OLD PARTS

OLD PARTS

Genuine Old Parts for Onan, Cummins & Fleetguard Diesel Engines

Find authentic old parts tailored for Onan, Cummins, and Fleetguard power engines. Our collection of genuine replacement components ensures your diesel equipment operates with maximum efficiency and durability.

Old Parts for Reliable Diesel Engine Maintenance

We offer a comprehensive range of authentic old parts, including core engine components, seals, filters, and more—all crafted to meet strict quality standards. Each part is designed to restore and maintain the optimal performance of your diesel engines.

  • Genuine Quality: Certified original parts to guarantee compatibility and longevity.
  • Wide Selection: Extensive inventory covering key Onan, Cummins, and Fleetguard models.
  • Trusted Performance: Enhance engine reliability with parts engineered for power and endurance.

Why Choose Our Old Parts? We provide expert-vetted, genuine parts that ensure your diesel engines run smoother and last longer, backed by our commitment to quality and customer satisfaction.

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  • CUMMINS 402670 - RETAINER - Original OEM part - Image 1
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    CUMMINS 402670 RETAINER Original OEM part

    CUMMINS

    $262.00
    $239.34
    Engineered to deliver unwavering stability under demanding conditions Precision-crafted from premium materials for long-lasting performance Essential for maintaining proper engine component...
    $262.00
    $239.34
    Add to Cart
    Qty in Cart: 0
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    Price:
    $262.00
    $239.34
    Subtotal:
  • CUMMINS 4026628 - FAN HUB - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4026628 FAN HUB Original OEM part

    CUMMINS

    $6,511.62
    $5,948.36
    Empower your generator’s heartbeat with authentic Cummins precision engineering Engineered to deliver unparalleled reliability and robust durability under demanding conditions Precision-crafted to...
    $6,511.62
    $5,948.36
    Add to Cart
    Qty in Cart: 0
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    Price:
    $6,511.62
    $5,948.36
    Subtotal:
  • CUMMINS 4025954-9672 - 40259549672 FUEL PUMP - Original OEM part - Image 1
    Add to Cart

    CUMMINS 40259549672 FUEL PUMP Original OEM part

    CUMMINS

    $7,710.45
    $7,043.50
    Cummins 4025954-9672 - FUEL PUMP MINS4025954-9672 Upgrade your lawn mower with the top-quality 4025954-9672 - FUEL PUMP from Cummins available at our store. Our original replacement part is...
    $7,710.45
    $7,043.50
    Add to Cart
    Qty in Cart: 0
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    Price:
    $7,710.45
    $7,043.50
    Subtotal:
  • CUMMINS 4025954-9659 - 40259549659 FUEL PUMP WITH CAL CODE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 40259549659 FUEL PUMP WITH CAL CODE Original OEM part

    CUMMINS

    $7,450.99
    $6,806.48
    Engineered Precision, Trusted Power Delivery Reliable fuel flow ensuring peak engine performance Durability built to withstand demanding operational conditions 100% genuine OEM Cummins component...
    $7,450.99
    $6,806.48
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7,450.99
    $6,806.48
    Subtotal:
  • CUMMINS 4025953-5018 - 40259535018 FUEL PUMP - Original OEM part - Image 1
    Add to Cart

    CUMMINS 40259535018 FUEL PUMP Original OEM part

    CUMMINS

    $8,870.40
    $8,103.12
    Precision-engineered fuel delivery for unmatched performance Durable design to maintain peak engine efficiency under demanding conditions Guaranteed OEM quality directly from Cummins to preserve...
    $8,870.40
    $8,103.12
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $8,870.40
    $8,103.12
    Subtotal:
  • CUMMINS 4025953-5017 - 40259535017 FUEL PUMP - Original OEM part - Image 1
    Add to Cart

