Wire Harnesses

Genuine Wire Harnesses for Diesel Engines by Onan, Cummins & Fleetguard

Upgrade your diesel engine's electrical system with our premium wire harnesses, designed specifically for Onan, Cummins, and Fleetguard power engines. Our genuine wire harnesses ensure seamless connectivity and durability, critical for maintaining engine efficiency and safety.

Wire Harnesses & Electrical Wiring Solutions for Reliable Power Engines

Our catalog features expertly crafted wiring harnesses, complete wire assemblies, and connector kits that meet rigorous OEM standards. Whether you need replacement parts or upgrades, our wire harnesses guarantee robust performance under demanding conditions.

  • OEM Quality: Authentic parts engineered to fit perfectly with Onan, Cummins, and Fleetguard diesel engines.
  • Durability: Resistant to heat, vibration, and corrosion for long-lasting service life.
  • Enhanced Engine Performance: Ensures optimal electrical flow, reducing downtime and maintenance costs.

Why Choose Our Wire Harnesses? We provide genuine, brand-specific wire harnesses that combine expert craftsmanship with reliable performance, ensuring your diesel engines operate efficiently and safely every time.

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  • CUMMINS 4997026 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4997026 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $2,435.80
    $2,225.11
    Precision engineered for seamless power integration Ensures flawless communication between control modules and power systems Durable construction built to withstand harsh operating...
    $2,435.80
    $2,225.11
    Add to Cart
    Qty in Cart: 0
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    Price:
    $2,435.80
    $2,225.11
    Subtotal:
  • CUMMINS 4997024 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4997024 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $1,243.19
    $1,135.66
    Engineered precision delivering flawless connectivity for your Cummins system Robust wiring harness designed to maintain optimal control module communication Ensures consistent power system...
    $1,243.19
    $1,135.66
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,243.19
    $1,135.66
    Subtotal:
  • CUMMINS 4996703 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4996703 WIRING HARNESS Original OEM part

    CUMMINS

    $3,587.82
    $3,277.47
    Precision-engineered connectivity: Ensures seamless electrical integration for peak system performance. Durability and resilience: Designed to withstand harsh operating conditions and extend engine...
    $3,587.82
    $3,277.47
    Add to Cart
    Qty in Cart: 0
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    Price:
    $3,587.82
    $3,277.47
    Subtotal:
  • CUMMINS 4996585 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4996585 WIRING HARNESS Original OEM part

    CUMMINS

    $2,725.50
    $2,489.75
    Cummins 4996585 - WIRING HARNESS MINS4996585 When it comes to sourcing reliable replacement parts for outdoor equipment, look no further than our store. We supply only genuine products like the...
    $2,725.50
    $2,489.75
    Add to Cart
    Qty in Cart: 0
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    Price:
    $2,725.50
    $2,489.75
    Subtotal:
  • CUMMINS 4995591 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4995591 WIRING HARNESS Original OEM part

    CUMMINS

    $56.79
    $51.88
    Precision-crafted reliability for your power system’s heart. Engineered to maintain optimal electrical flow and system integrity. Designed to resist wear and environmental stress for long-term...
    $56.79
    $51.88
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $56.79
    $51.88
    Subtotal:
  • CUMMINS 4995590 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4995590 WIRING HARNESS Original OEM part

    CUMMINS

    $95.19
    $86.96
    Power your Cummins engine with precision and reliability. Designed to deliver seamless electrical connectivity for unmatched performance. Engineered to withstand harsh environments ensuring...
    $95.19
    $86.96
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $95.19
    $86.96
    Subtotal:
  • CUMMINS 4995589 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4995589 WIRING HARNESS Original OEM part

    CUMMINS

    $134.23
    $122.62
    Precision-crafted for seamless power connectivity. Designed to optimize engine control and signal integrity. Durable construction to withstand harsh operating environments. 100% Genuine OEM Cummins...
    $134.23
    $122.62
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $134.23
    $122.62
    Subtotal:
  • CUMMINS 4995199 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4995199 WIRING HARNESS Original OEM part

