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 5516410 - HARNESS WIRING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5516410 - HARNESS WIRING - Original OEM part

    CUMMINS

    $358.10
    $330.35
    ONAN 5516410 - HARNESS WIRING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $358.10
    $330.35
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $358.10
    $330.35
    Subtotal:
  • ONAN 5516396 - TUBE PRESSURE SENSING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5516396 - TUBE PRESSURE SENSING - Original OEM part

    CUMMINS

    $250.81
    $231.38
    ONAN 5516396 - TUBE PRESSURE SENSING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $250.81
    $231.38
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $250.81
    $231.38
    Subtotal:
  • ONAN 5516026 - TUBE PRESSURE SENSING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5516026 - TUBE PRESSURE SENSING - Original OEM part

    CUMMINS

    $72.26
    $66.67
    ONAN 5516026 - TUBE PRESSURE SENSING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $72.26
    $66.67
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $72.26
    $66.67
    Subtotal:
  • ONAN 5516025 - TUBE PRESSURE SENSING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5516025 - TUBE PRESSURE SENSING - Original OEM part

    CUMMINS

    $66.68
    $61.53
    ONAN 5516025 - TUBE PRESSURE SENSING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $66.68
    $61.53
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $66.68
    $61.53
    Subtotal:
  • ONAN 5515992 - REACTOR DECOMPOSITIO - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5515992 - REACTOR DECOMPOSITIO - Original OEM part

    CUMMINS

    $2,982.36
    $2,751.24
    ONAN 5515992 - REACTOR DECOMPOSITIO. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $2,982.36
    $2,751.24
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,982.36
    $2,751.24
    Subtotal:
  • ONAN 5515990 - REACTOR DECOMPOSITIO - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5515990 - REACTOR DECOMPOSITIO - Original OEM part

    CUMMINS

    $2,952.84
    $2,724.00
    ONAN 5515990 - REACTOR DECOMPOSITIO. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $2,952.84
    $2,724.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,952.84
    $2,724.00
    Subtotal:
  • ONAN 5515865 - MODULE OUTLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5515865 - MODULE OUTLET CATALYST - Original OEM part

    CUMMINS

    $7,320.36
    $6,753.04
    ONAN 5515865 - MODULE OUTLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $7,320.36
    $6,753.04
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7,320.36
    $6,753.04
    Subtotal:
  • ONAN 5515855 - MODULE INLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5515855 - MODULE INLET CATALYST - Original OEM part

    CUMMINS

    $6,466.32
    $5,965.19
    ONAN 5515855 - MODULE INLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $6,466.32
    $5,965.19
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $6,466.32
    $5,965.19
    Subtotal:
  • ONAN 5515845 - MODULE OUTLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5515845 - MODULE OUTLET CATALYST - Original OEM part

    CUMMINS

    $7,320.36
    $6,753.04
    ONAN 5515845 - MODULE OUTLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $7,320.36
    $6,753.04
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7,320.36
    $6,753.04
    Subtotal:
  • ONAN 5515843 - MODULE OUTLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5515843 - MODULE OUTLET CATALYST - Original OEM part

    CUMMINS

    $7,320.36
    $6,753.04
    ONAN 5515843 - MODULE OUTLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $7,320.36
    $6,753.04
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7,320.36
    $6,753.04
    Subtotal:
  • ONAN 5515764 - BRACKET SENSOR - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5515764 - BRACKET SENSOR - Original OEM part

    CUMMINS

    $230.63
    $212.76
    ONAN 5515764 - BRACKET SENSOR. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $230.63
    $212.76
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $230.63
    $212.76
    Subtotal:
  • ONAN 5515763 - BRACKET SENSOR - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5515763 - BRACKET SENSOR - Original OEM part

    CUMMINS

    $146.44
    $135.10
    ONAN 5515763 - BRACKET SENSOR. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $146.44
    $135.10
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $146.44
    $135.10
    Subtotal:
  • ONAN 5515645 - SCREW HIGH TEMPERATURE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5515645 - SCREW HIGH TEMPERATURE - Original OEM part

    CUMMINS

    $17.30
    $15.96
    ONAN 5515645 - SCREW HIGH TEMPERATURE. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $17.30
    $15.96
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $17.30
    $15.96
    Subtotal:
  • ONAN 5515595 - MODULE INLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5515595 - MODULE INLET CATALYST - Original OEM part

