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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
CUMMINS 5448648 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$497.20$454.20Engineered for uncompromising reliability and seamless integration Precision-built external control module wiring harness for optimal power system communication Durable design crafted to withstand...$497.20$454.20 -
CUMMINS 5415189 WIRING HARNESS Original OEM part
CUMMINS
$1,812.36$1,655.59Precision-engineered connectivity for flawless power delivery. Robust construction designed to withstand demanding conditions. Certified OEM Cummins part guaranteeing exact fit and performance...$1,812.36$1,655.59 -
CUMMINS 5403890 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$2,471.20$2,257.45Engineered to bring precision and reliability to your power system’s heart. Seamless electrical integration for optimal control module communication. Durable construction resists wear, moisture, and...$2,471.20$2,257.45 -
CUMMINS 5372879 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$8,165.97$7,459.62Cummins 5372879 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS5372879 The Cummins 5372879 - EXTERNAL CONTROL MODULE WIRING HARNESS is a must-have replacement part for outdoor equipment. Our store...$8,165.97$7,459.62 -
CUMMINS 5366279 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,751.40$1,599.91Cummins 5366279 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS5366279 Find the authentic Cummins 5366279 - EXTERNAL CONTROL MODULE WIRING HARNESS, known for its quality and reliability, in our store...$1,751.40$1,599.91 -
CUMMINS 5335174 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$4,723.80$4,315.20Unmatched engineering precision for uncompromised power control Reliable signal transmission to optimize engine and generator performance Durable construction engineered to endure demanding...$4,723.80$4,315.20 -
CUMMINS 5334548 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,591.22$1,453.58Precision in every connection for peak Cummins power delivery Engineered for unwavering control system integrity Robust design ensures long-term reliability under demanding conditions Genuine...$1,591.22$1,453.58 -
CUMMINS 5311296 WIRING HARNESS Original OEM part
CUMMINS
$1,542.09$1,408.70Designed for seamless power and control integration, every connection counts. Precision-engineered wiring harness ensures stable signal transmission for optimum engine function. Built to withstand...$1,542.09$1,408.70 -
CUMMINS 5273895 WIRING HARNESS Original OEM part
CUMMINS
$693.89$633.87Cummins 5273895 - WIRING HARNESS MINS5273895 Enhance your outdoor equipment's performance with the genuine 5273895 - WIRING HARNESS by Cummins, SKU MINS5273895. Our store offers original replacement...$693.89$633.87 -
CUMMINS 4387957 WIRING HARNESS Original OEM part
CUMMINS
$431.72$394.37Precision engineered for seamless connectivity and enduring performance. Robust wiring construction ensures superior signal integrity and resistance to environmental stress. Optimizes engine control...$431.72$394.37 -
FLEETGUARD SP72233JX WIRING HARNESS Original FLEETGUARD OEM part
FLEETGUARD
$653.58$597.05Fleetguard SP72233-JX - WIRING HARNESS - Original part FLGSP72233-JX Look no further for the genuine SP72233-JX - WIRING HARNESS - Original part by Fleetguard, SKU FLGSP72233-JX. Our store ensures...$653.58$597.05 -
CUMMINS EA8617 OEM INTERFACE HARNESS Original OEM part
CUMMINS
$96.50$88.16Power your system with precision and dependability. Engineered for flawless communication between control modules. Durable construction to withstand harsh environments and extended operation...$96.50$88.16 -
ONAN A065R811 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$128.86$117.71Cummins WIRING HARNESS A065R811 Our online store offers the original "WIRING HARNESS" with SKU "A065R811" from the reliable brand "Cummins," ensuring top-quality replacement parts for your lawn...$128.86$117.71 -
ONAN A064N798 LOWER COOLANT LEVEL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$433.09$395.63Cummins LOWER COOLANT LEVEL HARNESS A064N798 Get your hands on the genuine LOWER COOLANT LEVEL HARNESS with SKU A064N798 from Cummins. Our store offers the best price and fast shipping on this...$433.09$395.63 -
ONAN A061B655 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$515.10$470.55Cummins INTERFACE HARNESS A061B655 Discover the authentic Cummins INTERFACE HARNESS with SKU A061B655 at our online store, the ultimate destination for original replacement parts. Engineered by...$515.10$470.55 -
ONAN A060N083 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$174.42$159.33Cummins WIRING HARNESS A060N083 Upgrade your outdoor equipment with the genuine Cummins WIRING HARNESS (SKU: A060N083). Our store is your top choice for authentic replacement parts. Ensure optimal...$174.42$159.33 -
ONAN A059U443 GENSET HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,167.46$1,066.48Engineered Precision for Enduring Power Delivery Robust Construction Ensuring Optimal Signal Integrity Seamless Integration with ONAN Generator Systems Certified Genuine OEM Component by ONAN for...$1,167.46$1,066.48 -
ONAN A058P546 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,683.00$1,537.43Unwavering Reliability in Every Connection Precision-engineered to ensure seamless electrical communication within your generator system Constructed to withstand demanding environments and maintain...$1,683.00$1,537.43 -
ONAN A057P767 HEATER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$16.68$15.24Elevate your generator’s efficiency with authentic ONAN engineering Precision-crafted heater harness ensuring flawless electrical connectivity Built to withstand rigorous operational demands and...$16.68$15.24 -
ONAN A055H440 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$5,825.36$5,321.47Cummins INTERFACE HARNESS A055H440 Discover the authentic "INTERFACE HARNESS" with product SKU "A055H440" by Cummins available at our store. Engineered with precision to ensure seamless...$5,825.36$5,321.47 -
