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 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 -
ONAN 3382979 MAIN OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$912.46$833.53Cummins MAIN OUTDOOR POWER EQUIPMENT HARNESS 338-2979 Ensure your outdoor power equipment runs smoothly with the original Cummins MAIN OUTDOOR POWER EQUIPMENT HARNESS, SKU 338-2979. At our store,...$912.46$833.53 -
ONAN 3382828 DC WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$598.03$546.30Unleash seamless power connectivity with every connection. Precision-engineered wiring for unmatched electrical stability. Durable design ensuring longevity in harsh operating conditions...$598.03$546.30 -
ONAN A035E847 HARNESS Original ONAN/CUMMINS OEM part
ONAN
$908.57$829.98Precision engineered for seamless power and reliability Robust construction ensures long-lasting service in demanding conditions Designed for perfect compatibility with your ONAN generator...$908.57$829.98 -
ONAN 3384707 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$830.82$758.95Precision in every connection, power in every pulse. Engineered to deliver seamless electrical integration for your ONAN generator. Designed to withstand harsh operating environments ensuring...$830.82$758.95 -
ONAN A029U304 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$709.43$648.06Cummins INTERFACE HARNESS A029U304 Our store proudly offers the original Cummins INTERFACE HARNESS with SKU A029U304, ensuring a perfect fit for your outdoor equipment. Avoid the hassle of searching...$709.43$648.06 -
ONAN A041A000 ACCESSORY HARNESS Original ONAN/CUMMINS OEM part
ONAN
$854.17$780.29Durability Meets Precision: Engineered to maintain seamless power connectivity in your ONAN generator systems. Optimized Compatibility: Specifically designed as an OEM part for flawless integration...$854.17$780.29 -
ONAN 3384950 PCC1302 E ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$922.53$842.73Cummins PCC1302 E ENGINE HARNESS 338-4950 Discover the high-quality original "PCC1302 E ENGINE HARNESS" by Cummins, available at our store with the SKU "338-4950." Our replacement part ensures...$922.53$842.73 -
ONAN C1300119 CONTROLE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$554.40$506.45Power your system with certainty and precision Engineered for flawless communication between control components Durable construction ensures consistent performance under demanding conditions ...$554.40$506.45 -
ONAN 338385301 MAIN HARNESS Original ONAN/CUMMINS OEM part
ONAN
$763.12$697.11Cummins MAIN HARNESS 338-3853-01 Explore the top-notch quality of the Cummins MAIN HARNESS, SKU 338-3853-01, exclusively available at our store. Crafted to meet industry standards and provide a...$763.12$697.11 -
ONAN 1660882 IGNITION HARNESS Original ONAN/CUMMINS OEM part
ONAN
$605.90$553.49Cummins IGNITION HARNESS 166-0882 Power up your outdoor equipment with the original Cummins IGNITION HARNESS (SKU: 166-0882). Our store offers the best option for purchasing this essential part,...$605.90$553.49 -
ONAN 3383968 ENGINE OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$351.24$320.86Engineered Excellence for Dependable Power Ensures flawless electrical integration for your outdoor power equipment Durable construction provides superior resistance against harsh environments 100%...$351.24$320.86 -
ONAN 3384233 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$690.46$630.74Precision wiring tailored to keep your Onan generator running smoothly. Durable construction ensuring consistent signal transmission under demanding conditions. Complete OEM integration guarantees...$690.46$630.74 -
ONAN 3384435 CONTROL PANEL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$815.97$745.39Engineered precision for dependable power control Durable construction ensuring long-term harness integrity Original equipment manufacturer (OEM) quality for perfect compatibility ONAN 338-4435...$815.97$745.39 -
ONAN 338409201 DC CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$522.76$477.54Power every connection with precision-engineered reliability Optimized for flawless control signal transmission to enhance generator responsiveness Constructed to withstand demanding electrical...$522.76$477.54 -
ONAN 3384790 CONTROL HARNESS ONAN Genuine OEM Part
ONAN
$848.87$775.44The ONAN 338-4790 CONTROL HARNESS is a durable, factory-authorized replacement made with high-quality materials for Hustler equipment. This control harness ensures accurate electrical...$848.87$775.44 -
ONAN 3383822 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$506.29$462.50Precision-crafted for uncompromised power delivery and system integrity Designed to optimize engine performance and electrical reliability under demanding conditions Constructed with durable...$506.29$462.50 -
ONAN 338385302 MAIN HARNESS Original ONAN/CUMMINS OEM part
ONAN
$775.20$708.15Cummins MAIN HARNESS 338-3853-02 Our store proudly offers the genuine MAIN HARNESS by Cummins with the SKU 338-3853-02, ensuring top-notch quality and compatibility for your outdoor equipment. With...$775.20$708.15 -
ONAN 3385038 HEATER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$899.44$821.64Experience unmatched reliability with precision-engineered Cummins Onan parts Efficient heater harness designed to maintain optimal thermal management Durable construction ensures lasting power...$899.44$821.64 -
