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 338429801 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,126.50$1,029.06Engineered for dependable power flow and signal integrity Robust construction for enduring performance in demanding environments Official OEM component ensuring perfect fit and function Authenticity...$1,126.50$1,029.06 -
ONAN 3384412 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$787.93$719.77Engineered for precision and durability to maximize power system reliability Seamlessly connects critical engine control circuits for optimal functionality Certified OEM component from Onan,...$787.93$719.77 -
ONAN 3384273 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$593.85$542.48Precision Engineering for Reliable Power Delivery Robust connection designed to withstand demanding electrical loads Ensures seamless communication between control modules and generator...$593.85$542.48 -
ONAN 3384753 GENSET HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,345.25$1,228.89Reliability engineered for your ONAN generator’s heartbeat Precision-crafted wiring harness for seamless electrical connectivity Robust design ensures consistent power delivery and reduced...$1,345.25$1,228.89 -
ONAN 3382062 MAIN OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,166.58$1,065.67Cummins MAIN OUTDOOR POWER EQUIPMENT HARNESS 338-2062 Find the top-quality MAIN OUTDOOR POWER EQUIPMENT HARNESS with SKU 338-2062 from the renowned brand Cummins in our online store. This original...$1,166.58$1,065.67 -
ONAN 3384005 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$844.94$771.85Precision-engineered to deliver flawless connectivity for reliable generator control. Designed for enduring durability to maintain your system’s optimal operation over time. 100% OEM Cummins Onan...$844.94$771.85 -
ONAN A032X554 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$857.48$783.31Original Cummins precision embedded in every connection Robust design ensures consistent electrical performance under demanding conditions Easy installation engineered for perfect fit with ONAN...$857.48$783.31 -
ONAN 3382064 MAIN HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,386.19$1,266.29Cummins MAIN HARNESS 338-2064 Find the authentic Cummins MAIN HARNESS with SKU 338-2064 only at our online store. Our commitment to quality ensures that you receive a genuine replacement part that...$1,386.19$1,266.29 -
ONAN A040M898 LOWER COOLANT LEVEL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,560.58$1,425.59Cummins LOWER COOLANT LEVEL HARNESS A040M898 Discover the authentic "LOWER COOLANT LEVEL HARNESS" with SKU A040M898 by Cummins available at our store. Engineered to ensure optimum performance and...$1,560.58$1,425.59 -
ONAN 3384585 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$910.93$832.13Power your generator to its fullest potential with precision-engineered authenticity. Robust Connector Design: Ensures secure and consistent electrical pathways for optimal engine response. Durable...$910.93$832.13 -
ONAN 3383485 ENGINE OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,144.97$1,045.93Engineered Reliability for Peak Performance Precision-Made Harness Ensuring Optimal Electrical Connections Designed to Withstand Outdoor Power Equipment Demands OEM Certified by Onan for Guaranteed...$1,144.97$1,045.93 -
ONAN A035P972 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,083.02$989.34Cummins WIRING HARNESS A035P972 Discover the genuine Cummins WIRING HARNESS with SKU A035P972, designed to deliver optimal performance for your outdoor equipment. Trust in our store for top-quality...$1,083.02$989.34 -
ONAN 338291301 HARNESS EXTENSION ACCESSORY KIT Original ONAN/CUMMINS OEM part
ONAN
$1,006.10$919.08Engineered for seamless integration and unwavering performance Extends harness connectivity to ensure uninterrupted power system operation Designed specifically to maintain optimal electrical signal...$1,006.10$919.08 -
ONAN 3384856 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$897.40$819.78Precision-engineered to keep your generator powering with unwavering dependability Robust design ensures seamless electrical connections for consistent engine operation Durable construction...$897.40$819.78 -
ONAN 338403801 EXTENSION HARNESS Original ONAN/CUMMINS OEM part
ONAN
$854.30$780.41Empower your Onan system with authentic precision engineering Durable wiring ensures stable, uninterrupted power flow Designed to extend connectivity with optimal signal integrity 100% genuine OEM...$854.30$780.41 -
ONAN 3383972 ENGINE OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$936.98$855.93Precision engineered to empower your generator's heartbeat. Durable design guarantees seamless electrical connectivity under demanding conditions. Optimized for compatibility with ONAN outdoor power...$936.98$855.93 -
ONAN 3384584 JUMPER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,202.34$1,098.34Cummins JUMPER HARNESS 338-4584 Discover the authentic Cummins 338-4584 Jumper Harness at our online store, your go-to destination for genuine replacement parts. Our commitment to quality ensures...$1,202.34$1,098.34 -
ONAN 338446301 AC HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,094.16$999.52Depend on Authentic ONAN Quality: Engineered for flawless fit and functionality in your generator system. Robust Electrical Connectivity: Crafted to maintain uninterrupted AC power transmission,...$1,094.16$999.52 -
ONAN A035P958 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$994.03$908.04Cummins WIRING HARNESS A035P958 Upgrade your outdoor equipment with the genuine Cummins WIRING HARNESS (SKU: A035P958). Our store offers the best price for original replacement parts. Trust the...$994.03$908.04 -
ONAN 3384755 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,125.68$1,028.31Precision engineered for flawless connectivity and optimal power delivery Durable design resists wear, heat, and vibrations for extended engine life 100% authentic ONAN OEM component guarantees...$1,125.68$1,028.31 -
