143-18 2.5" ROUND 2.5" OPEN BACK MOUNTING GROMMET

Technical 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 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 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 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 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 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 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.