Beginner — under 30 min
Description
This grommet allows 2 1/2" diameter sealed units to be recess mounted. It requires a 2 25/32" mounting hole and a 142-49 or 162-49 plug for installation. The B144-18 grommet is recommended for open installations where a splash plate is not used.
Fitment
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Specifications
| Brand | Peterson Manufacturing |
| Part Number | P01B B144-18 |
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.
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