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 338436001 NEGATIVE ALARM HARNESS Original ONAN/CUMMINS OEM part
ONAN
$64.92$59.30Cummins NEGATIVE ALARM HARNESS 338-4360-01 Find the authentic Cummins NEGATIVE ALARM HARNESS with SKU 338-4360-01 at our store for top-notch quality and compatibility. Our store stands out as the...$64.92$59.30 -
ONAN 3382608 OUTDOOR POWER EQUIPMENT WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$29.72$27.15Cummins OUTDOOR POWER EQUIPMENT WIRING HARNESS 338-2608 Explore our store for the highest quality "OUTDOOR POWER EQUIPMENT WIRING HARNESS" by Cummins (SKU: 338-2608). Designed with precision to...$29.72$27.15 -
ONAN A029A424 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$47.42$43.32Cummins WIRING HARNESS A029A424 Upgrade your outdoor equipment with the high-quality "WIRING HARNESS" from Cummins, SKU A029A424. Our store is your go-to destination for genuine replacement parts,...$47.42$43.32 -
ONAN 338429503 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$82.04$74.94Experience unmatched reliability with the ONAN 338-4295-03 CONTROL HARNESS, designed to seamlessly connect and safeguard your generator's control system. Precision engineering ensures stable power...$82.04$74.94 -
ONAN 3385241 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$77.92$71.18Precision-engineered connection for optimized generator control Durable construction to withstand demanding operational environments Authentic OEM part from ONAN for perfect compatibility and...$77.92$71.18 -
ONAN 338388403 CURRENT TRANSFORMER MODULE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$79.16$72.31Precision-engineered connectivity for uninterrupted power management Robust construction ensures durability under the most demanding operating conditions Genuine OEM Onan part designed specifically...$79.16$72.31 -
ONAN 3385072 CT AC HARNESS Original ONAN/CUMMINS OEM part
ONAN
$78.34$71.56Engineered to elevate your generator’s AC power connectivity with uncompromising integrity Designed for seamless electrical transmission to optimize generator performance Durable construction...$78.34$71.56 -
ONAN 3384086 HARNESS VALVE EXT Original ONAN/CUMMINS OEM part
ONAN
$59.78$54.61Experience unmatched reliability with the precision-engineered ONAN 338-4086 HARNESS VALVE EXT designed specifically for your generator’s optimal performance. Featuring robust construction to...$59.78$54.61 -
ONAN 3385266 F1 F2 EXTENSION HARNESS Original ONAN/CUMMINS OEM part
ONAN
$71.66$65.46Engineered for seamless integration and dependable power delivery Reinforced design for enhanced durability and long service life Certified genuine OEM part by ONAN for guaranteed...$71.66$65.46 -
ONAN 3381413 OUTDOOR POWER EQUIPMENT WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$17.96$16.41Cummins OUTDOOR POWER EQUIPMENT WIRING HARNESS 338-1413 Discover the genuine Cummins 338-1413 Outdoor Power Equipment Wiring Harness, a quality replacement part essential for maintaining peak...$17.96$16.41 -
ONAN 3382547 OUTDOOR POWER EQUIPMENT WIRING HARNESS PERMANENT MAGNET GENERATOR Original ONAN/CUMMINS OEM part
ONAN
$443.03$404.71Cummins OUTDOOR POWER EQUIPMENT WIRING HARNESS PERMANENT MAGNET GENERATOR 338-2547 Upgrade your outdoor power equipment with the Cummins 338-2547 Wiring Harness Permanent Magnet Generator. Our store...$443.03$404.71 -
ONAN 3383580 FUEL PUMP OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$46.68$42.65Power your equipment with uncompromised precision and reliability. Engineered for maximum fuel efficiency and sustained performance. Designed to ensure seamless integration and optimal fuel delivery...$46.68$42.65 -
ONAN 3383894 DIODE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$75.22$68.71Precision engineered for flawless power delivery in every Onan generator. Ensures optimal electrical flow for dependable engine starts and stable operation. Durable construction designed to...$75.22$68.71 -
