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 5273894 WIRING HARNESS Original OEM part
CUMMINS
$461.74$421.80Engineered for precision and durability to maintain system reliability Robust wiring pathways ensure uninterrupted power transmission Certified genuine OEM component specifically designed by...$461.74$421.80 -
CUMMINS 5271507 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$2,414.57$2,205.71Precision engineered for seamless system control and communication Robust construction optimized for lasting durability even in demanding environments Authentic Cummins OEM part guaranteeing perfect...$2,414.57$2,205.71 -
CUMMINS 5269655 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$2,223.57$2,031.23Cummins 5269655 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS5269655 Unleash the full potential of your outdoor equipment with the authentic Cummins 5269655 EXTERNAL CONTROL MODULE WIRING HARNESS...$2,223.57$2,031.23 -
CUMMINS 5268335 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$2,169.74$1,982.06Precision engineered for seamless integration and unwavering performance Ensures optimal signal transmission for your external control module Durable construction withstands harsh operational...$2,169.74$1,982.06 -
CUMMINS 5268334 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,785.30$1,630.88Precision-engineered wiring for impeccable control and communication within your Cummins power system. Durable construction designed to withstand demanding operational stress and environmental...$1,785.30$1,630.88 -
CUMMINS 5267945 WIRING HARNESS Original OEM part
CUMMINS
$4,322.12$3,948.25Precision engineered for seamless power integration Durable wiring harness optimized for longevity and resilience Essential for maintaining complete engine control and signal accuracy 100% genuine...$4,322.12$3,948.25 -
CUMMINS 5266788 WIRING HARNESS Original OEM part
CUMMINS
$124.78$113.99Precision engineered for seamless connectivity and peak engine response Durable construction designed to withstand harsh conditions and extend generator lifespan Ensures consistent electrical signal...$124.78$113.99 -
CUMMINS 5263286 WIRING HARNESS Original OEM part
CUMMINS
$2,412.60$2,203.92Engineered for Dependability: Connect with confidence using a wiring harness designed to meet Cummins’ exacting standards. Precision Fit & Function: This wiring harness ensures seamless...$2,412.60$2,203.92 -
CUMMINS 5263282 WIRING HARNESS Original OEM part
CUMMINS
$7,149.68$6,531.24Cummins 5263282 - WIRING HARNESS MINS5263282 The genuine Cummins 5263282 Wiring Harness available at our store ensures optimum performance and compatibility with your outdoor equipment. Sourced...$7,149.68$6,531.24 -
CUMMINS 5263281 WIRING HARNESS Original OEM part
CUMMINS
$10,563.70$9,649.94Engineered Excellence in Every Connection Precision-crafted wiring harness designed for optimal signal transmission and durability Provides robust electrical integration to support uninterrupted...$10,563.70$9,649.94 -
CUMMINS 5263087 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$88.79$81.11Precision engineered connectivity for dependable power systems Durable, factory-tested construction ensures uninterrupted signal flow Streamlined external control module communication for enhanced...$88.79$81.11 -
CUMMINS 5263085 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,650.18$1,507.44Power your equipment with uncompromising precision and durability. Advanced wiring harness design for optimal signal integrity and system control. Robust construction that withstands harsh operating...$1,650.18$1,507.44 -
CUMMINS 5262554 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$10,037.94$9,169.66Engineered Precision for Unmatched Control: Experience seamless integration with your Cummins system for consistent performance. Durability That Endures Demanding Conditions: Built to withstand...$10,037.94$9,169.66 -
CUMMINS 5260406 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,658.28$1,514.84Precision-engineered connectivity for unmatched system harmony Durable wiring harness designed to withstand rigorous operational demands Ensures flawless communication between control modules and...$1,658.28$1,514.84 -
CUMMINS 5260405 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,616.60$1,476.77Depend on Precision Engineering That Drives Your Power System Exceptional Connectivity for Optimal Control Module Performance Built to Withstand Harsh Conditions for Long-Term Durability Certified...$1,616.60$1,476.77 -
CUMMINS 5260404 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$2,500.53$2,284.23Engineered for seamless integration and durability under demanding conditions Precision-crafted wiring harness ensuring optimal communication between control modules Authentic OEM component designed...$2,500.53$2,284.23 -
CUMMINS 5260403 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$2,829.62$2,584.85Engineered for unwavering control and connectivity precision Robust design ensures consistent performance in demanding environments Fully OEM-certified to guarantee exact compatibility and...$2,829.62$2,584.85 -
CUMMINS 5260401 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,503.92$1,373.83Engineered Precision for Unmatched Reliability Ensures seamless connectivity and control within your Cummins power system Designed to uphold peak engine performance and safety standards 100% genuine...$1,503.92$1,373.83 -
CUMMINS 5257911 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,793.20$1,638.09Precision engineered for peak control: The CUMMINS 5257911 EXTERNAL CONTROL MODULE WIRING HARNESS links critical engine systems with flawless accuracy. Robust design for long-term dependability:...$1,793.20$1,638.09 -
CUMMINS 5257909 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$3,682.69$3,364.14Engineered Precision for Unmatched Reliability Robust construction ensures consistent signal transmission under all conditions Designed to simplify installation and maximize compatibility with...$3,682.69$3,364.14 -
