Hello there! Are you tired searching for the best 4000w gas generator but could not able to find the right one? Worry not readers, because in this article, we have covered everything you need to know before buying the 4000w gas generator online. Keep Reading!

Choosing the best 4000w gas generator can be a tough job, especially when you are looking for one that suits your budget. Therefore, we have listed the top 10 4000w gas generator available at best prices with all the latest demanding features catering to your needs. We have analysed each and every product and have shared detailed information about them. Based on our personal review, we found this 1PZ PCR-681 Fuel Switch Valve Petcock for Predator 212cc 4000W 63079 63080 63089 GX240 GX270 GX340 GX390 Generator (M16X1.5) best in our list. However, if you are looking for a product with a cheaper price, then you can check out Champion Power Equipment 100573 4000-Watt DH Series Open Frame Inverter, Wireless Remote Start, 4000-Watt + Gas + Remote Start which is equally good with good reviews. We are very much sure that you’ll be able to make a wiser decision in buying the Top 4000w gas generator by going through the exclusive list mentioned below.

All the products listed in this guide are good in their own way. You simply have to pick one that you feel delivers on the best performance. Let us get right into them already. Check the quick reviews below.

Best 4000w gas generator

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Product Title
Score

DuroMax XP4000S Portable Generator-4000 Watt Gas Powered Camping & RV Ready, 50 State Approved
9.8

A-iPower SUA4000iED 4000 Watt Portable Inverter Generator Gas & Propane Powered, Small with Electric Start RV Ready for Camping, Tailgate, or Home emergency
9.5

WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator, CARB Compliant, Black/orange & 56310iC Universal Weatherproof Inverter Generator Cover, Large, Grey
9.3

Champion Power Equipment 100573 4000-Watt DH Series Open Frame Inverter, Wireless Remote Start, 4000-Watt + Gas + Remote Start
8.7

Carburetor for Champion Power Equipment 3500 4000 Watts Gas Generator Engine Carb with Fuel Tank Shut off Valve Spark Plug kit
8.3

Ignition Coil + Spark Plug Replacement for Champion Power 196cc 6.5HP 3500 4000 Watt Gas Engine Generator
8.2

partszen 46561 Carburetor with Spark Plug Fuel Tank Shut Off Valve for Champion Power Equipment 3000 3500 4000 Watts Gas Generator Engine Carb Replaces 28-1783-V
7.6

Poweka New Recoil Starter for Champion Power Equipment 3000 3500 4000 Watts Gas Generator
7.5

ALLY Carburetor Carb with Spark Plug for Harbor Freight Chicago Predator 4000 3000 3500 3050 3200 4000 Watt Portable Gas Generator
7.3

1PZ PCR-681 Fuel Switch Valve Petcock for Predator 212cc 4000W 63079 63080 63089 GX240 GX270 GX340 GX390 Generator (M16X1.5)
6.6

DuroMax XP4000S Portable Generator-4000 Watt Gas Powered Camping & RV Ready, 50 State Approved


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DuroMax XP4000S Portable Generator-4000 Watt Gas Powered Camping & RV Ready, 50 State Approved

$399.00
$341.66
 in stock
Amazon.com
as of November 23, 2022 2:13 am

Features

  • Plenty of Power – With 4,000 peak watts and 3,300 running watts, this unit can handle heavy loads, from lights and a refrigerator to a home air conditioner and high amperage power tools
  • Powerful Engine – The DuroMax 208cc OHV engine is a workhorse that provides plenty of power to handle multiple jobs, from powering high voltage appliances to heavy duty power tools
  • Low Oil Shutoff – Protects your investment by automatically shutting the generator off when it senses that the oil is low
  • Power Panel – The power panel includes a selection of outlets for maximum compatibility in your applications including: (2) 120V household outlets and (1) 120V 30A twist lock outlet. The panel also includes a voltmeter for measuring voltage output
  • Complies with Emissions Standards – All DuroMax generators are both approved by the EPA (Environmental Protection Agency) and CARB (California Air Resources Board) and follow strict guidelines to ensure our generators are as environmentally friendly as possible

A-iPower SUA4000iED 4000 Watt Portable Inverter Generator Gas & Propane Powered, Small with Electric Start RV Ready for Camping, Tailgate, or Home emergency


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A-iPower SUA4000iED 4000 Watt Portable Inverter Generator Gas & Propane Powered, Small with Electric Start RV Ready for Camping, Tailgate, or Home emergency