    CUMMINS

    $6,711.49
    $6,191.36
    ONAN 5515595 - MODULE INLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $6,711.49
    $6,191.36
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $6,711.49
    $6,191.36
    Subtotal:
  • ONAN 5515545 - MODULE OUTLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5515545 - MODULE OUTLET CATALYST - Original OEM part

    CUMMINS

    $8,451.50
    $7,796.51
    ONAN 5515545 - MODULE OUTLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $8,451.50
    $7,796.51
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $8,451.50
    $7,796.51
    Subtotal:
  • ONAN 5515384 - CLIP WIRE RETAINING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5515384 - CLIP WIRE RETAINING - Original OEM part

    CUMMINS

    $4.19
    $3.88
    ONAN 5515384 - CLIP WIRE RETAINING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $4.19
    $3.88
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4.19
    $3.88
    Subtotal:
  • ONAN 5515177 - TUBE PRESSURE SENSING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5515177 - TUBE PRESSURE SENSING - Original OEM part

    CUMMINS

    $68.03
    $62.77
    ONAN 5515177 - TUBE PRESSURE SENSING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $68.03
    $62.77
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $68.03
    $62.77
    Subtotal:
  • ONAN 5515176 - TUBE PRESSURE SENSING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5515176 - TUBE PRESSURE SENSING - Original OEM part

    CUMMINS

    $66.02
    $60.91
    ONAN 5515176 - TUBE PRESSURE SENSING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $66.02
    $60.91
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $66.02
    $60.91
    Subtotal:
  • ONAN 5515113 - HARNESS WIRING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5515113 - HARNESS WIRING - Original OEM part

    CUMMINS

    $278.76
    $257.17
    ONAN 5515113 - HARNESS WIRING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $278.76
    $257.17
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $278.76
    $257.17
    Subtotal:
  • ONAN 5515028 - MODULE OUTLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5515028 - MODULE OUTLET CATALYST - Original OEM part

    CUMMINS

    $14,234.03
    $13,130.90
    ONAN 5515028 - MODULE OUTLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $14,234.03
    $13,130.90
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14,234.03
    $13,130.90
    Subtotal:
  • ONAN 5514829 - TUBE PRESSURE SENSING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5514829 - TUBE PRESSURE SENSING - Original OEM part

    CUMMINS

    $65.03
    $60.00
    ONAN 5514829 - TUBE PRESSURE SENSING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $65.03
    $60.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $65.03
    $60.00
    Subtotal:
  • ONAN 5514828 - TUBE PRESSURE SENSING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5514828 - TUBE PRESSURE SENSING - Original OEM part

    CUMMINS

    $80.98
    $74.72
    ONAN 5514828 - TUBE PRESSURE SENSING. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $80.98
    $74.72
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $80.98
    $74.72
    Subtotal:
  • ONAN 5514663 - MODULE INLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5514663 - MODULE INLET CATALYST - Original OEM part

    CUMMINS

    $12,349.72
    $11,392.62
    ONAN 5514663 - MODULE INLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $12,349.72
    $11,392.62
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $12,349.72
    $11,392.62
    Subtotal:
  • ONAN 5514661 - MODULE INLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5514661 - MODULE INLET CATALYST - Original OEM part

    CUMMINS

    $12,349.72
    $11,392.62
    ONAN 5514661 - MODULE INLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $12,349.72
    $11,392.62
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $12,349.72
    $11,392.62
    Subtotal:
  • ONAN 5514422 - BRACKET WIRING RETAINER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5514422 - BRACKET WIRING RETAINER - Original OEM part

    CUMMINS

    $25.56
    $23.59
    ONAN 5514422 - BRACKET WIRING RETAINER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $25.56
    $23.59
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $25.56
    $23.59
    Subtotal:
  • ONAN 5514320 - MODULE INLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5514320 - MODULE INLET CATALYST - Original OEM part

    CUMMINS

    $12,349.72
    $11,392.62
    ONAN 5514320 - MODULE INLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $12,349.72
    $11,392.62
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $12,349.72
    $11,392.62
    Subtotal:
  • ONAN 5514080 - SHIELD HEAT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5514080 - SHIELD HEAT - Original OEM part

    CUMMINS

    $1,496.76
    $1,380.77
    ONAN 5514080 - SHIELD HEAT. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $1,496.76
    $1,380.77
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,496.76
    $1,380.77
    Subtotal:
  • ONAN 5513540 - MODULE OUTLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5513540 - MODULE OUTLET CATALYST - Original OEM part

    CUMMINS

    $14,234.03
    $13,130.90
    ONAN 5513540 - MODULE OUTLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $14,234.03
    $13,130.90
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14,234.03
    $13,130.90
    Subtotal:
  • ONAN 5513105 - MODULE OUTLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5513105 - MODULE OUTLET CATALYST - Original OEM part

