ONAN 1856851 EXHAUST MANIFOLD GASKET ONAN/CUMMINS OEM part
ONAN
- Payment Methods
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- SKU:
- ONAN 185-6851
- MPN:
- 185-6851
- Condition:
- New

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Description
- Precision-engineered to preserve your equipment’s efficiency and durability.
- Maintains a proper seal between exhaust manifold components.
- Resists heat and wear to support optimal engine operation.
- Guaranteed genuine OEM quality from ONAN to fit your equipment exactly.
ONAN 185-6851 EXHAUST MANIFOLD GASKET—Reliability Crafted by ONAN
The ONAN 185-6851 Exhaust Manifold Gasket is a critical component designed to seal the connection between the exhaust manifold and the engine. This ONAN ONAN 185-6851 gasket plays an essential role in handheld and small engine outdoor power equipment by preventing exhaust leaks and maintaining proper engine performance. Using this genuine ONAN part ensures your equipment operates as intended by the original manufacturer.
ONAN Engineered Precision for Seamless Exhaust Function
The exhaust manifold gasket forms a tight sealing surface, preventing exhaust gases from escaping where the manifold joins the engine. In devices like ONAN-powered zero-turn mowers or riding mowers, this gasket helps maintain proper back pressure and exhaust flow, which are key to efficient engine function and fuel economy. Without a properly sealing gasket, exhaust leaks can lead to reduced engine power, increased noise, or engine component damage over time.
ONAN Insight: Recognizing the Signs to Replace Your Exhaust Manifold Gasket
Timely replacement of the exhaust manifold gasket helps avoid performance issues and protects your equipment’s long-term dependability.
- Visible signs of exhaust leakage such as soot or black staining near the gasket area.
- Unusual engine noise or ticking sounds during operation, indicating escaping exhaust gases.
- Decreased engine power or unusual odors suggesting leaks in the exhaust system.
ONAN Answers: Your Questions on the 185-6851 Exhaust Manifold Gasket
Is this a genuine ONAN OEM part?
Yes, the ONAN 185-6851 Exhaust Manifold Gasket is a genuine OEM component, precisely manufactured by ONAN to match original specifications and ensure reliable performance.
How do I confirm it fits my ONAN equipment?
Verify your equipment’s model and serial number against your current part number to ensure compatibility with the ONAN 185-6851 Exhaust Manifold Gasket before ordering.
Selecting genuine ONAN parts like this exhaust manifold gasket helps maintain your equipment’s original engineering and operational integrity. When you need dependable replacement components, choose the ONAN 185-6851 with confidence to keep your machine running smoothly.
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