$879.00
$807.50
 in stock
Amazon.com
as of November 23, 2022 2:13 am

Features

  • The A-iPower SUA4000iED Dual Fuel inverter generator produces 4,000 starting watts with 3,500 running watts of power with gasoline and 3,500 starting watts with 3,200 running watts with propane (LPG)
  • A-iPower’s inverter technology allows for safe and clean power for sensitive electronics such as phones, televisions, laptops, and other electronics
  • Complete with A-iPower’s “Low idle” technology for an extended run time of 5 hours at 100% load and 7 hours at 50% load.
  • Equipped with a REMOTE/ELECTRIC START capability, this powerful 223cc OHV 4-Stroke engine provides an abundant power supply along with a low oil alert light and low oil automatic shutdown, helping keep your generator performing year after year.
  • Complete with 2-NEMA 120V AC 20A Household, 1-NEMA 120V AC 30A L5-30R Locking, 2 x USB

WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator, CARB Compliant, Black/orange & 56310iC Universal Weatherproof Inverter Generator Cover, Large, Grey


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WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator, CARB Compliant, Black/orange & 56310iC Universal Weatherproof Inverter Generator Cover, Large, Grey

$397.64  in stock
Amazon.com
as of November 23, 2022 2:13 am

Features

  • Product 1: Dimensions: 19.8" L x 13.8" W x 18.9" H | Weight: 66.1 lb
  • Product 1: Generate clean power to safely operate sensitive electronics such as phones, tablets, televisions and computers
  • Product 1: Parallel-ready panel allows you to connect any two WEN inverter generators for increased wattage output
  • Product 1: 212cc 4-stroke CARB-compliant OHV engine produces 4000 surge watts and 3500 rated watts
  • Product 2: Protect your generator from the elements with a water-proof and UV resistant cover

Champion Power Equipment 100573 4000-Watt DH Series Open Frame Inverter, Wireless Remote Start, 4000-Watt + Gas + Remote Start


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Champion Power Equipment 100573 4000-Watt DH Series Open Frame Inverter, Wireless Remote Start, 4000-Watt + Gas + Remote Start

$1,352.14
$764.00
 in stock
Amazon.com
as of November 23, 2022 2:13 am

Features

  • Advanced Open Frame Inverter Design: 50% quieter and 20% lighter than a traditional Champion 3500-watt generator, plus this inverter only produces Clean Power, and Economy Mode saves fuel
  • Wireless Remote Start: The wireless remote key fob allows you to start and stop your inverter from up to 80 feet away, plus the electric push-button start includes a battery
  • Quiet Technology and Extended Run Time: 64 dBA is great for RVs, tailgating, your next project or home backup, with 4000 starting watts and 3500 running watts for up to 17 hours run time on gasoline
  • Parallel Ready: The optional Parallel Kit allows you to increase your power output even more by connecting up to two 2800-watt or higher inverters or digital hybrids
  • Champion Support: Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts

Carburetor for Champion Power Equipment 3500 4000 Watts Gas Generator Engine Carb with Fuel Tank Shut off Valve Spark Plug kit


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Carburetor for Champion Power Equipment 3500 4000 Watts Gas Generator Engine Carb with Fuel Tank Shut off Valve Spark Plug kit

$17.49  in stock
Amazon.com
as of November 23, 2022 2:13 am

Features

  • Quality Aftermarket Replacement Carburetor & 28-1783-V Fuel Tank Shut off Valve Spark Plug kit
  • 46561 Carburetor for for Champion Power Equipment(CPE) Branded 3000/3500/4000 Watts Gasoline Generator Engine Carb
  • Carburetor Fits Gasoline Generator Models:46558, 46561, 46594, 46596, 46533, 46534, 46535, 46539, 46540, 46551, 46553, 46554 & 46555, 40026, 40008, 40012, 46514, 46515, 46516, 46517 & 45633.
  • 28-1783-V Generator Fuel Tank Shut off Valve for M10X1.25 tank port threds, Fuel line 1/4, hose barb Dimensions 1-1/2 X 1-3/16 X 2-7/8
  • Package includes: 1 x Carburetor,1 x Choke Lever,1 x Fuel Line, 3 x Gaskets, 1 x Generator Fuel Tank Shut off Valve, 1 x Spark Plug , 1 x Fuel Filters

Ignition Coil + Spark Plug Replacement for Champion Power 196cc 6.5HP 3500 4000 Watt Gas Engine Generator


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Ignition Coil + Spark Plug Replacement for Champion Power 196cc 6.5HP 3500 4000 Watt Gas Engine Generator

$13.59
$12.39
 in stock
2 new from $12.39
Free shipping
Amazon.com
as of November 23, 2022 2:13 am

Features

  • New high quality ignition coil + spark plug suitable Replacement for Champion Power Equipment Branded 196CC 6.5HP 3500/4000 Watts Gasoline Generator Models.
  • Replace Part Numbers: 46558 46561 46596, 46535, 46539, 46540, 46551, 46553, 46554 & 46555, 40026, 40008, 46514, 46515, 46516, 46517 & 45633.
  • Package Includes ignition coil + spark plug, you will receive exactly what you see on the pictures.
  • Brand New and Well Packaged.
  • High quality products with competitive price, fast delivery and good service, free shipping and shipped from USA warehouse.