ONAN 3384316 AC HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,127.00$1,029.52Engineered Precision for Reliable Power Connections Seamless integration with Onan generators for optimal current flow Durable wiring designed to withstand harsh operating conditions 100% OEM...$1,127.00$1,029.52 -
ONAN A028Y431 POWER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$894.96$817.55Cummins POWER HARNESS A028Y431 Offering the original "POWER HARNESS" with SKU A028Y431 from the trusted brand Cummins, our online store guarantees quality and authenticity. Our competitive pricing...$894.96$817.55 -
ONAN 3383669 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$574.19$524.53Precision-engineered for seamless power delivery and system integrity Robust design ensuring exceptional durability in demanding environments Officially manufactured and certified by ONAN for...$574.19$524.53 -
ONAN 5411389 HARNESS KIT Original ONAN/CUMMINS OEM part
ONAN
$931.39$850.83Precision-engineered to power your Onan generator flawlessly Durable wiring harness to ensure consistent electrical connectivity Optimizes system reliability and safety in critical applications 100%...$931.39$850.83 -
ONAN 3383038 K19 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$951.40$869.11Cummins K19 ENGINE HARNESS 338-3038 Upgrade your outdoor equipment with the genuine Cummins K19 ENGINE HARNESS, SKU 338-3038. Our online store guarantees original replacement parts at the best...$951.40$869.11 -
ONAN A035P965 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$333.53$304.68Cummins WIRING HARNESS A035P965 Upgrade your outdoor equipment with the high-quality WIRING HARNESS from Cummins (SKU: A035P965). Our store offers original replacement parts at the best price,...$333.53$304.68 -
ONAN 338458801 ACTUATOR EXTENSION HARNESS Original ONAN/CUMMINS OEM part
ONAN
$503.90$460.32Cummins ACTUATOR EXTENSION HARNESS 338-4588-01 Find the original Cummins ACTUATOR EXTENSION HARNESS with SKU 338-4588-01 at our store. With a focus on quality, our products are top-of-the-line for...$503.90$460.32 -
ONAN 3382937 DOOR CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,699.68$1,552.66Precision-engineered connectivity for flawless door operation Durable construction ensuring enduring service life under rigorous conditions 100% genuine OEM from ONAN guaranteeing compatibility and...$1,699.68$1,552.66 -
ONAN A035P956 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,027.69$938.80Cummins WIRING HARNESS A035P956 Find high-quality original WIRING HARNESS with SKU A035P956 from Cummins at our store. Our selection guarantees compatibility, durability, and top performance for...$1,027.69$938.80 -
ONAN 3384436 CONTROL PANEL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,014.33$926.59Precision connection for uncompromising generator control Durable design ensuring seamless signal transmission Optimized for full compatibility with ONAN control panels Manufactured as an original...$1,014.33$926.59 -
ONAN 5411289 HARNESS KIT Original ONAN/CUMMINS OEM part
ONAN
$722.93$660.39Precision engineered for seamless integration Durable construction withstands demanding conditions 100% Genuine OEM Onan component ensuring perfect compatibility ONAN 541-1289 HARNESS KIT –...$722.93$660.39 -
ONAN A029C062 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$718.04$655.93Precision crafted for unwavering generator control and durability Ensures flawless signal transmission between critical components Designed to maintain system integrity under demanding...$718.04$655.93 -
ONAN A040U808 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$819.46$748.58Precision engineered connectivity for your power source Durable construction ensuring consistent electrical performance Optimized design for improved engine communication and diagnostics Built and...$819.46$748.58 -
ONAN 338369102 DC OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,585.13$1,448.01Cummins DC OUTDOOR POWER EQUIPMENT HARNESS 338-3691-02 Explore unrivaled quality with the Cummins DC Outdoor Power Equipment Harness, SKU 338-3691-02. Find peace of mind knowing you're investing in...$1,585.13$1,448.01 -
ONAN A034Z465 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$995.98$909.83Cummins INTERFACE HARNESS A034Z465 Find the original Cummins INTERFACE HARNESS with SKU A034Z465 at our store. Ensure seamless compatibility when replacing essential parts for your outdoor equipment...$995.98$909.83 -
ONAN 3385112 HEATER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$950.06$867.88Precision-engineered for dependable warmth and flawless system integration. Optimized to maintain consistent heater functionality under demanding conditions. Manufactured exclusively as a genuine...$950.06$867.88 -
ONAN 3385113 HEATER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$937.77$856.65Unleash the full potential of your Onan generator with precision-engineered components Durable design tailored for seamless heater harness functionality Enhances generator reliability and...$937.77$856.65 -
ONAN 3385111 HEATER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$200.40$183.07Precision-engineered for enduring generator performance and safety Ensures consistent heating function to protect critical engine components Designed exclusively as a genuine OEM Cummins Onan...$200.40$183.07 -
ONAN 338462301 BATTERY HARNESS Original ONAN/CUMMINS OEM part
ONAN
$655.25$598.57Unwavering performance engineered for your power needs Precision-crafted battery harness ensuring stable and efficient electrical flow Designed to withstand harsh environmental conditions and...$655.25$598.57 -
ONAN 3384362 HARNESS AC 1 PHASE SENSE Original ONAN/CUMMINS OEM part
ONAN
$504.92$461.24Cummins HARNESS AC 1 PHASE SENSE 338-4362 Find the best quality replacement part for your outdoor equipment with the Cummins HARNESS AC 1 PHASE SENSE (SKU: 338-4362). Trust in the trusted brand,...$504.92$461.24