    CUMMINS 40259535017 FUEL PUMP Original OEM part

    CUMMINS

    $8,870.40
    $8,103.12
    Cummins 4025953-5017 - FUEL PUMP MINS4025953-5017 Our store proudly offers the original "4025953-5017 - FUEL PUMP" by Cummins, ensuring top-notch quality and compatibility. Engineered to deliver...
    $8,870.40
    $8,103.12
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $8,870.40
    $8,103.12
    Subtotal:
  • CUMMINS 4025439-BF92 - 4025439BF92 FUEL PUMP WITH CAL CODE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4025439BF92 FUEL PUMP WITH CAL CODE Original OEM part

    CUMMINS

    $12,419.02
    $11,344.77
    Power your Cummins engine with precision and durability. Optimized fuel delivery for smoother operation and enhanced efficiency. Manufactured to exact Cummins OEM specifications ensuring perfect fit...
    $12,419.02
    $11,344.77
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $12,419.02
    $11,344.77
    Subtotal:
  • CUMMINS 4025347 - EXHAUST VALVE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4025347 EXHAUST VALVE Original OEM part

    CUMMINS

    $651.80
    $595.42
    Precision-engineered for uncompromising durability and seamless integration Designed to enhance exhaust flow and maintain engine efficiency under high stress Premium OEM quality ensures optimal...
    $651.80
    $595.42
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $651.80
    $595.42
    Subtotal:
  • CUMMINS 4025345 - INTAKE VALVE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4025345 INTAKE VALVE Original OEM part

    CUMMINS

    $476.57
    $435.35
    Cummins 4025345 - INTAKE VALVE MINS4025345 Discover the genuine Cummins 4025345 - INTAKE VALVE at our store, the perfect solution for your outdoor equipment maintenance needs. Our store stands out...
    $476.57
    $435.35
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $476.57
    $435.35
    Subtotal:
  • CUMMINS 4025286 - INJECTOR - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4025286 INJECTOR Original OEM part

    CUMMINS

    $1,679.68
    $1,534.39
    Engineered Reliability for Unrivaled Power Precision Fuel Delivery for Optimal Combustion Designed to Maximize Engine Longevity and Efficiency Certified Genuine OEM Cummins Component for Full...
    $1,679.68
    $1,534.39
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,679.68
    $1,534.39
    Subtotal:
  • CUMMINS 4025233 - FILTER HEAD ADAPTER - Original OEM part - Image 1
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    CUMMINS 4025233 FILTER HEAD ADAPTER Original OEM part

    CUMMINS

    $9,088.19
    $8,302.07
    Engineered to maintain uncompromising engine integrity and peak system efficiency Precision-designed to ensure seamless fit and reliable filtration support Durability tested to withstand demanding...
    $9,088.19
    $8,302.07
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9,088.19
    $8,302.07
    Subtotal:
  • CUMMINS 4025207 - HX82 DRY TURBOCHARGER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4025207 HX82 DRY TURBOCHARGER Original OEM part

    CUMMINS

    $12,336.30
    $11,269.22
    Power Precision Engineered: Boost your engine's efficiency and responsiveness with the unmatched reliability of Cummins technology. Durable Performance: Designed to withstand extreme conditions,...
    $12,336.30
    $11,269.22
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $12,336.30
    $11,269.22
    Subtotal:
  • CUMMINS 4025153 - HX35 WASTEGATE TURBOCHARGER - Original OEM part - Image 1
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    CUMMINS 4025153 HX35 WASTEGATE TURBOCHARGER Original OEM part

    CUMMINS

    $4,799.02
    $4,383.90
    Designed for precision: Experience unmatched turbocharger control tailored to Cummins engine specifications. Durability that endures: Built to withstand extreme operating conditions, delivering...
    $4,799.02
    $4,383.90
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,799.02
    $4,383.90
    Subtotal:
  • CUMMINS 4025149 - HX83 WATERCOOL TURBOCHARGER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4025149 HX83 WATERCOOL TURBOCHARGER Original OEM part

