Diesel Engine Ducts

Diesel Engine Ducts - Enhance Performance with Cummins Genuine Parts

Maximize your diesel engine's efficiency with our high-quality Diesel Engine Ducts. Engineered to optimize airflow, these ducts ensure your engine runs cooler and performs at its best under all conditions.

Designed specifically for Cummins engines, our ducts provide a perfect fit and exceptional durability. Whether you're replacing worn components or upgrading your system, trust Cummins Genuine Parts for reliable and long-lasting engine support.

Shop Diesel Engine Ducts for Optimal Airflow and Reliability

Explore our range of diesel engine ducts along with complementary parts like air filters and turbochargers to ensure your engine breathes freely and operates efficiently. Invest in Cummins parts for guaranteed compatibility and performance.

  • Durable Construction: Crafted from high-grade materials to withstand heat, vibration, and harsh operating conditions.
  • Precision Fit: Designed to OEM specifications ensuring seamless integration with Cummins diesel engines.
  • Improved Airflow: Enhances engine cooling and combustion efficiency for better fuel economy and power.
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  • CUMMINS 405-8746-02 - DUCT AIR (HORZ TOP) - Original OEM part - Image 1
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    ONAN 405-8746-02 - TOP HORIZONTAL AIR DUCT - Original ONAN/CUMMINS OEM part

    ONAN

    $106.74
    $98.48
    Cummins TOP HORIZONTAL AIR DUCT 405-8746-02 Delve into top-notch maintenance with the Cummins TOP HORIZONTAL AIR DUCT (SKU: 405-8746-02). Crafted with precision and designed for seamless compatibility, this genuine replacement part ensures optimal...
    $106.74
    $98.48
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    Qty in Cart: 0
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    Price:
    $106.74
    $98.48
    Subtotal:
  • CUMMINS 319-5234-02 - DUCT INLET - Original OEM part - Image 1
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    ONAN 319-5234-02 - CABLE CHUTE INLET DUCT - Original ONAN/CUMMINS OEM part

    ONAN

    $89.46
    $82.54
    Cummins CABLE CHUTE INLET DUCT 319-5234-02 Ensuring your outdoor equipment operates at peak performance is crucial, and that's where the Cummins CABLE CHUTE INLET DUCT comes into play. Our store offers the original 319-5234-02 part direct from the...
    $89.46
    $82.54
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    Qty in Cart: 0
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    Price:
    $89.46
    $82.54
    Subtotal:
  • CUMMINS 186-7119-04 - STRUT DUCT - Original OEM part - Image 1
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    ONAN 186-7119-04 - DUCT STRUT - Original ONAN/CUMMINS OEM part

    ONAN

    $83.32
    $76.87
    Cummins DUCT STRUT 186-7119-04 Find the original "DUCT STRUT" by Cummins with SKU 186-7119-04 available at our store. Crafted for durability and precision, this genuine replacement part ensures optimal performance for your outdoor equipment. Shop now to...
    $83.32
    $76.87
    Add to Cart
    Qty in Cart: 0
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    Price:
    $83.32
    $76.87
    Subtotal:
  • CUMMINS A030A327 - DUCT INLET - Original OEM part - Image 1
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    ONAN A030A327 - INLET DUCT - Original ONAN/CUMMINS OEM part

    ONAN

    $123.52
    $113.95
    Cummins INLET DUCT A030A327 Find high-quality replacement parts like the Cummins INLET DUCT (SKU: A030A327) at our store. We are dedicated to providing original parts for lawn mowers and outdoor equipment. Enjoy the assurance of authenticity and precise...
    $123.52
    $113.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $123.52
    $113.95
    Subtotal:
  • CUMMINS 405-7350-03 - PANEL DUCT (WLDMNT) - Original OEM part - Image 1
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    ONAN 405-7350-03 - WELDMENT DUCT PANEL - Original ONAN/CUMMINS OEM part

    ONAN

    $199.98
    $184.49
    Cummins WELDMENT DUCT PANEL 405-7350-03 Find the genuine WELDMENT DUCT PANEL, SKU 405-7350-03, from the renowned brand Cummins in our store. Why settle for less when you can have the best quality at the most competitive price Trust us for original parts...
    $199.98
    $184.49
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    Qty in Cart: 0
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    Price:
    $199.98
    $184.49
    Subtotal:
  • CUMMINS 405-9877-02 - PANEL DUCT - Original OEM part - Image 1
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    ONAN 405-9877-02 - DUCT PANEL - Original ONAN/CUMMINS OEM part

