BB Overstock Genuine OEM Cummins Engine Parts & Components Collection Image

Genuine OEM Cummins Engine Parts & Components

Genuine OEM Cummins Engine Parts & Components

Keep your engine performing at its peak with our selection of genuine OEM Cummins parts. We carry an extensive inventory of authentic overstock components for Cummins ISX, X15, ISL, and B-Series engines, ensuring your powertrain maintains its factory-spec efficiency and horsepower.

Our collection features critical engine-end hardware, including pressure and temperature sensors, fuel injectors, EGR components, V-band clamps, and specialized mounting fasteners. By choosing "Cummins Genuine" overstock, you ensure total compatibility with your engine’s ECM and mechanical tolerances, preventing the premature failures and "check engine" lights common with aftermarket clones. Get the industry's most trusted engine parts at warehouse-direct pricing.

Filters

Online Exclusive

SALE UP TO 25% OFF

Shop The Sale
Cummins P/N | 4918802 ECM Calibration Bench Test Harness
Cummins P/N | 4918802 ECM Calibration Bench Test Harness

Cummins 4918802 ECM Calibration Bench Test Harness OEM New Surplus

Regular price $198.77
Sale price $198.77 Regular price $283.96
Unit price
Genuine Cummins 3085185 Temperature Sensor | OEM Engine Sensor

Genuine Cummins 3085185 Temperature Sensor | OEM Engine Sensor

Regular price $21.96
Sale price $21.96 Regular price $62.27
Unit price
3062154 OEM Genuine Cummins Corrosion Resistor Filter Head with OEM Package
3062154 OEM Genuine Cummins Corrosion Resistor Filter Head with OEM Package

3062154 OEM Genuine Cummins Corrosion Resistor Filter Head – New NOS Surplus

Regular price $345.62
Sale price $345.62 Regular price $429.00
Unit price
Genuine Cummins 3103015 Grommet Seal | ISX QSX Engine Part
Genuine Cummins 3103015 Grommet Seal | ISX QSX Engine Part

3103015 Genuine Cummins Heavy Duty Engine Grommet Seal

Regular price $4.95
Sale price $4.95 Regular price $9.00
Unit price
Genuine Cummins 3027924 Connection Gasket (L10, M11, ISM)
Genuine Cummins 3027924 Connection Gasket (L10, M11, ISM)

Genuine Cummins 3027924 Connection Gasket (L10, M11, ISM)

Regular price $0.80
Sale price $0.80 Regular price $3.09
Unit price
Genuine Cummins 5264570 Oil Drain Gasket | Turbocharger Return Seal | Fits ISX15, QSX15, ISM
Genuine Cummins 5264570 Oil Drain Gasket | Turbocharger Return Seal | Fits ISX15, QSX15, ISM

Genuine Cummins 5264570 Oil Drain Gasket | Turbocharger Return Seal | Fits ISX15, QSX15, ISM

Regular price $3.95
Sale price $3.95 Regular price $8.47
Unit price
Genuine Cummins 3687214 Grommet Seal | Fuel System Pass-Through Seal | Fits ISX12, ISX15, QSX15
Genuine Cummins 3687214 Grommet Seal | Fuel System Pass-Through Seal | Fits ISX12, ISX15, QSX15

Genuine Cummins 3687214 Grommet Seal | Fuel System Pass-Through Seal | Fits ISX12, ISX15, QSX15

Regular price $7.95
Sale price $7.95 Regular price $28.99
Unit price
Genuine Cummins Turbo-To-Manifold Gasket 3901356 | T3 Flange for 5.9L B-Series
Genuine Cummins Turbo-To-Manifold Gasket 3901356 | T3 Flange for 5.9L B-Series

Genuine Cummins Turbo-To-Manifold Gasket 3901356 | T3 Flange for 5.9L B-Series

Regular price $6.95
Sale price $6.95 Regular price $14.23
Unit price
Genuine Cummins 4954574 exhaust gas temperature sensor with 2-pin connector and M12 threads.
Genuine Cummins 4954574 exhaust gas temperature sensor with 2-pin connector and M12 threads.

Genuine Cummins 4954574 Exhaust Gas Temperature (EGT) Sensor | EPA07 2.8L ISF/QSF, ISM, M11

Regular price $79.98
Sale price $79.98 Regular price $216.56
Unit price
Cummins # 3694910; Replaces PAI 121163. Primarily for EPA17 12L ISX/QSX Engines
Cummins # 3694910; Replaces PAI 121163. Primarily for EPA17 12L ISX/QSX Engines

Genuine Cummins 3694910 O-Ring Seal | Fits ISX12, QSX12 (EPA17) Engines | OEM New

Regular price $6.29
Sale price $6.29 Regular price $19.99
Unit price
Genuine Cummins 3697435 Multi-Purpose O-Ring Seal | Fits X12, ISG11, ISG12
Genuine Cummins 3697435 Multi-Purpose O-Ring Seal | Fits X12, ISG11, ISG12

Genuine Cummins 3697435 Multi-Purpose O-Ring Seal | Fits X12, ISG11, ISG12 | OEM New Old Stock

Regular price $9.91
Sale price $9.91 Regular price $25.99
Unit price
Genuine Cummins 4985660 Rectangular Seal Ring | Fits ISX15, QSX15, X15 | OEM New Old Stock
Genuine Cummins 4985660 Rectangular Seal Ring | Fits ISX15, QSX15, X15 | OEM New Old Stock

Genuine Cummins 4985660 Rectangular Seal Ring | Fits ISX15, QSX15, X15 | OEM New Old Stock

Regular price $8.96
Sale price $8.96 Regular price $17.90
Unit price
1 2 3 7 »
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