    CUMMINS

    $13,804.00
    $12,609.96
    Precision-engineered for optimal turbocharging performance Advanced watercooling technology for enhanced engine durability Official OEM Cummins part ensuring perfect compatibility The CUMMINS...
    $13,804.00
    $12,609.96
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $13,804.00
    $12,609.96
    Subtotal:
  • CUMMINS 4025066 - LOWER ENGINE GASKET KIT - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4025066 LOWER ENGINE GASKET KIT Original OEM part

    CUMMINS

    $496.64
    $453.68
    Cummins 4025066 - LOWER ENGINE GASKET KIT MINS4025066 When you need reliable replacement parts for your outdoor equipment, trust Cummins to deliver. The 4025066 - LOWER ENGINE GASKET KIT, with SKU...
    $496.64
    $453.68
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $496.64
    $453.68
    Subtotal:
  • CUMMINS 4025027 - TURBOCHARGER HX80 - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4025027 HX80 TURBOCHARGER Original OEM part

    CUMMINS

    $9,347.85
    $8,539.26
    Elevate your engine's potential with trusted precision. Robust HX80 turbocharger design for enhanced airflow and power output. Optimized for long-lasting durability and peak engine performance...
    $9,347.85
    $8,539.26
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9,347.85
    $8,539.26
    Subtotal:
  • CUMMINS 4025024 - HX80 TURBOCHARGER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4025024 HX80 TURBOCHARGER Original OEM part

    CUMMINS

    $13,434.00
    $12,271.96
    Precision Turbocharging Excellence from Cummins Robust HX80 rotor design delivering enhanced airflow and improved combustion efficiency Manufactured with advanced materials to withstand high thermal...
    $13,434.00
    $12,271.96
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $13,434.00
    $12,271.96
    Subtotal:
  • CUMMINS 4025014 - HX80 TURBOCHARGER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4025014 HX80 TURBOCHARGER Original OEM part

    CUMMINS

    $9,868.99
    $9,015.33
    Unleash Peak Performance with Every Rev Precision-engineered HX80 design for optimal boost pressure and fuel efficiency Enhanced durability with advanced materials to withstand high-temperature,...
    $9,868.99
    $9,015.33
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9,868.99
    $9,015.33
    Subtotal:
  • CUMMINS 4025013 - HC5A TURBOCHARGER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4025013 HC5A TURBOCHARGER Original OEM part

    CUMMINS

    $10,833.23
    $9,896.15
    Engineered for excellence, designed for endurance Precision-crafted turbocharger to restore optimal engine boost Enhanced combustion efficiency for improved fuel economy and lower...
    $10,833.23
    $9,896.15
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $10,833.23
    $9,896.15
    Subtotal:
  • CUMMINS 4024793 - .010 MAIN BEARING SET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4024793 .010 MAIN BEARING SET Original OEM part

    CUMMINS

    $11,986.50
    $10,949.67
    Engineered for peak performance and rugged durability High-precision main bearing set designed for flawless engine alignment Reduces wear and maintains optimal lubrication under demanding...
    $11,986.50
    $10,949.67
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $11,986.50
    $10,949.67
    Subtotal:
  • CUMMINS 4024753 - HEX HEAD CAPSCREW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4024753 HEX HEAD CAPSCREW Original OEM part

    CUMMINS

    $11.73
    $10.71
    Engineered for Excellence: Precision-crafted to meet Cummins' rigorous standards for durability and fit. Robust Corrosion Resistance: Designed to withstand harsh environments, ensuring longevity and...
    $11.73
    $10.71
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $11.73
    $10.71
    Subtotal:
  • CUMMINS 4024746 - FAN HUB - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4024746 FAN HUB Original OEM part

    CUMMINS

    $290.37
    $265.25
    Cummins 4024746 - FAN HUB MINS4024746 Find top-grade durability with the Cummins 4024746 - FAN HUB available at our store. Rest assured of superior quality and a perfect fit for your outdoor...
    $290.37
    $265.25
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $290.37
    $265.25
    Subtotal:
  • CUMMINS 4024671 - STARTER GASKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4024671 STARTER GASKET Original OEM part