ONAN A035G075 HMI HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,131.50$1,033.63Precision engineered to power your peace of mind. Robust connectivity delivering flawless communication between control modules. Durable design for long-lasting, maintenance-free performance...$1,131.50$1,033.63 -
ONAN 3383739 ENGINE OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$153.62$140.33Precision engineered for dependable power delivery and seamless connectivity. Constructed with premium materials to ensure extended service life under rigorous outdoor conditions. Certified genuine...$153.62$140.33 -
ONAN 338382301 AC BATTERY HARNESS Original ONAN/CUMMINS OEM part
ONAN
$521.33$476.23Precision engineered connectivity for dependable power delivery Durable construction ensuring long-term operation under demanding conditions Certified genuine OEM component designed specifically for...$521.33$476.23 -
ONAN 338385703 MAIN HARNESS Original ONAN/CUMMINS OEM part
ONAN
$545.49$498.31Cummins MAIN HARNESS 338-3857-03 Our store provides the perfect solution for your outdoor equipment needs with the genuine Cummins MAIN HARNESS, SKU 338-3857-03. Made with quality materials, this...$545.49$498.31 -
ONAN 3384002 HARNESS Original ONAN/CUMMINS OEM part
ONAN
$719.14$656.93Engineered excellence powering your peace of mind Precision-crafted wiring harness for consistent signal transmission Robust design resisting wear and environmental stress Certified genuine OEM part...$719.14$656.93 -
ONAN 3384589 EXTENSION HARNESS Original ONAN/CUMMINS OEM part
ONAN
$486.00$443.97Unmatched Durability for Dependable Power Ensures seamless electrical connectivity and optimal flow Designed to sustain the highest standards of Onan generator systems Certified OEM part...$486.00$443.97 -
ONAN 338387001 EXTENSION HARNESS Original ONAN/CUMMINS OEM part
ONAN
$619.72$566.11Precision-crafted to power your peace of mind Designed to extend and optimize electrical connections for flawless generator operation Built to endure demanding environments with superior durability...$619.72$566.11 -
ONAN 338462302 BATTERY HARNESS Original ONAN/CUMMINS OEM part
ONAN
$661.90$604.65Precision-engineered strength for your ONAN power system Durable wiring harness optimized for consistent battery connectivity Corrosion-resistant terminals designed for harsh operating...$661.90$604.65 -
ONAN 3383664 ENGINE OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$383.17$350.03Precision-engineered for enduring power delivery Robust construction ensures resistence to harsh outdoor conditions 100% authentic OEM component guarantees perfect compatibility ONAN 338-3664...$383.17$350.03 -
ONAN A029U310 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$461.97$422.01Cummins INTERFACE HARNESS A029U310 Explore our store for the top-quality "INTERFACE HARNESS" by Cummins with SKU A029U310. Our products are guaranteed to be genuine replacements for your outdoor...$461.97$422.01 -
ONAN A035E193 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$502.96$459.45Cummins INTERFACE HARNESS A035E193 Explore the genuine Cummins INTERFACE HARNESS (Product SKU: A035E193) at our store for premium quality and seamless compatibility. Crafted by Cummins, a renowned...$502.96$459.45 -
ONAN 3383795 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$284.59$259.98Depend on precision-crafted connectivity to keep your generator running at peak power. Durable wiring harness engineered to withstand harsh conditions and ensure consistent signal transmission...$284.59$259.98 -
ONAN A040W512 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$616.24$562.93Cummins INTERFACE HARNESS A040W512 Find the original replacement INTERFACE HARNESS (SKU: A040W512) from Cummins in our store for top-notch quality and perfect compatibility with your outdoor...$616.24$562.93 -
ONAN 338385702 MAIN HARNESS Original ONAN/CUMMINS OEM part
ONAN
$602.24$550.15Cummins MAIN HARNESS 338-3857-02 Discover the top-tier original replacement MAIN HARNESS by Cummins, with SKU 338-3857-02, at our store. Our selection boasts only genuine parts, ensuring flawless...$602.24$550.15 -
ONAN A040U288 HEATER HARNESS Original ONAN/CUMMINS OEM part
ONAN
$324.78$296.69Designed for dependable warmth and sustained power flow in your generator system. Precision-engineered to ensure flawless electrical connectivity and longevity. Withstands demanding operating...$324.78$296.69 -
ONAN A040X897 ACCESSORY HARNESS Original ONAN/CUMMINS OEM part
ONAN
$956.49$873.76Engineered Excellence for Seamless Power Integration Durable design ensuring consistent connectivity under demanding conditions Optimized to enhance operational efficiency and system...$956.49$873.76 -
ONAN 3383813 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$414.84$378.96Precision engineered for seamless integration and long-lasting reliability Designed to optimize engine control and improve overall system efficiency Authentic ONAN OEM component guaranteeing perfect...$414.84$378.96 -
ONAN 3382869 4/6 CYLINDER ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$295.41$269.85Designed for seamless integration and dependable performance Engineered specifically for 4 and 6 cylinder Onan engines to maintain system integrity Constructed from premium materials to resist wear...$295.41$269.85