ONAN 1866408 3 AND 4 CYLINDER OIL FILTER Original ONAN/CUMMINS OEM part
ONAN
- Payment Methods
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- SKU:
- ONAN 186-6408
- MPN:
- 186-6408
- Condition:
- New
- Shipping:
- View Shipping Rates

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Description
- Unmatched Reliability for Uninterrupted Power
- High-efficiency filtration to maintain engine purity and safeguard performance
- Designed to optimize oil flow and extend engine life under demanding conditions
- Authentic Cummins Onan OEM component guaranteeing perfect fit and factory compatibility
ONAN 186-6408 OIL FILTER – The Heartbeat of Your Onan Power Partner
Specifically crafted for maximum protection, the ONAN 186-6408 oil filter ensures your generator runs cleaner and longer. This genuine OEM component preserves engine health, reduces wear, and delivers consistent power day after day. Experience peace of mind and elevate your performance by choosing original parts. Take action now to secure reliability with every mile and minute powered. Depend on Cummins Onan excellence for every power moment.
Essential Feature that Drives Confidence
- Precision filtration that traps contaminants effectively, maintaining optimum engine cleanliness
- Timely replacement protects against premature engine damage and expensive repairs
- Invest today in genuine parts to safeguard your generator's integrity and performance
Details
Product SKU: ONAN 186-6408
Our customer care specialists stand ready to guide your purchase choices with expert advice tailored to your power system. Reach out to us at our help center anytime. We are committed to supporting your project’s success and wish you a seamless, confident replacement experience.
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