ONAN 149-0858 FUEL PUMP GASKET - ONAN Genuine OEM Part
ONAN
- Payment methods
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- SKU:
- ONAN 149-0858
- MPN:
- 149-0858
- Condition:
- New
- Availability:
- Ships (leaves our warehouse) within next business day if in stock

Available Inventory
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Competitive Pricing
Enjoy competitive rates and great deals on every order.
Customer Support
Our team is always ready to answer your questions and provide the best assistance.
Description
- Certified as a Genuine ONAN replacement part, guaranteeing quality and exact fitment.
- Provides a secure seal between the fuel pump and engine, preventing leaks and maintaining fuel pressure integrity.
- Enhances engine efficiency by supporting consistent fuel delivery and reducing potential contamination.
- Trusted OEM engineering that upholds the legacy of Cummins and Onan's commitment to durability and performance.
ONAN 149-0858 FUEL PUMP GASKET - Precision Crafted to Empower ONAN Engines
This ONAN 149-0858 fuel pump gasket is a vital component designed to maintain the integrity of your fuel system. By creating a perfect seal, it helps prevent fuel leaks and ensures your generator operates smoothly and efficiently under all conditions. Secure your power system’s reliability today by adding this genuine part to your cart and experience the performance Cummins and Onan engineers envision.
Unlock Confidence Through a Genuine Part
- Engineered specifically for Cummins/Onan fuel pumps to guarantee seamless installation and peak functionality.
- Constructed from high-grade materials to withstand heat, pressure, and chemical exposure, supporting long-term durability.
- Maintains optimal fuel flow and pressure, essential for stable engine operation and superior emissions management.
- Preserves compliance with safety and warranty standards, protecting your investment in critical power equipment.
Details
Category: Fuel Pump Gaskets
Product SKU: ONAN 149-0858
Our team is dedicated to guiding you through selecting the perfect genuine ONAN components for your generator. Should you need assistance, our help center is readily available to provide expert advice tailored to your specific power system needs. We are passionate about helping you secure the best possible repair and supporting your equipment’s dependable performance for years to come.
Returns Information
You may return new, non-used, and unopened items within 30 days of delivery date under a 20% re-stocking fee in case you do not need it anymore or you have ordered a wrong item.
We cannot accept any returns on "Pumps, Motors, Electrical Items & Transmissions" whether the product is used or new, however in rare cases we may allow an exception under a 40% re-stocking fee.
If you need to return an item, please go to our chat located in the lower right corner, select the option “Returns” and follow the steps to submit your request. Please have on your hands pictures of the item, they will be requested. You will shortly receive an answer from our Customer Service Team providing authorization and return instructions. Likewise, if an exception cannot be authorized, you will receive an answer from us. No returns will be accepted in our warehouse without an RMA number (Return Merchandise Authorization).
All return shipping costs are on customer's responsibility and will not be refundable.
Returns are inspected once they arrive. If the inspection determines that the items are used, non-resellable condition, or damaged, the return will be denied and the customer will be contacted to ship the parts back at the customers' request and cost.
Cancellations
You may cancel your order, in whole or in part, only if the part is backordered and it isn't ready to ship. Once an order has been shipped, sent from the supplier to our warehouse, or in the dispatch line, we cannot cancel it. If your order is shipped, you will need to follow our return policy to return the items you no longer want.
If you need to cancel an order or item for any reason, you may submit a cancellation request directly through your account to the "more options" section or contact us by live chat. All the cancellation requests are evaluated before its approval. If you submit a cancellation request out of business hours, on a weekend or holiday, it will be processed on the next available business day.
Please allow for the cancellation to be confirmed, and check your account for updates on the status. The cancellation process usually takes 24-48 hours to be confirmed by email. We will process your cancellation request and issue a refund to your original payment method.
In the event that an item becomes no longer available (NLA), we will cancel it from your order and ship the remaining items to you. We will send you an email notification if we cancel any part of your order.
Some products may contain chemicals known to the State of California to cause cancer or reproductive harm. ⚠️ WARNING: www.P65Warnings.ca.gov