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 338499503 ENGINE HEATER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$280.30$256.06Precision power, unwavering reliability — engineered for your peace of mind Reliable engine heating ensures smooth startups even in the coldest environments Durable harness construction engineered...$280.30$256.06 -
ONAN 338333508 WATER HEATER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$201.80$184.35Cummins WATER HEATER HARNESS 338-3335-08 Discover the genuine Cummins WATER HEATER HARNESS, SKU 338-3335-08, exclusively available at our online store. Crafted to perfection, this harness ensures...$201.80$184.35 -
ONAN 3383550 OUTDOOR POWER EQUIPMENT HARNESS GENSET Original ONAN/CUMMINS OEM part
ONAN
$129.09$117.93Cummins OUTDOOR POWER EQUIPMENT HARNESS GENSET 338-3550 The Cummins 338-3550 harness genset is the ideal replacement part for your outdoor power equipment. With our store, you can trust that you are...$129.09$117.93 -
ONAN 3384358 BATTERY HARNESS Original ONAN/CUMMINS OEM part
ONAN
$170.64$155.88Dependable Power Connectivity for Your Generator’s Heartbeat Durable, corrosion-resistant construction ensures stable electrical flow under all conditions Precision engineering guarantees full...$170.64$155.88 -
ONAN 338333503 WATER HEATER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$202.25$184.76Cummins WATER HEATER HARNESS 338-3335-03 Find the authentic Cummins WATER HEATER HARNESS, SKU 338-3335-03, only at our store. Engineered to meet topmost standards, this original harness ensures...$202.25$184.76 -
ONAN 3382504 ENGINE WIRING OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$147.92$135.12Precise Engineering for Optimal Connectivity Durable Materials Designed to Withstand Harsh Outdoor Conditions 100% Genuine ONAN OEM Part for Guaranteed Compatibility and Longevity ONAN 338-2504...$147.92$135.12 -
ONAN 3383842 OUTDOOR POWER EQUIPMENT HARNESS GENSET Original ONAN/CUMMINS OEM part
ONAN
$106.30$97.11Cummins OUTDOOR POWER EQUIPMENT HARNESS GENSET 338-3842 Find high-quality replacement parts for your outdoor equipment with the Cummins OUTDOOR POWER EQUIPMENT HARNESS GENSET (SKU: 338-3842) at our...$106.30$97.11 -
ONAN 338499507 ENGINE HEATER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$239.58$218.86Unmatched quality engineered for seamless power continuity Enhances cold-start performance for reliable operation in all conditions Built exclusively as an OEM part by ONAN to maintain system...$239.58$218.86 -
ONAN 3383658 MAIN OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$196.13$179.16Cummins MAIN OUTDOOR POWER EQUIPMENT HARNESS 338-3658 The MAIN OUTDOOR POWER EQUIPMENT HARNESS, product SKU 338-3658 by Cummins, is the ultimate solution for all your outdoor power equipment needs...$196.13$179.16 -
ONAN 338499506 ENGINE HEATER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$294.03$268.59Precision-crafted connectivity for reliable cold starts Durable wiring designed to withstand rigorous operating conditions Guaranteed genuine OEM component from ONAN for assured compatibility ONAN...$294.03$268.59 -
ONAN 338534501 POWER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$258.44$236.08Cummins POWER HARNESS 338-5345-01 Explore the top-notch quality of the "POWER HARNESS" with SKU "338-5345-01" by Cummins. Our store is your ultimate destination for genuine replacement parts for...$258.44$236.08 -
ONAN 3383862 MAIN HARNESS Original ONAN/CUMMINS OEM part
ONAN
$651.85$595.46Cummins MAIN HARNESS 338-3862 Find the original "MAIN HARNESS" by Cummins with SKU 338-3862 at our store. Our top-quality replacement part ensures optimal performance and durability for your outdoor...$651.85$595.46 -
ONAN A029H868 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$231.23$211.23Precision engineered for uncompromising reliability Robust construction ensures long-lasting electrical connectivity Designed exclusively as an OEM ONAN component for perfect compatibility ONAN...$231.23$211.23 -
