In-stock parts
Order by 2PM MST
In-stock parts
Order by 2PM MST
UnitedBuilt’s Grommets, Plugs & Harnesses collection includes lighting installation components used to mount, connect, and service vehicle lights on water trucks, service trucks, commercial vehicles, trailers, and equipment. This collection includes rubber grommets, light plugs, pigtails, connectors, wiring harnesses, and related lighting repair components.
These parts are commonly used with DOT lights, marker lights, clearance lights, stop/turn/tail lights, backup lights, work lights, and other vehicle lighting assemblies. Proper grommets, plugs, and harnesses help protect lighting connections, support clean installation, and make future service or replacement easier.
UnitedBuilt stocks and distributes Peterson Manufacturing grommets, plugs, pigtails, and harness components used in water truck lighting systems, fleet maintenance, commercial vehicle repairs, and equipment upfits.
Light Harness, 6-Lamp Rearsill, Pig Tails For (2) Peterson M817C-7 Back-Up Lights, White, and (4) Peterson M826R-7 Stop/Turn/Tail Lights, Red.
Adapter Harness Plug, Universal, UnitedBuilt AC4656
Adapter Harness Plug, Kenworth, UnitedBuilt AC4657
Light Harness Kit, Rev 5/2019, UnitedBuilt HK4600 INCLUDES: (1) UnitedBuilt RA4610-A Light Harness, 6-Lamp Rearsill, Pig Tails (2) UnitedBuilt M...
View full details
Grommet only — lamp and electrical plug sold separately.The Peterson B142-18 open-back mounting grommet holds a compatible 2.5-inch round sealed li...
View full details
Pigtail Harness 138", Three Marker Lights, UnitedBuilt ID4613 For (3) Peterson M163R Marker Lights, Red
Pigtail Harness 90", Single Market Light, UnitedBuilt MK4612 For Peterson M163A Marker Lights, Amber or Peterson M163R Marker Lights, Red
Pigtail Harness 36", Single Market Light, UnitedBuilt MK4611 For Peterson M163A Marker Lights, Amber or Peterson M163R Marker Lights, Red
Adapter plug only — lamp and vehicle harness sold separately.The Peterson 417-491 3-wire PL3-to-AMP adapter plug connects compatible existing lamp ...
View full details
The Phillips 15-961 CLEAR-VU™ junction box brings trailer wiring connections together at seven #10 stud posts. Its ring-terminal arrangement accept...
View full details
The Cole Hersee 1232 trailer socket is a four-pole round, flange-mounted connector for vehicle electrical connections. Its protective door helps ke...
View full details
The Sealco TM38 7-terminal post junction box provides an enclosed connection point for a wiring system that requires seven terminal posts. Its remo...
View full details
Grommet only — light and wiring sold separately.The Peterson 421-18 oval light grommet is a black PVC mounting component for standard Peterson 6.5-...
View full details
Grommet only — light and wiring sold separately.The Peterson B426-18 4-inch round light grommet mounts a compatible round lamp flush in a panel. Us...
View full details
Adapter plug only — lamp and vehicle harness sold separately.The Peterson B417-481 2-wire PL3-to-AMP adapter plug connects compatible existing lamp...
View full details