2.5" Round 2.5" Open Back Mounting Grommet - 143-18
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$2.55
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Description
2.5" Round 2.5" Open Back Mounting Grommet.
Specifications
| Part Type | Mounting Grommet (for 2.5" Round Lights) |
|---|---|
| Part Number | 143-18 |
| Brand / Line | Peterson Manufacturing |
| Description | 2.5" Round Open-Back Mounting Grommet. Allows flush/recess mounting of 2.5" diameter sealed lights. Provides additional shock absorbency to extend light life. Requires 2 25/32” mounting hole. Often paired with PL10 plug-style lights. |
| Compatible Light Diameter | 2.5 inch (63.5 mm) |
| Mounting Hole Size | 2 25/32 inch (70.6 mm) |
| Key Benefit | Shock absorption + flush aesthetic mounting |
| Packaging | Poly Bag |
| Application | Flush mounting of 2.5" round clearance, marker, or auxiliary lights on trucks and trailers |
Vehicle Fitment
| Make | Model | Model Years | Notes | |
|---|---|---|---|---|
| UNIVERSAL | All Heavy-Duty Trucks & Trailers using 2.5" Round Lights (Freightliner, Kenworth, Peterbilt, International, Western Star, Mack, Volvo, Sterling) | 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | Flush mounting of 2.5" round clearance, marker, or auxiliary lights | |
| UNIVERSAL | Buses & Coaches | 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | Flush mounting of 2.5" round lights | |
| UNIVERSAL | Trailers & Vocational Equipment | 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 | Flush mounting of 2.5" round lights | |
| UNIVERSAL | Universal for any vehicle using standard 2.5" round clearance, marker, or auxiliary lights that require flush mounting. | Universal for any vehicle using standard 2.5" round clearance, marker, or auxiliary lights that require flush mounting. | Universal for any vehicle using standard 2.5" round clearance, marker, or auxiliary lights that require flush mounting. | Commonly paired with Peterson 143 series and LED143 lights |
| UNIVERSAL | Notes | Peterson 143-18 is the standard open-back grommet for flush mounting 2.5" round lights. It provides both a clean aesthetic and extra vibration dampening. Works with both incandescent and LED versions of Peterson’s 2.5" round lights (including models with PL10 plugs). Often sold in kits with the matching plug (142-49) and grounding screw. | Peterson 143-18 is the standard open-back grommet for flush mounting 2.5" round lights. It provides both a clean aesthetic and extra vibration dampening. Works with both incandescent and LED versions of Peterson’s 2.5" round lights (including models with PL10 plugs). Often sold in kits with the matching plug (142-49) and grounding screw. | Peterson 143-18 is the standard open-back grommet for flush mounting 2.5" round lights. It provides both a clean aesthetic and extra vibration dampening. Works with both incandescent and LED versions of Peterson’s 2.5" round lights (including models with PL10 plugs). Often sold in kits with the matching plug (142-49) and grounding screw. |
Part Numbers & Cross References
| Brand | Part Number |
|---|---|
| Peterson Manufacturing | 143-18 |
| Peterson Manufacturing | 142-49 (PL10 Plug for use with this grommet) |
| Application | 2.5" Round Open-Back Mounting Grommet for Flush Installation |
Important Notes
Fitment Notes: Supplier claims; not independently verified

2.5" Round 2.5" Open Back Mounting Grommet - 143-18
$2.55