    CUMMINS

    $2,573.46
    $2,350.86
    Cummins 4995199 - WIRING HARNESS MINS4995199 Find the perfect match for your needs with the "4995199 - WIRING HARNESS" from Cummins. Our store offers authentic replacement parts ensuring top-notch...
    $2,573.46
    $2,350.86
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,573.46
    $2,350.86
    Subtotal:
  • CUMMINS 4991804 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4991804 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $2,415.60
    $2,206.66
    Engineered for seamless integration and dependable power management Robust design ensures consistent signal transmission under demanding conditions Constructed with OEM quality to maintain full...
    $2,415.60
    $2,206.66
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,415.60
    $2,206.66
    Subtotal:
  • CUMMINS 4990490 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4990490 WIRING HARNESS Original OEM part

    CUMMINS

    $5,914.72
    $5,403.09
    Precision-engineered connectivity for dependable power system communication Durable design resists wear, corrosion, and environmental stresses for extended service life 100% Genuine Cummins OEM...
    $5,914.72
    $5,403.09
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5,914.72
    $5,403.09
    Subtotal:
  • CUMMINS 4989043 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4989043 WIRING HARNESS Original OEM part

    CUMMINS

    $1,759.46
    $1,607.27
    Experience unmatched electrical integrity tailored for Cummins engines Designed for rugged longevity ensuring consistent power distribution Precision-crafted OEM wiring harness for perfect fit and...
    $1,759.46
    $1,607.27
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,759.46
    $1,607.27
    Subtotal:
  • CUMMINS 4988598 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4988598 WIRING HARNESS Original OEM part

    CUMMINS

    $2,282.02
    $2,084.62
    Engineered for Precision and Durability Seamless Electrical Connectivity Genuine OEM Component from Cummins CUMMINS 4988598 WIRING HARNESS - Power Your System with Confidence and...
    $2,282.02
    $2,084.62
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,282.02
    $2,084.62
    Subtotal:
  • CUMMINS 4987670 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4987670 WIRING HARNESS Original OEM part

    CUMMINS

    $489.00
    $446.71
    Keep your power system flawlessly connected with precision-engineered wiring. Durable construction designed for long-lasting service in demanding environments. Ensures accurate signal transmission...
    $489.00
    $446.71
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $489.00
    $446.71
    Subtotal:
  • CUMMINS 4987668 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4987668 WIRING HARNESS Original OEM part

    CUMMINS

    $413.65
    $377.87
    Precision connectivity engineered for lasting power Robust design that guarantees flawless electrical communication Reliable fitment crafted exclusively by Cummins for superior compatibility 100%...
    $413.65
    $377.87
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $413.65
    $377.87
    Subtotal:
  • CUMMINS 4984049 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4984049 WIRING HARNESS Original OEM part

    CUMMINS

    $321.12
    $293.34
    Engineered for precision, built to endure Ensures flawless electrical connectivity for dependable engine operation Designed to resist wear, corrosion, and vibration under demanding conditions 100%...
    $321.12
    $293.34
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $321.12
    $293.34
    Subtotal:
  • CUMMINS 4984048 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4984048 WIRING HARNESS Original OEM part

    CUMMINS

    $147.50
    $134.75
    Cummins 4984048 - WIRING HARNESS MINS4984048 Discover the Cummins 4984048 - WIRING HARNESS, crafted to perfection for your outdoor equipment. Our store is your go-to destination for genuine...
    $147.50
    $134.75
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $147.50
    $134.75
    Subtotal:
  • CUMMINS 4984047 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4984047 WIRING HARNESS Original OEM part

