ONAN 853004054 EXTERNAL TOO LOCK WASHER ONAN/CUMMINS OEM part

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Genuine Part
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$7.33
$5.86
$6.59
$1.47
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SKU:
ONAN 853-0040-54
MPN:
853-0040-54
Condition:
New
On Sale
ONAN Original partOriginal Part Certification
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Description

  • This ONAN 853-0040-54 External Too Lock Washer is crafted from high-grade steel ensuring strength and corrosion resistance.
  • Designed to securely lock components in place, preventing loosening during generator operation.
  • Constructed for long-lasting performance under demanding engine conditions and vibration.
  • Genuine OEM part manufactured by ONAN and authorized by CUMMINS for guaranteed compatibility.

ONAN 853-0040-54 EXTERNAL TOO LOCK WASHER – Engineered for unwavering strength and steadfast performance in every connection

This is a ONAN 853-0040-54 External Too Lock Washer replacement part designed for generator engine assemblies. Made from durable steel and fully authorized as an OEM component by ONAN/CUMMINS, it secures fasteners to maintain stable mechanical integrity during operation. Compatible with various ONAN generator models including MDKAV, MDKBL, and MDKCB series, this washer delivers precision fit and dependable longevity. Ensure optimal generator function by installing this authentic part promptly. Secure your investment with trusted OEM reliability—lock in performance, lock in success.

Reliability in Every Lock

  • Precisely engineered steel washer prevents fastener loosening under high vibration loads.
  • Timely replacement avoids mechanical failures and supports safe generator operation.
  • Act now to maintain your generator’s operational integrity and avoid costly downtime.

Details

Product Details
SKU ONAN 853-0040-54
Brand ONAN
Part Type External Too Lock Washer
Purpose / Intended Use This washer is used to lock fasteners securely in ONAN generator engines, preventing loosening due to vibration and mechanical stress. Engineered to maintain consistent clamping force, it ensures critical engine components stay firmly connected during operation.


Our customer service team is available to provide expert assistance, helping you select the correct part for your specific ONAN generator model. Reach out anytime through our Help Center for personalized support and detailed product information. We are committed to helping you complete your purchase confidently and achieve a successful repair.

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Warranty Information

Cummins warranty policy applies
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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.

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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.

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