Decomposition Reactors

Genuine Decomposition Reactors for Onan, Cummins & Fleetguard Power Engines

Optimize your power engine's emissions and performance with our authentic Decomposition Reactors. Engineered specifically for Onan, Cummins, and Fleetguard models, these reactors ensure efficient breakdown of exhaust gases, reducing harmful emissions while maintaining engine reliability.

Decomposition Reactors for Enhanced Engine Emissions Control | Power Engines Parts Genuine

Our Decomposition Reactors deliver superior catalytic decomposition, helping your engine meet environmental standards without compromising power output. Each reactor is crafted to exacting standards, guaranteeing durability and compatibility with your power engine system.

  • Brand-Specific Fit: Tailored to Onan, Cummins, and Fleetguard engines for seamless integration.
  • Durability: Built from high-quality materials to withstand harsh operating conditions.
  • Performance Boost: Improves exhaust gas treatment, supporting cleaner engine operation.

Why Choose Our Decomposition Reactors? Experience genuine parts that combine trusted brand expertise with unmatched quality, ensuring your power engine runs cleaner, longer, and more efficiently.

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  • CUMMINS 5508332 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 5508332 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $3,563.43
    $3,207.08
    CUMMINS 5508332 - DECOMPOSITION REACTOR MINS5508332 Find the original 5508332 - DECOMPOSITION REACTOR from CUMMINS at the best price in our online store. Our inventory offers genuine replacement...
    $3,563.43
    $3,207.08
    Qty in Cart: 0
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    $3,563.43
    $3,207.08
    Subtotal:
  • CUMMINS 5507308 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 5507308 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $3,563.43
    $3,207.08
    CUMMINS 5507308 - DECOMPOSITION REACTOR MINS5507308 When it comes to finding the original 5507308 - DECOMPOSITION REACTOR, our store is your go-to destination. We pride ourselves on offering...
    $3,563.43
    $3,207.08
    Qty in Cart: 0
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    $3,563.43
    $3,207.08
    Subtotal:
  • CUMMINS 5418353 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 5418353 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $4,325.13
    $3,892.61
    CUMMINS 5418353 - DECOMPOSITION REACTOR MINS5418353 Looking for the original 5418353 - DECOMPOSITION REACTOR from CUMMINS? Look no further! Our store offers the genuine Sensor Brackets you need at...
    $4,325.13
    $3,892.61
    Qty in Cart: 0
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    $4,325.13
    $3,892.61
    Subtotal:
  • CUMMINS 5418330 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 5418330 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $3,592.14
    $3,232.92
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    $3,592.14
    $3,232.92
    Qty in Cart: 0
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    $3,592.14
    $3,232.92
    Subtotal:
  • CUMMINS 5466292 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 5466292 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $14,916.95
    $13,425.25
    CUMMINS 5466292 - DECOMPOSITION REACTOR MINS5466292 Are you in need of the original 5466292 - DECOMPOSITION REACTOR for your outdoor equipment? Look no further! Our store offers the authentic...
    $14,916.95
    $13,425.25
    Qty in Cart: 0
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    $14,916.95
    $13,425.25
    Subtotal:
  • CUMMINS 5418329 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 5418329 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $4,163.82
    $3,747.43
    CUMMINS 5418329 - DECOMPOSITION REACTOR MINS5418329 When it comes to finding the original 5418329 - DECOMPOSITION REACTOR for your outdoor equipment, our store is the go-to destination. We take...
    $4,163.82
    $3,747.43
    Qty in Cart: 0
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    $4,163.82
    $3,747.43
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  • CUMMINS 5418129 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 5418129 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $3,513.06
    $3,161.75
    CUMMINS 5418129 - DECOMPOSITION REACTOR MINS5418129 When it comes to needing the original 5418129 - DECOMPOSITION REACTOR from CUMMINS, our store is your best choice. We offer this quality OEM part...
    $3,513.06
    $3,161.75
    Qty in Cart: 0
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    $3,513.06
    $3,161.75
    Subtotal:
  • CUMMINS 5418128 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 5418128 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $9,470.00
    $8,523.00
    CUMMINS 5418128 - DECOMPOSITION REACTOR MINS5418128 When it comes to finding the original 5418128 - DECOMPOSITION REACTOR by CUMMINS, our store is your best choice. We take pride in offering...
    $9,470.00
    $8,523.00
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    $9,470.00
    $8,523.00
    Subtotal:
  • CUMMINS 5418127 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 5418127 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $3,167.44
    $2,850.69
    CUMMINS 5418127 - DECOMPOSITION REACTOR MINS5418127 Looking for the original 5418127 - DECOMPOSITION REACTOR by CUMMINS? Look no further! Our store is the best option for getting this OEM part for...
    $3,167.44
    $2,850.69
    Qty in Cart: 0
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    $3,167.44
    $2,850.69
    Subtotal:
  • CUMMINS 5418126 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 5418126 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $3,176.12
    $2,858.50
    CUMMINS 5418126 - DECOMPOSITION REACTOR MINS5418126 Discover the original 5418126 - DECOMPOSITION REACTOR from CUMMINS, available at our online store. We provide the best price and fast shipping for...
    $3,176.12
    $2,858.50
    Qty in Cart: 0
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    $3,176.12
    $2,858.50
    Subtotal:
  • CUMMINS 5418125 - DECOMPOSITION REACTOR - OEM part - Image 1

