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 5581925 - CONNECTION WATER OUTLET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5581925 - CONNECTION WATER OUTLET - Original OEM part

    CUMMINS

    $255.23
    $235.46
    ONAN 5581925 - CONNECTION WATER OUTLET. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $255.23
    $235.46
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $255.23
    $235.46
    Subtotal:
  • ONAN 5581729 - PUMP LUBRICATING OIL - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5581729 - PUMP LUBRICATING OIL - Original OEM part

    CUMMINS

    $487.92
    $450.11
    ONAN 5581729 - PUMP LUBRICATING OIL. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $487.92
    $450.11
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $487.92
    $450.11
    Subtotal:
  • ONAN 5581534 - SEAL VALVE STEM - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5581534 - SEAL VALVE STEM - Original OEM part

    CUMMINS

    $4.44
    $4.10
    ONAN 5581534 - SEAL VALVE STEM. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $4.44
    $4.10
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4.44
    $4.10
    Subtotal:
  • ONAN 5581431 - CLIP WIRE RETAINING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5581431 - CLIP WIRE RETAINING - Original OEM part

    CUMMINS

    $21.54
    $19.88
    ONAN 5581431 - CLIP WIRE RETAINING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $21.54
    $19.88
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $21.54
    $19.88
    Subtotal:
  • ONAN 5581374 - ENGINE TRANSFER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5581374 - ENGINE TRANSFER - Original OEM part

    CUMMINS

    $24,145.30
    $22,274.04
    ONAN 5581374 - ENGINE TRANSFER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $24,145.30
    $22,274.04
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $24,145.30
    $22,274.04
    Subtotal:
  • ONAN 5581372 - ENGINE TRANSFER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5581372 - ENGINE TRANSFER - Original OEM part

    CUMMINS

    $23,010.96
    $21,227.62
    ONAN 5581372 - ENGINE TRANSFER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $23,010.96
    $21,227.62
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $23,010.96
    $21,227.62
    Subtotal:
  • ONAN 5581339 - KIT MOUNTING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5581339 - KIT MOUNTING - Original OEM part

    CUMMINS

    $26,817.91
    $24,739.53
    ONAN 5581339 - KIT MOUNTING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $26,817.91
    $24,739.53
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $26,817.91
    $24,739.53
    Subtotal:
  • ONAN 5581149 - HEAD CYLINDER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5581149 - HEAD CYLINDER - Original OEM part

    CUMMINS

    $4,664.18
    $4,302.72
    ONAN 5581149 - HEAD CYLINDER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $4,664.18
    $4,302.72
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,664.18
    $4,302.72
    Subtotal:
  • ONAN 5581148 - HEAD CYLINDER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5581148 - HEAD CYLINDER - Original OEM part

    CUMMINS

    $4,752.51
    $4,384.20
    ONAN 5581148 - HEAD CYLINDER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $4,752.51
    $4,384.20
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,752.51
    $4,384.20
    Subtotal:
  • ONAN 5580861 - PULLEY ACCESSORY DRIVE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5580861 - PULLEY ACCESSORY DRIVE - Original OEM part

    CUMMINS

    $5,124.58
    $4,727.44
    ONAN 5580861 - PULLEY ACCESSORY DRIVE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $5,124.58
    $4,727.44
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5,124.58
    $4,727.44
    Subtotal:
  • ONAN 5580439 - SCREW FRACTURE RESISTANT - Original OEM part - Image 1
    Add to Cart

    ONAN 5580439 - SCREW FRACTURE RESISTANT - Original OEM part

    CUMMINS

    $80.58
    $74.35
    ONAN 5580439 - SCREW FRACTURE RESISTANT. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $80.58
    $74.35
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $80.58
    $74.35
    Subtotal:
  • ONAN 5580311 - HOSE FLEXIBLE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5580311 - HOSE FLEXIBLE - Original OEM part

    CUMMINS

    $213.83
    $197.27
    ONAN 5580311 - HOSE FLEXIBLE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $213.83
    $197.27
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $213.83
    $197.27
    Subtotal:
  • ONAN 5580157 - COVER LUB OIL COOLER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5580157 - COVER LUB OIL COOLER - Original OEM part

    CUMMINS

    $260.80
    $240.59
    ONAN 5580157 - COVER LUB OIL COOLER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $260.80
    $240.59
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $260.80
    $240.59
    Subtotal:
  • ONAN 5580104 - CAMSHAFT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5580104 - CAMSHAFT - Original OEM part

