ONAN 1543073S1 EXHAUST MANIFOLD ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
- Payment Methods
-
- SKU:
- ONAN 154-3073-S1
- MPN:
- 154-3073-S1
- Condition:
- New
- Shipping:
- $45.00 (Fixed Shipping Cost)

Available Inventory
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Competitive Pricing
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Customer Support
Our team is always ready to answer your questions and provide the best assistance.
Description
- Engineered Precision for Maximum Efficiency: Designed to optimize exhaust flow and reduce engine strain for improved power output and fuel economy.
- Durability That Withstands Harsh Conditions: Crafted from high-quality materials to resist corrosion, heat, and wear, ensuring long service life under demanding operation.
- Guaranteed Genuine ONAN OEM Quality: This exhaust manifold assembly is an authentic ONAN part, ensuring perfect fit and compatibility for your generator system.
ONAN 154-3073-S1 EXHAUST MANIFOLD ASSEMBLY—Powering Your Confidence with ONAN’s Legendary Reliability
Delivering unmatched durability and precision, the ONAN 154-3073-S1 EXHAUST MANIFOLD ASSEMBLY is crafted to maintain your generator’s optimal performance and longevity. Rely on this authentic OEM component to uphold engine health and efficiency under every load. Enhance your power system now by choosing genuine quality—your generator deserves the best.
Essential feature that safeguards your power
- Optimized Exhaust Flow: Ensures efficient emission expulsion, reducing engine stress and improving operating temperature.
- Timely Replacement Prevents Costly Issues: Replacing worn manifolds prevents leaks, engine damage, and performance loss—keep your generator running smoothly.
- Act Now for Reliable Power: Invest in this genuine ONAN part today to secure continuous, safe, and efficient generator operation.
Details
Product SKU: ONAN 154-3073-S1
Our knowledgeable support team is ready to guide you through selecting the precise part for your generator’s needs. Reach out via our help center anytime—we are dedicated to assisting you in achieving the best repair outcome and sustained generator reliability. We hope your purchase leads to years of dependable 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