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 3966768 WIRING HARNESS Original OEM part
CUMMINS
$89.33$81.60Powering precision with every connection Engineered for seamless electrical integrity Durable design optimized for harsh conditions 100% genuine Cummins OEM construction for guaranteed fit and...$89.33$81.60 -
CUMMINS 3966766 WIRING HARNESS Original OEM part
CUMMINS
$90.16$82.36Engineered for Excellence: Precision wiring harness designed for peak Cummins engine integration Durable Construction: Crafted to withstand harsh operating environments ensuring consistent...$90.16$82.36 -
CUMMINS 3965704 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,843.63$1,684.15Precision engineered for seamless power management integration Ensures reliable signal transmission and operational stability Constructed with durable materials to withstand harsh...$1,843.63$1,684.15 -
CUMMINS 3965408 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$6,017.45$5,496.94Precision-crafted for uncompromising connectivity Ensures flawless communication within your control system OEM construction guarantees maximum compatibility and durability Genuine Cummins part...$6,017.45$5,496.94 -
CUMMINS 3965224 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$2,843.70$2,597.72Precision-engineered integration for flawless system communication. Durable construction ensures extended service life under demanding conditions. Maintains full compatibility and peak performance...$2,843.70$2,597.72 -
CUMMINS 3963718 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$2,500.03$2,283.78Precision-crafted connectivity for superior power control Robust design optimizes signal transmission and system stability Seamless integration with Cummins engine and control systems 100% original...$2,500.03$2,283.78 -
CUMMINS 3958224 WIRING HARNESS Original OEM part
CUMMINS
$1,945.20$1,776.95Precision-engineered connectivity for uncompromised power delivery Robust design enhancing durability in demanding environments 100% genuine Cummins OEM component guaranteeing exact fit and...$1,945.20$1,776.95 -
CUMMINS 3958221 WIRING HARNESS Original OEM part
CUMMINS
$2,315.53$2,115.23Precision engineered to empower your Cummins engine’s heart and soul Robust wiring harness delivering uninterrupted electrical connectivity Designed to withstand harsh environments and prolonged...$2,315.53$2,115.23 -
CUMMINS 3958090 WIRING HARNESS Original OEM part
CUMMINS
$519.33$474.41Precision-engineered for seamless connectivity and durability Enhances electrical system reliability under demanding operating conditions Constructed exclusively as a genuine OEM Cummins component...$519.33$474.41 -
CUMMINS 3958088 WIRING HARNESS Original OEM part
CUMMINS
$209.42$191.30Excellence in Connectivity: Crafted to maintain flawless electrical communication within your Cummins engine system. Durable Construction: Designed to withstand harsh environments and continuous...$209.42$191.30 -
CUMMINS 3957717 WIRING HARNESS Original OEM part
CUMMINS
$132.98$121.48Precision engineered connectivity for uncompromising power delivery Optimizes signal transmission maintaining peak engine performance Designed to meet rigorous Cummins OEM standards ensuring...$132.98$121.48 -
FLEETGUARD 3950729S WIRE HARNESS Original FLEETGUARD OEM part
FLEETGUARD
$415.57$379.63Fleetguard 3950729-S - WIRE HARNESS FLG3950729-S Discover the Fleetguard 3950729-S - WIRE HARNESS, a top-quality replacement part designed for optimal performance. Our store is the ultimate...$415.57$379.63 -
CUMMINS 3948169 WIRING HARNESS Original OEM part
CUMMINS
$89.64$81.89Precision engineered connection for seamless power delivery Durable construction guards against wear and electrical faults Maintains full OEM compliance to preserve equipment warranty Authentic...$89.64$81.89 -
FLEETGUARD 3945163S WIRE HARNESS Original FLEETGUARD OEM part
FLEETGUARD