    CUMMINS

    $3,910.44
    $3,607.39
    ONAN 5580104 - CAMSHAFT. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $3,910.44
    $3,607.39
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $3,910.44
    $3,607.39
    Subtotal:
  • ONAN 5580036 - BELT V RIBBED - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5580036 - BELT V RIBBED - Original OEM part

    CUMMINS

    $174.22
    $160.72
    ONAN 5580036 - BELT V RIBBED. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $174.22
    $160.72
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $174.22
    $160.72
    Subtotal:
  • ONAN 5579317 - KIT GEAR COVER - Original OEM part - Image 1
    Add to Cart

    ONAN 5579317 - KIT GEAR COVER - Original OEM part

    CUMMINS

    $9,817.40
    $9,056.56
    ONAN 5579317 - KIT GEAR COVER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $9,817.40
    $9,056.56
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9,817.40
    $9,056.56
    Subtotal:
  • ONAN 5579123 - KIT OVS ENGINE PISTON - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5579123 - KIT OVS ENGINE PISTON - Original OEM part

    CUMMINS

    $386.88
    $356.91
    ONAN 5579123 - KIT OVS ENGINE PISTON. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $386.88
    $356.91
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $386.88
    $356.91
    Subtotal:
  • ONAN 5579104 - KIT OIL COOLER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5579104 - KIT OIL COOLER - Original OEM part

    CUMMINS

    $21,334.01
    $19,680.63
    ONAN 5579104 - KIT OIL COOLER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $21,334.01
    $19,680.63
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $21,334.01
    $19,680.63
    Subtotal:
  • ONAN 5579091 - KIT CYLINDER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5579091 - KIT CYLINDER - Original OEM part

    CUMMINS

    $2,511.74
    $2,317.09
    ONAN 5579091 - KIT CYLINDER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $2,511.74
    $2,317.09
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,511.74
    $2,317.09
    Subtotal:
  • ONAN 5579071 - KIT CYLINDER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5579071 - KIT CYLINDER - Original OEM part

    CUMMINS

    $2,327.08
    $2,146.74
    ONAN 5579071 - KIT CYLINDER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $2,327.08
    $2,146.74
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,327.08
    $2,146.74
    Subtotal:
  • ONAN 5578588 - HOSE FLEXIBLE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5578588 - HOSE FLEXIBLE - Original OEM part

    CUMMINS

    $1,152.54
    $1,063.23
    ONAN 5578588 - HOSE FLEXIBLE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $1,152.54
    $1,063.23
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,152.54
    $1,063.23
    Subtotal:
  • ONAN 5578540 - HOSE FLEXIBLE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5578540 - HOSE FLEXIBLE - Original OEM part

    CUMMINS

    $762.31
    $703.24
    ONAN 5578540 - HOSE FLEXIBLE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $762.31
    $703.24
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $762.31
    $703.24
    Subtotal:
  • ONAN 5578533 - HOSE FLEXIBLE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5578533 - HOSE FLEXIBLE - Original OEM part

    CUMMINS

    $997.43
    $920.14
    ONAN 5578533 - HOSE FLEXIBLE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $997.43
    $920.14
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $997.43
    $920.14
    Subtotal:
  • ONAN 5578473 - HOSE FLEXIBLE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5578473 - HOSE FLEXIBLE - Original OEM part

    CUMMINS

    $1,522.14
    $1,404.18
    ONAN 5578473 - HOSE FLEXIBLE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $1,522.14
    $1,404.18
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,522.14
    $1,404.18
    Subtotal:
  • ONAN 5578469 - HOSE FLEXIBLE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5578469 - HOSE FLEXIBLE - Original OEM part

    CUMMINS

    $1,518.88
    $1,401.18
    ONAN 5578469 - HOSE FLEXIBLE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $1,518.88
    $1,401.18
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,518.88
    $1,401.18
    Subtotal:
  • ONAN 5578240 - MANIFOLD FUEL - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5578240 - MANIFOLD FUEL - Original OEM part

    CUMMINS

    $1,516.36
    $1,398.85
    ONAN 5578240 - MANIFOLD FUEL. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $1,516.36
    $1,398.85
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,516.36
    $1,398.85
    Subtotal:
  • ONAN 5578231 - SCREW HEX FLANGE HEAD CAP - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5578231 - SCREW HEX FLANGE HEAD CAP - Original OEM part

