Lights & Grommets for Water Trucks | Peterson DOT Lights & Whelen Amber Lights — UnitedBuilt Equipment Skip to content
Quality Water Truck Systems, Tanks & Parts Since 1947
Quality Water Truck Systems, Tanks & Parts Since 1947

Lights & Grommets

UnitedBuilt’s Lights & Grommets collection includes lighting and installation components used on water trucks, service trucks, commercial vehicles, construction equipment, and fleet vehicles. This collection includes DOT lights, amber warning lights, LED light bars, beacon lights, work lights, marker lights, clearance lights, backup lights, stop/turn/tail lights, grommets, pigtails, plugs, and wiring harnesses.

Lighting is an important part of vehicle safety, visibility, and fleet uptime. DOT lighting supports road-legal vehicle operation, amber warning lights help improve visibility in active work areas, and work lights provide added illumination for service, inspection, and jobsite tasks.

UnitedBuilt stocks and distributes lighting components from trusted brands including Peterson Manufacturing for DOT lighting, grommets, and work lights, and Whelen for amber warning lights, beacons, light bars, and surface-mount warning lightheads.

Lights & Grommets - UnitedBuilt Equipment

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  • Light Harness, Rearsill, 6-Lamp, UnitedBuilt RA4610-B - UnitedBuilt Equipment
    203 in stock

    Light Harness, Rearsill, 6-Lamp, UnitedBuilt RA4610-B

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $78.51
    $78.51 - $78.51
    $78.51

    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.

    $0.00 - $0.00
    $0.00
    $78.51
    $78.51 - $78.51
    $78.51
  • Adapter Harness, Universal, UnitedBuilt AC4656 - UnitedBuilt Equipment
    Adapter Harness, Universal, UnitedBuilt AC4656 - UnitedBuilt Equipment
    101 in stock

    Adapter Harness, Universal, UnitedBuilt AC4656

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $27.20
    $27.20 - $27.20
    $27.20

    Adapter Harness Plug, Universal, UnitedBuilt AC4656

    $0.00 - $0.00
    $0.00
    $27.20
    $27.20 - $27.20
    $27.20
  • Adapter Harness, Kenworth, UnitedBuilt AC4657-A - UnitedBuilt Equipment
    Adapter Harness, Kenworth, UnitedBuilt AC4657-A - UnitedBuilt Equipment
    98 in stock

    Adapter Harness, Kenworth, UnitedBuilt AC4657-A

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $24.18
    $24.18 - $24.18
    $24.18

    Adapter Harness Plug, Kenworth, UnitedBuilt AC4657

    $0.00 - $0.00
    $0.00
    $24.18
    $24.18 - $24.18
    $24.18
  • Light Harness Kit, Rev 5/2019, UnitedBuilt HK4600 (LITEHARNESS19) - UnitedBuilt Equipment
    32 in stock

    Light Harness Kit, Rev 5/2019, UnitedBuilt HK4600 (LITEHARNESS19)

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $129.00
    $129.00 - $129.00
    $129.00

    Light Harness Kit, Rev 5/2019, UnitedBuilt HK4600 INCLUDES: (1) UnitedBuilt RA4610-A Light Harness, 6-Lamp Rearsill, Pig Tails (2) UnitedBuilt M...

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    $0.00 - $0.00
    $0.00
    $129.00
    $129.00 - $129.00
    $129.00
  • Grommet, Marker Light, Peterson B142-18 (LITE142-18) - UnitedBuilt Equipment
    Grommet, Marker Light, Peterson B142-18 (LITE142-18) - UnitedBuilt Equipment
    570 in stock

    Grommet, Marker Light, Peterson B142-18

    Peterson
    $0.00 - $0.00
    $0.00
    $1.35
    $1.35 - $1.35
    $1.35

    Grommet, Round, Open Back, 2.5″, Peterson B142-18 Made in USA. Allows 2 1/2″ diameter sealed units to be flush mounted. Fits 72, 142, 143, 162, 16...

