Cummins 6BT Starter A040J391 OEM
ONAN
- Payment methods
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- SKU:
- A040J391-B
- MPN:
- A040J391
- Condition:
- New
- Availability:
- Ships (leaves our warehouse) within next business day if in stock
- Shipping:
- View Shipping Rates

Available Inventory
Get what you need quickly with our wide stock and fast shipping.
Competitive Pricing
Enjoy competitive rates and great deals on every order.
Customer Support
Our team is always ready to answer your questions and provide the best assistance.
Description
- Power your engine with confidence – ONAN’s trusted starter for unmatched reliability.
- Robust design ensuring consistent ignition and long-lasting durability.
- Precision engineered to fit perfectly and perform flawlessly.
- 100% Genuine OEM part from ONAN, guaranteeing authentic Cummins quality.
A040J391-B Starter - Ignite your journey with ONAN’s unmatched precision and power
The ONAN A040J391-B Starter is crafted to deliver dependable engine starts, designed for longevity and optimal performance. As a genuine OEM part, it ensures perfect compatibility and durability for your diesel engine. Upgrade today to experience seamless operation and keep your engine running strong. Take the step now and power your engine with confidence.
Feature that fuels your peace of mind
- Durable construction provides reliable engine starting, minimizing downtime and maintenance.
- Timely replacement prevents unexpected failures and costly repairs, protecting your investment.
- Order your ONAN A040J391-B Starter today and secure uninterrupted engine performance.
Details
Category: Fast Moving parts
Product SKU: A040J391-B
Our dedicated customer service team is always ready to help you select the right part and answer your questions. Contact us anytime via our help center for expert guidance. We genuinely wish you the best purchase experience and a smooth, successful repair that keeps your engine running at its best.
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