    CUMMINS

    $9,218.23
    $8,503.83
    ONAN 5513105 - MODULE OUTLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $9,218.23
    $8,503.83
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9,218.23
    $8,503.83
    Subtotal:
  • ONAN 5512433 - CLAMP V BAND - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5512433 - CLAMP V BAND - Original OEM part

    CUMMINS

    $49.67
    $45.83
    ONAN 5512433 - CLAMP V BAND. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $49.67
    $45.83
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $49.67
    $45.83
    Subtotal:
  • ONAN 5512265 - INJECTOR DOSER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5512265 - INJECTOR DOSER - Original OEM part

    CUMMINS

    $1,200.65
    $1,107.61
    ONAN 5512265 - INJECTOR DOSER. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $1,200.65
    $1,107.61
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,200.65
    $1,107.61
    Subtotal:
  • ONAN 5511832 - MODULE OUTLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5511832 - MODULE OUTLET CATALYST - Original OEM part

    CUMMINS

    $14,093.10
    $13,000.89
    ONAN 5511832 - MODULE OUTLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $14,093.10
    $13,000.89
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14,093.10
    $13,000.89
    Subtotal:
  • ONAN 5511752 - CONNECTOR QCK DISCONNECT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5511752 - CONNECTOR QCK DISCONNECT - Original OEM part

    CUMMINS

    $40.74
    $37.59
    ONAN 5511752 - CONNECTOR QCK DISCONNECT. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $40.74
    $37.59
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $40.74
    $37.59
    Subtotal:
  • ONAN 5511749 - MODULE DOSER FLUID SUPPLY - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5511749 - MODULE DOSER FLUID SUPPLY - Original OEM part

    CUMMINS

    $3,275.28
    $3,021.46
    ONAN 5511749 - MODULE DOSER FLUID SUPPLY. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $3,275.28
    $3,021.46
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $3,275.28
    $3,021.46
    Subtotal:
  • ONAN 5511612 - MODULE OUTLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5511612 - MODULE OUTLET CATALYST - Original OEM part

    CUMMINS

    $14,234.03
    $13,130.90
    ONAN 5511612 - MODULE OUTLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $14,234.03
    $13,130.90
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14,234.03
    $13,130.90
    Subtotal:
  • ONAN 5511610 - MODULE OUTLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5511610 - MODULE OUTLET CATALYST - Original OEM part

    CUMMINS

    $14,234.03
    $13,130.90
    ONAN 5511610 - MODULE OUTLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $14,234.03
    $13,130.90
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14,234.03
    $13,130.90
    Subtotal:
  • ONAN 5511607 - MODULE INLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5511607 - MODULE INLET CATALYST - Original OEM part

    CUMMINS

    $5,803.35
    $5,353.60
    ONAN 5511607 - MODULE INLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $5,803.35
    $5,353.60
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5,803.35
    $5,353.60
    Subtotal:
  • ONAN 5511574 - MODULE OUTLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5511574 - MODULE OUTLET CATALYST - Original OEM part

    CUMMINS

    $7,646.48
    $7,053.89
    ONAN 5511574 - MODULE OUTLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $7,646.48
    $7,053.89
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7,646.48
    $7,053.89
    Subtotal:
  • ONAN 5511276 - MODULE INLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5511276 - MODULE INLET CATALYST - Original OEM part

    CUMMINS

    $12,349.72
    $11,392.62
    ONAN 5511276 - MODULE INLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $12,349.72
    $11,392.62
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $12,349.72
    $11,392.62
    Subtotal:
  • ONAN 5511263 - MODULE INLET CATALYST - Original OEM part - Image 1
    Add to Cart

    CUMMINS 5511263 - MODULE INLET CATALYST - Original OEM part

    CUMMINS

    $12,227.44
    $11,279.82
    ONAN 5511263 - MODULE INLET CATALYST. This is an authentic CUMMINS replacement part. Available for USA and Canada only. Other countries please contact us.
    $12,227.44
    $11,279.82
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $12,227.44
    $11,279.82
    Subtotal:
  • Total: items /

Adding your products to cart

Other Fuel System Parts

We'll take care of you

Availability

Buy Products In Stock with Fast Shipping.

Best Deal

Shop at unbeatable prices and find discounts and offers.

Customer Service

Call, email or chat with an Expert.

Security

100% Secure Checkout with several certificated payment methods.