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 4101085 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4101085 WIRING HARNESS Original OEM part

    CUMMINS

    $1,111.19
    $1,015.08
    Engineered for seamless integration and dependable power delivery Robust insulation ensures enhanced durability and resistance to harsh operating conditions Designed exclusively as an OEM Cummins...
    $1,111.19
    $1,015.08
    Add to Cart
    Qty in Cart: 0
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    Price:
    $1,111.19
    $1,015.08
    Subtotal:
  • CUMMINS 4099266 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4099266 WIRING HARNESS Original OEM part

    CUMMINS

    $5,821.90
    $5,318.31
    Engineered for Precision, Built for Dependability Delivers flawless electrical connectivity to maximize generator performance Designed to withstand harsh environments, ensuring sustained operational...
    $5,821.90
    $5,318.31
    Add to Cart
    Qty in Cart: 0
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    Price:
    $5,821.90
    $5,318.31
    Subtotal:
  • CUMMINS 4099264 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4099264 WIRING HARNESS Original OEM part

    CUMMINS

    $3,651.90
    $3,336.02
    Experience seamless electrical integration engineered for dependable power delivery. Designed to withstand harsh environments, ensuring prolonged durability and performance. Certified genuine OEM...
    $3,651.90
    $3,336.02
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $3,651.90
    $3,336.02
    Subtotal:
  • CUMMINS 4099262 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4099262 WIRING HARNESS Original OEM part

    CUMMINS

    $11,030.09
    $10,075.99
    Cummins 4099262 - WIRING HARNESS MINS4099262 Discover the authentic Cummins 4099262 - WIRING HARNESS at our online store, your top destination for quality replacement parts. Engineered to exact...
    $11,030.09
    $10,075.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $11,030.09
    $10,075.99
    Subtotal:
  • CUMMINS 4099260 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4099260 WIRING HARNESS Original OEM part

    CUMMINS

    $4,314.59
    $3,941.38
    Reliability Engineered for Peak Performance Precision-fit Wiring Harness for Seamless Compatibility Durable Materials Built for Extended Service Life 100% Genuine OEM from Cummins, Ensuring Safe and...
    $4,314.59
    $3,941.38
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,314.59
    $3,941.38
    Subtotal:
  • CUMMINS 4099251 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4099251 WIRING HARNESS Original OEM part

    CUMMINS

    $1,350.37
    $1,233.56
    Cummins 4099251 - WIRING HARNESS MINS4099251 Our store proudly offers the genuine Cummins 4099251 - WIRING HARNESS, ensuring optimal compatibility and performance for your outdoor equipment. With a...
    $1,350.37
    $1,233.56
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,350.37
    $1,233.56
    Subtotal:
  • CUMMINS 4098413 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4098413 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $5,482.22
    $5,008.00
    Precision engineered connectivity for unwavering power control Durable, corrosion-resistant wiring harness designed for peak performance Seamless integration with Cummins control modules ensuring...
    $5,482.22
    $5,008.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5,482.22
    $5,008.00
    Subtotal:
  • CUMMINS 4098411 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4098411 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $11,387.22
    $10,402.22
    Precision-engineered for unmatched control reliability Seamlessly integrates with Cummins power systems for optimal functionality Durable wiring harness designed to withstand demanding operational...
    $11,387.22
    $10,402.22
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $11,387.22
    $10,402.22
    Subtotal:
  • CUMMINS 4097649 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4097649 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $14,198.79
    $12,970.60
    Engineered for Precision and Reliability: Ensure your power system operates flawlessly with the Cummins OEM wiring harness. Durable Construction: Crafted to withstand demanding conditions and extend...
    $14,198.79
    $12,970.60
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14,198.79
    $12,970.60
    Subtotal:
  • CUMMINS 4096901 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4096901 WIRING HARNESS Original OEM part

    CUMMINS

    $7,668.59
    $7,005.26
    Engineered Precision: Experience flawless electrical connectivity tailored for Cummins power systems. Durability Guaranteed: Built to withstand demanding operational conditions ensuring long-term...
    $7,668.59
    $7,005.26
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7,668.59
    $7,005.26
    Subtotal:
  • CUMMINS 4096485 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4096485 WIRING HARNESS Original OEM part