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    $0.00 - $0.00
    $0.00
    $1.35
    $1.35 - $1.35
    $1.35
  • Pigtail Harness 138", ID Harness, Three Marker Lights, UnitedBuilt ID4613 (LITEID4613) - UnitedBuilt Equipment
    139 in stock

    Pigtail Harness 138", ID Harness, Three Marker Lights, UnitedBuilt ID4613

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $15.97
    $15.97 - $15.97
    $15.97

    Pigtail Harness 138", Three Marker Lights, UnitedBuilt ID4613 For (3) Peterson M163R Marker Lights, Red

    $0.00 - $0.00
    $0.00
    $15.97
    $15.97 - $15.97
    $15.97
  • Marker Light, Red, LED, Peterson M163R (LITEM163R) - UnitedBuilt Equipment
    Marker Light, Red, LED, Peterson M163R (LITEM163R) - UnitedBuilt Equipment
    269 in stock

    Marker Light, Red, LED, PL10, 12V, Peterson M163R

    Peterson
    $0.00 - $0.00
    $0.00
    $7.97
    $7.97 - $7.97
    $7.97

    LED Marker/Clearance Light, PC-Rated, Round, 2.5″, Red, Peterson M163R 5 diodes. Made in USA. Multivolt version available. PC Rated. Functions as ...

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    $0.00 - $0.00
    $0.00
    $7.97
    $7.97 - $7.97
    $7.97
  • Oval Stop/Tail/Turn Light, Red, LED, AMP, 6.5x2.25 12V, Peterson 820R - 22 - UnitedBuilt Equipment
    Oval Stop/Tail/Turn Light, Red, LED, AMP, 6.5x2.25 12V, Peterson 820R - 22 - UnitedBuilt Equipment
    36 in stock

    Oval Stop/Tail/Turn Light, Red, LED, AMP, 6.5x2.25 12V, Peterson 820R-22

    Peterson
    $0.00 - $0.00
    $0.00
    $24.50
    $24.50 - $24.50
    $24.50

    LED Stop/Turn/Tail, Oval, 6.5X2.25 12V, red

    $0.00 - $0.00
    $0.00
    $24.50
    $24.50 - $24.50
    $24.50
  • Adapter Plug 6", LED 3 - Wire, PL3 to AMP, Peterson 417 - 491 - UnitedBuilt Equipment
    0 in stock. Available on backorder

    Adapter Plug 6", LED 3-Wire, PL3 to AMP, Peterson 417-491

    Peterson
    $0.00 - $0.00
    $0.00
    $10.00
    $10.00 - $10.00
    $10.00

    Adapter Plug 6", LED 3-Wire, PL3 to AMP, Peterson 417-491

    $0.00 - $0.00
    $0.00
    $10.00
    $10.00 - $10.00
    $10.00
  • Pigtail Harness 36", Single Market Light, UnitedBuilt MK4611 (LITEMK4611) - UnitedBuilt Equipment
    421 in stock

    Pigtail Harness 36", Single Market Light, UnitedBuilt MK4611 (LITEMK4611)

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $5.49
    $5.49 - $5.49
    $5.49

    Pigtail Harness 36", Single Market Light, UnitedBuilt MK4611 For Peterson M163A Marker Lights, Amber or Peterson M163R Marker Lights, Red

    $0.00 - $0.00
    $0.00
    $5.49
    $5.49 - $5.49
    $5.49
  • Stop/Tail/Turn Light, Red, LED, Peterson M826R-7 - UnitedBuilt Equipment
    Stop/Tail/Turn Light, Red, LED, Peterson M826R-7 - UnitedBuilt Equipment
    87 in stock

    Stop/Tail/Turn Light, Red, LED, PL3, 12V, Peterson M826R-7

    Peterson
    $0.00 - $0.00
    $0.00
    $14.80
    $14.80 - $14.80
    $14.80

    LED Stop/Turn/Tail, Round, Grommet-Mount, 4″, Red, Peterson M826R-7 7 diodes. Available in retail-friendly Viz Pack. Lumenx® lens and circuitry. M...

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    $0.00 - $0.00
    $0.00
    $14.80
    $14.80 - $14.80
    $14.80
  • Oval Backup Light, White, LED, AMP, 6.5x2.25 12V, Peterson 820C - 7 - UnitedBuilt Equipment
    Oval Backup Light, White, LED, AMP, 6.5x2.25 12V, Peterson 820C - 7 - UnitedBuilt Equipment
    127 in stock

    Oval Backup Light, White, LED, AMP, 6.5x2.25 12V, Peterson 820C-7

    Peterson
    $0.00 - $0.00
    $0.00
    $15.00
    $15.00 - $15.00
    $15.00

    Oval Backup Light, White, LED, AMP, 6.5x2.25 12V, Peterson 820C-7

    $0.00 - $0.00
    $0.00
    $15.00
    $15.00 - $15.00
    $15.00
  • License Light, LED, White, Top Mount, Oval, Single Diode, 3" x 1.23", Peterson M290C - UnitedBuilt Equipment
    License Light, LED, White, Top Mount, Oval, Single Diode, 3" x 1.23", Peterson M290C - UnitedBuilt Equipment
    144 in stock