ONAN A054W790 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$10,334.40$9,440.48Precision-engineered to maintain seamless power delivery and system integrity Durable construction for long-lasting performance under demanding conditions Essential for optimal engine control and...$10,334.40$9,440.48 -
ONAN A054V959 HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,314.07$1,200.40Precision craftsmanship ensuring seamless integration Durable construction engineered for extended service life Original Equipment Manufacturer (OEM) quality from ONAN for guaranteed...$1,314.07$1,200.40 -
ONAN A054R544 PARALLELING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,058.79$967.21Cummins PARALLELING HARNESS A054R544 Find the genuine Cummins PARALLELING HARNESS with SKU A054R544 at our online store. Our collection of original replacement parts guarantees high-quality...$1,058.79$967.21 -
ONAN A054H790 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$2,336.31$2,134.22Cummins WIRING HARNESS A054H790 Our store proudly offers the authentic "WIRING HARNESS" with the SKU "A054H790" by the renowned brand Cummins. This high-quality replacement part guarantees a perfect...$2,336.31$2,134.22 -
ONAN A053H560 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$595.34$543.84Engineered for Excellence: Experience unmatched compatibility and durability with this authentic ONAN A053H560 ENGINE HARNESS. Optimized Power Delivery: Maintain your generator’s peak efficiency by...$595.34$543.84 -
ONAN A052B707 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$7,052.60$6,442.56Engineered Precision for Dependable Power Optimized Connectivity to Ensure Smooth Control Signal Flow Robust Construction for Extended Durability in Harsh Environments 100% Genuine OEM ONAN...$7,052.60$6,442.56 -
ONAN A051Z172 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$489.70$447.35Precision-crafted for seamless connectivity: Experience the difference with the ONAN A051Z172 engine harness designed to deliver flawless electrical integration. Durability that withstands the...$489.70$447.35 -
ONAN A051X341 EXTENSION HARNESS Original ONAN/CUMMINS OEM part
ONAN
$3,620.88$3,307.68Dependable connection for seamless power delivery Designed to extend wiring with precision and durability Authentic ONAN OEM component engineered for compatibility ONAN A051X341 EXTENSION...$3,620.88$3,307.68 -
ONAN A049L012 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$3,027.68$2,765.79Precision crafted for seamless power and performance integration Durable wiring harness optimized to maintain engine communication and electrical stability Rigorously tested to meet OEM Cummins/Onan...$3,027.68$2,765.79 -
ONAN A048S293 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$730.05$666.90Experience unmatched reliability with the genuine ONAN A048S293 engine harness, engineered for seamless integration. Crafted to maintain optimal engine communication and power delivery, ensuring...$730.05$666.90 -
ONAN A048S268 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$721.89$659.45Precision-engineered for lasting power and seamless integration Ensures reliable signal transmission for efficient engine operation Protects against electrical faults and maintains system...$721.89$659.45 -
ONAN 80011249 FIELD AND PMG HARNESS Original ONAN/CUMMINS OEM part
ONAN
$76.60$69.98Power your legacy with precision-engineered reliability. Seamless electrical connectivity for your generator's optimal function. Robust design built to endure demanding operational conditions...$76.60$69.98 -
FLEETGUARD 3966458S WIRE HARNESS Original FLEETGUARD OEM part
FLEETGUARD
$602.80$550.66Fleetguard 3966458-S - WIRE HARNESS FLG3966458-S Upgrade your outdoor equipment with the reliable 3966458-S - WIRE HARNESS from Fleetguard. Our store is the ultimate destination for authentic...$602.80$550.66 -
ONAN 3384929 ACCESSORY HARNESS Original ONAN/CUMMINS OEM part
ONAN
$107.17$97.90Precision engineered for flawless connectivity and long-lasting performance Ensures optimal signal transmission and system reliability for your Onan generator Designed for quick installation and...$107.17$97.90 -
CUMMINS 5633457 INSTALLATION HARNESS KIT Original OEM part
CUMMINS
$23.54$21.50Cummins 5633457 - INSTALLATION HARNESS KIT MINS5633457 Look no further for the genuine Cummins 5633457 - INSTALLATION HARNESS KIT, available at our store. Engineered to precise standards, this kit...$23.54$21.50 -
CUMMINS 5622059 INJECTOR WIRING HARNESS Original OEM part - SUPERSEDED FROM 5474497
CUMMINS
$330.83$302.21Engineered to deliver uncompromised electrical connectivity under intense operating conditions Durable construction tailored to maintain precise injector signal integrity for peak engine...$330.83$302.21 -
CUMMINS 5612187 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,789.58$1,634.78Cummins 5612187 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS5612187 When it comes to quality and authenticity, look no further than our store for the genuine Cummins 5612187 - EXTERNAL CONTROL...$1,789.58$1,634.78 -
CUMMINS 5592421 WIRING HARNESS Original OEM part
CUMMINS
$115.13$105.17Precision-engineered connectivity for seamless power and control signal transmission Durable construction ensuring resistance to vibration, heat, and wear over extended use 100% Genuine Cummins OEM...$115.13$105.17 -
CUMMINS 5590368 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$2,206.28$2,015.44Cummins 5590368 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS5590368 Upgrade your outdoor equipment with the authentic Cummins 5590368 - EXTERNAL CONTROL MODULE WIRING HARNESS. Ensure peak...$2,206.28$2,015.44 -
CUMMINS 5588721 WIRING HARNESS Original OEM part
CUMMINS
$1,105.68$1,010.04Engineered excellence meets uncompromising reliability Designed to ensure precise electrical connections within your Cummins generator systems Durable construction for long-lasting service under...$1,105.68$1,010.04