New Parts

New Parts

New Parts for Onan, Cummins, and Fleetguard Diesel Engines

Upgrade and maintain your diesel engines with our extensive selection of genuine new parts. Crafted to meet the highest standards, these replacement components ensure optimal engine performance and durability for Onan, Cummins, and Fleetguard power engines.

New Genuine Parts - Reliable, Durable, and Engineered for Excellence

Our collection features a wide range of authentic new parts including filters, seals, gaskets, and fuel system components tailored specifically for diesel engines. Each part undergoes strict quality control to guarantee compatibility and longevity.

  • Authentic Replacement: Genuine parts for Onan, Cummins, and Fleetguard engines to maintain factory specifications.
  • Engineered Reliability: Designed to withstand rigorous operating conditions and extend engine life.
  • Wide Selection: Comprehensive inventory ensuring easy find and fit for your diesel engine needs.

Enhance your diesel engine’s performance with trusted new parts that deliver precision and reliability.

Why Choose Our New Parts?

We offer genuine, expertly sourced parts with unmatched quality and support, ensuring your diesel engines run efficiently and reliably every time.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • ONAN 4395022 - FILTER COMPRESSED AIR - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4395022 - FILTER COMPRESSED AIR - Original OEM part

    CUMMINS

    $7.17
    $6.63
    ONAN 4395022 - FILTER COMPRESSED AIR. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $7.17
    $6.63
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7.17
    $6.63
    Subtotal:
  • ONAN 4394739 - CONNECTOR QCK DISCONNECT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4394739 - CONNECTOR QCK DISCONNECT - Original OEM part

    CUMMINS

    $4.27
    $3.95
    ONAN 4394739 - CONNECTOR QCK DISCONNECT. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $4.27
    $3.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4.27
    $3.95
    Subtotal:
  • ONAN 4394447 - SCREW HEX FLANGE HEAD CAP - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4394447 - SCREW HEX FLANGE HEAD CAP - Original OEM part

    CUMMINS

    $22.35
    $20.63
    ONAN 4394447 - SCREW HEX FLANGE HEAD CAP. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $22.35
    $20.63
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $22.35
    $20.63
    Subtotal:
  • ONAN 4394309 - MODULE INLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4394309 - MODULE INLET CATALYST - Original OEM part

    CUMMINS

    $2,430.74
    $2,242.37
    ONAN 4394309 - MODULE INLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $2,430.74
    $2,242.37
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,430.74
    $2,242.37
    Subtotal:
  • ONAN 4394207 - DEVICE AFTERTREATMENT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4394207 - DEVICE AFTERTREATMENT - Original OEM part

    CUMMINS

    $4,728.20
    $4,361.77
    ONAN 4394207 - DEVICE AFTERTREATMENT. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $4,728.20
    $4,361.77
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,728.20
    $4,361.77
    Subtotal:
  • ONAN 4394139 - CLAMP T BOLT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4394139 - CLAMP T BOLT - Original OEM part

    CUMMINS

    $86.08
    $79.42
    ONAN 4394139 - CLAMP T BOLT. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $86.08
    $79.42
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $86.08
    $79.42
    Subtotal:
  • ONAN 4393950 - TUBE AIR - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4393950 - TUBE AIR - Original OEM part

    CUMMINS

    $231.42
    $213.49
    ONAN 4393950 - TUBE AIR. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $231.42
    $213.49
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $231.42
    $213.49
    Subtotal:
  • ONAN 4393759 - SEAL O RING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4393759 - SEAL O RING - Original OEM part

    CUMMINS

    $3.23
    $2.99
    ONAN 4393759 - SEAL O RING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $3.23
    $2.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $3.23
    $2.99
    Subtotal:
  • ONAN 4393393 - REGULATOR FUEL PRESSURE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4393393 - REGULATOR FUEL PRESSURE - Original OEM part

    CUMMINS

    $4,488.68
    $4,140.82
    ONAN 4393393 - REGULATOR FUEL PRESSURE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $4,488.68
    $4,140.82
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,488.68
    $4,140.82
    Subtotal:
  • ONAN 4390559 - TUBE BREATHER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4390559 - TUBE BREATHER - Original OEM part

    CUMMINS

    $2,926.71
    $2,699.90
    ONAN 4390559 - TUBE BREATHER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $2,926.71
    $2,699.90
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,926.71
    $2,699.90
    Subtotal:
  • ONAN 4390527 - TUBE BREATHER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4390527 - TUBE BREATHER - Original OEM part

    CUMMINS

    $1,793.60
    $1,654.60
    ONAN 4390527 - TUBE BREATHER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $1,793.60
    $1,654.60
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,793.60
    $1,654.60
    Subtotal:
  • ONAN 4389340 - PIN PISTON - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4389340 - PIN PISTON - Original OEM part