    CUMMINS

    $9,556.52
    $8,729.88
    Precision crafted to energize your power system with uncompromising quality Engineered to deliver flawless electrical connectivity in demanding environments Robust design to enhance system...
    $9,556.52
    $8,729.88
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9,556.52
    $8,729.88
    Subtotal:
  • CUMMINS 4096434 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4096434 WIRING HARNESS Original OEM part

    CUMMINS

    $14,476.50
    $13,224.29
    Precision engineered for unwavering performance and reliability. Robust wiring design ensures efficient power transmission and system integrity. Manufactured by Cummins as a genuine OEM component,...
    $14,476.50
    $13,224.29
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14,476.50
    $13,224.29
    Subtotal:
  • CUMMINS 4090553 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4090553 WIRING HARNESS Original OEM part

    CUMMINS

    $2,525.84
    $2,307.35
    Precision-engineered to ensure flawless connectivity within your Cummins engine system Designed for long-lasting durability under demanding operational conditions Guaranteed OEM quality for perfect...
    $2,525.84
    $2,307.35
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,525.84
    $2,307.35
    Subtotal:
  • CUMMINS 4089188 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4089188 WIRING HARNESS Original OEM part

    CUMMINS

    $9,220.80
    $8,423.21
    Power your Cummins engine with precision and trust engineered for endurance. Optimized electrical connectivity ensures flawless signal transmission for superior engine control. Durably constructed...
    $9,220.80
    $8,423.21
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9,220.80
    $8,423.21
    Subtotal:
  • CUMMINS 4086081 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4086081 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $7,660.74
    $6,998.08
    Engineered for excellence, built to empower your power system. Seamless integration: ensures flawless communication between engine components. Durability under pressure: built to withstand harsh...
    $7,660.74
    $6,998.08
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7,660.74
    $6,998.08
    Subtotal:
  • CUMMINS 4080550 - WIRING HARNESS - Original OEM part - Image 1
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    CUMMINS 4080550 WIRING HARNESS Original OEM part

    CUMMINS

    $656.48
    $599.70
    Engineered Precision for Unmatched Connectivity Reliable electrical integration enhances generator efficiency Robust design to withstand demanding operational environments Certified OEM component...
    $656.48
    $599.70
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $656.48
    $599.70
    Subtotal:
  • CUMMINS 4070057 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4070057 WIRING HARNESS Original OEM part

    CUMMINS

    $1,857.06
    $1,696.43
    Engineered Precision for Unwavering Power Delivery Durable Construction Ensures Long-Term Reliability Designed Specifically to Meet Cummins Rigorous Standards Authentic OEM component from Cummins...
    $1,857.06
    $1,696.43
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,857.06
    $1,696.43
    Subtotal:
  • CUMMINS 4070056 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4070056 WIRING HARNESS Original OEM part

    CUMMINS

    $1,597.09
    $1,458.95
    Engineered Precision, Unrivaled Reliability Optimized Connectivity for Peak Engine Performance Durability to Withstand Harsh Operating Conditions 100% Genuine OEM Part from Cummins, Designed for...
    $1,597.09
    $1,458.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,597.09
    $1,458.95
    Subtotal:
  • CUMMINS 4068024 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4068024 WIRING HARNESS Original OEM part

    CUMMINS

    $2,646.55
    $2,417.62
    Cummins 4068024 - WIRING HARNESS MINS4068024 Find peace of mind with the 4068024 - WIRING HARNESS by Cummins. Our store is your go-to destination for authentic replacement parts, ensuring optimal...
    $2,646.55
    $2,417.62
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,646.55
    $2,417.62
    Subtotal:
  • CUMMINS 4067815 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4067815 WIRING HARNESS Original OEM part

