Medium-Duty Truck Parts

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  Replacement Clear Lexan Lens Only - KD-529

  SKU: 39119-031

  Replacement clear Lexan lens only used for 529-1301 - 5-1/4" diameter lens

  $4.77$4.29

  Special 7 available
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  Caliper Bolt

  SKU: 10-897

  Caliper Bolt- 1-1/2"L - 9/16" hex head - 5/16"-18 thread

  $1.50

   
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  Red Lens Only for SS-1233-R - Truck-Lite

  SKU: SS-9077-R

  Red Lens Only for SS-1233-R

  $10.17$8.64

  Special 6 available
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  Yellow Lens Only for SS-1233-A

  SKU: SS-9077-A

  Yellow Lens Only for SS-1233-A.

  $10.73$9.12

  Special 2 available.
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  Gray Document Holder with Opaque Lid

  SKU: 97960

  Gray Document Holder with opaque lid

  $10.27$8.73

  Special 8 available
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  Replacement Cylinder and Key

  SKU: 8400-61

  Replacement cylinder and key for 8400-Z

  $7.82

   
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  Right Angle Marker / Clearance Plug - Truck-Lite

  SKU: 94964

  Right Angle Marker / Clearance plug

  $7.09$6.03

  Special 1 available
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  Multi Purpose High Speed Drill Bit - 5/16"

  SKU: 90-020

  Multi Purpose High Speed Drill Bit - 5/16"

  $4.58

   
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  2-1/2" Grommet Mount ( Open Back ) with 2-Wire Plug

  SKU: 10404

  2-1/2" Grommet Mount ( Open Back ) with 2 Wire Plug

  $4.17$3.54

  Special 3 available
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  Header Mount Base with 2-Wire Plug - Truck-Lite 15414

  SKU: 15414

  Header mount base with 2-wire plug

  $4.94$4.20

  Special 3 available
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  2" Grommet Mount with Plug - Truck-Lite

  SKU: 30401

  2" Grommet mount with plug

  $4.21$3.58

  Special 1 available
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  2" Round Red Sealed Marker Lamp

  SKU: 30200-RD

  2" Round Red Sealed Marker Lamp

  $3.18$2.70

  Special 8 available
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  Red Reflector Lens Only for 130-R

  SKU: 130-25-R

  Red Reflector Lens Only for 130-R

  $3.46$2.94

  Special Sale
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  Retaining Cap - T790151

  SKU: T-790151-9

  Retaining cap

  $2.66$2.26

  Special 6 available
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  Multi Purpose High Speed Drill Bit - 13/64"

  SKU: 90-013

  Multi Purpose High Speed Drill Bit - 13/64"

  $2.04

   
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  Miniature Automotive Bulb - Clear - 1" Diameter - Plastic Wedge Base

  SKU: B-3157

  Miniature Automotive Bulb - Clear - 1" Diameter - Plastic Wedge Base

  $2.00$1.70

  Special 1 available
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  Miniature Automotive Bulb - Clear

  SKU: B-1895

  Miniature Automotive Bulb - Clear - 9/16" Diameter - Round Base - Single Contact

  $0.69

   
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  Wired 3 Camera System with Night Vision - 7" Monitor - Rearview Fixed Angle Camera - 2 Side Blind Spot Cameras

  SKU: 14-826

  Wired 3 Camera System with Night Vision- 7" Monitor - Rearview Fixed Angle Camera - 2 Blind Spot Cameras

  $518.22

   
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  Locking Push-Button Rear Door Handle (Genuine Kason)

  SKU: K-168-H

  Rear Door Locking Handle with cylinder and keys. Has large mounting plate. Chrome finish. Push cylinder button to lock, key is not re... more

  $63.95

   
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  3-point Orange Seat Belt - Mounts to seat posts or bulkhead - 154"

  SKU: 73-160

  Orange 3-point seat belt with dual sensor spool for safety. The buckle uses an end button for convenience and quick release. This sea... more

  $104.95

   

Choose our medium-duty truck parts to keep your vehicle in great condition without breaking the bank. These parts are designed for trucks that tackle tough jobs, making them a go-to resource for fleet managers and individual operators alike.

From roll-up door parts and LED warning lights, to mirrors, brake parts and liftgate parts, our ever-expanding selection includes everything you need to keep your medium-duty trucks performing at their best. Whether you’re in need of box tuck parts or parts for your cab and chassis, Mill Supply is your trusted source for medium-duty truck parts.

Box trucks carry a lot of cargo, so you’ll need well-maintained parts to keep your box truck in great working order. Access our online store today and get the box truck parts you need delivered directly to your door.