BB Overstock Parts Genuine OEM PACCAR Parts & Components Collections Image

Genuine OEM PACCAR Parts & Components

Maintain the premium performance and legendary reliability of your Kenworth or Peterbilt rig with our selection of Genuine OEM PACCAR Parts & Components. We stock an extensive inventory of authentic factory-original overstock and surplus components, allowing you to bypass steep dealership markups while keeping your heavy-duty vehicles built to exact factory specifications.

Engineered for Maximum Reliability & Vocational Uptime:

  • Engine Power & Components: Premium PACCAR MX-11 and MX-13 rubber oil sump separator seals, direct-fit O-ring coolant connection seals, and genuine 4" V-band exhaust clamps.
  • Electrical Systems & Controls: Authentic Paccar in-dash rocker switches, precise regenerative (Re-Gen) toggle controls, and multi-pin wiring harnesses.
  • Chassis & Suspension Hardware: Heavy-duty front spring axle-shackles, high-tolerance door jamb nut plates, and rugged spring-eye replacement U-bolts.

By choosing factory-original PACCAR Genuine parts, you guarantee every replacement component honors the exact metallurgical, dimensional, and electrical standards of your commercial truck. Secure your fleet's long-term durability with warehouse-direct pricing.

Filters

Online Exclusive

SALE UP TO 25% OFF

Shop The Sale
Availability
Price
From $
To
To $
742 Signal-Stat Truck-Lite Triple all Metal Fusee Holder NOS

742 Signal-Stat Truck-Lite Triple all Metal Fusee Holder NOS

Regular price $12.86
Sale price $12.86 Regular price $0.00
Unit price
6222133-001 | Bostrom Seating KIT-ISOL SPRING

6222133-001 | Bostrom Seating KIT-ISOL SPRING

Regular price $39.96
Sale price $39.96 Regular price $0.00
Unit price
60275Y | Truck-Lite Model 60 (6" Oval) LED Turn Signal Lamp- Amber- 26 Diod

60275Y | Truck-Lite Model 60 (6" Oval) LED Turn Signal Lamp- Amber- 26 Diod

Regular price $49.67
Sale price $49.67 Regular price $0.00
Unit price
5683521 Genuine Cummins Onan Serp Belt-Tensioner Pulley Old 3973819

5683521 Genuine Cummins Onan Serp Belt-Tensioner Pulley Old 3973819

Regular price $178.23
Sale price $178.23 Regular price $0.00
Unit price
54X10-F Brass (10)-5/8 45SAE Flare to 1/2 NPT 45 Degree Flare Elbow

54X10-F Brass (10)-5/8 45SAE Flare to 1/2 NPT 45 Degree Flare Elbow

Regular price $14.58
Sale price $14.58 Regular price $0.00
Unit price
Complex automotive wiring harness on a white background
Complex automotive wiring harness on a white background

Genuine Cummins 5475059 ECM Wiring Harness | QSM11, ISM, ISM11, M11 Engines | OEM New

Regular price $2,145.05
Sale price $2,145.05 Regular price $3,180.49
Unit price
5270051 Genuine Cummins Water Transfer Tube

5270051 Genuine Cummins Water Transfer Tube

Regular price $87.67
Sale price $87.67 Regular price $0.00
Unit price
5261563 Genuine Cummins Flexible Hose for ISB/QSB engines

5261563 Genuine Cummins Flexible Hose for ISB/QSB engines

Regular price $52.26
Sale price $52.26 Regular price $0.00
Unit price
5047-00936-04 | Kysor Low Oil Pressure High Engine Temperature Control Modu

5047-00936-04 | Kysor Low Oil Pressure High Engine Temperature Control Modu

Regular price $236.53
Sale price $236.53 Regular price $0.00
Unit price
5006-50127-01 | Kysor/Cadilac Audible Alarm 9-32 VDC 3945136

5006-50127-01 | Kysor/Cadilac Audible Alarm 9-32 VDC 3945136

Regular price $78.68
Sale price $78.68 Regular price $0.00
Unit price
49X5X4 - 5/16 X 1/4 SAE45* Brass Flare Elbow

49X5X4 - 5/16 X 1/4 SAE45* Brass Flare Elbow

Regular price $8.39
Sale price $8.39 Regular price $0.00
Unit price
4921501 | Genuine OEM Cummins Turbo Boost Pressure Sensor N14 ISM ISX L10

4921501 | Genuine OEM Cummins Turbo Boost Pressure Sensor N14 ISM ISX L10

Regular price $24.78
Sale price $24.78 Regular price $0.00
Unit price
« 1 2 3 4 5 »
Sort by
  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old