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Description
xPremium replacement carburetor for Onan 5500/7000 Marquis Gold generators
Upgrade your Onan setup with the YDO carburetor, designed as a precise substitute for factory parts used in 5500 and 7000-series Marquis Gold generators. This unit intentionally targets a broad OEM footprint, replacing numbers such as 541-0765, 141-0983, and 146-0774, among others. The goal is to provide a reliable, cost-conscious option that fits without complex modifications.
Note: While crafted to OEM-style specifications for fit and performance, this is not an original equipment manufacturer part. It functions as a close substitute designed to maintain steady operation under typical usage scenarios.
In real-world use, technicians often value a straightforward swap, predictable fuel metering, and the ability to restore power delivery after wear. Whether you’re backing up a home system or keeping an RV’s power on the road, this carburetor is intended to support smooth starts, steady idle, and reliable operation across varying loads.
Compatibility at a glance
- Model compatibility: Cummins Onan 5500 Grand Marquis Gold Generator, Onan 7000 Marquis Gold RV Generator, and related HGJ variants (HGJAA, HGJAB, HGJAC, HGJAE, HGJAF, HGJAB-901D, HGJAB-900, 5.5HGJAB-6755K, P#O455K5/U, 7RK-B223401).
- OEM number coverage: replaces 541-0765, 141-0983, 146-0774, A043B781, 0541-0765, 141-0982, A041P558, 48-2042, and more.
Quality, durability, and performance
Crafted from high-quality materials, the carburetor is designed to endure the demands of generator operation. The construction emphasizes durability and stable performance in varied environments, helping your unit reach consistent running conditions over time.
What this means for your generator
- Designed for a practical, easy swap with common Onan configurations, reducing installation guesswork.
- Potential for steady air-fuel delivery, supporting smooth idle and reliable response under load.
- Durable components aimed at longer service life in RV and home standby contexts.
Installation considerations
The carburetor is developed for straightforward replacement in compatible Onan units. Ensure proper fuel connections, purge any old fuel, and follow standard safety precautions during installation. A careful match to the OE footprint helps minimize fitment concerns.
Warranty and shopping confidence
Enjoy a hassle-free shopping experience with a 30-day return/refund window and a 6-month quality warranty that includes complimentary replacements for eligible issues.
FAQ
Q: What generators is this carburetor compatible with?
A: Compatible with Cummins Onan 5500 Grand Marquis Gold, Onan 7000 Marquis Gold RV generators, and related HGJ series models.
Q: What warranty and returns are offered?
A: 30-day returns and a 6-month warranty with complimentary replacements for qualifying issues.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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