This printer worked fine until about a week ago. It jammed six paper jambs in a row, and then it did not recognize the 8.5x11 paper that I had been using from day one. The copy feeder on top of the printer quit, and when it did work, it fed the copy in almost sideways. I have a box of ink for this copier, and I would like to shove it back to the supplier for the wonder piece BS equipment.
I have bought a black ink cartage for my nearly 8-year-old Brother Copier and my office is back in business.
Epson ECOTANK Pro ET-5150 is not ready for prime time by a cartage machine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 10, 2024
★★★★★ 5
Great printer, save money on ink; Most issues are very easy to fix
Style: ET-5150, Set: ET PRO FAX/ADF/PRINT/COPY/SCAN
I convinced my boss to buy my first 5150 about 3 years ago and our second one earlier this year. I am happy with my purchase. I have barely had to swap out the maintenance box, and they are cheap anyways. The print quality is quite good, just need to run some cleaning protocols to fix most of them. We did have to open up a printer for some deeper cleaning but there were videos online to fix it.
The most common issue is paper jams, but I print a lot and its pretty rare if the paper isn't janky. You can also easily fix by pulling the printer forward and taking off a panel in the back to fish out paper.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 18, 2025
★★★★★ 5
excelente compra
Style: ET-5150, Set: ET PRO FAX/ADF/PRINT/COPY/SCAN
Excelente producto, buen precio, rapida entrega, recomendado
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
★★★★★ 4
Good value
Style: ET-5150, Set: ET PRO FAX/ADF/PRINT/COPY/SCAN
I think 3.5 would be about right.
I had a Canon color laser printer that I loved! The problem was that after 6 years it started to need name brand toner at $45/each. I decided to co for something that would print cheaper, because it turns out I don't print as much as I used to, so having a commercial printer is no needed.
I like the tanks a lot and they are super easy to fill. The first fill does not use a whole bottle, but then it settles and the next day you can top off the tanks with the rest of the bottle.
The print quality is good. I have printed a few hundred pages and it is working as it should, and the tanks don't seem to have dropped but a touch. Much cheaper than toner for sure.
The weird thing is that when you scan, it does not know that there is paper in the feeder, so you hear the flat bed scanner run first, and then the tray starts feeding. Also, it prints on both sides, but it does not scan both sides automatically with the feeder, you have to flip each sheet. This is a serious bummer for me as I do a lot of 2-sided scanner.
So far so good. If things go south I will revise.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 22, 2025
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