ONAN 185-6120 CYLINDER HEAD GASKET - ONAN Genuine OEM Part
ONAN
- Payment methods
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- SKU:
- ONAN 185-6120
- MPN:
- 185-6120
- Condition:
- New
- Availability:
- Ships (leaves our warehouse) within next business day if in stock
- Shipping:
- View Shipping Rates


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Description
- This is a Genuine ONAN OEM Cylinder Head Gasket, designed specifically for your power system’s exact specifications.
- Provides a critical seal between the cylinder head and engine block, preventing coolant and combustion gas leaks.
- Enhances engine efficiency and supports long-term durability under demanding conditions.
- Experience trusted engineering precision that upholds your generator’s reliability.
ONAN 185-6120 CYLINDER HEAD GASKET - Engineered Precision Meets Enduring Performance
The ONAN 185-6120 Cylinder Head Gasket plays a pivotal role in maintaining your generator’s operational integrity by ensuring a flawless seal under extreme pressures and temperatures. Installing this genuine part safeguards engine health, reduces emissions, and maximizes fuel economy. Secure the dependable heart of your power system today by adding this essential component to your cart – engineered to sustain peak performance with uncompromised quality.
Authenticity, Dependability, and Performance That Empower Confidence
- Crafted by ONAN to guarantee exact fitment and optimal compatibility with your generator’s engine.
- Manufactured from premium materials to withstand thermal cycles and pressure fluctuations without degradation.
- Minimizes risk of leaks that could compromise engine efficiency or cause costly downtime.
- Preserves emissions compliance and reduces noise for smoother generator operation.
- Compliant with warranty standards, safeguarding your investment in Cummins/ONAN equipment.
Details
Category: Cylinder Head Gaskets
Product SKU: ONAN 185-6120
Our team is committed to supporting your purchasing choices with expert guidance and responsive assistance available through our Help Center. We take pride in helping you find the perfect part to maintain your generator’s performance and reliability. With care and precision, we hope your repair journey leads to lasting power and peace of mind.
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