    CUMMINS

    $132.60
    $122.33
    ONAN 4389340 - PIN PISTON. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $132.60
    $122.33
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $132.60
    $122.33
    Subtotal:
  • ONAN 4389314 - BUSHING CAMSHAFT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4389314 - BUSHING CAMSHAFT - Original OEM part

    CUMMINS

    $5.70
    $5.26
    ONAN 4389314 - BUSHING CAMSHAFT. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $5.70
    $5.26
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5.70
    $5.26
    Subtotal:
  • ONAN 4389313 - BUSHING CAMSHAFT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4389313 - BUSHING CAMSHAFT - Original OEM part

    CUMMINS

    $5.49
    $5.08
    ONAN 4389313 - BUSHING CAMSHAFT. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $5.49
    $5.08
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5.49
    $5.08
    Subtotal:
  • ONAN 4388518 - DEVICE AFTERTREATME - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4388518 - DEVICE AFTERTREATME - Original OEM part

    CUMMINS

    $7,889.72
    $7,278.27
    ONAN 4388518 - DEVICE AFTERTREATME. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $7,889.72
    $7,278.27
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7,889.72
    $7,278.27
    Subtotal:
  • ONAN 4387670 - DEVICE AFTERTREATME - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4387670 - DEVICE AFTERTREATME - Original OEM part

    CUMMINS

    $9,028.83
    $8,329.10
    ONAN 4387670 - DEVICE AFTERTREATME. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $9,028.83
    $8,329.10
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9,028.83
    $8,329.10
    Subtotal:
  • ONAN 4387503 - DEVICE AFTERTREATME - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4387503 - DEVICE AFTERTREATME - Original OEM part

    CUMMINS

    $11,757.54
    $10,846.34
    ONAN 4387503 - DEVICE AFTERTREATME. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $11,757.54
    $10,846.34
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $11,757.54
    $10,846.34
    Subtotal:
  • ONAN 4387465 - DEVICE AFTERTREATME - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4387465 - DEVICE AFTERTREATME - Original OEM part

    CUMMINS

    $5,185.57
    $4,783.70
    ONAN 4387465 - DEVICE AFTERTREATME. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $5,185.57
    $4,783.70
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5,185.57
    $4,783.70
    Subtotal:
  • ONAN 4384360 - INJECTOR - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4384360 - INJECTOR - Original OEM part

    CUMMINS

    $7,801.15
    $7,196.57
    ONAN 4384360 - INJECTOR. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $7,801.15
    $7,196.57
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7,801.15
    $7,196.57
    Subtotal:
  • ONAN 4382828 - CONNECTION ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4382828 - CONNECTION ADAPTER - Original OEM part

    CUMMINS

    $2,925.76
    $2,699.02
    ONAN 4382828 - CONNECTION ADAPTER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $2,925.76
    $2,699.02
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,925.76
    $2,699.02
    Subtotal:
  • ONAN 4382282 - BRACKET RETAINING BRACE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4382282 - BRACKET RETAINING BRACE - Original OEM part

    CUMMINS

    $592.68
    $546.76
    ONAN 4382282 - BRACKET RETAINING BRACE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $592.68
    $546.76
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $592.68
    $546.76
    Subtotal:
  • ONAN 4382279 - TUBE WATER TRANSFER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4382279 - TUBE WATER TRANSFER - Original OEM part

    CUMMINS

    $121.49
    $112.09
    ONAN 4382279 - TUBE WATER TRANSFER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $121.49
    $112.09
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $121.49
    $112.09
    Subtotal:
  • ONAN 4382256 - BRACE TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4382256 - BRACE TUBE - Original OEM part

    CUMMINS

    $54.80
    $50.56
    ONAN 4382256 - BRACE TUBE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $54.80
    $50.56
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $54.80
    $50.56
    Subtotal:
  • ONAN 4381992 - HEAD LUB OIL FILTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4381992 - HEAD LUB OIL FILTER - Original OEM part

    CUMMINS

    $5,685.01
    $5,244.43
    ONAN 4381992 - HEAD LUB OIL FILTER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $5,685.01
    $5,244.43
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5,685.01
    $5,244.43
    Subtotal:
  • ONAN 4381886 - BRACKET RETAINING BRACE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4381886 - BRACKET RETAINING BRACE - Original OEM part

    CUMMINS

    $31.14
    $28.74
    ONAN 4381886 - BRACKET RETAINING BRACE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $31.14
    $28.74
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $31.14
    $28.74
    Subtotal:
  • ONAN 4380378 - HOUSING FLYWHEEL - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4380378 - HOUSING FLYWHEEL - Original OEM part

    CUMMINS

    $14,738.89
    $13,596.64
    ONAN 4380378 - HOUSING FLYWHEEL. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $14,738.89
    $13,596.64
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14,738.89
    $13,596.64
    Subtotal:
  • ONAN 4380060 - SUPPORT AIR COMPRESSOR - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4380060 - SUPPORT AIR COMPRESSOR - Original OEM part

