Red Off-Road Service Truck

Genuine OEM Off-Road Service & Field Maintenance Truck Parts

Keep your field service units fully operational in the most demanding environments with our collection of Genuine OEM Off-Road Service & Field Maintenance Truck Parts. Specially curated for mechanics’ trucks, mobile lube units, and field repair rigs, this warehouse surplus and overstock factory inventory provides the heavy-duty components necessary to withstand the severe chassis vibration and debris of off-highway work.

Heavy-Duty Systems Sourced for Field Infrastructure & Fleet Uptime:

  • Visibility & Safety Signaling: Premium Whelen Century Series 23" Amber LED mini light bars, Better-Viz 6" oval dual-color amber/green strobe lights, ultra-thin 4.5" surface-mount warning lights, and waterproof 120W work light pods.
  • Pneumatics & Chassis Performance: Genuine Bendix DV-2 automatic reservoir drain valves, R-6 relay valves, E-3 basic foot brake valves, and PACCAR 12V DC engine brake solenoid valves (MX-13).
  • Powertrain Sensors & Electrical infrastructure: Authentic Cummins fuel/intake pressure sensors (M11, ISM, N14), CAT C7 fuel injector wiring harnesses, Mack accelerator pedal position sensors, and Cummins ECM calibration bench test harnesses.
  • Climate Control & Mechanical Assemblies: Premium Sanden and Mack/Volvo HVAC air conditioning compressors, Volvo preset thermostat freeze switches, Delbar heavy-duty stainless steel twisted mirror bracket tube mounts, and durable zinc-plated trailer coupling safety pins.

Whether you are maintaining a Mack or Volvo vocational chassis or servicing a specialized Terex or Heil service body, choosing original equipment manufacturer (OEM) overstock parts ensures your "shop on wheels" maintains its safety standards and structural integrity. Secure dealership-quality components at significant warehouse-direct savings.

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Two LED warning lights, one green and one amber, on a white background.
Two LED warning lights, one green and one amber, on a white background.

Better Viz 6" Oval LED Amber/Green Strobe Light | Grommet Mount Warning Signal | 10-30V DC

Regular price $29.63
Sale price $29.63 Regular price $69.00
Unit price
Better-Viz BV-21UT Ultra-Thin LED Strobe Light - Amber/Green 4.5
Better-Viz BV-21UT Ultra-Thin LED Strobe Light - Amber/Green 4.5
Better-Viz 3-Pin PL-3 to Weather-Tite Light Adapter | No-Cut Pigtail
Better-Viz 3-Pin PL-3 to Weather-Tite Light Adapter | No-Cut Pigtail

Better-Viz 3-Pin Trailer Light Adapter - PL-3 to Weather-Tite Plug - No-Cut Pigtail

Regular price $9.50
Sale price $9.50 Regular price $19.97
Unit price
Yellow Whelen lightbar with packaging and documentation on a white background
Yellow Whelen lightbar with packaging and documentation on a white background

Whelen Century Series 23" Amber LED Mini Light Bar - Stud Mount, (12VDC (MC23SA)

Regular price $398.23
Sale price $398.23 Regular price $665.98
Unit price
Portable work light with adjustable stand and remote control on a white background
Portable work light with adjustable stand and remote control on a white background

360° Rotating Rechargeable LED Work Light - 3000LM Portable Magnetic Lamp

Regular price $34.95
Sale price $34.95 Regular price $59.39
Unit price
WABCO Tractor Protection Valve Manifold Style
WABCO Tractor Protection Valve Manifold Style

Genuine Meritor WABCO RKN34101 Tractor Protection Valve - No Core Charge (NOS)

Regular price $239.62
Sale price $239.62 Regular price $470.00
Unit price
Genuine Bendix 287114X R-8P Pressure Equalizing Relay Valve (No Core Charge) with OEM Label
Genuine Bendix 287114X R-8P Pressure Equalizing Relay Valve (No Core Charge) with OEM Label

Genuine Bendix 287114X R-8P Pressure Equalizing Relay Valve (No Core Charge)

Regular price $86.87
Sale price $86.87 Regular price $215.00
Unit price
TZ-401 Heavy Duty Back-up Alarm | 12V-24V Waterproof Reverse Siren
TZ-401 Heavy Duty Back-up Alarm | 12V-24V Waterproof Reverse Siren

TZ-401 Heavy Duty Back-up Alarm | 12V-24V Waterproof Reverse Siren

Regular price $19.34
Sale price $19.34 Regular price $34.95
Unit price
Genuine Cummins 4921493 Fuel/Intake Pressure Sensor NOS | Fits M11, ISM, QSM11, N14 With OEM Package
Genuine Cummins 4921493 Fuel/Intake Pressure Sensor NOS | Fits M11, ISM, QSM11, N14 With OEM Package

Genuine Cummins 4921493 Fuel/Intake Pressure Sensor NOS | Fits M11, ISM, QSM11, N14

Regular price $109.95
Sale price $109.95 Regular price $364.44
Unit price
Fafnir 207KDD Ball Bearing | 35mm x 72mm x 17mm | Double Shielded OEM New Old Stock
Fafnir 207KDD Ball Bearing | 35mm x 72mm x 17mm | Double Shielded OEM New Old Stock

Fafnir 207KDD Ball Bearing | 35mm x 72mm x 17mm | Double Shielded OEM New Old Stock

Regular price $19.96
Sale price $19.96 Regular price $32.99
Unit price
CAT C7 Fuel Injector Wiring Harness | Caterpillar 222-5917 | Fits 3126B, 3126E Engines
CAT C7 Fuel Injector Wiring Harness | Caterpillar 222-5917 | Fits 3126B, 3126E Engines

CAT C7 Fuel Injector Wiring Harness | Caterpillar 222-5917 | Fits 3126B, 3126E Engines

Regular price $42.63
Sale price $42.63 Regular price $95.00
Unit price
Mack Accelerator Pedal Position Sensor 699-5501 | Fits MRU (2010-2016) | Replaces 21915482, 82734051
Mack Accelerator Pedal Position Sensor 699-5501 | Fits MRU (2010-2016) | Replaces 21915482, 82734051

Mack Accelerator Pedal Position Sensor 699-5501 | Fits MRU (2010-2016) | Replaces 21915482, 82734051

Regular price $74.96
Sale price $74.96 Regular price $217.12
Unit price
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