    ONAN

    $154.56
    $142.59
    Cummins DUCT PANEL 405-9877-02 Discover the authentic "DUCT PANEL" with the SKU "405-9877-02" from the renowned brand Cummins in our store. Ensure optimum performance and durability for your lawn mower and outdoor equipment with this original...
    $154.56
    $142.59
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $154.56
    $142.59
    Subtotal:
  • CUMMINS 404-0017-03 - PANEL DUCT - Original OEM part - Image 1
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    ONAN 404-0017-03 - DUCT PANEL - Original ONAN/CUMMINS OEM part

    ONAN

    $215.01
    $198.35
    Cummins DUCT PANEL 404-0017-03 Unleash the full potential of your outdoor equipment with the original DUCT PANEL by Cummins, SKU 404-0017-03. Our store is your go-to destination for top-quality replacement parts. Trust in the Cummins brand for reliable...
    $215.01
    $198.35
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $215.01
    $198.35
    Subtotal:
  • CUMMINS 405-9127 - DUCT AIR (INLET) - Original OEM part - Image 1
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    ONAN 405-9127 - AIR INLET DUCT - Original ONAN/CUMMINS OEM part

    ONAN

    $156.15
    $144.06
    Cummins AIR INLET DUCT 405-9127 Find the original Cummins AIR INLET DUCT with SKU 405-9127 at our online store, the ultimate destination for quality replacement parts. Our commitment to providing genuine products ensures that you receive top-notch items...
    $156.15
    $144.06
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $156.15
    $144.06
    Subtotal:
  • CUMMINS 405-9533 - PANEL DUCT (RH) - Original OEM part - Image 1
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    ONAN 405-9533 - RIGHT HAND DUCT PANEL - Original ONAN/CUMMINS OEM part

    ONAN

    $361.67
    $333.65
    Cummins RIGHT HAND DUCT PANEL 405-9533 Find the authentic Cummins RIGHT HAND DUCT PANEL, product SKU 405-9533, at our store - your top choice for original lawn mower and outdoor equipment parts. This product embodies quality and durability, essential...
    $361.67
    $333.65
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $361.67
    $333.65
    Subtotal:
  • CUMMINS 186-7100 - DUCT FRT - Original OEM part - Image 1
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    ONAN 186-7100 - FRONT FRONT DUCT - Original ONAN/CUMMINS OEM part

    ONAN

    $235.28
    $217.06
    Cummins FRONT FRONT DUCT 186-7100 Find the authentic "FRONT FRONT DUCT" with SKU "186-7100" from Cummins at our store. This genuine replacement part ensures top-notch performance for your outdoor equipment. With the best price offered and fast shipping,...
    $235.28
    $217.06
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $235.28
    $217.06
    Subtotal:
  • CUMMINS A043U425 - DUCT AIR - Original OEM part - Image 1
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    ONAN A043U425 - AIR DUCT - Original ONAN/CUMMINS OEM part

    ONAN

    $135.28
    $124.81
    Cummins AIR DUCT A043U425 Our store proudly offers the original AIR DUCT with SKU A043U425 by Cummins. Crafted with precision and quality materials, this replacement part ensures optimal performance for your outdoor equipment. Trust in the brand's...
    $135.28
    $124.81
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $135.28
    $124.81
    Subtotal:
  • CUMMINS 405-8748-02 - DUCT AIR (VERT) - Original OEM part - Image 1
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    ONAN 405-8748-02 - DUCT AIR VERT - Original ONAN/CUMMINS OEM part

    ONAN

    $102.39
    $94.47
    Cummins DUCT AIR VERT 405-8748-02 Constructed by Cummins, the DUCT AIR VERT (SKU: 405-8748-02) is a top-quality replacement part expertly crafted for optimal performance. Find assurance in its compatibility and durability. At our online store, you can...
    $102.39
    $94.47
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $102.39
    $94.47
    Subtotal:
  • CUMMINS 405-9517-03 - PANEL DUCT - Original OEM part - Image 1
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    ONAN 405-9517-03 - DUCT PANEL - Original ONAN/CUMMINS OEM part

    ONAN

    $171.02
    $157.77
    Cummins DUCT PANEL 405-9517-03 Discover the Cummins 405-9517-03 DUCT PANEL, a high-quality replacement part essential for your outdoor equipment maintenance. Trust in our store to provide you with authentic Cummins products at the best price, ensuring...
    $171.02
    $157.77
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $171.02
    $157.77
    Subtotal:
  • CUMMINS 405-7986 - PANEL DUCT (BOTTOM) - Original OEM part - Image 1
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    ONAN 405-7986 - BOTTOM DUCT PANEL - Original ONAN/CUMMINS OEM part