ONAN 338420002 GROUND HARNESS Original ONAN/CUMMINS OEM part
ONAN
$41.79$38.18Engineered precision for power you can trust. Robust grounding ensures stable and safe generator operation. Durable design that withstands harsh environments and long-term use. 100% genuine OEM ONAN...$41.79$38.18 -
ONAN 3383093 REMOTE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$28.03$25.60Cummins REMOTE HARNESS 338-3093 Find the perfect replacement REMOTE HARNESS with SKU 338-3093 from the trusted brand Cummins at our online store. Our selection of original parts ensures top quality...$28.03$25.60 -
ONAN 338471901 EXTENSION HARNESS Original ONAN/CUMMINS OEM part
ONAN
$227.77$208.07Precision-engineered to empower your Onan generator’s connectivity and efficiency Durable construction resists wear and environmental stress for lasting performance Facilitates effortless extension...$227.77$208.07 -
ONAN 45044700 FRAME 4/5 PM WIRING HARNE Original ONAN/CUMMINS OEM part
ONAN
$54.78$50.04Engineered for Precision and Durability Highly Reliable Wiring Harness Ensuring Seamless Electrical Connectivity Tailored for ONAN Frame 4 and 5 Generators for Easy and Perfect Installation 100%...$54.78$50.04 -
ONAN 3384490 TRANSFORMER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$32.95$30.10Cummins TRANSFORMER HARNESS 338-4490 Discover the top-quality "TRANSFORMER HARNESS" by Cummins with SKU 338-4490, essential for your outdoor equipment. Our store is the ultimate destination for...$32.95$30.10 -
ONAN 3383757 LOWER COOLANT LEVEL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$44.77$40.90Cummins LOWER COOLANT LEVEL HARNESS 338-3757 Find the genuine Cummins LOWER COOLANT LEVEL HARNESS with SKU 338-3757 in our store. Ensure the high-quality and perfect fit of this essential...$44.77$40.90 -
ONAN 3384426 HARNESS XFER P ACCESSORY Original ONAN/CUMMINS OEM part
ONAN
$48.80$44.58Engineered for seamless power connectivity and unwavering reliability. Robust design ensures consistent transfer operations under all conditions. Facilitates smooth integration with your Onan...$48.80$44.58 -
ONAN 3383690 STANDARD HARNESS Original ONAN/CUMMINS OEM part
ONAN
$31.04$28.35Cummins STANDARD HARNESS 338-3690 Upgrade your outdoor equipment with the genuine "STANDARD HARNESS" from Cummins. Our store offers the original 338-3690 harness at the best price, ensuring...$31.04$28.35 -
ONAN 3384315 POWER HARNES Original ONAN/CUMMINS OEM part
ONAN
$47.78$43.65Cummins POWER HARNES 338-4315 Enter the world of high-quality outdoor equipment maintenance with the original Cummins POWER HARNES (SKU: 338-4315). Explore our store's inventory for this essential...$47.78$43.65 -
ONAN 3384323 SINGLE FUEL ALARM HARNESS Original ONAN/CUMMINS OEM part
ONAN
$24.90$22.75Cummins SINGLE FUEL ALARM HARNESS 338-4323 Find peace of mind with the original SINGLE FUEL ALARM HARNESS (SKU: 338-4323) from Cummins. Our store stands out as your top choice for authentic...$24.90$22.75 -
ONAN 3383512 REMOTE PANEL OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$26.04$23.79Cummins REMOTE PANEL OUTDOOR POWER EQUIPMENT HARNESS 338-3512 Discover the original REMOTE PANEL OUTDOOR POWER EQUIPMENT HARNESS by Cummins, SKU 338-3512, at our online store. Engineered to precise...$26.04$23.79 -
ONAN 3383265 PERMANENT MAGNET GENERATOR WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$37.06$33.86Cummins PERMANENT MAGNET GENERATOR WIRING HARNESS 338-3265 Get your hands on the genuine Cummins PERMANENT MAGNET GENERATOR WIRING HARNESS with SKU 338-3265 from our store. Our products are known...$37.06$33.86 -
ONAN 338338302 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$11.53$10.53Trust the precision of genuine ONAN craftsmanship in every connection. Designed for seamless integration to maintain flawless control system communication. Durable construction ensures consistent...$11.53$10.53 -