    CUMMINS

    $999.37
    $912.93
    Precision connectivity engineered for uncompromising power delivery. Durable design assures long-term reliability under demanding conditions. Factory-tested OEM wiring harness tailored to CUMMINS...
    $999.37
    $912.93
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $999.37
    $912.93
    Subtotal:
  • CUMMINS 4066653 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4066653 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $2,191.80
    $2,002.21
    Precision engineered for seamless power management High-durability wiring for consistent electrical integrity Optimized design to maintain system reliability under demanding conditions 100% genuine...
    $2,191.80
    $2,002.21
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,191.80
    $2,002.21
    Subtotal:
  • CUMMINS 4066652 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4066652 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $1,943.00
    $1,774.94
    Unleash dependable power with precision-engineered Cummins components Engineered to deliver flawless signal transmission for control module efficiency Designed for durability under demanding...
    $1,943.00
    $1,774.94
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,943.00
    $1,774.94
    Subtotal:
  • CUMMINS 4065275 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4065275 WIRING HARNESS Original OEM part

    CUMMINS

    $4,854.40
    $4,434.50
    Cummins 4065275 - WIRING HARNESS MINS4065275 Upgrade your outdoor equipment with the genuine "4065275 - WIRING HARNESS" from Cummins. Our store offers the best price for this high-quality...
    $4,854.40
    $4,434.50
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4,854.40
    $4,434.50
    Subtotal:
  • CUMMINS 4060578 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4060578 WIRING HARNESS Original OEM part

    CUMMINS

    $2,879.03
    $2,629.99
    Cummins 4060578 - WIRING HARNESS MINS4060578 Our store proudly offers the authentic Cummins 4060578 - WIRING HARNESS, meticulously designed to meet the highest standards of quality and performance...
    $2,879.03
    $2,629.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,879.03
    $2,629.99
    Subtotal:
  • CUMMINS 4060464 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4060464 WIRING HARNESS Original OEM part

    CUMMINS

    $3,906.79
    $3,568.86
    Precision engineered to keep your power flowing with Cummins dependability. Robust design for reliable signal transmission under demanding conditions. Durable insulation and connectors that resist...
    $3,906.79
    $3,568.86
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $3,906.79
    $3,568.86
    Subtotal:
  • CUMMINS 4025182 - HARNESS WIRING - Image 1
    Add to Cart

    CUMMINS 4025182 WIRING HARNESS Original OEM part

    CUMMINS

    $116.69
    $106.60
    Cummins 4025182 - WIRING HARNESS MINS4025182 With the MINS4025182 wiring harness from Cummins, you can trust in the quality and reliability of an original replacement part. Our store offers this...
    $116.69
    $106.60
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $116.69
    $106.60
    Subtotal:
  • CUMMINS 4020070 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4020070 WIRING HARNESS Original OEM part

    CUMMINS

    $1,568.57
    $1,432.89
    Cummins 4020070 - WIRING HARNESS MINS4020070 Upgrade your equipment with the top-quality 4020070 - WIRING HARNESS from Cummins. Trust us for authentic, original parts to ensure your lawn mower or...
    $1,568.57
    $1,432.89
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,568.57
    $1,432.89
    Subtotal:
  • CUMMINS 4017424 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4017424 WIRING HARNESS Original OEM part

    CUMMINS

    $1,762.36
    $1,609.92
    Precision-engineered wiring solutions tailored for CUMMINS power systems Optimizes electrical connectivity to maintain uninterrupted engine performance Designed to withstand harsh conditions...
    $1,762.36
    $1,609.92
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,762.36
    $1,609.92
    Subtotal:
  • CUMMINS 4017328 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4017328 WIRING HARNESS Original OEM part

    CUMMINS

    $1,680.00
    $1,534.68
    Cummins 4017328 - WIRING HARNESS MINS4017328 Elevate the performance of your outdoor equipment with the authentic "4017328 - WIRING HARNESS" by Cummins, SKU "MINS4017328". Our store is your ultimate...
    $1,680.00
    $1,534.68
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,680.00
    $1,534.68
    Subtotal:
  • CUMMINS 4016921 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4016921 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part

    CUMMINS

    $656.72
    $599.91
    Precision-engineered connectivity for optimal control system performance. Durable design ensures long-lasting, trouble-free operation under demanding conditions. Fully compatible and certified...
    $656.72
    $599.91
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $656.72
    $599.91
    Subtotal:
  • CUMMINS 4015330 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4015330 WIRING HARNESS Original OEM part