    ONAN

    $182.46
    $168.33
    Cummins BOTTOM DUCT PANEL 405-7986 Discover the authentic Cummins BOTTOM DUCT PANEL (SKU: 405-7986) for your outdoor equipment at our store. Genuine quality ensures seamless compatibility and optimal performance. Trust in our commitment to supplying...
    $182.46
    $168.33
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $182.46
    $168.33
    Subtotal:
  • CUMMINS A028U377 - DUCT - Original OEM part - Image 1
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    ONAN A028U377 - AIR INLET DUCT - Original ONAN/CUMMINS OEM part

    ONAN

    $220.04
    $203.00
    Cummins AIR INLET DUCT A028U377 Find genuine quality with the Cummins AIR INLET DUCT, SKU A028U377. Discover the perfect fit for your outdoor equipment needs. You can rely on our store for the best prices and swift shipping services. Upgrade your lawn...
    $220.04
    $203.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $220.04
    $203.00
    Subtotal:
  • CUMMINS A043U421 - DUCT AIR - Original OEM part - Image 1
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    ONAN A043U421 - AIR DUCT - Original ONAN/CUMMINS OEM part

    ONAN

    $118.37
    $109.21
    Cummins AIR DUCT A043U421 Discover the genuine Cummins AIR DUCT, SKU A043U421, exclusively available at our online store. Crafted with precision, this replacement part ensures optimal performance for your outdoor equipment. Trust in our commitment to...
    $118.37
    $109.21
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $118.37
    $109.21
    Subtotal:
  • CUMMINS 405-7987 - PANEL DUCT (TOP) - Original OEM part - Image 1
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    ONAN 405-7987 - TOP DUCT PANEL - Original ONAN/CUMMINS OEM part

    ONAN

    $175.59
    $162.00
    Cummins TOP DUCT PANEL 405-7987 Find the original "TOP DUCT PANEL" by Cummins, SKU 405-7987, at our store. Rest assured that you are getting the authentic product for your outdoor equipment needs. Don't compromise on quality; this panel ensures a...
    $175.59
    $162.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $175.59
    $162.00
    Subtotal:
  • CUMMINS 405-9585-02 - PANEL DUCT (BOTTOM) - Original OEM part - Image 1
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    ONAN 405-9585-02 - BOTTOM DUCT PANEL - Original ONAN/CUMMINS OEM part

    ONAN

    $1,027.48
    $947.86
    Cummins BOTTOM DUCT PANEL 405-9585-02 Our store proudly offers the original "BOTTOM DUCT PANEL" by Cummins with SKU "405-9585-02". Designed for durability and precise fit, this part ensures optimal performance for your outdoor equipment. Trust in the...
    $1,027.48
    $947.86
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,027.48
    $947.86
    Subtotal:
  • CUMMINS 405-6515-03 - DUCT - Original OEM part - Image 1
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    ONAN 405-6515-03 - DUCT - Original ONAN/CUMMINS OEM part

    ONAN

    $764.35
    $705.12
    Cummins DUCT 405-6515-03 The Cummins DUCT with SKU 405-6515-03 is a top-quality replacement part you can trust for your outdoor equipment maintenance needs. Our store is your best choice to find this original DUCT at the best price, and we offer fast...
    $764.35
    $705.12
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $764.35
    $705.12
    Subtotal:
  • CUMMINS 405-7923 - DUCT AIR (FRM TOP & BOT ALUM) - Original OEM part - Image 1
    Add to Cart

    ONAN 405-7923 - DUCT AIR FRAME TOP AND BOTTOM A - Original ONAN/CUMMINS OEM part

    ONAN

    $87.14
    $80.40
    Cummins DUCT AIR FRAME TOP AND BOTTOM A 405-7923 Our store proudly offers the original Cummins DUCT AIR FRAME TOP AND BOTTOM A (SKU: 405-7923) for your outdoor equipment needs. Crafted with precision and quality in mind, this replacement part ensures...
    $87.14
    $80.40
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $87.14
    $80.40
    Subtotal:
  • CUMMINS 405-7388 - DUCT AIR - Original OEM part - Image 1
    Add to Cart

