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 4364438 WIRING HARNESS Original OEM part
CUMMINS
$3,842.46$3,510.09Precision engineered to meet Cummins' rigorous quality standards Ensures efficient electrical connectivity and system stability Designed to endure harsh environments for long-lasting...$3,842.46$3,510.09 -
CUMMINS 4327986 WIRING HARNESS Original OEM part
CUMMINS
$707.04$645.88Cummins 4327986 - WIRING HARNESS MINS4327986 Find top-tier quality when you choose the genuine Cummins 4327986 - WIRING HARNESS from our store. Rest assured that you are getting a reliable and...$707.04$645.88 -
CUMMINS 4326531 WIRING HARNESS Original OEM part
CUMMINS
$225.50$206.00Precision engineered connectivity for lasting power Exceptional durability ensures consistent performance under demanding conditions Guaranteed compatibility as an official CUMMINS OEM wiring...$225.50$206.00 -
CUMMINS 4302948 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$3,564.55$3,256.22Precision engineered for unsurpassed power system harmony Optimized wiring harness delivering seamless communication between control components Durability and reliability backed by genuine Cummins...$3,564.55$3,256.22 -
CUMMINS 4100548 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$13,725.58$12,538.32Engineered for excellence and reliability in every connection Superior fit and durability for seamless system integration Maintains optimal engine control and operational safety Certified genuine...$13,725.58$12,538.32 -
CUMMINS 4054744 WIRING HARNESS Original OEM part
CUMMINS
$473.09$432.17Engineered to excellence, ensuring your power systems perform flawlessly. Precise fitment for maximum reliability and safety under demanding conditions. Robust construction for enduring electrical...$473.09$432.17 -
CUMMINS 2897004 INJECTOR WIRING HARNESS Original OEM part
CUMMINS
$249.15$227.60Engineered for uncompromising reliability and precision. Robust construction designed for peak electrical connectivity. Ensures consistent injector signal delivery to maximize fuel efficiency...$249.15$227.60 -
ONAN A059T274 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$123.44$112.76Cummins WIRING HARNESS A059T274 Find genuine replacement WIRING HARNESS with SKU A059T274 from Cummins, designed to restore your equipment's electrical system's functionality. Our store ensures the...$123.44$112.76 -
ONAN A059T273 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$111.52$101.87Cummins WIRING HARNESS A059T273 Upgrade your lawn mower with the top-quality "WIRING HARNESS" by Cummins (SKU: A059T273). Our store is your one-stop-shop for genuine replacement parts, ensuring...$111.52$101.87 -
ONAN A059K456 GENSET HARNESS Original ONAN/CUMMINS OEM part
ONAN
$12,224.09$11,166.71Precision engineered for seamless power: the ONAN A059K456 GENSET HARNESS ensures your generator’s optimum connectivity and efficiency Durable construction guarantees long-lasting service life under...$12,224.09$11,166.71 -
ONAN A057Y634 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$3,235.56$2,955.68Cummins INTERFACE HARNESS A057Y634 Discover the genuine "INTERFACE HARNESS" designed by Cummins with product SKU A057Y634, available exclusively at our store. Our shop stands out as the prime...$3,235.56$2,955.68 -
ONAN A056X819 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$970.88$886.90Cummins WIRING HARNESS A056X819 Discover the impeccable quality and reliability of the Cummins WIRING HARNESS (SKU: A056X819) available at our store. Made with precision and designed for optimal...$970.88$886.90 -
ONAN A056T970 FUEL SYSTEM HARNESS Original ONAN/CUMMINS OEM part
ONAN
$980.64$895.81Precision engineered to maintain optimal fuel system integrity for your Onan generator Designed to ensure seamless connectivity and fuel flow, boosting engine efficiency Durable and built to...$980.64$895.81 -
ONAN A055J374 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$6,615.48$6,043.24Cummins INTERFACE HARNESS A055J374 Our store proudly offers the original "INTERFACE HARNESS" with the SKU "A055J374" from the reputable brand Cummins. Ensure optimal performance and compatibility by...$6,615.48$6,043.24 -
ONAN A055E381 LOWER COOLANT LEVEL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$2,567.32$2,345.24Cummins LOWER COOLANT LEVEL HARNESS A055E381 Explore our vast selection of top-quality original LOWER COOLANT LEVEL HARNESS with SKU A055E381 from the reputable brand, Cummins. Our store provides...$2,567.32$2,345.24 -
ONAN A054Y229 EMERGENCY HARNESS Original ONAN/CUMMINS OEM part
ONAN
$15.24$13.92Dependable connectivity engineered for critical moments. Ensures seamless electrical flow during generator emergencies. Durable construction engineered to withstand intense operational demands...$15.24$13.92 -
ONAN A054R720 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$113.58$103.76Cummins INTERFACE HARNESS A054R720 Discover the top-notch quality of the Cummins A054R720 INTERFACE HARNESS, crafted to perfection for seamless integration in your outdoor equipment. Ensure peak...$113.58$103.76 -
ONAN A054R540 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$3,852.68$3,519.43Cummins INTERFACE HARNESS A054R540 Find the authentic Cummins INTERFACE HARNESS with the SKU A054R540 at our store to ensure seamless compatibility and reliable performance. Our collection boasts...$3,852.68$3,519.43 -
ONAN A054K260 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$8,645.58$7,897.74Precision engineered for seamless integration and dependable power delivery High-quality wiring components designed to withstand demanding environments Essential for maintaining optimal engine...$8,645.58$7,897.74 -
ONAN A054D658 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$5,662.35$5,172.56Precision-crafted for unwavering power delivery Seamless integration with your ONAN generator system Exceptional durability for long-lasting engine support 100% genuine ONAN OEM component...$5,662.35$5,172.56 -
