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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ONAN A051D879 EXTENSION HARNESS Original ONAN/CUMMINS OEM part
ONAN
$4,288.50$3,917.55Engineered to empower your Onan generator’s connectivity with precision and endurance. Ensures flawless electrical communication to maximize generator efficiency and reliability. Durable design...$4,288.50$3,917.55 -
ONAN A051D676 EXTENSION HARNESS Original ONAN/CUMMINS OEM part
ONAN
$3,481.00$3,179.90Power your reliability with authentic Onan precision. Robust extension harness designed to maintain flawless electrical connections. Engineered with durable materials to withstand demanding...$3,481.00$3,179.90 -
ONAN A051D109 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$2,277.63$2,080.61Precision-crafted for unwavering power delivery and seamless engine communication Robust construction designed to withstand harsh operating conditions and extend component life Ensures optimal...$2,277.63$2,080.61 -
ONAN A051D021 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$3,286.87$3,002.56Dependable power starts with authentic components engineered for your generator’s needs. Precision wiring harness designed to ensure seamless electrical connectivity. Enhances engine communication...$3,286.87$3,002.56 -
ONAN A051C576 POWER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$7,951.99$7,264.15Cummins POWER HARNESS A051C576 Explore the top-quality "POWER HARNESS" with SKU A051C576 by Cummins, ensuring a seamless fit for your outdoor equipment. Our store proudly offers the original Cummins...$7,951.99$7,264.15 -
ONAN A051B920 GENERATOR ELECTRIC HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,585.66$1,448.50Precision-engineered power connections for reliable generator performance Durable construction designed to withstand demanding electrical loads Optimized for direct compatibility with your ONAN...$1,585.66$1,448.50 -
ONAN A050Y686 PARALLELING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,821.09$1,663.57Cummins PARALLELING HARNESS A050Y686 Upgrade your outdoor equipment with the authentic "PARALLELING HARNESS" from Cummins, SKU A050Y686. Trust in our store for genuine replacement parts crafted to...$1,821.09$1,663.57 -
ONAN A050T950 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$3,207.95$2,930.46Engineered for unmatched reliability and seamless integration. Optimized wiring configuration ensures efficient power delivery and signal integrity. Durable materials designed to withstand harsh...$3,207.95$2,930.46 -
ONAN A050T696 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,251.80$1,143.52Cummins WIRING HARNESS A050T696 Explore our inventory to find the high-quality "WIRING HARNESS" with SKU "A050T696" from the renowned brand Cummins. Our store offers the best price for this...$1,251.80$1,143.52 -
ONAN A050R646 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$2,026.53$1,851.23Cummins WIRING HARNESS A050R646 Upgrade your outdoor equipment with the A050R646 WIRING HARNESS from Cummins. With our store, you can be confident in receiving high-quality original parts at the...$2,026.53$1,851.23 -
ONAN A050N355 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$3,231.43$2,951.91Engineered for Precision: Experience flawless power delivery with the ONAN A050N355 Engine Harness, designed for exact fit and superior durability. Enhanced System Integrity: Maintain optimal engine...$3,231.43$2,951.91 -
ONAN A050J580 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$6,628.95$6,055.55Cummins WIRING HARNESS A050J580 Find the original Cummins WIRING HARNESS with SKU A050J580 at our store. Our top-quality replacement part ensures a perfect fit for your outdoor equipment. Avoid...$6,628.95$6,055.55 -
ONAN A050J230 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$396.36$362.08Cummins WIRING HARNESS A050J230 Discover the authentic Cummins WIRING HARNESS, SKU A050J230, in our store for top-notch replacement parts. Our store stands out as the ultimate destination for...$396.36$362.08 -
ONAN A050D475 GENERATOR ELECTRIC HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,554.32$1,419.87Engineered for reliable power connections that keep your generator running strong. Durable, precision-manufactured electric harness ensuring optimal conductivity and minimal signal loss. Designed to...$1,554.32$1,419.87 -
ONAN A049K240 HARNESS Original ONAN/CUMMINS OEM part
ONAN
$224.80$205.36Precision Engineered for Unmatched Reliability Seamless connectivity ensuring optimal generator performance Durable construction designed to withstand demanding operational conditions Genuine OEM...$224.80$205.36 -
ONAN A049G696 HEATER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$567.64$518.54Unleash dependable warmth and precision with the authentic ONAN A049G696 Heater Harness. Designed for flawless integration, this harness guarantees consistent heater operation under all conditions...$567.64$518.54 -
ONAN A049F348 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$56.25$51.38Precision Engineering Meets Trusted Power Reliable Signal Transmission for Optimal Generator Control Durable Construction Designed to Withstand Harsh Operating Conditions Certified OEM Component...$56.25$51.38 -
ONAN A049F342 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$213.98$195.47Factory-engineered reliability for seamless generator control Precision fit ensures optimal electrical connections and system efficiency Robust construction designed for durability under demanding...$213.98$195.47 -
ONAN A049F334 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,616.84$1,476.98Cummins INTERFACE HARNESS A049F334 Discover the authentic INTERFACE HARNESS by Cummins with product SKU A049F334, ensuring top-notch quality and compatibility. Our store stands out as the ideal...$1,616.84$1,476.98 -
ONAN A049E176 GENSET HARNESS Original ONAN/CUMMINS OEM part
ONAN
$4,181.29$3,819.61Reliability rooted in precision engineering Ensures flawless communication between genset components Durability crafted to withstand demanding operational conditions 100% original ONAN OEM quality,...$4,181.29$3,819.61 -
