Cummins Onan Fuel Filter Assembly 0149-2100
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
The Cummins Onan 0149-2100 Fuel Filter Assembly is a replacement fuel filtration assembly used on compatible Onan generator applications. This assembly helps remove contaminants from the fuel supply before fuel reaches the engine, supporting cleaner operation, easier starting, and reliable generator performance.
Key Features
- Genuine Cummins Onan-style fuel filter assembly
- Helps protect the generator fuel system from dirt and debris
- Used on compatible Onan generator fuel systems
- Replacement assembly for service, repair, or restoration work
- Correct replacement when 0149-2100 is specified in the parts breakdown
Product Compatibility
For compatible Cummins Onan generator applications that call for fuel filter assembly 0149-2100.
Fitment Notice
Confirm fitment by generator model, spec letter, fuel system layout, and original part number before ordering. Onan generator parts can vary by model series, production spec, and fuel configuration.
When This Part Needs Replacement
Replace the fuel filter assembly if it is leaking, restricted, damaged, corroded, contaminated, or no longer sealing properly. It may also be replaced during fuel system repairs or when restoring an older generator.
Installation Notes
Shut off the fuel supply before removal. Inspect fuel hoses, clamps, fittings, and sealing surfaces during installation. After replacement, check carefully for leaks and verify proper fuel flow before returning the generator to service.
Alternate/Superseded Part Numbers
- 0149-2100
- 149-2100
Parts Desk Insight
Onan generator parts are often model-and-spec specific. Matching the part number is important, but checking the generator model and spec letter is usually the safest way to avoid ordering the wrong fuel-system component.
Shipping: Ships same or next day for fast Canada wide shipping. ⚓
Shipping information
In-stock OEM parts: ship same or next business day.
Other in-stock products: ship within 1–3 business days.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.