Top 10 Best onan 4000 carburetor in 2026

Last Updated - 6/22/2026

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ATRACYPART

Carburetor Carb with Gaskets for Onan Cummins Generator & Microquiet 4000-Watt 4KYFA26100 4KYFA26100P 4KYFA26100K Replace# A042P619, A041D736, 146-0785

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•FITS: Onan cummins microquiet ky series 4000-Watt 4KYFA26100 4KYFA26100P 4KYFA26100K
•Replace Part Number: A042P619, 146-0785, A041D736, 146-0635, 146-0703, 146-0742, 146-0803, 146-0743, 146-0759
•CARBURETOR REPLACEMENT: You will get the fairly reliable and durable carb to help deliver optimum engines performance and to give your onan 4000 K generator the new power and torque. Perfect choice to replace your defective carb assembly
•PREMIUM QUALITY: This carburetor is manufactured to the highest production standards which means that it is good at mixing fuel and air, keeps your onan 4kw generator running smoothly and prevents engine from lacking of oil or spilling
•24-MONTH WARRANTY: If for any reason at all, you are not fully satisfied with the carburetor assembly, you can contact us through amazon message for carefree REPLACEMENT or REFUND

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$33.99

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sworwin

Carburetor Compatible with Onan Cummins A042P619 Microquiet 4000 Watt Onan 4KYFA26100 4KYFA26100P 4KYFA26100K KY Generator Replaces 146-0759 146-0785 146-0803 with Air Filter

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•DIRECT REPLACEMENT - Replacement for OEM part numbers 146-0785 146-0803 146-0635 146-0703 146-0742 146-0743 146-0759.They deliver reliable performance equivalent to the original equipment.
•COMPATIBLE MODELS - Compatible with Onan Cummins A041D736 A042P619 A042P622 Microquiet 4000-Watt generator,fit for Onan 4KYFA26100 4KYFA26100P 4KYFA26100K KY generator series.To ensure 100% compatibility, please carefully compare it with your original carburetor.
•BUILT TO OEM STANDARDS - Manufactured to match exact OEM specifications, this carburetor ensures top-tier performance. Though not an OEM part, it functions as a perfect replacement, maintaining the same quality and dependability.
•TOUGH AND RELIABLE - Made from durable, high-quality materials, this carb is built to withstand harsh conditions, offering consistent and dependable performance even in demanding environments.
•SATISFACTION GUARANTEE - Enjoy peace of mind with our hassle-free return or refund policy within 30 days of purchase. Additionally, we provide a 6-month quality warranty with free replacements for any issues that arise.

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$35.90

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YOFMOO

YOFMOO 146-0881 A041D744 Carburetor Compatible with Onan Cummins RV Generator QG 4000 4KYFA-6747P 0A6562 KY Series 1460881 QG4000 4KYFA6747P Carb

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•Brand new aftermarket part, we provide 100% perfect customer service!
•Compatible with Onan Cummins 146-0881 RV Generator A041D744 carb.
•Compatible with Onan QG 4000 4KYFA-6747P model, for Cummins 0A6562 KY Series Generator.
•Package included: 1 x carburetor. 1 x carburetor cleaning brush. 3 x mounting gaskets. 1 x fuel shut off valve. 2 x fuel filters. 2 x fuel lines. 10 x clamps.
•Customer Service: All products are manufactured to the highest quality standards to ensure that your models stay strong and sturdy. Please feel free to contact our customer service team for any concerns or problems.

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$36.99

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Dosens

Dosens Carburetor Compatible for Onan Cummins 146-0785 RV Generator KY Series A042P619 A041D73 A041D736 146-0803 146-0759 146-0785 Microquiet 4000-Watt 4KYFA26100 4KYFA26100P 4KYFA26100K 4KY26100R

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Compatible for Onan Cummins Generator Carburetor A042P619 Microquiet 4000-Watt
•Compatible For Onan 4KYFA26100 4KYFA26100P 4KYFA26100K KY Generator Series
•Replace part number :146-0785 146-0803 146-0635 146-0703 146-0742 146-0743 146-0759
•Compatible Onan Cummins A041D736 A042P619 A042P622
•Package includes 1 X carburetor, 3 X Mouting gaskets & 1 X Carbon Dirt Jet Cleaner Tool Kit

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$28.49

$29.99

-5%

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Carbhub

Carbhub 146-0785 Carburetor for Onan 146-0785 146-0803 Generator Carburetor KY Series A042P619, for Onan Cummins A041D736, Microquiet 4000 Watt 4KYFA26100 Generator Replaces 146-0759 146-0785 146-0803

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Fits Onan 146-0785 146-0803 Generator Carburetor KY Series A042P619
•Fits Onan Cummins A041D736, Microquiet 4000 Watt 4KYFA26100 Generators
•For 4KYFA26100K 4KYFA26100P A042P622 KY Replaces 146-0759 Spec A Carburetor
•Gaskets replace 146-0803, 146-0785
•Brand new high quality Aftermarket part by Carbhub

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$32.88

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Topkidame

Carburetor Carb for Onan 146-0785 146-0803 Generator KY Series A042P619, for Onan Cummins A041D736, Microquiet 4000 Watt 4KYFA26100 4KYFA26100P 4KYFA26100K Generator Replaces 146-0759