    CUMMINS

    $129.35
    $118.16
    Engineered to connect, designed to endure – the heart of your Cummins power. Precision-fit wiring harness ensuring flawless electrical communication within your engine system. Durable construction...
    $129.35
    $118.16
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $129.35
    $118.16
    Subtotal:
  • CUMMINS 4983372 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4983372 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $1,588.37
    $1,450.98
    Precision engineered to power your Cummins system flawlessly Seamless compatibility with external control modules for efficient operation Durable wiring harness designed to withstand demanding...
    $1,588.37
    $1,450.98
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,588.37
    $1,450.98
    Subtotal:
  • CUMMINS 4981935 - HARNESS ETR CNT MDL WRG - Original OEM part
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    CUMMINS 4981935 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $1,383.50
    $1,263.83
    Engineered to Perform, Built to Last — Genuine Cummins Excellence Inside. Precisely Crafted Wiring Harness for Reliable Control Module Integration. Robust Construction Ensures Enduring Electrical...
    $1,383.50
    $1,263.83
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,383.50
    $1,263.83
    Subtotal:
  • CUMMINS 4981934 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4981934 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $2,276.99
    $2,080.03
    Precision-engineered connectivity for flawless communication within your Cummins power system. Durability under extreme conditions ensures consistent operation and prolonged wiring integrity...
    $2,276.99
    $2,080.03
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,276.99
    $2,080.03
    Subtotal:
  • CUMMINS 4978990 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4978990 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $903.12
    $825.00
    Engineered for Excellence, Built to Endure Precision-crafted wiring harness for seamless external control integration Durable construction designed to withstand harsh operating conditions 100%...
    $903.12
    $825.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $903.12
    $825.00
    Subtotal:
  • CUMMINS 4978811 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4978811 WIRING HARNESS Original OEM part

    CUMMINS

    $1,729.20
    $1,579.63
    Designed to deliver flawless connectivity for uninterrupted power solutions Precision-engineered wiring harness improves engine communication and durability Engineered for exact fitment and full...
    $1,729.20
    $1,579.63
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,729.20
    $1,579.63
    Subtotal:
  • CUMMINS 4978602 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4978602 WIRING HARNESS Original OEM part

    CUMMINS

    $4,061.20
    $3,709.91
    Cummins 4978602 - WIRING HARNESS MINS4978602 Find your solution with the Cummins 4978602 Wiring Harness. Ensure seamless functionality and compatibility for your outdoor equipment. Trust in our...
    $4,061.20
    $3,709.91
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,061.20
    $3,709.91
    Subtotal:
  • CUMMINS 4974216 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4974216 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $1,730.22
    $1,580.55
    Precision engineered for seamless integration Durable construction ensures long-lasting service under demanding conditions Optimized wiring harness designed to maintain full system...
    $1,730.22
    $1,580.55
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,730.22
    $1,580.55
    Subtotal:
  • CUMMINS 4973488 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4973488 WIRING HARNESS Original OEM part

    CUMMINS

    $479.85
    $438.34
    Cummins 4973488 - WIRING HARNESS MINS4973488 We are proud to offer the authentic "4973488 - WIRING HARNESS" by Cummins, known for its durability and quality. Trust us as your one-stop shop for...
    $479.85
    $438.34
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $479.85
    $438.34
    Subtotal:
  • CUMMINS 4973487 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4973487 WIRING HARNESS Original OEM part

    CUMMINS

    $264.27
    $241.41
    Precision engineered for uninterrupted power flow and lasting reliability Designed to maintain optimal electrical connections under demanding conditions Constructed with high-quality materials for...
    $264.27
    $241.41
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $264.27
    $241.41
    Subtotal:
  • CUMMINS 4973486 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4973486 WIRING HARNESS Original OEM part

    CUMMINS

    $381.10
    $348.14
    Excellence embedded in every connection Engineered for precise electrical integrity ensuring optimal generator performance Durable design built to withstand rigorous operational...
    $381.10
    $348.14
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $381.10
    $348.14
    Subtotal:
  • CUMMINS 4970888 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4970888 WIRING HARNESS Original OEM part

    CUMMINS

    $5,660.45
    $5,170.82
    Engineered precision, trusted longevity Superior connectivity ensuring optimal electrical performance Robust design to withstand demanding environments 100% genuine OEM Cummins component...
    $5,660.45
    $5,170.82
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5,660.45
    $5,170.82
    Subtotal:
  • CUMMINS 4970142 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4970142 WIRING HARNESS Original OEM part

    CUMMINS

    $2,020.87
    $1,846.07
    Engineered to uphold Cummins' legacy of power and precision wiring solutions Designed for flawless electrical connectivity and extended service life Constructed from premium materials ensuring...
    $2,020.87
    $1,846.07
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,020.87
    $1,846.07
    Subtotal:
  • CUMMINS 4970008 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4970008 WIRING HARNESS Original OEM part