    ONAN 405-7388 - AIR DUCT - Original ONAN/CUMMINS OEM part

    ONAN

    $131.75
    $121.55
    Cummins AIR DUCT 405-7388 Find the genuine Cummins AIR DUCT with SKU 405-7388 at our online store. Our commitment to quality ensures that you receive the exact replacement part you need for your outdoor equipment. With fast shipping and the best price...
    $131.75
    $121.55
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $131.75
    $121.55
    Subtotal:
  • CUMMINS 405-9781-02 - DUCT AIR - Original OEM part - Image 1
    Add to Cart

    ONAN 405-9781-02 - AIR DUCT - Original ONAN/CUMMINS OEM part

    ONAN

    $281.25
    $259.46
    Cummins AIR DUCT 405-9781-02 Upgrade your outdoor equipment with the authentic Cummins AIR DUCT SKU 405-9781-02. At our store, you'll find top-notch replacement parts at competitive prices. Trust us to deliver genuine products swiftly with our fast...
    $281.25
    $259.46
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $281.25
    $259.46
    Subtotal:
  • CUMMINS 319-5490-02 - DUCT INLET - Original OEM part - Image 1
    Add to Cart

    ONAN 319-5490-02 - INLET DUCT - Original ONAN/CUMMINS OEM part

    ONAN

    $91.48
    $84.40
    Cummins INLET DUCT 319-5490-02 Find the genuine Cummins INLET DUCT, SKU 319-5490-02, only at our store for premium quality replacement parts. Rest assured of the authenticity and perfect fit of this essential product for your outdoor equipment. Purchase...
    $91.48
    $84.40
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $91.48
    $84.40
    Subtotal:
  • CUMMINS A030C323 - DUCT - Original OEM part - Image 1
    Add to Cart

    ONAN A030C323 - AIR DUCT - Original ONAN/CUMMINS OEM part

    ONAN

    $82.72
    $76.32
    Cummins AIR DUCT A030C323 Find the original Cummins AIR DUCT with the SKU A030C323, a top-quality replacement part designed for optimal performance. Our store offers the best price for this genuine product and ensures fast shipping to get your outdoor...
    $82.72
    $76.32
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $82.72
    $76.32
    Subtotal:
  • CUMMINS A035B971 - DUCT INLET - Original OEM part - Image 1
    Add to Cart

    ONAN A035B971 - INLET DUCT - Original ONAN/CUMMINS OEM part

    ONAN

    $141.48
    $130.53
    Cummins INLET DUCT A035B971 Discover the authentic Cummins INLET DUCT, SKU A035B971, exclusively available at our store. Designed with precision and durability in mind, this essential part ensures optimal performance for your outdoor equipment. Trust in...
    $141.48
    $130.53
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $141.48
    $130.53
    Subtotal:
  • CUMMINS 404-0279-02 - PANEL DUCT (TOP) - Original OEM part - Image 1
    Add to Cart

    ONAN 404-0279-02 - TOP DUCT PANEL - Original ONAN/CUMMINS OEM part

    ONAN

    $102.39
    $94.47
    Cummins TOP DUCT PANEL 404-0279-02 Unlock the potential of your outdoor equipment with the Cummins TOP DUCT PANEL (SKU: 404-0279-02). Our store is your ultimate destination for authentic replacement parts, providing you with superior quality and a...
    $102.39
    $94.47
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $102.39
    $94.47
    Subtotal:
  • CUMMINS 405-7800 - PANEL DUCT (ALU FILLER) - Original OEM part - Image 1
    Add to Cart

    ONAN 405-7800 - FILLER DUCT PANEL ALUMINIUM - Original ONAN/CUMMINS OEM part

    ONAN

    $163.54
    $150.87
    Cummins FILLER DUCT PANEL ALUMINIUM 405-7800 Upgrade your outdoor equipment with the "FILLER DUCT PANEL ALUMINIUM" by Cummins (SKU: 405-7800). Crafted with precision to fit perfectly, this original replacement part ensures durability and optimal...
    $163.54
    $150.87
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $163.54
    $150.87
    Subtotal:
  • CUMMINS 405-7600-02 - DUCT AIR - Original OEM part - Image 1
    Add to Cart

    ONAN 405-7600-02 - TOP FRAME AIR DUCT - Original ONAN/CUMMINS OEM part

    ONAN

    $146.66
    $135.30
    Cummins TOP FRAME AIR DUCT 405-7600-02 Upgrade your outdoor equipment with the original TOP FRAME AIR DUCT by Cummins. Our store offers the genuine 405-7600-02 part at the best price possible. With fast shipping, you can have this essential component in...
    $146.66
    $135.30
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $146.66
    $135.30
    Subtotal:
  • CUMMINS 405-9878-01 - PANEL DUCT - Original OEM part - Image 1
    Add to Cart

