ONAN A029M421 OIL FILTER - ONAN Genuine OEM Part
ONAN
- Payment methods
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- SKU:
- ONAN A029M421
- MPN:
- A029M421
- Condition:
- New
- Availability:
- Ships (leaves our warehouse) within next business day if in stock


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
- Certified Genuine ONAN Replacement Part ensuring original quality and perfect fit
- Effectively removes contaminants to preserve engine oil cleanliness and prolong engine life
- Optimizes oil flow to improve engine efficiency and reduce wear
- Dependable Cummins Onan engineering designed for rigorous power demands
ONAN A029M421 OIL FILTER - Elevate Your Power Reliability with ONAN’s Precision Filtration
The ONAN A029M421 oil filter is a vital component crafted to safeguard your generator’s engine by maintaining clean oil circulation, essential for peak performance and durability. Designed specifically for Cummins Onan systems, this filter provides consistent oil quality, helping prevent costly engine damage. Secure your unit’s vitality by choosing genuine parts—add the ONAN A029M421 oil filter to your cart today and experience uninterrupted power reliability.
Benefit that Counts: Trusted Assurance with the ONAN A029M421 Oil Filter
- Authenticity guaranteed—manufactured to Cummins Onan’s exact standards for seamless compatibility
- Enhances engine longevity by efficiently capturing impurities that degrade oil quality
- Promotes smoother engine operation and improved fuel economy under continuous load
- Supports emissions control by maintaining optimal oil condition and minimizing engine deposits
- Built to withstand demanding conditions in residential, RV, commercial, and industrial settings
Details
Category: Oil Filters
Product SKU: ONAN A029M421
Our knowledgeable team is committed to helping you select the right components to keep your generator running flawlessly. For expert guidance and swift assistance, reach out via our help center anytime. We take pride in supporting your success by ensuring you find the parts that deliver dependable service and peace of mind throughout every repair and maintenance task.
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