    CUMMINS

    $171.68
    $156.83
    Engineered to empower your Cummins system with flawless connectivity Durable design ensures consistent signal transmission under demanding conditions Protects your investment with genuine OEM...
    $171.68
    $156.83
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $171.68
    $156.83
    Subtotal:
  • CUMMINS 4969723 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4969723 WIRING HARNESS Original OEM part

    CUMMINS

    $498.36
    $455.25
    Engineered Precision, Trusted Connectivity Robust design for seamless electrical integration Durable materials ensuring long-term operational stability 100% Genuine Cummins OEM part for guaranteed...
    $498.36
    $455.25
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $498.36
    $455.25
    Subtotal:
  • CUMMINS 4969706 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4969706 WIRING HARNESS Original OEM part

    CUMMINS

    $602.04
    $549.96
    Engineered for seamless power transmission in critical systems Durable design to withstand harsh operating environments Certified genuine OEM part from Cummins for guaranteed compatibility CUMMINS...
    $602.04
    $549.96
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $602.04
    $549.96
    Subtotal:
  • CUMMINS 4969705 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4969705 WIRING HARNESS Original OEM part

    CUMMINS

    $308.56
    $281.87
    Precision engineered for seamless power delivery and system integrity Durable design crafted to withstand demanding operating conditions Ensures optimal electrical connectivity to support engine...
    $308.56
    $281.87
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $308.56
    $281.87
    Subtotal:
  • CUMMINS 4969632 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4969632 WIRING HARNESS Original OEM part

    CUMMINS

    $480.76
    $439.18
    Precision engineered for perfect connectivity and consistent power delivery. Robust construction ensuring resistance against heat, vibration, and wear. Genuine Cummins OEM component guarantees full...
    $480.76
    $439.18
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $480.76
    $439.18
    Subtotal:
  • CUMMINS 4969631 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4969631 WIRING HARNESS Original OEM part

    CUMMINS

    $482.97
    $441.20
    Engineered precision for seamless power connectivity Durable wiring harness designed for optimal signal transmission Corrosion-resistant materials ensuring long-term reliability Certified genuine...
    $482.97
    $441.20
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $482.97
    $441.20
    Subtotal:
  • CUMMINS 4969119 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4969119 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $9,328.66
    $8,521.73
    Precision-engineered for seamless integration in Cummins control systems Durable wiring harness designed to withstand harsh operating conditions Ensures optimal communication between external...
    $9,328.66
    $8,521.73
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9,328.66
    $8,521.73
    Subtotal:
  • CUMMINS 4969118 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4969118 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $4,616.90
    $4,217.54
    Cummins 4969118 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS4969118 Explore our selection and discover the genuine original 4969118 - EXTERNAL CONTROL MODULE WIRING HARNESS from Cummins. With our...
    $4,616.90
    $4,217.54
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,616.90
    $4,217.54
    Subtotal:
  • CUMMINS 4967360 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4967360 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $4,859.82
    $4,439.44
    Engineered Precision for Unrivaled Control Robust Wiring Harness Ensuring Seamless Signal Transmission Durable Construction Built to Withstand Harsh Environments 100% Genuine OEM Cummins Part,...
    $4,859.82
    $4,439.44
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,859.82
    $4,439.44
    Subtotal:
  • CUMMINS 4964720 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4964720 WIRING HARNESS Original OEM part

    CUMMINS

    $4,297.58
    $3,925.84
    Cummins 4964720 - WIRING HARNESS MINS4964720 Find the reliable 4964720 - WIRING HARNESS by Cummins at our store. Crafted with precision, this wiring harness ensures top-notch performance for your...
    $4,297.58
    $3,925.84
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,297.58
    $3,925.84
    Subtotal:
  • CUMMINS 4964244 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4964244 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $4,884.50
    $4,462.00
    Engineered for endurance, designed for precision: the heart of your power system wiring. Seamless integration: engineered specifically to ensure accurate signal transmission and optimal control...
    $4,884.50
    $4,462.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,884.50
    $4,462.00
    Subtotal:
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