ONAN 509-0304 O-RING - ONAN Genuine OEM Part

ONAN
Genuine part
(No reviews yet) Write a Review
$5.73
$5.16
$0.57
Special Order
Item is not in stock. It has a Factory Back Order greater than 21 days from the request of the order.
Payment methods
Payment methods
SKU:
ONAN 509-0304
MPN:
509-0304
Condition:
New
Availability:
Ships (leaves our warehouse) within next business day if in stock
ONAN Original partOriginal Part Certification

Inventory

Get the product you need quickly with our best fast-shipping prices.

Best price

Our store offers you the best deals for Lawn Mowers Belts.

Customer Service

Our team is always ready to answer your questions.

Description

  • Authentic ONAN genuine OEM component designed to meet strict original specifications
  • Provides a precise, leak-proof seal essential to engine and generator system integrity
  • Resists wear and chemical exposure, contributing to long-lasting system reliability
  • Engineered for durable efficiency under demanding power generation conditions

ONAN 509-0304 O-RING - The Essential Seal that Powers ONAN Reliability

The ONAN 509-0304 O-RING is a critical sealing element crafted by ONAN engineers to safeguard your power system's efficiency and prevent fluid leaks. This integral part enhances engine health and generator performance through its exact OEM-fit design. Secure your system’s continuous operation by installing this authentic seal—procure your ONAN 509-0304 today and maintain operational excellence.

Benefit and Feature That Inspire Confidence

  • Guaranteed original part backed by Cummins/Onan quality control
  • Precision engineered for exact fit and superior sealing capacity
  • Enhanced resistance to fuel, oil, and coolants ensuring longer service life
  • Helps maintain emission standards and fuel economy of your generator
  • Contributes directly to noise reduction by preventing leaks and pressure loss

Details

Category: O-Rings
Product SKU: ONAN 509-0304

Our knowledgeable team is committed to guiding you toward the perfect part for your Cummins or Onan generator. Reach out anytime via our help center for tailored assistance. We are passionate about supporting your repairs and ensuring you achieve enduring, dependable operation with every purchase.

View AllClose

Warranty

Cummins warranty policy applies
View AllClose

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.

View AllClose

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.

View AllClose