Exterior Components› Body Panels and Components
Cummins/Onan
CUMMINS/ONAN HDKAG & DKG FUEL FILTER
SKU: C021 A026K278
Moderate — 2–4 hours
Description
This fuel filter is a direct replacement for Onan part number 149-2106 and is compatible with various Cummins Onan generator models. Checking your specific application before ordering is recommended to ensure proper fitment.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Cummins/Onan |
| Part Number | C021 A026K278 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy