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 3383169 45 FT REMOTE PANEL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$261.62$238.99Precision engineered for flawless connectivity and dependable performance. Streamlines remote panel communication for optimum generator control. Durable construction ensures long-lasting service in...$261.62$238.99 -
ONAN 3382102 REMOTE HARNESS 6 PIGTAIL Original ONAN/CUMMINS OEM part
ONAN
$23.85$21.79Cummins REMOTE HARNESS 6 PIGTAIL 338-2102 Find the original "REMOTE HARNESS 6 PIGTAIL" with SKU "338-2102" by Cummins at our store. With our commitment to quality, this product ensures a reliable...$23.85$21.79 -
CUMMINS 3165141 ELECTRICAL WIRING HARNESS Original OEM part
CUMMINS
$171.43$156.60Cummins 3165141 - ELECTRICAL WIRING HARNESS MINS3165141 Our store proudly offers the original 3165141 - ELECTRICAL WIRING HARNESS by Cummins. Designed for seamless compatibility and top-notch...$171.43$156.60 -
CUMMINS 3083781 WIRING HARNESS Original OEM part
CUMMINS
$1,527.56$1,395.43Engineered to deliver precise connectivity and superior durability in every application Designed to maintain seamless electrical flow, preventing downtime and costly repairs Directly sourced from...$1,527.56$1,395.43 -
CUMMINS 3074287 WIRING HARNESS Original OEM part
CUMMINS
$508.40$464.43Unwavering precision for your Cummins power system. Robust design ensuring optimal electrical connectivity. Durable materials crafted for long-lasting service life. 100% Genuine OEM Cummins...$508.40$464.43 -
CUMMINS 3056357 WIRING HARNESS Original OEM part
CUMMINS
$89.00$81.31Precision-engineered connection for seamless power delivery Robust construction ensuring long-lasting durability in demanding environments 100% genuine OEM Cummins component for guaranteed...$89.00$81.31 -
CUMMINS 2864492 WIRING HARNESS Original OEM part
CUMMINS
$2,550.60$2,329.98Excellence in connection for uninterrupted power. Designed for precise fit and enhanced durability to maintain superior electrical flow. Expertly engineered to resist wear and environmental stress...$2,550.60$2,329.98 -
CUMMINS 2864484 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$2,809.06$2,566.08Engineered Excellence for Reliable Power Control Precision molded connectors ensure secure, corrosion-resistant electrical connections Designed to withstand demanding operational stresses,...$2,809.06$2,566.08 -
CUMMINS 213273 WIRING HARNESS Original OEM part
CUMMINS
$163.38$149.25Cummins 213273 - WIRING HARNESS MINS213273 Find the genuine "213273 - WIRING HARNESS" by Cummins, with SKU "MINS213273," at our online store. Our commitment to authenticity sets us apart, ensuring...$163.38$149.25 -
ONAN A029C238 BATTERY HARNESS Original ONAN/CUMMINS OEM part
ONAN
$330.20$301.64Engineered for uncompromised power connectivity and durability Reliable battery harness delivering consistent energy flow to your Onan generator Designed exclusively as an OEM part to guarantee...$330.20$301.64 -
ONAN 3384498 BATTERY HARNESS Original ONAN/CUMMINS OEM part
ONAN
$274.77$251.00Depend on genuine ONAN engineering to power your peace of mind Precision-crafted wiring harness for flawless electrical connection Durable construction withstands harsh environments and...$274.77$251.00 -
ONAN 338396401 ENGINE OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$395.47$361.26Precision engineered for trusted energy delivery with ONAN’s expertise Durable construction designed to withstand demanding outdoor conditions Seamless integration to maintain your engine’s optimal...$395.47$361.26 -
ONAN 338349002 30 FT REMOTE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$173.56$158.55Power your system with precision and confidence using genuine ONAN components. Extended 30-foot length for flexible and convenient remote connections. Robust, durable wiring designed to withstand...$173.56$158.55 -
ONAN 3384384 AC HARNESS Original ONAN/CUMMINS OEM part
ONAN
$188.34$172.05Precision engineered to empower your generator’s heart. Durable construction ensures consistent, uninterrupted AC power flow. Designed to maximize compatibility and electrical efficiency within your...$188.34$172.05 -
ONAN 3383637 REMOTE PANEL OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$101.16$92.41Cummins REMOTE PANEL OUTDOOR POWER EQUIPMENT HARNESS 338-3637 Explore our wide selection of original Cummins REMOTE PANEL OUTDOOR POWER EQUIPMENT HARNESS, SKU 338-3637, ensuring seamless...$101.16$92.41 -
ONAN 3383509 REMOTE PANEL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$43.73$39.95Cummins REMOTE PANEL HARNESS 338-3509 Find the genuine Cummins REMOTE PANEL HARNESS with SKU 338-3509 at our online store. Made to exact specifications, this harness ensures seamless performance...$43.73$39.95 -
ONAN C1300120 ALTERNATOR WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$162.95$148.85Engineered for Precise Compatibility: Maintain optimal function with a wiring harness designed exclusively for ONAN alternators. Durability That Lasts: Built to withstand the rigors of constant use...$162.95$148.85 -
ONAN B2510294 HARNESS Original ONAN/CUMMINS OEM part
ONAN
$763.72$697.66Unwavering Connectivity for Reliable Power Precision-engineered wiring harness for flawless signal transmission Enhanced durability to withstand rugged operational environments Authentic ONAN OEM...$763.72$697.66 -
ONAN A057M037 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$352.70$322.20Cummins INTERFACE HARNESS A057M037 Discover the top-quality Cummins INTERFACE HARNESS, SKU A057M037, at our online store. This original replacement part ensures optimal performance for your outdoor...$352.70$322.20 -
ONAN A051G461 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$293.40$268.03Cummins WIRING HARNESS A051G461 Browse no further for an authentic Cummins WIRING HARNESS with SKU A051G461. Our store ensures top-notch quality and precise fit for your equipment. Don't miss out on...$293.40$268.03 -