    CUMMINS 5418125 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $3,167.44
    $2,850.69
    CUMMINS 5418125 - DECOMPOSITION REACTOR MINS5418125 When it comes to finding the original 5418125 - DECOMPOSITION REACTOR by CUMMINS, our store is your best option. We are dedicated to providing...
    $3,167.44
    $2,850.69
    Qty in Cart: 0
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    $3,167.44
    $2,850.69
    Subtotal:
  • CUMMINS 5418124 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 5418124 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $3,580.33
    $3,222.29
    CUMMINS 5418124 - DECOMPOSITION REACTOR MINS5418124 Get your hands on the original 5418124 - DECOMPOSITION REACTOR from CUMMINS right here at our store. We offer the best price and fast shipping,...
    $3,580.33
    $3,222.29
    Qty in Cart: 0
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    $3,580.33
    $3,222.29
    Subtotal:
  • CUMMINS 5418123 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 5418123 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $9,239.60
    $8,315.64
    CUMMINS 5418123 - DECOMPOSITION REACTOR MINS5418123 Upgrade your outdoor equipment with the original 5418123 - DECOMPOSITION REACTOR from our store. We offer the best price and fast shipping,...
    $9,239.60
    $8,315.64
    Qty in Cart: 0
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    Price:
    $9,239.60
    $8,315.64
    Subtotal:
  • CUMMINS 5418122 - DECOMPOSITION REACTOR - OEM part - Image 1

    CUMMINS 5418122 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $3,580.33
    $3,222.29
    CUMMINS 5418122 - DECOMPOSITION REACTOR MINS5418122 When in need of an original 5418122 - DECOMPOSITION REACTOR, look no further than our store. We offer genuine CUMMINS parts at the best prices...
    $3,580.33
    $3,222.29
    Qty in Cart: 0
    Quantity:
    Price:
    $3,580.33
    $3,222.29
    Subtotal:
  • CUMMINS 5296003 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 5296003 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $2,128.64
    $1,915.77
    CUMMINS 5296003 - DECOMPOSITION REACTOR MINS5296003 When you're in need of the original 5296003 - DECOMPOSITION REACTOR by CUMMINS, our store is your best option. We offer this top-quality OEM part...
    $2,128.64
    $1,915.77
    Qty in Cart: 0
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    $2,128.64
    $1,915.77
    Subtotal:
  • CUMMINS 5271592 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 5271592 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $3,145.34
    $2,830.80
    CUMMINS 5271592 - DECOMPOSITION REACTOR MINS5271592 When it comes to finding the original 5271592 - DECOMPOSITION REACTOR for your outdoor equipment, our store is your ultimate destination. We pride...
    $3,145.34
    $2,830.80
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    $3,145.34
    $2,830.80
    Subtotal:
  • CUMMINS 5271591 - DECOMPOSITION REACTOR - OEM part - Image 1