    CUMMINS

    $68.77
    $62.82
    Precision engineered for dependable starts every time Durable gasket design that seals perfectly to prevent leaks Original OEM component by Cummins ensuring full compatibility and...
    $68.77
    $62.82
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $68.77
    $62.82
    Subtotal:
  • CUMMINS 4023068 - FILTER BRACE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4023068 FILTER BRACE Original OEM part

    CUMMINS

    $152.69
    $139.49
    Engineered for Unmatched Durability: Reinforce your filtration system with a part built to last. Precision Fit for Seamless Integration: Guaranteed compatibility with Cummins systems for smooth...
    $152.69
    $139.49
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $152.69
    $139.49
    Subtotal:
  • CUMMINS 4022730 - WATER MANIFOLD - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4022730 WATER MANIFOLD Original OEM part

    CUMMINS

    $147.72
    $134.94
    Engineered Excellence to Sustain Peak Performance Precision-crafted water passage design for optimal coolant flow and engine temperature control Robust construction to withstand high thermal and...
    $147.72
    $134.94
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $147.72
    $134.94
    Subtotal:
  • CUMMINS 4021266 - PLAIN HOSE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4021266 PLAIN HOSE Original OEM part

    CUMMINS

    $48.29
    $44.12
    Engineered precision for peak system reliability Resilient construction for extended service life Certified genuine OEM from Cummins for guaranteed compatibility CUMMINS 4021266 PLAIN HOSE – Power...
    $48.29
    $44.12
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $48.29
    $44.12
    Subtotal:
  • CUMMINS 4021199 - PUMP BRACKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4021199 PUMP BRACKET Original OEM part

    CUMMINS

    $425.92
    $389.07
    Engineered for Endurance, Designed for Dependability Precision-crafted Pump Bracket for Optimal Alignment Robust Construction Enhances Durability Under Demanding Conditions 100% Genuine OEM CUMMINS...
    $425.92
    $389.07
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $425.92
    $389.07
    Subtotal:
  • CUMMINS 4020846 - MALE CONNECTOR - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4020846 MALE CONNECTOR Original OEM part

    CUMMINS

    $119.35
    $109.03
    Cummins 4020846 - MALE CONNECTOR MINS4020846 When it comes to finding authentic replacement parts like the 4020846 - MALE CONNECTOR, trust in Cummins to deliver excellence in quality. At our online...
    $119.35
    $109.03
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $119.35
    $109.03
    Subtotal:
  • CUMMINS 4020492 - FLYWHEEL HOUSING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4020492 FLYWHEEL HOUSING Original OEM part

    CUMMINS

    $5,202.44
    $4,752.43
    Precision-engineered to uphold Cummins’ legacy of power and reliability Robust construction ensuring long-lasting durability under demanding conditions Designed for exact compatibility with Cummins...
    $5,202.44
    $4,752.43
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5,202.44
    $4,752.43
    Subtotal:
  • CUMMINS 4020045 - MALE UNION ELBOW - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4020045 MALE UNION ELBOW Original OEM part

    CUMMINS

    $119.15
    $108.84
    Cummins 4020045 - MALE UNION ELBOW MINS4020045 Find superior quality with the 4020045 - MALE UNION ELBOW by Cummins, SKU MINS4020045. Our online store stands out as your top choice for original...
    $119.15
    $108.84
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $119.15
    $108.84
    Subtotal:
  • CUMMINS 4019852 - BREATHER BRACKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4019852 BREATHER BRACKET Original OEM part

    CUMMINS

    $1,036.22
    $946.58
    Precision-engineered to uphold Cummins' legacy of reliability Durable construction ensures optimal breather function and engine protection Maintains engine health by facilitating effective...
    $1,036.22
    $946.58
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,036.22
    $946.58
    Subtotal:
  • CUMMINS 4019751 - TUBE BRACE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4019751 TUBE BRACE Original OEM part