    CUMMINS

    $195.71
    $180.55
    ONAN 5578231 - SCREW HEX FLANGE HEAD CAP. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $195.71
    $180.55
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $195.71
    $180.55
    Subtotal:
  • ONAN 5578209 - UNION MALE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5578209 - UNION MALE - Original OEM part

    CUMMINS

    $348.76
    $321.74
    ONAN 5578209 - UNION MALE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $348.76
    $321.74
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $348.76
    $321.74
    Subtotal:
  • ONAN 5578182 - TUBE LUB OIL TRANSFER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5578182 - TUBE LUB OIL TRANSFER - Original OEM part

    CUMMINS

    $345.38
    $318.63
    ONAN 5578182 - TUBE LUB OIL TRANSFER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $345.38
    $318.63
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $345.38
    $318.63
    Subtotal:
  • ONAN 5578147 - BRACKET AFTERTREATME - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5578147 - BRACKET AFTERTREATME - Original OEM part

    CUMMINS

    $7,860.12
    $7,250.97
    ONAN 5578147 - BRACKET AFTERTREATME. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $7,860.12
    $7,250.97
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7,860.12
    $7,250.97
    Subtotal:
  • ONAN 5578108 - PLUG THREADED - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5578108 - PLUG THREADED - Original OEM part

    CUMMINS

    $358.95
    $331.14
    ONAN 5578108 - PLUG THREADED. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $358.95
    $331.14
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $358.95
    $331.14
    Subtotal:
  • ONAN 5577989 - PLATE BASE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5577989 - PLATE BASE - Original OEM part

    CUMMINS

    $1,519.79
    $1,402.02
    ONAN 5577989 - PLATE BASE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $1,519.79
    $1,402.02
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,519.79
    $1,402.02
    Subtotal:
  • ONAN 5577984 - SPACER BEARING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5577984 - SPACER BEARING - Original OEM part

    CUMMINS

    $606.95
    $559.92
    ONAN 5577984 - SPACER BEARING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $606.95
    $559.92
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $606.95
    $559.92
    Subtotal:
  • ONAN 5577983 - WASHER SPRING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5577983 - WASHER SPRING - Original OEM part

    CUMMINS

    $339.93
    $313.59
    ONAN 5577983 - WASHER SPRING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $339.93
    $313.59
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $339.93
    $313.59
    Subtotal:
  • ONAN 5577886 - TUBE AIR TRANSFER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5577886 - TUBE AIR TRANSFER - Original OEM part

    CUMMINS

    $514.25
    $474.41
    ONAN 5577886 - TUBE AIR TRANSFER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $514.25
    $474.41
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $514.25
    $474.41
    Subtotal:
  • ONAN 5577836 - SHIM - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5577836 - SHIM - Original OEM part

    CUMMINS

    $93.43
    $86.20
    ONAN 5577836 - SHIM. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $93.43
    $86.20
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $93.43
    $86.20
    Subtotal:
  • ONAN 5576061 - CORE COOLER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5576061 - CORE COOLER - Original OEM part

    CUMMINS

    $124.96
    $115.29
    ONAN 5576061 - CORE COOLER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $124.96
    $115.29
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $124.96
    $115.29
    Subtotal:
  • ONAN 5575752 - HARNESS WIRING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5575752 - HARNESS WIRING - Original OEM part

    CUMMINS

    $327.55
    $302.17
    ONAN 5575752 - HARNESS WIRING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $327.55
    $302.17
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $327.55
    $302.17
    Subtotal:
  • ONAN 5575695 - TUBE SPARK PLUG ADAPTER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5575695 - TUBE SPARK PLUG ADAPTER - Original OEM part

    CUMMINS

    $46.57
    $42.97
    ONAN 5575695 - TUBE SPARK PLUG ADAPTER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $46.57
    $42.97
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $46.57
    $42.97
    Subtotal:
  • ONAN 5575645 - HOSE MOLDED - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5575645 - HOSE MOLDED - Original OEM part

    CUMMINS

    $77.65
    $71.64
    ONAN 5575645 - HOSE MOLDED. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $77.65
    $71.64
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $77.65
    $71.64
    Subtotal:
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