ONAN A051G439 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$334.92$305.95Cummins WIRING HARNESS A051G439 The genuine "WIRING HARNESS" from Cummins with the SKU "A051G439" ensures high-quality performance and compatibility. Trust our store for original parts that...$334.92$305.95 -
ONAN A043V423 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$650.73$594.44Precision-Engineered Durability: Every connection optimized for seamless power delivery. Enhanced Signal Integrity: Ensures flawless communication between engine components for smooth operation...$650.73$594.44 -
ONAN A035E719 LOWER COOLANT LEVEL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$59.38$54.25Cummins LOWER COOLANT LEVEL HARNESS A035E719 Find the genuine Cummins LOWER COOLANT LEVEL HARNESS with SKU A035E719 at our store. Our commitment to quality ensures you get the exact replacement part...$59.38$54.25 -
ONAN 45016428 HARNESS MX321 PLAY Original ONAN/CUMMINS OEM part
ONAN
$24.59$22.47Experience seamless power connection with the trusted ONAN 450-16428 HARNESS MX321 PLAY. Engineered for unmatched reliability, this harness ensures stable signal and power transmission in your...$24.59$22.47 -
FLEETGUARD SP72232JX WIRING HARNESS Original FLEETGUARD OEM part
FLEETGUARD
$177.54$162.18Fleetguard SP72232-JX - WIRING HARNESS - Original part FLGSP72232-JX Discover the authentic SP72232-JX Wiring Harness by Fleetguard. We are the ultimate destination for genuine replacement parts,...$177.54$162.18 -
CUMMINS 5665952 WIRING HARNESS Original OEM part
CUMMINS
$518.13$473.31Reliability engineered to empower your Cummins engine every step of the way. Precision-crafted wiring harness ensuring flawless electrical connectivity and system integrity. Durable construction...$518.13$473.31 -
CUMMINS 5661889 WIRING HARNESS Original OEM part
CUMMINS
$254.09$232.12Precision-engineered connectivity for uncompromised power delivery Durable design ensures consistent electrical performance in demanding environments Manufactured as an original equipment part by...$254.09$232.12 -
CUMMINS 5621446 WIRING HARNESS Original OEM part
CUMMINS
$174.80$159.68Engineered for precision and lasting endurance Optimizes electrical flow for superior engine responsiveness Genuine OEM Cummins part guaranteeing perfect compatibility and warranty...$174.80$159.68 -
CUMMINS 5586851 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$3,631.79$3,317.64Precision engineered for seamless power system integration Robust design ensures lasting reliability under demanding conditions Optimizes control module communication for enhanced engine...$3,631.79$3,317.64 -
CUMMINS 5573217 ELECTRICAL DATA HARNESS Original OEM part
CUMMINS
$491.04$448.56Engineered Precision for Reliable Data Transmission Durable construction to withstand demanding power system environments Optimized for seamless integration with Cummins generator controls 100%...$491.04$448.56 -
CUMMINS 5568836 WIRING HARNESS Original OEM part
CUMMINS
$50.09$45.76Precision-engineered wiring solutions for uncompromising power connectivity Robust design ensuring seamless electrical performance in demanding environments Durability that matches the legacy of...$50.09$45.76 -
CUMMINS 5544897 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$6,366.26$5,815.58Engineered precision for unparalleled control and connectivity Robust design ensuring long-lasting performance under demanding conditions Manufactured as a genuine OEM component for guaranteed...$6,366.26$5,815.58 -
CUMMINS 5544896 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$7,900.62$7,217.21Precision-engineered connectivity delivering seamless signal transmission Designed specifically for CUMMINS control modules ensuring full compatibility Built to withstand harsh operating...$7,900.62$7,217.21 -
CUMMINS 5544880 HARNESS AIR FLOW METER WIRING Original OEM part
CUMMINS
$3,216.83$2,938.57Engineered for Reliability: Experience seamless integration and enduring performance with this essential wiring harness. Precision Airflow Monitoring: Ensures accurate signal transmission for...$3,216.83$2,938.57 -
CUMMINS 5538113 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$11,341.64$10,360.59Precision engineered for flawless electrical communication within your Cummins system Robust construction designed to withstand harsh environments and ensure long-term durability Direct OEM...$11,341.64$10,360.59 -
CUMMINS 5538112 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$10,961.72$10,013.53Precision engineered for seamless integration and long-lasting operation Robust wiring designed to maintain control module communication under demanding conditions Certified genuine Cummins OEM part...$10,961.72$10,013.53 -
CUMMINS 5524642 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$2,068.16$1,889.27Precision-engineered for seamless integration and unmatched durability Optimized to preserve control module communication and engine efficiency Genuine Cummins OEM component guaranteeing perfect...$2,068.16$1,889.27 -
CUMMINS 5506456 WIRING HARNESS Original OEM part
CUMMINS
$205.23$187.48Precision engineered to empower your Cummins system’s heartbeat. Robust construction for unwavering electrical connectivity under demanding conditions. Designed to endure harsh operating...$205.23$187.48 -
CUMMINS 5483719 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$2,320.19$2,119.50Precision engineered for seamless integration to maintain peak generator and engine performance. Ensures reliable signal transmission in demanding power generation environments. Direct from Cummins,...$2,320.19$2,119.50 -
CUMMINS 5482237 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$959.50$876.51Precision-engineered for seamless integration with Cummins control modules Robust materials ensure long-lasting durability under demanding conditions Essential component for maintaining optimal...$959.50$876.51