ONAN 3384510 BATTERY CHARGER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$33.13$30.26Precision engineered for seamless integration and enduring reliability Robust construction delivering consistent battery charging performance Designed to optimize power system efficiency while...$33.13$30.26 -
ONAN 338472501 FUEL SELECT PLUG HARNESS Original ONAN/CUMMINS OEM part
ONAN
$27.29$24.93Cummins FUEL SELECT PLUG HARNESS 338-4725-01 For those in need of a reliable replacement part, look no further than the FUEL SELECT PLUG HARNESS by Cummins. Our store proudly offers the authentic...$27.29$24.93 -
ONAN 3384839 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$27.27$24.91Unwavering connectivity for your power solution Precision-engineered wiring for optimal engine communication Durable construction designed to withstand demanding generator environments Authentic OEM...$27.27$24.91 -
ONAN 3385023 STEALTH PIG REMOTE PANEL HARNES Original ONAN/CUMMINS OEM part
ONAN
$18.46$16.86Cummins STEALTH PIG REMOTE PANEL HARNES 338-5023 Find the authentic Cummins "STEALTH PIG REMOTE PANEL HARNES" (SKU: 338-5023) at our store, your top destination for genuine replacement parts. Our...$18.46$16.86 -
ONAN 3383740 FUEL ALARM OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$7.03$6.42Depend on ONAN precision for uninterrupted power protection Critical fuel level monitoring to prevent unexpected shutdowns Durable design made specifically for ONAN generator models 100% genuine OEM...$7.03$6.42 -
ONAN 3004946 REMOTE PANEL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$16.13$14.73Cummins REMOTE PANEL HARNESS 300-4946 Find the original Cummins REMOTE PANEL HARNESS with SKU 300-4946 at our store. Engineered for precision and designed for durability, this product ensures...$16.13$14.73 -
ONAN 3385279 EXTENSION HARNESS Original ONAN/CUMMINS OEM part
ONAN
$31.36$28.65Engineered for flawless connectivity and durability to keep your power system running smoothly. Extends wiring capabilities while maintaining signal integrity and system safety. Designed and...$31.36$28.65 -
ONAN 3384258 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$26.45$24.16Cummins INTERFACE HARNESS 338-4258 Find the authentic Cummins INTERFACE HARNESS with SKU 338-4258 at our online store. This original replacement part ensures optimal performance and compatibility...$26.45$24.16 -
ONAN 3383510 REMOTE PANEL OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$16.70$15.26Cummins REMOTE PANEL OUTDOOR POWER EQUIPMENT HARNESS 338-3510 When it comes to sourcing genuine parts like the REMOTE PANEL OUTDOOR POWER EQUIPMENT HARNESS, look no further than our online store. We...$16.70$15.26 -
ONAN 3383886 NETWORK OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$30.36$27.73Cummins NETWORK OUTDOOR POWER EQUIPMENT HARNESS 338-3886 Explore the power of the NETWORK OUTDOOR POWER EQUIPMENT HARNESS (SKU: 338-3886) by Cummins, exclusively available at our store. With a...$30.36$27.73 -
ONAN 3383348 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$16.80$15.35Cummins WIRING HARNESS 338-3348 Find the authentic "WIRING HARNESS" by Cummins with SKU "338-3348" at our store. We pride ourselves on providing original replacement parts that guarantee quality and...$16.80$15.35 -
ONAN 3385414 ACCESSORY HARNESS Original ONAN/CUMMINS OEM part
ONAN
$18.46$16.86Performance that powers trust: engineered to ensure flawless connectivity and signal integrity. Durability built for endurance: withstands harsh operating conditions to keep your system running...$18.46$16.86 -
ONAN 3383285 HARNESS JUMPER Original ONAN/CUMMINS OEM part
ONAN
$30.54$27.90Engineered for Excellence in Every Connection Precision-fit harness jumper ensuring reliable electrical continuity Durable design built to withstand rigorous generator environments Certified genuine...$30.54$27.90