    CUMMINS 5271591 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $2,394.99
    $2,155.49
    CUMMINS 5271591 - DECOMPOSITION REACTOR MINS5271591 Founded in the promise of delivering the best, our store stands as the ultimate destination for acquiring the original 5271591 - DECOMPOSITION...
    $2,394.99
    $2,155.49
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    $2,394.99
    $2,155.49
    Subtotal:
  • CUMMINS 5271590 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 5271590 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $1,808.10
    $1,627.29
    CUMMINS 5271590 - DECOMPOSITION REACTOR MINS5271590 When it comes to original replacement parts, our store is the ultimate destination for the 5271590 - DECOMPOSITION REACTOR by CUMMINS. With the...
    $1,808.10
    $1,627.29
    Qty in Cart: 0
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    $1,808.10
    $1,627.29
    Subtotal:
  • CUMMINS 5271589 - DECOMPOSITION REACTOR - OEM part - Image 1

    CUMMINS 5271589 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $1,808.10
    $1,627.29
    CUMMINS 5271589 - DECOMPOSITION REACTOR MINS5271589 Looking for an original 5271589 - DECOMPOSITION REACTOR for your outdoor equipment? Look no further! Our store is the best option for you. We...
    $1,808.10
    $1,627.29
    Qty in Cart: 0
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    $1,808.10
    $1,627.29
    Subtotal:
  • CUMMINS 5271588 - DECOMPOSITION REACTOR - OEM part - Image 1

    CUMMINS 5271588 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $2,264.32
    $2,037.88
    CUMMINS 5271588 - DECOMPOSITION REACTOR MINS5271588 Find the original 5271588 - DECOMPOSITION REACTOR by CUMMINS at our store, the best source for authentic replacement parts. Get it at the best...
    $2,264.32
    $2,037.88
    Qty in Cart: 0
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    $2,264.32
    $2,037.88
    Subtotal:
  • CUMMINS 4394302 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 4394302 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $2,706.97
    $2,436.27
    CUMMINS 4394302 - DECOMPOSITION REACTOR MINS4394302 When it comes to finding the original 4394302 - DECOMPOSITION REACTOR for your equipment, look no further than our store. We pride ourselves on...
    $2,706.97
    $2,436.27
    Qty in Cart: 0
    Quantity:
    Price:
    $2,706.97
    $2,436.27
    Subtotal:
  • CUMMINS 4377370 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 4377370 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $2,706.97
    $2,436.27
    CUMMINS 4377370 - DECOMPOSITION REACTOR MINS4377370 Looking for the original 4377370 - DECOMPOSITION REACTOR from CUMMINS? Look no further! Our store offers genuine CUMMINS 4377370 - DECOMPOSITION...
    $2,706.97
    $2,436.27
    Qty in Cart: 0
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    $2,706.97
    $2,436.27
    Subtotal:
  • CUMMINS 4353479 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 4353479 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $3,326.18
    $2,993.56
    CUMMINS 4353479 - DECOMPOSITION REACTOR MINS4353479 Looking for the original 4353479 - DECOMPOSITION REACTOR by CUMMINS? Our store offers the best price on this catalyst module, ensuring you get...
    $3,326.18
    $2,993.56
    Qty in Cart: 0
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    $3,326.18
    $2,993.56
    Subtotal:
  • CUMMINS 4329591 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 4329591 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $2,706.82
    $2,436.13
    CUMMINS 4329591 - DECOMPOSITION REACTOR MINS4329591 When it comes to sourcing original replacement parts like the 4329591 - DECOMPOSITION REACTOR from CUMMINS, our online store is the best choice...
    $2,706.82
    $2,436.13
    Qty in Cart: 0
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    $2,706.82
    $2,436.13
    Subtotal:
  • CUMMINS 2885907 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 2885907 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $2,732.02
    $2,458.81
    CUMMINS 2885907 - DECOMPOSITION REACTOR MINS2885907 When it comes to finding the original 2885907 - DECOMPOSITION REACTOR, look no further than our online store. We pride ourselves on providing...
    $2,732.02
    $2,458.81
    Qty in Cart: 0
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    $2,732.02
    $2,458.81
    Subtotal:
  • CUMMINS 2885896 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 2885896 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $3,630.63
    $3,267.56
    CUMMINS 2885896 - DECOMPOSITION REACTOR MINS2885896 At our online store, you can find the original 2885896 - DECOMPOSITION REACTOR by CUMMINS - a crucial component for oil pumps. We offer this OEM...
    $3,630.63
    $3,267.56
    Qty in Cart: 0
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    $3,630.63
    $3,267.56
    Subtotal:
  • CUMMINS 2885895 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 2885895 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $2,246.44
    $2,021.79
    CUMMINS 2885895 - DECOMPOSITION REACTOR MINS2885895 Looking for the original 2885895 - DECOMPOSITION REACTOR by CUMMINS? Look no further! Our store offers the best price for this genuine OEM part...
    $2,246.44
    $2,021.79
    Qty in Cart: 0
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    $2,246.44
    $2,021.79
    Subtotal:
  • CUMMINS 2885894 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 2885894 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $2,246.44
    $2,021.79
    CUMMINS 2885894 - DECOMPOSITION REACTOR MINS2885894 Looking for the original 2885894 - DECOMPOSITION REACTOR from CUMMINS? Look no further! Our store offers the best price for this OEM part and...
    $2,246.44
    $2,021.79
    Qty in Cart: 0
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    $2,246.44
    $2,021.79
    Subtotal:
  • CUMMINS 2885893 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 2885893 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $2,498.81
    $2,248.92
    CUMMINS 2885893 - DECOMPOSITION REACTOR MINS2885893 Looking for the original 2885893 - DECOMPOSITION REACTOR from CUMMINS? Look no further. Our online store is your best option for getting this...
    $2,498.81
    $2,248.92
    Qty in Cart: 0
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    $2,498.81
    $2,248.92
    Subtotal:
  • CUMMINS 2885892 - DECOMPOSITION REACTOR OEM part - ONAN/CUMMINS OEM part - Image 1