CUMMINS 5257809 WIRING HARNESS Original OEM part
CUMMINS
$80.70$73.72Precision in every connection for dependable power delivery Robust design crafted to withstand rigorous engine demands Optimized wiring layout reducing downtime and maintenance Authentic OEM...$80.70$73.72 -
CUMMINS 5257808 WIRING HARNESS Original OEM part
CUMMINS
$84.07$76.80Engineered for seamless system integration and durability Designed to maintain electrical integrity under demanding conditions Manufactured by Cummins as a genuine OEM part to guarantee...$84.07$76.80 -
CUMMINS 5257724 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$2,240.89$2,047.06Engineered for Excellence: Ensure flawless connectivity with the precision-built wiring harness designed exclusively for Cummins systems. Durability Meets Innovation: Built to withstand harsh...$2,240.89$2,047.06 -
CUMMINS 5256656 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,638.00$1,496.32Ensure seamless communication: Reliable wiring harness designed to optimize control module connectivity. Durability engineered: Built to withstand demanding operational environments and extend...$1,638.00$1,496.32 -
CUMMINS 5256264 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$123.26$112.60Cummins 5256264 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS5256264 Find genuine reliability with the Cummins 5256264 - EXTERNAL CONTROL MODULE WIRING HARNESS from our store. Trust the top quality...$123.26$112.60 -
CUMMINS 5256263 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$102.95$94.04Precision-engineered integration for seamless power management. Robust wiring harness crafted for durability and consistent signal transmission. Optimized to maintain engine control system...$102.95$94.04 -
CUMMINS 5256262 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$103.10$94.19Precision engineered for seamless system integration Durable wiring harness designed to withstand harsh operating environments Ensures accurate control module communication to optimize engine...$103.10$94.19 -
CUMMINS 5255051 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$386.16$352.76Unmatched Precision and Durability—Engineered for seamless integration and peak functionality. Robust OEM Quality ensures long-lasting connectivity and dependable system control. Optimized Wiring...$386.16$352.76 -
CUMMINS 5254713 WIRING HARNESS Original OEM part
CUMMINS
$10,755.12$9,824.80Cummins 5254713 - WIRING HARNESS MINS5254713 Our store proudly offers the original 5254713 - WIRING HARNESS by Cummins, SKU MINS5254713. Ensure seamless operation of your outdoor equipment with this...$10,755.12$9,824.80 -
CUMMINS 5254510 WIRING HARNESS Original OEM part
CUMMINS
$159.69$145.88Cummins 5254510 - WIRING HARNESS MINS5254510 Discover the high-quality Cummins 5254510 - WIRING HARNESS, the ideal replacement part for your outdoor equipment. Trust in our store to deliver...$159.69$145.88 -
CUMMINS 5254479 WIRING HARNESS Original OEM part
CUMMINS
$141.73$129.47Precision-engineered wiring for seamless power and signal transmission Durable design ensuring optimal electrical connectivity under extreme conditions Original equipment manufacturer (OEM) part,...$141.73$129.47 -
CUMMINS 5254340 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$6,511.75$5,948.48Engineered to connect your power with precision and reliability Robust construction ensures consistent communication between control modules Critical for maintaining system integrity and minimizing...$6,511.75$5,948.48 -
CUMMINS 5254229 WIRING HARNESS Original OEM part
CUMMINS
$1,809.83$1,653.28Engineered for precision and durability—optimize your generator's electrical connectivity with this vital wiring harness. Ensures optimal power distribution for enhanced system efficiency and steady...$1,809.83$1,653.28 -
CUMMINS 5254014 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$3,586.88$3,276.62Cummins 5254014 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS5254014 Finding the original Cummins 5254014 - EXTERNAL CONTROL MODULE WIRING HARNESS is crucial for efficient outdoor equipment...$3,586.88$3,276.62 -
CUMMINS 5253885 WIRING HARNESS Original OEM part
CUMMINS
$2,129.03$1,944.87Precision-engineered Connectivity: Seamless integration for consistent power and signal transmission. Durability Under Demanding Conditions: Crafted to withstand harsh environments and maintain...$2,129.03$1,944.87 -
CUMMINS 4998613 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$10,671.45$9,748.37Cummins 4998613 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS4998613 When it comes to ensuring peak performance of your outdoor equipment, trust only original replacement parts like the Cummins...$10,671.45$9,748.37 -
CUMMINS 4998612 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$10,174.08$9,294.03Designed to power your performance with precision and reliability Engineered for seamless control module integration, delivering consistent signal transmission Robust wiring construction resists...$10,174.08$9,294.03 -
CUMMINS 4998578 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$9,134.87$8,344.71Precision in every connection for dependable power. Designed to maintain exceptional engine communication and control. Engineered to resist harsh conditions and ensure long-term durability...$9,134.87$8,344.71 -
CUMMINS 4998577 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$10,071.05$9,199.90Unmatched precision engineered for Cummins power systems Secure and optimized connectivity for your control module Durable construction to withstand demanding environments 100% authentic OEM part...$10,071.05$9,199.90 -
CUMMINS 4998522 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,019.89$931.67Precision-engineered connectivity for dependable power system control Durable wiring harness designed to withstand harsh operational conditions Genuine OEM component crafted by Cummins for...$1,019.89$931.67