ONAN 120-0398 BYPASS PLUNGER VALVE - ONAN Genuine OEM Part
ONAN
- Payment methods
-
- SKU:
- ONAN 120-0398
- MPN:
- 120-0398
- Condition:
- New
- Availability:
- Ships (leaves our warehouse) within next business day if in stock
- Shipping:
- View Shipping Rates


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Description
- Genuine ONAN OEM component crafted to exact Cummins standards
- Controls fluid flow to regulate engine pressure effectively
- Ensures optimal engine performance and prolongs system lifespan
- Maintain peak power generation reliability under any condition
ONAN 120-0398 BYPASS PLUNGER VALVE - Trust ONAN’s Engineering Excellence in Every Component
The ONAN 120-0398 Bypass Plunger Valve plays a critical role in managing pressure regulation within your Cummins-Onan generator system. Designed to maintain steady engine operation and prevent overpressure conditions, it safeguards your investment while supporting consistent power output. Secure this essential part for your equipment to ensure dependable function through demanding usage. Maintain peak power generation reliability under any condition.
Benefit and Feature You Will Appreciate
- Guaranteed genuine ONAN quality assuring full compatibility and flawless fit
- Engineered for precise pressure control enhancing operational efficiency
- Durable materials resist wear, extending the service interval of your generator
- Designed to reduce emissions impact by maintaining optimal engine parameters
- Enhances system reliability critical for mission-essential power applications
Details
Category: Bypass Valves
Product SKU: ONAN 120-0398
Our team is committed to providing expert guidance throughout your purchase process to ensure you select precisely what your generator needs. Reach out anytime via our help center for personalized support. We genuinely hope this part contributes to a seamless repair experience and restores your power system to its full potential with confidence.
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