    ONAN 405-9878-01 - DUCT PANEL - Original ONAN/CUMMINS OEM part

    ONAN

    $152.78
    $140.95
    Cummins DUCT PANEL 405-9878-01 Find the best quality original Cummins DUCT PANEL with SKU 405-9878-01 at our online store. Designed to fit seamlessly for your outdoor equipment needs, this product is reliable and durable. Don't compromise on the quality...
    $152.78
    $140.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $152.78
    $140.95
    Subtotal:
  • CUMMINS 405-7755-02 - PANEL DUCT (FILLER) - Original OEM part - Image 1
    Add to Cart

    ONAN 405-7755-02 - FILLER DUCT PANEL - Original ONAN/CUMMINS OEM part

    ONAN

    $67.04
    $61.85
    Cummins FILLER DUCT PANEL 405-7755-02 Upgrade your outdoor equipment with the original Cummins FILLER DUCT PANEL, SKU 405-7755-02. Our store is your ultimate destination for authentic replacement parts. Combining quality and affordability, this product...
    $67.04
    $61.85
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $67.04
    $61.85
    Subtotal:
  • CUMMINS 405-7806-03 - PANEL DUCT (TOP) - Original OEM part - Image 1
    Add to Cart

    ONAN 405-7806-03 - TOP DUCT PANEL - Original ONAN/CUMMINS OEM part

    ONAN

    $65.20
    $60.15
    Cummins TOP DUCT PANEL 405-7806-03 Upgrade the efficiency of your outdoor equipment with the original Cummins TOP DUCT PANEL (SKU:405-7806-03). Our store stands out as the ultimate destination for genuine parts. Experience seamless functionality and...
    $65.20
    $60.15
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $65.20
    $60.15
    Subtotal:
  • CUMMINS 405-6711 - DUCT INTAKE (GEN) - Original OEM part - Image 1
    Add to Cart

    ONAN 405-6711 - INTAKE DUCT MARINE GENERATOR SET - Original ONAN/CUMMINS OEM part

    ONAN

    $58.22
    $53.71
    Cummins INTAKE DUCT MARINE GENERATOR SET 405-6711 Find the genuine INTAKE DUCT MARINE GENERATOR SET, SKU 405-6711 by Cummins, at our store for unparalleled performance. This original replacement part ensures your marine generator runs smoothly. With our...
    $58.22
    $53.71
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $58.22
    $53.71
    Subtotal:
  • CUMMINS 319-5365-02 - DUCT INLET - Original OEM part - Image 1
    Add to Cart

    ONAN 319-5365-02 - INLET DUCT - Original ONAN/CUMMINS OEM part

    ONAN

    $486.29
    $448.62
    Cummins INLET DUCT 319-5365-02 Enhance the performance of your outdoor equipment with the original Cummins INLET DUCT (SKU: 319-5365-02). Our store offers top-tier replacement parts, guaranteeing the quality and compatibility your machinery deserves...
    $486.29
    $448.62
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $486.29
    $448.62
    Subtotal:
  • CUMMINS 134-4637 - DUCT AIR - Original OEM part - Image 1
    Add to Cart

    ONAN 134-4637 - AIR DUCT - Original ONAN/CUMMINS OEM part

    ONAN

    $29.50
    $27.22
    Cummins AIR DUCT 134-4637 Upgrade your outdoor equipment with the original "AIR DUCT" from Cummins. SKU 134-4637 ensures a perfect fit and top-notch performance. Our online store stands out as your go-to destination for quality replacement parts at the...
    $29.50
    $27.22
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $29.50
    $27.22
    Subtotal:
  • CUMMINS 134-5247 - DUCT REAR AIR - Original OEM part - Image 1
    Add to Cart

    ONAN 134-5247 - REAR AIR DUCT - Original ONAN/CUMMINS OEM part

    ONAN

    $82.17
    $75.81
    Cummins REAR AIR DUCT 134-5247 Find top-quality original REAR AIR DUCT, SKU 134-5247 by Cummins in our store. Exclusively designed for optimal performance, this rear air duct ensures a perfect fit and long-lasting durability for your outdoor equipment...
    $82.17
    $75.81
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $82.17
    $75.81
    Subtotal:
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