$483.72$441.88Fleetguard 3945163-S - WIRE HARNESS FLG3945163-S Upgrade your outdoor equipment with the genuine Fleetguard 3945163-S WIRE HARNESS, designed to keep your lawn mower running smoothly. At our store,...$483.72$441.88 -
FLEETGUARD 3945160S WIRE HARNESS Original FLEETGUARD OEM part
FLEETGUARD
$437.75$399.88Fleetguard 3945160-S - WIRE HARNESS FLG3945160-S Upgrade your outdoor equipment with the genuine Fleetguard 3945160-S - WIRE HARNESS. Designed for optimal performance and durability, this wire...$437.75$399.88 -
FLEETGUARD 3945158S WIRE HARNESS Original FLEETGUARD OEM part
FLEETGUARD
$93.68$85.58Fleetguard 3945158-S - WIRE HARNESS FLG3945158-S Enhance the performance of your outdoor equipment with the original Fleetguard 3945158-S - WIRE HARNESS. Designed to ensure a perfect fit and optimal...$93.68$85.58 -
FLEETGUARD 3945157S WIRE HARNESS Original FLEETGUARD OEM part
FLEETGUARD
$1,421.55$1,298.59Fleetguard 3945157-S - WIRE HARNESS FLG3945157-S Whether you need a replacement or an upgrade, the Fleetguard 3945157-S - WIRE HARNESS is the perfect fit for your outdoor equipment. Made with...$1,421.55$1,298.59 -
FLEETGUARD 3945156S WIRE HARNESS Original FLEETGUARD OEM part
FLEETGUARD
$107.42$98.13Fleetguard 3945156-S - WIRE HARNESS FLG3945156-S When looking for authentic replacement parts like the 3945156-S - WIRE HARNESS from Fleetguard, our store stands out as the best choice. We offer...$107.42$98.13 -
FLEETGUARD 3945145S WIRE HARNESS Original FLEETGUARD OEM part
FLEETGUARD
$125.77$114.89Fleetguard 3945145-S - WIRE HARNESS FLG3945145-S When it comes to ensuring optimum performance for your outdoor equipment, look no further than the Fleetguard 3945145-S WIRE HARNESS. This genuine...$125.77$114.89 -
FLEETGUARD 3945133S WIRE HARNESS Original FLEETGUARD OEM part
FLEETGUARD
$318.95$291.36Fleetguard 3945133-S - WIRE HARNESS FLG3945133-S Find the original 3945133-S - WIRE HARNESS from Fleetguard at our online store. Designed with precision and quality in mind, this wire harness...$318.95$291.36 -
FLEETGUARD 3945129S WIRE HARNESS Original FLEETGUARD OEM part
FLEETGUARD
$255.15$233.08Fleetguard 3945129-S - WIRE HARNESS FLG3945129-S When it comes to finding high-quality replacement parts for your outdoor equipment, look no further than our store. The Fleetguard 3945129-S WIRE...$255.15$233.08 -
FLEETGUARD 3945124S HARNESS KIT Original FLEETGUARD OEM part
FLEETGUARD
$2,350.90$2,147.55Fleetguard 3945124-S - HARNESS KIT FLG3945124-S Discover the genuine Fleetguard 3945124-S - HARNESS KIT at our store, the ultimate destination for original replacement parts. Crafted to the highest...$2,350.90$2,147.55 -
FLEETGUARD 3945123S WIRE HARNESS Original FLEETGUARD OEM part
FLEETGUARD
$290.32$265.20Fleetguard 3945123-S - WIRE HARNESS FLG3945123-S When it comes to quality and authenticity, look no further than our store for the Fleetguard 3945123-S - WIRE HARNESS. Designed to meet the highest...$290.32$265.20 -
CUMMINS 3944123 WIRING HARNESS Original OEM part
CUMMINS
$1,788.42$1,633.72Precision-engineered connectivity for dependable power delivery Ensures seamless integration and optimal electrical performance Durable, high-quality wiring harness designed to withstand harsh...$1,788.42$1,633.72 -
CUMMINS 3944122 WIRING HARNESS Original OEM part
CUMMINS
$2,185.32$1,996.29Precision engineered for uncompromising reliability Robust design ensures flawless electrical connectivity under demanding conditions Authentic OEM part by Cummins for guaranteed compatibility and...$2,185.32$1,996.29 -
CUMMINS 3944108 WIRING HARNESS Original OEM part
CUMMINS
$2,328.96$2,127.51Precision-engineered to ensure seamless electrical connectivity in Cummins power systems Durable construction for enhanced resistance to wear and environmental stress Fully compatible genuine OEM...$2,328.96$2,127.51 -
CUMMINS 3944103 WIRING HARNESS Original OEM part
CUMMINS