ONAN 3382917 BATTERY CHARGE OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$236.52$216.06Engineered Precision for Enduring Power Maintains optimal battery charging efficiency under all operating conditions Designed specifically for seamless integration with Onan generator...$236.52$216.06 -
ONAN 3382237 15 FOOT REMOTE PANEL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$144.48$131.99Cummins 15 FOOT REMOTE PANEL HARNESS 338-2237 Discover the authentic Cummins 15 FOOT REMOTE PANEL HARNESS with SKU 338-2237 at our store. Ensure top-quality and reliability for your outdoor...$144.48$131.99 -
ONAN 3383847 120 VOLTS 60 HERTZ AIR BREAK OUTDOOR POWER EQUIPMENT ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$231.47$211.45Engineered to perform flawlessly in demanding outdoor power equipment applications. Robust design provides consistent electrical connectivity under harsh conditions. Maintains full OEM compatibility...$231.47$211.45 -
ONAN 3382888 ENGINE OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$62.96$57.51Precision-crafted connectivity for your Onan power system Robust construction designed to withstand outdoor conditions Fully OEM-certified to guarantee compatibility and safety Trust in the heritage...$62.96$57.51 -
ONAN 338418201 BATTERY HARNESS Original ONAN/CUMMINS OEM part
ONAN
$177.33$161.99Engineered to power your peace of mind with uncompromising quality Robust battery connection designed for optimal electrical flow Durable construction that withstands demanding generator...$177.33$161.99 -
ONAN 338338301 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$111.62$101.96Precision engineered for unwavering generator control and reliability Ensures seamless communication between control modules and engine components Durable, heat-resistant design withstands demanding...$111.62$101.96 -
ONAN 3384858 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$246.92$225.56Precision engineered for dependable power continuity Robust construction ensures seamless electrical connections under all operating conditions Designed exclusively by ONAN to maintain optimal...$246.92$225.56 -
ONAN 338396001 REMOTE PUMP OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$148.55$135.70Cummins REMOTE PUMP OUTDOOR POWER EQUIPMENT HARNESS 338-3960-01 Our online store proudly offers the original "REMOTE PUMP OUTDOOR POWER EQUIPMENT HARNESS" manufactured by Cummins with SKU...$148.55$135.70 -
ONAN 3382895 PRINTED CIRCUIT BOARD #1 HARNESS Original ONAN/CUMMINS OEM part
ONAN
$102.88$93.98Cummins PRINTED CIRCUIT BOARD #1 HARNESS 338-2895 Look no further for the original "PRINTED CIRCUIT BOARD #1 HARNESS" with SKU "338-2895" from Cummins. Our store is your ultimate destination for...$102.88$93.98 -
ONAN 338420001 GROUND HARNESS Original ONAN/CUMMINS OEM part
ONAN
$139.70$127.62Power Your Peace of Mind: Engineered for steadfast grounding protection. Durable Construction: Crafted to maintain signal integrity and system stability over time. Precisionfit OEM Component:...$139.70$127.62 -
ONAN 3383078 CABINET OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$314.46$287.26Engineered for Enduring Excellence: Harness the extraordinary with ONAN’s uncompromising quality. Precision Compatibility: Designed to seamlessly integrate with your ONAN cabinet outdoor power...$314.46$287.26 -
ONAN 3384840 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$152.19$139.03Cummins INTERFACE HARNESS 338-4840 Upgrade your equipment with the original "INTERFACE HARNESS" by Cummins, SKU 338-4840. Our store offers the best price for this top-quality replacement part,...$152.19$139.03 -
ONAN 338349001 10 FT REMOTE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$105.80$96.65Engineered connectivity for uncompromised power flow Precision 10-foot length ensures flexible installation and dependable operation Specifically designed and manufactured as an OEM Onan component...$105.80$96.65 -
ONAN 338504701 AC HARNESS Original ONAN/CUMMINS OEM part
ONAN