partszen 46561 Carburetor with Spark Plug Fuel Tank Shut Off Valve for Champion Power Equipment 3000 3500 4000 Watts Gas Generator Engine Carb Replaces 28-1783-V


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partszen 46561 Carburetor with Spark Plug Fuel Tank Shut Off Valve for Champion Power Equipment 3000 3500 4000 Watts Gas Generator Engine Carb Replaces 28-1783-V

$15.98  in stock
Amazon.com
as of November 23, 2022 2:13 am

Features

  • Replaces part number: 28-1783-V for 46561 Carburetor for for Champion Power Equipment(CPE) Branded 3000/3500/4000 Watts Gasoline Generator Engine Carb.
  • Fitment for: M10X1.25 tank port threds, Fuel line 1/4, hose barb Dimensions 1-1/2 X 1-3/16 X 2-7/8
  • Fitment for: Gasoline Generator Models: 46558, 46561, 46594, 46596, 46533, 46534, 46535, 46539, 46540, 46551, 46553, 46554 & 46555, 40026, 40008, 40012, 46514, 46515, 46516, 46517 & 45633.
  • Wish this high-quality aftermarket product kit would bring you a good experience. If there is any problem, please feel free to contact us.
  • Package Includes: 1 x Carburetor, 1 x Choke Lever, 1 x Fuel Line, 3 x Gaskets, 1 x Generator Fuel Tank Shut off Valve, 1 x Spark Plug

Poweka New Recoil Starter for Champion Power Equipment 3000 3500 4000 Watts Gas Generator


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Poweka New Recoil Starter for Champion Power Equipment 3000 3500 4000 Watts Gas Generator

$12.42  in stock
Amazon.com
as of November 23, 2022 2:13 am

Features

  • New high quality replacement recoil starter
  • Fits for Champion Power Equipment Branded 196CC 6.5HP 3500/4000 Watts Gasoline Generator
  • Length center to center hole is 160mm
  • Package including 1 recoil starter

ALLY Carburetor Carb with Spark Plug for Harbor Freight Chicago Predator 4000 3000 3500 3050 3200 4000 Watt Portable Gas Generator


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ALLY Carburetor Carb with Spark Plug for Harbor Freight Chicago Predator 4000 3000 3500 3050 3200 4000 Watt Portable Gas Generator

$15.28  in stock
Amazon.com
as of November 23, 2022 2:13 am

Features

  • Brand New Aftermarket Carburetor
  • Fits For:Predator 4000 watt portable gas generator
  • Fits For: Harbor Freight Chicago Predator Generator 3000 3050 3200 4000 W
  • Package includes:1x carburetor + 3x gasket + 1x fuel line + 1x Spark Plug

1PZ PCR-681 Fuel Switch Valve Petcock for Predator 212cc 4000W 63079 63080 63089 GX240 GX270 GX340 GX390 Generator (M16X1.5)


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1PZ PCR-681 Fuel Switch Valve Petcock for Predator 212cc 4000W 63079 63080 63089 GX240 GX270 GX340 GX390 Generator (M16X1.5)

$9.99
$8.99
 in stock
Amazon.com
as of November 23, 2022 2:13 am

Features

  • Fit for Chinese Gasoline Generator 5.5HP 6.5HP 7HP 8HP 9HP 11HP 13HP 14HP 15HP 16HP 168F 163CC 196CC 170F 208CC 211CC 173F 177F 182F 188F 190F
  • Compatible for Honda EB3500X EB3500XK1 EB3800X EB5000X EB5000XK1 EB5000XK2 EB6500SX EB6500X,EM3500SX EM3500SXK1 EM3500X EM3800SX EM5000SX EM5000SXK1 EM5000SXK2 EM5000X Generator
  • Nut threading 16mm x 1.5mm; 22mm hex nut
  • They are nicely packed in a 1PZ Brand Gift Box. We make sure your items will be delivered safely
  • 1PZ Brand Quality Ensured, 1 Year Warranty, Money Back Guarantee, No Risk, No Hassle

So, These are some of the best 4000w gas generator with all the major features that you must be looking for. Now you can easily pick out the best one based on your budget, needs and preferences. Still, if you found yourself confused about choosing the best product, then you can try this WEN GN400i RV-Ready 4000-Watt Open Frame Inverter Generator, CARB Compliant, Black/orange & 56310iC Universal Weatherproof Inverter Generator Cover, Large, Grey for more recommendations. Hope you enjoyed reading the article!