ONAN A049E163 GENSET HARNESS Original ONAN/CUMMINS OEM part
ONAN
$4,029.00$3,680.50Engineered for Excellence: Experience unmatched connectivity and durability designed to keep your generator running smoothly. Precision Fit: Each harness guarantees full compatibility, ensuring peak...$4,029.00$3,680.50 -
ONAN A049C489 EXTENSION HARNESS Original ONAN/CUMMINS OEM part
ONAN
$76.08$69.50Precision wiring for uninterrupted energy flow and system integrity Designed to extend harness connectivity securely for optimal generator performance Durable materials engineered to withstand...$76.08$69.50 -
ONAN A049B313 POWER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$7,396.32$6,756.54Cummins POWER HARNESS A049B313 Find the authentic Cummins POWER HARNESS with SKU A049B313 at our store. Engineered by Cummins, this POWER HARNESS ensures top-notch quality and performance for your...$7,396.32$6,756.54 -
ONAN A049A568 EXTENSION HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,013.03$925.40Precision engineered to empower your Onan generator’s connectivity and uptime Durable, weather-resistant design ensures consistent performance in demanding environments OEM construction guarantees...$1,013.03$925.40 -
ONAN A048V942 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$7,677.07$7,013.01Cummins INTERFACE HARNESS A048V942 Explore our store for the genuine INTERFACE HARNESS by Cummins, with SKU A048V942. Our selection guarantees quality and compatibility, ensuring seamless...$7,677.07$7,013.01 -
ONAN A048T764 HARNESS Original ONAN/CUMMINS OEM part
ONAN
$108.08$98.73Engineered precision meets lasting dependability Durable construction for seamless electrical connectivity Designed for specific integration with ONAN generator systems Genuine OEM part ensuring...$108.08$98.73 -
ONAN A048N050 HARNESS WIRING Original ONAN/CUMMINS OEM part
ONAN
$38.82$35.46Experience unmatched precision and durability designed to keep your generator running flawlessly. Constructed for optimal electrical connection and long-lasting resilience under demanding conditions...$38.82$35.46 -
ONAN A048L482 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$204.16$186.50Cummins INTERFACE HARNESS A048L482 Find the original "INTERFACE HARNESS" with SKU "A048L482" by the renowned brand Cummins at our store. We pride ourselves on offering top-quality replacement parts...$204.16$186.50 -
ONAN A048J784 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$218.04$199.18Precision-engineered to maintain your generator’s peak performance Robust design guarantees long-term durability in demanding environments Facilitates accurate control signal transmission for...$218.04$199.18 -
ONAN A048J782 HARNESS WIRING Original ONAN/CUMMINS OEM part
ONAN
$420.73$384.33Precision engineered by ONAN for dependable power delivery Ensures seamless electrical connectivity within your generator system Designed to withstand the rigors of continuous operation and harsh...$420.73$384.33 -
ONAN A047Y893 DIRECT CURRENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$449.12$410.27Engineered to empower your generator's heartbeat Seamless electrical integration for consistent power delivery Durable wiring harness designed to withstand demanding conditions Authentic OEM...$449.12$410.27 -
ONAN A047V568 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,606.60$1,467.63Precision-engineered connectivity for dependable power delivery Designed to maintain efficient signal pathways for engine control and safety Robust construction ensuring durability under demanding...$1,606.60$1,467.63 -
ONAN A047T750 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$580.48$530.27Precision-crafted to power your generator’s heartbeat Superior electrical connectivity for flawless engine communication Engineered to withstand harsh environments and daily wear 100% Genuine OEM...$580.48$530.27 -
ONAN A047L138 GENSET HARNESS Original ONAN/CUMMINS OEM part
ONAN
$309.65$282.87Precision engineered harness for seamless power delivery Robust, long-lasting build to withstand demanding operational conditions Optimized for perfect compatibility with Onan genset...$309.65$282.87 -
ONAN A046M769 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$42.40$38.74Cummins WIRING HARNESS A046M769 Get your outdoor equipment up and running with the genuine "WIRING HARNESS" from Cummins. Designed for optimal performance and durability, SKU A046M769 ensures a...$42.40$38.74 -
ONAN A046A511 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,245.13$1,137.42Power your engine connections with precision and confidence Engineered to deliver flawless electrical performance for your ONAN generator Provides critical signal integrity to maintain engine health...$1,245.13$1,137.42 -
ONAN A045N127 JUMPER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$129.63$118.41Cummins JUMPER HARNESS A045N127 Discover the top-quality Cummins A045N127 JUMPER HARNESS, an essential replacement part for your outdoor equipment. Our store is your ultimate destination for genuine...$129.63$118.41 -
ONAN A045D566 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$395.36$361.16Cummins WIRING HARNESS A045D566 Find peace of mind in repairing your outdoor equipment with the original Cummins WIRING HARNESS, SKU A045D566. Engineered with precision, this essential part ensures...$395.36$361.16 -
ONAN A044N411 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,767.00$1,614.16Cummins WIRING HARNESS A044N411 Discover the genuine Cummins WIRING HARNESS with SKU A044N411 at our store. Sourced directly from the brand, this product ensures a perfect fit and reliable...$1,767.00$1,614.16 -
ONAN A044H856 FUEL PUMP HARNESS Original ONAN/CUMMINS OEM part
ONAN
$643.93$588.23Cummins FUEL PUMP HARNESS A044H856 Discover the authentic Cummins FUEL PUMP HARNESS with SKU A044H856 at our online store. Ensure optimal performance and longevity for your outdoor equipment with...$643.93$588.23