    CUMMINS

    $89.57
    $81.82
    Engineered for enduring strength and precision — trust in the integrity of Cummins innovation. Robust tube brace construction designed to stabilize critical engine components under demanding...
    $89.57
    $81.82
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $89.57
    $81.82
    Subtotal:
  • CUMMINS 4019610 - FILTER BRACKET - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4019610 FILTER BRACKET Original OEM part

    CUMMINS

    $117.80
    $107.62
    Engineered to empower your power system’s backbone Durable construction crafted for unwavering support of filtration components Precision OEM design guarantees flawless compatibility and...
    $117.80
    $107.62
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $117.80
    $107.62
    Subtotal:
  • CUMMINS 4019583 - AIR CLEANER BRACKET - Original OEM part
    Add to Cart

    CUMMINS 4019583 AIR CLEANER BRACKET Original OEM part

    CUMMINS

    $172.34
    $157.43
    Cummins 4019583 - AIR CLEANER BRACKET MINS4019583 Find the authentic Cummins 4019583 - AIR CLEANER BRACKET at our store, your ultimate destination for original replacement parts. Ensure the perfect...
    $172.34
    $157.43
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $172.34
    $157.43
    Subtotal:
  • CUMMINS 4019521 - FLEXIBLE HOSE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4019521 FLEXIBLE HOSE Original OEM part

    CUMMINS

    $2,659.32
    $2,429.29
    Engineered for Endurance: Maintain unmatched power system integrity with precision-crafted Cummins components. Optimal Flexibility: Designed to withstand vibrations and thermal changes, ensuring...
    $2,659.32
    $2,429.29
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,659.32
    $2,429.29
    Subtotal:
  • CUMMINS 4019520 - FLEXIBLE HOSE - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4019520 FLEXIBLE HOSE Original OEM part

    CUMMINS

    $2,573.46
    $2,350.86
    Precision engineered for superior durability and leak-free operation Designed to withstand high temperatures and pressure fluctuations with ease 100% genuine OEM Cummins component, ensuring perfect...
    $2,573.46
    $2,350.86
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,573.46
    $2,350.86
    Subtotal:
  • CUMMINS 4019515 - HEAT EXCHANGER HOUSING - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4019515 HEAT EXCHANGER HOUSING Original OEM part

    CUMMINS

    $5,655.50
    $5,166.30
    Cummins 4019515 - HEAT EXCHANGER HOUSING MINS4019515 Discover the genuine quality of the MINS4019515 - HEAT EXCHANGER HOUSING by Cummins at our store. We assure you of the best price and fast...
    $5,655.50
    $5,166.30
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5,655.50
    $5,166.30
    Subtotal:
  • CUMMINS 4019514 - HEAT EXCHANGER COVER - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4019514 HEAT EXCHANGER COVER Original OEM part

    CUMMINS

    $4,758.97
    $4,347.32
    Cummins 4019514 - HEAT EXCHANGER COVER MINS4019514 When it comes to finding authentic replacement parts like the 4019514 - HEAT EXCHANGER COVER for your outdoor equipment, trust Cummins, a renowned...
    $4,758.97
    $4,347.32
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,758.97
    $4,347.32
    Subtotal:
  • CUMMINS 4019473 - SHIM - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4019473 SHIM Original OEM part

    CUMMINS

    $28.40
    $25.95
    Designed for precision and engineered reliability Ensures exact clearance adjustment to maintain optimal engine function Manufactured to Cummins OEM specifications guaranteeing seamless...
    $28.40
    $25.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $28.40
    $25.95
    Subtotal:
  • CUMMINS 4017663 - HEAT SHIELD - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4017663 HEAT SHIELD Original OEM part

    CUMMINS

    $1,193.83
    $1,090.56
    Cummins 4017663 - HEAT SHIELD MINS4017663 Discover the authenticity and quality of the Cummins 4017663 Heat Shield at our online store. As the premier destination for genuine replacement parts, we...
    $1,193.83
    $1,090.56
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,193.83
    $1,090.56
    Subtotal:
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