    CUMMINS

    $8,662.29
    $7,913.01
    Precision crafted for seamless power connectivity Durable wiring design optimized for harsh environments Facilitates efficient engine communication and control Authentic Cummins OEM component...
    $8,662.29
    $7,913.01
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $8,662.29
    $7,913.01
    Subtotal:
  • CUMMINS 4013111 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4013111 WIRING HARNESS Original OEM part

    CUMMINS

    $6,660.00
    $6,083.91
    Cummins 4013111 - WIRING HARNESS MINS4013111 When it comes to replacing the wiring harness in your outdoor equipment, the original 4013111 Wiring Harness by Cummins is a top-quality choice. Our...
    $6,660.00
    $6,083.91
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $6,660.00
    $6,083.91
    Subtotal:
  • CUMMINS 4013110 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4013110 WIRING HARNESS Original OEM part

    CUMMINS

    $6,290.23
    $5,746.12
    Engineered for flawless integration, delivering consistent power and communication across your generator system. High-quality wiring construction ensures superior resistance to heat, vibration, and...
    $6,290.23
    $5,746.12
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $6,290.23
    $5,746.12
    Subtotal:
  • CUMMINS 4012752 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4012752 WIRING HARNESS Original OEM part

    CUMMINS

    $14,758.52
    $13,481.90
    Experience seamless power connectivity with precision-engineered Cummins wiring solutions Designed for optimal electrical flow, enhancing system reliability Constructed to withstand rigorous...
    $14,758.52
    $13,481.90
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14,758.52
    $13,481.90
    Subtotal:
  • CUMMINS 4012751 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4012751 WIRING HARNESS Original OEM part

    CUMMINS

    $9,847.23
    $8,995.44
    Precision crafted for seamless power system integration Durable design ensures long-lasting performance under demanding conditions Genuine OEM Cummins component guarantees perfect fit and...
    $9,847.23
    $8,995.44
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9,847.23
    $8,995.44
    Subtotal:
  • CUMMINS 4011805 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4011805 WIRING HARNESS Original OEM part

    CUMMINS

    $6,523.49
    $5,959.21
    Precision-crafted to power your Cummins engine's heartbeat Exceptional connectivity for flawless electrical performance Durable design engineered to withstand harsh operating conditions 100% Genuine...
    $6,523.49
    $5,959.21
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $6,523.49
    $5,959.21
    Subtotal:
  • CUMMINS 4011804 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4011804 WIRING HARNESS Original OEM part

    CUMMINS

    $6,981.84
    $6,377.91
    Engineered for Unmatched Reliability: Experience precision-crafted wiring harness design delivering consistent electrical connectivity under all operating conditions. Durability Meets Performance:...
    $6,981.84
    $6,377.91
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $6,981.84
    $6,377.91
    Subtotal:
  • CUMMINS 4011599 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4011599 WIRING HARNESS Original OEM part

    CUMMINS

    $12,360.67
    $11,291.47
    Cummins 4011599 - WIRING HARNESS MINS4011599 Get the genuine quality 4011599 - WIRING HARNESS from Cummins at our store. Designed for durability and optimal performance, this wiring harness ensures...
    $12,360.67
    $11,291.47
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $12,360.67
    $11,291.47
    Subtotal:
  • CUMMINS 4008035 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4008035 WIRING HARNESS Original OEM part

    CUMMINS

    $676.37
    $617.87
    Precision engineered for seamless power integration Durable design supports consistent engine performance High-grade materials ensure resistance to wear and corrosion Certified OEM component from...
    $676.37
    $617.87
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $676.37
    $617.87
    Subtotal:
  • CUMMINS 4007322 - WIRING HARNESS - Original OEM part - Image 1
    Add to Cart

    CUMMINS 4007322 WIRING HARNESS Original OEM part

    CUMMINS

    $943.73
    $862.10
    Cummins 4007322 - WIRING HARNESS MINS4007322 Our store proudly offers the original "4007322 - WIRING HARNESS" by Cummins, ensuring top-notch quality and compatibility with your outdoor equipment...
    $943.73
    $862.10
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $943.73
    $862.10
    Subtotal:
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