$184.68$168.71Precision engineered to empower your generator’s performance Robust construction ensures dependable electrical connectivity Designed to optimize power system efficiency and longevity 100% genuine...$184.68$168.71 -
ONAN 3385104 CONTROL HEATER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$193.52$176.78Engineered for precision and reliability, this harness powers your control heater flawlessly. Durable construction ensures consistent performance in demanding conditions. Seamless compatibility with...$193.52$176.78 -
ONAN 3385008 AC HARNESS Original ONAN/CUMMINS OEM part
ONAN
$145.28$132.72Precision-engineered for uninterrupted power delivery and system integrity Heavy-duty design built to withstand rigorous operational demands Authentically manufactured by ONAN for guaranteed...$145.28$132.72 -
ONAN 3382216 ENGINE WIRING OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$56.09$51.24Engineered for seamless power delivery and optimal engine performance Durable construction ensures long-lasting service in demanding outdoor environments Designed exclusively as an OEM Cummins Onan...$56.09$51.24 -
ONAN 3384156 HARNESS Original ONAN/CUMMINS OEM part
ONAN
$52.72$48.16Reliability engineered for your power source Precision-fit harness ensuring optimal electrical connectivity Durability that withstands rigorous operational demands 100% genuine Onan OEM component...$52.72$48.16 -
ONAN A029L830 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$113.32$103.51Cummins WIRING HARNESS A029L830 Discover top-notch quality with the original "WIRING HARNESS" by Cummins, SKU A029L830, designed to keep your outdoor equipment running at peak performance. Our...$113.32$103.51 -
ONAN A028W073 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$135.68$123.95Cummins WIRING HARNESS A028W073 Get the "WIRING HARNESS" with SKU "A028W073" from Cummins for your outdoor equipment. Our store offers original parts at the best prices, providing you with...$135.68$123.95 -
ONAN 3384059 AC OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$135.95$124.19Empower your outdoor power setups with trusted engineering precision. Robust AC harness engineered for seamless power transmission and longevity. Designed to sustain harsh outdoor environments with...$135.95$124.19 -
ONAN 3381080 WIRING HARNESS REMOTE CONTROL Original ONAN/CUMMINS OEM part
ONAN
$134.50$122.87Cummins WIRING HARNESS REMOTE CONTROL 338-1080 When it comes to ensuring your outdoor equipment functions at its best, the Cummins WIRING HARNESS REMOTE CONTROL (SKU: 338-1080) is a top choice. Our...$134.50$122.87 -
ONAN 3383084 ENGINE WIRING OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$93.48$85.40Precision engineered for seamless power integrity Durable construction ensures consistent engine connectivity Optimized wiring harness designed for outdoor power equipment Certified OEM component...$93.48$85.40 -
ONAN 338226002 TEXT 30 9M REMOTE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$104.60$95.56Cummins TEXT 30 9M REMOTE HARNESS 338-2260-02 Find the genuine "TEXT 30 9M REMOTE HARNESS" by Cummins, SKU 338-2260-02, at our store for a top-quality replacement solution. Designed to meet precise...$104.60$95.56 -
ONAN 3384334 BATTERY HARNESS Original ONAN/CUMMINS OEM part
ONAN
$100.53$91.83Depend on Authenticity: Designed exclusively for Onan systems to guarantee full compatibility and peak operation. Engineered Durability: Crafted for extended life, resisting wear in demanding...$100.53$91.83 -
ONAN 338429502 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$190.36$173.89Precision engineered for seamless power management, this control harness unlocks the full potential of your Onan generator. Robust construction ensures durability and consistent performance even...$190.36$173.89 -
ONAN 3384183 AC HARNESS Original ONAN/CUMMINS OEM part
ONAN
$128.86$117.71Precision in every connection for uncompromised power delivery Designed to support system efficiency and reduce downtime Durable construction ensures long-lasting reliability under demanding...$128.86$117.71