    CUMMINS

    $3,938.93
    $3,633.67
    ONAN 4380060 - SUPPORT AIR COMPRESSOR. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $3,938.93
    $3,633.67
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $3,938.93
    $3,633.67
    Subtotal:
  • ONAN 4379719 - CONNECTION EXH TRANSFER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4379719 - CONNECTION EXH TRANSFER - Original OEM part

    CUMMINS

    $6,139.59
    $5,663.79
    ONAN 4379719 - CONNECTION EXH TRANSFER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $6,139.59
    $5,663.79
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $6,139.59
    $5,663.79
    Subtotal:
  • ONAN 4379692 - HOSE FLEXIBLE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4379692 - HOSE FLEXIBLE - Original OEM part

    CUMMINS

    $1,439.49
    $1,327.94
    ONAN 4379692 - HOSE FLEXIBLE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $1,439.49
    $1,327.94
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,439.49
    $1,327.94
    Subtotal:
  • ONAN 4377804 - DEVICE AFTERTREATME - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4377804 - DEVICE AFTERTREATME - Original OEM part

    CUMMINS

    $9,464.69
    $8,731.19
    ONAN 4377804 - DEVICE AFTERTREATME. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $9,464.69
    $8,731.19
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9,464.69
    $8,731.19
    Subtotal:
  • ONAN 4377795 - DEVICE AFTERTREATME - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4377795 - DEVICE AFTERTREATME - Original OEM part

    CUMMINS

    $15,933.83
    $14,698.97
    ONAN 4377795 - DEVICE AFTERTREATME. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $15,933.83
    $14,698.97
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $15,933.83
    $14,698.97
    Subtotal:
  • ONAN 4377785 - DEVICE AFTERTREATME - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4377785 - DEVICE AFTERTREATME - Original OEM part

    CUMMINS

    $15,933.83
    $14,698.97
    ONAN 4377785 - DEVICE AFTERTREATME. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $15,933.83
    $14,698.97
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $15,933.83
    $14,698.97
    Subtotal:
  • ONAN 4377780 - DEVICE AFTERTREATMENT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4377780 - DEVICE AFTERTREATMENT - Original OEM part

    CUMMINS

    $19,215.85
    $17,726.63
    ONAN 4377780 - DEVICE AFTERTREATMENT. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $19,215.85
    $17,726.63
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $19,215.85
    $17,726.63
    Subtotal:
  • ONAN 4377581 - CAP FILLER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4377581 - CAP FILLER - Original OEM part

    CUMMINS

    $26.97
    $24.89
    ONAN 4377581 - CAP FILLER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $26.97
    $24.89
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $26.97
    $24.89
    Subtotal:
  • ONAN 4377125 - DEVICE AFTERTREATME - Original OEM part - Image 1
    Add to Cart

    ONAN 4377125 - DEVICE AFTERTREATME - Original OEM part

    ONAN

    $10,962.06
    $10,112.51
    ONAN 4377125 - DEVICE AFTERTREATME. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $10,962.06
    $10,112.51
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $10,962.06
    $10,112.51
    Subtotal:
  • ONAN 4376472 - KIT LINER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4376472 - KIT LINER - Original OEM part

    CUMMINS

    $964.70
    $889.94
    ONAN 4376472 - KIT LINER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $964.70
    $889.94
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $964.70
    $889.94
    Subtotal:
  • ONAN 4376450 - KIT SERVICE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4376450 - KIT SERVICE - Original OEM part

    CUMMINS

    $6,294.50
    $5,806.68
    ONAN 4376450 - KIT SERVICE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $6,294.50
    $5,806.68
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $6,294.50
    $5,806.68
    Subtotal:
  • ONAN 4376272 - KIT TUBE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4376272 - KIT TUBE - Original OEM part

    CUMMINS

    $2,220.62
    $2,048.53
    ONAN 4376272 - KIT TUBE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $2,220.62
    $2,048.53
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,220.62
    $2,048.53
    Subtotal:
  • ONAN 4372871 - HOSE MOLDED - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4372871 - HOSE MOLDED - Original OEM part

    CUMMINS

    $107.80
    $99.45
    ONAN 4372871 - HOSE MOLDED. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $107.80
    $99.45
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $107.80
    $99.45
    Subtotal:
  • ONAN 4371896 - CONNECTION EXHAUST OUTLET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4371896 - CONNECTION EXHAUST OUTLET - Original OEM part

    CUMMINS

    $2,435.44
    $2,246.70
    ONAN 4371896 - CONNECTION EXHAUST OUTLET. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $2,435.44
    $2,246.70
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,435.44
    $2,246.70
    Subtotal:
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