    License Light, LED, White, Top Mount, Oval, Single Diode, 3" x 1.23", Peterson M290C

    Peterson
    $0.00 - $0.00
    $0.00
    $9.50
    $9.50 - $9.50
    $9.50

    License Light, LED, White, Top Mount, Oval, Single Diode, 3" x 1.23", Peterson M290C

    $0.00 - $0.00
    $0.00
    $9.50
    $9.50 - $9.50
    $9.50
  • Pigtail Harness 90", Single Marker Light, UnitedBuilt MK4612 (LITEMK4612) - UnitedBuilt Equipment
    265 in stock

    Pigtail Harness 90", Single Marker Light, UnitedBuilt MK4612 (LITEMK4612)

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $8.84
    $8.84 - $8.84
    $8.84

    Pigtail Harness 90", Single Market Light, UnitedBuilt MK4612 For Peterson M163A Marker Lights, Amber or Peterson M163R Marker Lights, Red

    $0.00 - $0.00
    $0.00
    $8.84
    $8.84 - $8.84
    $8.84
  • Marker Light, Amber, LED, Peterson M163A (LITEM163A) - UnitedBuilt Equipment
    Marker Light, Amber, LED, Peterson M163A (LITEM163A) - UnitedBuilt Equipment
    102 in stock

    Marker / Clearance Light, Amber, LED, PL10, 12V, Peterson M163A

    Peterson
    $0.00 - $0.00
    $0.00
    $7.26
    $7.26 - $7.26
    $7.26

    LED Marker/Clearance Light, PC-Rated, Round, 2.5″, Amber, Peterson M163A 5 diodes. Made in USA. Multivolt version available. PC Rated. Functions a...

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    $0.00 - $0.00
    $0.00
    $7.26
    $7.26 - $7.26
    $7.26
  • Back-Up Light, LED, White, Clear Lens, Round, AMP, 4", 12 Volt, Peterson M817C-7 - UnitedBuilt Equipment
    Back-Up Light, LED, White, Clear Lens, Round, AMP, 4", 12 Volt, Peterson M817C-7 - UnitedBuilt Equipment
    112 in stock

    Back-Up Light, LED, White, Clear Lens, Round, AMP, 4", 12 Volt, Peterson M817C-7

    Peterson
    $0.00 - $0.00
    $0.00
    $18.00
    $18.00 - $18.00
    $18.00

    LED Back-Up Light, Round, AMP, Grommet-Mount, 4″, White, Peterson M817C-7 7 diodes. Defender harness & lighting system approved. Lumenx® lens ...

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    $0.00 - $0.00
    $0.00
    $18.00
    $18.00 - $18.00
    $18.00
  • Beacon Light, High Profile Amber Permanent Mount Beacon, Whelen L31HAF - UnitedBuilt Equipment
    Beacon Light, High Profile Amber Permanent Mount Beacon, Whelen L31HAF - UnitedBuilt Equipment
    Save 34% Save %
    7 in stock

    Beacon Light, Super-LED® Beacon, High Profile Amber, Permanent Mount, Whelen L31HAF

    Whelen
    $734.60
    $734.60 - $734.60
    $734.60
    $485.00
    $485.00 - $485.00
    $485.00

    The Whelen L31HAF L31 Series Super-LED® amber beacon light is a high-profile permanent flat mount warning beacon designed to provide powerful 360-d...

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    $734.60
    $734.60 - $734.60
    $734.60
    $485.00
    $485.00 - $485.00
    $485.00
    Save 34% Save %
  • Beacon Light, Super-LED® Beacon, High Dome, Permanent (Amber), Whelen L21HAP - UnitedBuilt Equipment
    Beacon Light, Super-LED® Beacon, High Dome, Permanent (Amber), Whelen L21HAP - UnitedBuilt Equipment
    Save 24% Save %
    4 in stock

    Beacon Light, Super-LED® Beacon, High Dome, Permanent (Amber), Whelen L21HAP

    Whelen
    $303.00
    $303.00 - $303.00
    $303.00
    $230.00
    $230.00 - $230.00
    $230.00

    The Whelen L21HAP L21 Series Super-LED® amber beacon light is a high-dome warning beacon designed to provide high-intensity 360-degree warning visi...