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Replace Part Number: 146-0785 146-0803 146-0635 146-0703 146-0742 146-0743 146-0759
•For Onan 4000 Carburetor, for Onan Cummins A041D736 A042P619 A042P622 Microquiet 4000 Watt Carburetor
•For Onan 4KYFA26100 4KYFA26100P 4KYFA26100K KY Generator Series
•Precision manufactured, direct replacement that works as well as the original. Made of high-quality aluminum alloy materials, heat-resistant, corrosion-resistant and wear-resistant, keeping your engine running much better
•Package includes 1x carburetor, 1x air filter, 3x gaskets, 1x fuel line, 1x fuel filter, 4x clamps(as pictured)

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$32.95

$34.98

-6%

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ACmango

Onan 4000 generator parts replacement carburetor for Onan MicroQuiet 4000-watt generators for 4KYFA26100K KYFA26100P ky-26100r KYFA26100KReplace# A042P619,A041D736,146-0785

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•【COMPATIBILITY】Fits Cummins Onan RV QG 4000 Power Generator Model ：4KYFA26100A / 4KYFA26100B / 4KYFA26100C / 4KYFA26100D / 4KYFA26100E / 4KYFA26100F / 4KYFA26100G / 4KYFA26100H / 4KYFA26100J / 4KYFA26100K / 4KYFA26100L / 4KYFA26100M / 4KYFA26100N / 4KYFA26100P / 4KYFA26100R
•【OE PART NUMBER】Onan Microquiet 4000 Parts Fits For A042P619,A041D736 4Kyfa26100 4Kyfa26100P 4Kyfa26100K 146-0785 146-0803 146-0635 146-0703 146-0742 146-0743 146-0759
•【Onan Microquiet 4000 Parts】No Instruction Included And We Recommend Professional Installation. All Products Are Brand New And Of Guaranteed Quality. A042P619 Carburetor Quality Checking:100 % Tested Before Shipped Out. Please Kindly Check The Models And Pictures Provided To Ensure Fitment. If You Are Not Sure, Please Email Us Firstly
•【Onan 4000 Generator Parts】Top Quality Carburetor Carb Kit, Constructed Of High-Quality Material For Long-Lasting Durability And Reliability, Meets Oem Standards. Mixe Air And Gas Before The Fuel Mix Goes To The Engine, Which Will Help Your Outdoor Power Equipment Run Well And Keep It At Optimum Performance. It Will Improve The Ease And Convenience Greatly
•【4Kyfa26100K Carburetor】onan 4000 tune up kit Perfectly Replace Them On Your Vehicle. Acmango Provides This Product With Have 30-Day Money-Back. (Refund Or Replace Your Purchase Without Worrying About Fees) Please Contact Us First With Any Questions, We Will Reply To You Within 24 Working Hours.

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$35.63

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Partman

Partman Carburetor fit for Onan Cummins A041D736,A042P619, Microquiet 4000-Watt 4KYFA26100 Generators

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Replace Part Number :146-0785 146-0803 146-0635 146-0703 146-0742
•Fi for Onan Cummins A041D736 4KYFA26100 4KYFA26100P 4KYFA26100K.
•Fit for RV Onon 4000, Microquiet 4000 Watt Generators.
•Fit for John Deere Gator HPX 4X4, RV Onon 4000
•If you have any questions, please contact us and we will respond within 24 hours

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$32.99

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YunStal

Carburetor Carb Kit for Onan Cummins A041D736 Microquiet 4000-Watt 4KYFA26100 4KYFA26100P 4KYFA26100K 1460803 1460785 Generators

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•【Quality Assured 】TOP quality A041D736 Carburetor Carb Kit,contructed of high quality material for long lasting durability and reliability,meets or exceeds OEM standards
•【Powerful Function】mixe air and gas before the fuel mix goes to the engine,which will help your outdoor power equipment running well and keep it at the optimum performance.It will improve the ease and convenience greatly
•【Reference Part Number】A041D736 4KYFA26100 4KYFA26100P 4KYFA26100K 1460803 1460785
•【Compatibility】For Onan Cummins A041D736 Microquiet 4000-Watt 4KYFA26100 4KYFA26100P 4KYFA26100K 1460803 1460785 Generators
•【Buy with Confidence】Order from YunStal,we offer 12 months warranty.We are committed to providing our consumers with high quality and cost-effective products,ensuring the true worry-free shopping experience

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$31.99

$34.99

-9%

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XGFWH

XGFWH 146-0881 Carburetor Replacement for Cummins Onan QG 4000 4000 W Generator Carburetor KY Series A041D744 Carb

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Carburetor replacement for A041D744 Generator Carburetor 4KYFA-6747P KY Seri
•Made of quality materials for long-lasting durability and superior performance
•Easy to install and fit perfectly. Put it on and the engine will start right up
•Manufactured to meet expectations for fit, form and function. Excellent replacement carburetor for your generator
•All parts are well tested before shipment to ensure proper fit and maximum performance

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$23.44

$25.33

-7%

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