    CUMMINS 2885892 DECOMPOSITION REACTOR OEM part

    CUMMINS

    $2,246.44
    $2,021.79
    CUMMINS 2885892 - DECOMPOSITION REACTOR MINS2885892 Looking for the original 2885892 - DECOMPOSITION REACTOR by CUMMINS? Look no further! Our online store offers the best price for this genuine OEM...
    $2,246.44
    $2,021.79
    Qty in Cart: 0
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    $2,246.44
    $2,021.79
    Subtotal:
  • ONAN 315-0384 - 3150384 COMM REACTOR ASSEMBLY ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 3150384 COMM REACTOR ASSEMBLY ONAN/CUMMINS OEM part

    ONAN

    $824.08
    $741.67
    ONAN COMM REACTOR ASSEMBLY - /CUMMINS 315-0384 Get the original COMM REACTOR ASSEMBLY - /CUMMINS (SKU: 315-0384) at the best price from our store. We provide authentic ONAN terminal boxes for your...
    $824.08
    $741.67
    Qty in Cart: 0
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    Price:
    $824.08
    $741.67
    Subtotal:
  • ONAN 315-0343 - 3150343 COMM REACTOR ASSEMBLY ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 3150343 COMM REACTOR ASSEMBLY ONAN/CUMMINS OEM part

    ONAN

    $772.82
    $695.53
    ONAN COMM REACTOR ASSEMBLY - /CUMMINS 315-0343 Looking for the best place to find the original COMM REACTOR ASSEMBLY - /CUMMINS? Look no further! Our store offers the genuine ONAN 315-0343 - COMM...
    $772.82
    $695.53
    Qty in Cart: 0
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    Price:
    $772.82
    $695.53
    Subtotal:
  • ONAN 315-0391 - 3150391 REACTOR ASSEMBLY ONAN/CUMMINS OEM part - ONAN/CUMMINS OEM part - Image 1

    ONAN 3150391 REACTOR ASSEMBLY ONAN/CUMMINS OEM part

    ONAN

    $246.94
    $222.24
    ONAN REACTOR ASSEMBLY - /CUMMINS 315-0391 Find the original REACTOR ASSEMBLY - /CUMMINS, SKU 315-0391, exclusively at our store. We offer the best price and fast shipping for this essential ONAN...
    $246.94
    $222.24
    Qty in Cart: 0
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    Price:
    $246.94
    $222.24
    Subtotal:
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