ONAN A053T310 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$932.65$851.98Experience unmatched connectivity with the ONAN A053T310 Engine Harness, engineered to perfection for seamless power delivery. Designed to endure rigorous conditions, this harness supports long-term...$932.65$851.98 -
ONAN A053S093 GENERATOR ELECTRIC HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,423.25$1,300.14Precision engineered for seamless power delivery Durable construction designed to withstand demanding conditions Authentic ONAN OEM component ensuring perfect fit and long service life ONAN...$1,423.25$1,300.14 -
ONAN A053R739 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,514.85$1,383.82Engineered for Excellence: Power your system with confidence using the ONAN A053R739 ENGINE HARNESS. Precision Connectivity: Ensures optimal electrical flow to support engine performance under all...$1,514.85$1,383.82 -
ONAN A053R492 GENERATOR ELECTRIC HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,565.07$1,429.69Power your peace of mind with precision-crafted components. Engineered for flawless connectivity within your generator system. Built to endure demanding conditions ensuring longevity and consistent...$1,565.07$1,429.69 -
ONAN A053K664 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,190.23$1,087.27Cummins INTERFACE HARNESS A053K664 Our store proudly offers the original "INTERFACE HARNESS" with SKU "A053K664" from the reputable brand "Cummins". Our products are known for their quality and...$1,190.23$1,087.27 -
ONAN A053F043 HEATER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$384.47$351.22Engineered for Peak Performance and Lasting Reliability Precision-crafted wiring harness ensuring flawless heater operation Durable construction to withstand harsh operating conditions 100% Genuine...$384.47$351.22 -
ONAN A052Z669 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$463.68$423.57Cummins WIRING HARNESS A052Z669 Shop confidently for the Cummins WIRING HARNESS (SKU: A052Z669) knowing you're getting a genuine, high-quality replacement part. Our store ensures you get the best...$463.68$423.57 -
ONAN A052Y190 EXTENSION HARNESS Original ONAN/CUMMINS OEM part
ONAN
$570.59$521.24Engineered for seamless power extension and reliability under demanding conditions Robust design ensures consistent connectivity and long service life Facilitates easy integration without...$570.59$521.24 -
ONAN A052X586 EXTENSION HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,155.47$1,055.52Engineered for seamless integration and enduring performance Designed to ensure optimal electrical connectivity and system efficiency Robust construction built to withstand rigorous generator...$1,155.47$1,055.52 -
ONAN A052X578 EXTENSION HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,985.63$1,813.87Power your system with confidence using genuine ONAN innovation. Designed for seamless connectivity and extended reach within your generator setup. Crafted to endure demanding operational...$1,985.63$1,813.87 -
ONAN A052R929 PARALLELING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$4,460.60$4,074.76Cummins PARALLELING HARNESS A052R929 Find your authentic "PARALLELING HARNESS" with SKU A052R929 by Cummins at our store. We pride ourselves on providing genuine parts, ensuring top-notch quality...$4,460.60$4,074.76 -
ONAN A052K105 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$801.38$732.06Precision engineered by ONAN to maintain the integrity of your power system. Exceptional durability designed to withstand demanding engine environments. Optimized for seamless electrical...$801.38$732.06 -
ONAN A052F343 PIGTAIL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$17.83$16.29Cummins PIGTAIL HARNESS A052F343 Find the original "PIGTAIL HARNESS" with SKU A052F343 by Cummins in our store, ensuring top-notch quality for your outdoor equipment. Our selection guarantees...$17.83$16.29 -
ONAN A052E331 LOWER COOLANT LEVEL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$282.59$258.15Cummins LOWER COOLANT LEVEL HARNESS A052E331 Our online store offers the original "LOWER COOLANT LEVEL HARNESS" with product SKU A052E331 manufactured by Cummins. With our focus on providing...$282.59$258.15 -
ONAN A052C979 HEATER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$230.27$210.35Precision engineered for seamless integration and dependable power system warmth. Durability built to endure rigorous RV, marine, and commercial environments. Maintains optimal heater performance to...$230.27$210.35 -
ONAN A052B359 HEATER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$236.34$215.90Precision engineered for seamless power and performance Optimal thermal connectivity to maintain consistent generator temperatures Durable construction for long-lasting reliability under demanding...$236.34$215.90 -
ONAN A052A234 PARALLELING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,294.02$1,182.08Cummins PARALLELING HARNESS A052A234 Explore the high-quality "PARALLELING HARNESS" with SKU A052A234 from the trusted brand Cummins in our store. Our range of original replacement parts ensures...$1,294.02$1,182.08 -
ONAN A051W829 HARNESS Original ONAN/CUMMINS OEM part
ONAN
$176.74$161.45Precision engineered to maintain seamless electrical connections in your generator system Durable construction ensuring consistent performance under demanding conditions Authentic OEM component...$176.74$161.45 -
ONAN A051M944 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$4,178.03$3,816.63Engineered to uphold the enduring legacy of ONAN’s precision and reliability. Designed for seamless connectivity and flawless control signal transmission. Constructed with high-quality materials to...$4,178.03$3,816.63 -
ONAN A051M926 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$232.42$212.31Engineered to sustain your generator’s heartbeat with precision and durability. Ensures optimal electrical connectivity for smooth generator control. Constructed to withstand harsh operating...$232.42$212.31