$4,888.18$4,465.36Precision Connectivity for Enduring Power Engineered for seamless electrical communication within Cummins systems Durable design crafted to withstand harsh operating environments Authentic OEM...$4,888.18$4,465.36 -
CUMMINS 3938920 WIRING HARNESS Original OEM part
CUMMINS
$308.25$281.59Engineered to connect, built to endure—trust in Cummins excellence Precision manufactured wiring harness ensuring flawless electrical integration Durable construction for long-lasting service in...$308.25$281.59 -
CUMMINS 3934686 WIRING HARNESS Original OEM part
CUMMINS
$536.44$490.04Precision-Engineered Connectivity for Your Cummins Robust, Durable Wiring Harness Ensuring Consistent Electrical Flow High-Quality Materials Designed to Withstand Harsh Operating Conditions 100%...$536.44$490.04 -
CUMMINS 3925618 WIRING HARNESS Original OEM part
CUMMINS
$1,078.79$985.48Precision engineered connectivity for uncompromised power delivery Robust wiring design ensures lasting durability and peak engine performance Optimizes signal integrity to maintain safety and...$1,078.79$985.48 -
CUMMINS 3923303 WIRING HARNESS Original OEM part
CUMMINS
$113.49$103.68Engineered for excellence, crafted for reliability. Precision-built to ensure flawless electrical connectivity. Designed to withstand harsh operating environments and extend engine life. 100%...$113.49$103.68 -
CUMMINS 3920831 WIRING HARNESS Original OEM part
CUMMINS
$52.09$47.59Precision-engineered wiring harness designed for flawless connectivity and durability Robust construction to withstand harsh operating conditions and ensure consistent power delivery 100% genuine...$52.09$47.59 -
CUMMINS 3918364 WIRING HARNESS Original OEM part
CUMMINS
$506.73$462.90Empowering your engine connectivity with precision and trust. Engineered for flawless electrical signal transmission ensuring optimal engine performance. Durable construction designed to withstand...$506.73$462.90 -
CUMMINS 3913604 WIRING HARNESS Original OEM part
CUMMINS
$762.28$696.35Engineered Precision for Enduring Power Optimized Signal Distribution for flawless engine communication Rugged Construction to withstand harsh environments 100% Genuine OEM CUMMINS component,...$762.28$696.35 -
CUMMINS 3913601 WIRING HARNESS Original OEM part
CUMMINS
$1,693.65$1,547.15Cummins 3913601 - WIRING HARNESS MINS3913601 Find the original 3913601 - Wiring Harness by Cummins at our store, your top choice for quality outdoor equipment parts. This genuine wiring harness,...$1,693.65$1,547.15 -
CUMMINS 3913600 WIRING HARNESS Original OEM part
CUMMINS
$686.64$627.24Precision-engineered integrity for uncompromising power system connections Designed to maintain signal clarity and electrical stability Constructed with high-grade materials for extended service...$686.64$627.24 -
CUMMINS 3897948 WIRING HARNESS Original OEM part
CUMMINS
$1,611.96$1,472.53Precision Power Connectivity at Its Best Engineered for flawless electrical signal transmission Durable construction for extended service life under harsh conditions 100% genuine OEM Cummins part...$1,611.96$1,472.53 -
CUMMINS 3897656 WIRING HARNESS Original OEM part
CUMMINS
$96.37$88.04Precision engineered to maintain your power system's seamless communication Durable wiring configuration optimized for enhanced electrical conductivity Robust design minimizes the risk of power...$96.37$88.04 -
CUMMINS 3866856 WIRING HARNESS Original OEM part
CUMMINS
$8,339.57$7,618.20Precision in Power: Engineered to sustain and optimize your Cummins generator's electrical integrity. Robust Construction: Designed to endure harsh conditions and provide consistent connectivity...$8,339.57$7,618.20 -
CUMMINS 3866851 WIRING HARNESS Original OEM part
CUMMINS
$5,807.67$5,305.31Engineered Excellence: Designed specifically for flawless communication between your generator’s electrical components, ensuring peak operational integrity. Durability Under Pressure: Built with...$5,807.67$5,305.31