12V Fuel Pump 149-2145 149-2272 / Facet 40189 40189N for Onan, 3.5-5 PSI
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
| Application | Models / Details |
|---|---|
| Onan / Cummins-Onan applications | Fuel systems cross-referencing 149-2145 or 149-2272 |
| Facet pump family | 40189 / 40189N |
Product Overview
Hard starting, fuel starvation under load and intermittent power loss can come from a weak supply pump, but plugged filters, air leaks and tank restrictions can create similar symptoms. Confirm the fuel path before replacement.
Facet/Onan listings identify this as a low-pressure 12V pump in the 3.5-5 PSI range. Verify inlet/outlet orientation before installation.
Key Features & Performance
- Restores low-pressure fuel supply to the engine
- Useful for hard-start or fuel-starvation repairs after proper diagnosis
- Application-specific mounting and connection layout
- Key specification(s): 12V; 3.5-5 PSI
Replaces / Cross-References
149-2145, 149-2272, 40189, 40189N
Fitment Notes
We do our best to list all compatible models, but equipment manufacturers may use different components within the same model based on engine, serial number or production date. Compare the original part and reference numbers before ordering.
Frequently Asked Questions
How do I verify fitment?
Compare the listed model/application, reference numbers, voltage/specification where shown, connector style and physical configuration to the part being removed. Serial-number breaks can apply on industrial equipment.
Is this an OEM part?
This listing is for a replacement component. It should not be assumed to be a genuine OEM-branded part unless the product packaging/listing explicitly states that.