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    $303.00
    $303.00 - $303.00
    $303.00
    $230.00
    $230.00 - $230.00
    $230.00
    Save 24% Save %
  • Work Light, 3.25" x 4.75" Oval LED Flood Light, Swiveling Head Horizontal or Vertical, IP67, 12V/24V, 1900 Lumens, Rugged Die - Cast Aluminum Body, Peterson 919 - MV - UnitedBuilt Equipment
    Work Light, 3.25" x 4.75" Oval LED Flood Light, Swiveling Head Horizontal or Vertical, IP67, 12V/24V, 1900 Lumens, Rugged Die - Cast Aluminum Body, Peterson 919 - MV - UnitedBuilt Equipment
    58 in stock

    Work Light, 3.25" x 4.75" Oval LED Flood Light, Swiveling Head Horizontal or Vertical, IP67, 12V/24V, 1900 Lumens, Rugged Die-Cast Aluminum Body, Peterson 919-MV

    Peterson
    $0.00 - $0.00
    $0.00
    $51.75
    $51.75 - $51.75
    $51.75

    The Peterson 919-MV oval LED work light is a compact, high-output flood light for trucks, trailers, service equipment, and vocational vehicles. Its...

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    $0.00 - $0.00
    $0.00
    $51.75
    $51.75 - $51.75
    $51.75
  • Grommet Oval, 6.5x2.25, Peterson 421 - 18 - UnitedBuilt Equipment
    Grommet Oval, 6.5x2.25, Peterson 421 - 18 - UnitedBuilt Equipment
    379 in stock

    Grommet Oval, 6.5x2.25, Peterson 421-18

    Peterson
    $0.00 - $0.00
    $0.00
    $2.00
    $2.00 - $2.00
    $2.00

    Grommet Oval, 6.5x2.25, Peterson 421-18

    $0.00 - $0.00
    $0.00
    $2.00
    $2.00 - $2.00
    $2.00
  • Light Bar, 23" LED Amber Strobe, Amber Dome, Permanent Mount, Whelen Mini Century Series MC23PA - UnitedBuilt Equipment
    2 in stock

    Light Bar, 23" LED Amber Strobe, Amber Dome, Permanent Mount, Whelen Mini Century Series MC23PA

    Whelen
    $0.00 - $0.00
    $0.00
    $485.00
    $485.00 - $485.00
    $485.00

    The Whelen Mini Century™ MC23PA 23" amber LED strobe light bar is a compact permanent mount warning light bar for work trucks, water trucks, servic...

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    $0.00 - $0.00
    $0.00
    $485.00
    $485.00 - $485.00
    $485.00
  • Light Kit, DOT LED for Water Tanks - UnitedBuilt Equipment
    Light Kit, DOT LED for Water Tanks - UnitedBuilt Equipment
    21 in stock

    Light Kit, DOT LED for Water Tanks

    UnitedBuilt Choice
    $197.12 - $197.12
    $197.12
    $197.12
    $197.12 - $197.12
    $197.12

    This bundle includes a variety of high-quality, USA-made lighting products from Peterson. The kit contains the Peterson B142-18 Grommet, which allo...

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    $197.12 - $197.12
    $197.12
    $197.12
    $197.12 - $197.12
    $197.12
  • Pigtail, Stop Tail Turn Three-Wire Plug-In Pigtails for Male Pin Lights, 40/60 Series, Grote 67002-3 - UnitedBuilt Equipment
    Pigtail, Stop Tail Turn Three-Wire Plug-In Pigtails for Male Pin Lights, 40/60 Series, Grote 67002-3 - UnitedBuilt Equipment
    0 in stock. Available on backorder

    Pigtail, Stop Tail Turn Three-Wire Plug-In Pigtails for Male Pin Lights, 40/60 Series, Grote 67002-3

    UnitedBuilt
    $0.00 - $0.00
    $0.00
    $5.14
    $5.14 - $5.14
    $5.14

    $0.00 - $0.00
    $0.00
    $5.14
    $5.14 - $5.14
    $5.14
  • Grommet, Tail/Backup Light, Peterson B426-18 (LITEB426-18) - UnitedBuilt Equipment
    Grommet, Tail/Backup Light, Peterson B426-18 (LITEB426-18) - UnitedBuilt Equipment
    316 in stock

    Grommet, Tail/Backup Light, Peterson B426-18

    Peterson
    $0.00 - $0.00
    $0.00
    $1.75
    $1.75 - $1.75
    $1.75

    Grommet, PVC, 4″, Peterson B426-18 Made in USA. Black PVC grommet flush mounts 4″ diameter round lamps in 4 1/2″ hole. For use with 4″ round stop/...

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    $0.00 - $0.00
    $0.00
    $1.75
    $1.75 - $1.75
    $1.75