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 A035P964 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,090.66$996.32Cummins WIRING HARNESS A035P964 Upgrade your outdoor equipment with the original "WIRING HARNESS" by Cummins, SKU A035P964. At our store, we ensure the authenticity of all our products. Trust us to...$1,090.66$996.32 -
ONAN A040L687 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$3,134.99$2,863.82Cummins INTERFACE HARNESS A040L687 Discover the reliability of the Cummins A040L687 INTERFACE HARNESS, designed to ensure seamless integration with your outdoor equipment. With a commitment to...$3,134.99$2,863.82 -
ONAN 3383347 HARNESS WIRING K50 Original ONAN/CUMMINS OEM part
ONAN
$4,565.02$4,170.14Precision engineered wiring for seamless power delivery Durable design to withstand rigorous generator operation Authentic OEM manufacturing by ONAN for guaranteed compatibility Original...$4,565.02$4,170.14 -
ONAN 3382604 855 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$3,347.88$3,058.29Precision-crafted to empower your power source with unwavering dependability Robust engineering ensures seamless electrical connectivity under demanding conditions Durable materials resist wear and...$3,347.88$3,058.29 -
ONAN A035P667 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$2,987.67$2,729.24Cummins INTERFACE HARNESS A035P667 Discover the genuine Cummins INTERFACE HARNESS, SKU A035P667, designed for seamless integration with your outdoor equipment. Our online store stands out as the...$2,987.67$2,729.24 -
ONAN 3382948 ENGINE OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$333.12$304.30Precision in every connection, power you can depend on Durable design ensuring seamless engine harness integration Optimized for outstanding electrical performance in outdoor power equipment 100%...$333.12$304.30 -
ONAN A028X141 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,632.20$1,491.02Precision-engineered for seamless connectivity and durability Ensures stable engine communication, reducing downtime and preserving power output Certified OEM part from ONAN, guaranteeing perfect...$1,632.20$1,491.02 -
ONAN A029X224 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,946.52$1,778.14Precision-engineered for seamless integration in Onan power systems Ensures optimal electrical connectivity and engine efficiency Designed to withstand harsh operating environments and...$1,946.52$1,778.14 -
ONAN A029S798 GENSET HARNESS Original ONAN/CUMMINS OEM part
ONAN
$2,798.15$2,556.11Power your system with precision – trust equipment engineered to perform flawlessly. Robust connectivity ensures efficient power transfer and minimal downtime. Designed to withstand demanding...$2,798.15$2,556.11 -
ONAN 3385187 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$2,855.30$2,608.32Powering precision, engineered excellence. Seamless connectivity for reliable engine operation. Built to withstand demanding environments and extend generator life. 100% genuine ONAN OEM component...$2,855.30$2,608.32 -
ONAN 3384056 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$2,448.73$2,236.91Precision crafted for seamless engine communication and reliability. Engineered to maximize engine efficiency and minimize downtime. OEM authentic part ensuring perfect fit and compliance with...$2,448.73$2,236.91 -
ONAN A029Y257 GENSET HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,646.49$1,504.07Precision engineered to empower your generator's heart Robust construction ensures optimal electrical connectivity for peak genset performance Durable materials designed to withstand demanding...$1,646.49$1,504.07 -
ONAN A035J411 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$2,926.07$2,672.97Cummins INTERFACE HARNESS A035J411 Our store proudly offers the original INTERFACE HARNESS with SKU A035J411 from renowned brand Cummins. This essential part ensures seamless communication within...$2,926.07$2,672.97 -
ONAN 3384095 K50 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$2,455.00$2,242.65Cummins K50 ENGINE HARNESS 338-4095 Discover the genuine Cummins K50 ENGINE HARNESS (SKU: 338-4095) at our store. Crafted with precision and reliability, this original part ensures peak performance...$2,455.00$2,242.65 -
ONAN 3382607 K50 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$2,174.57$1,986.47Cummins K50 ENGINE HARNESS 338-2607 Find the genuine Cummins K50 Engine Harness with SKU 338-2607 at our store for reliable performance and compatibility. Trust in the quality and precision of...$2,174.57$1,986.47 -
ONAN A041A186 AC HARNESS Original ONAN/CUMMINS OEM part
ONAN
$2,385.40$2,179.07Precision power wiring for seamless ONAN generator operation Durable construction designed to endure rigorous generator demands Temperature-resistant materials preserve wiring integrity under...$2,385.40$2,179.07 -
ONAN 338482302 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$2,016.90$1,842.44Designed to keep your generator running smoothly under all conditions Engineered for precise electrical integration to maximize system reliability Crafted by ONAN as a Genuine OEM part for...$2,016.90$1,842.44 -
ONAN 3384098 V28 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$2,302.88$2,103.68Cummins V28 ENGINE HARNESS 338-4098 Elevate your outdoor equipment's performance with the Cummins V28 ENGINE HARNESS (SKU: 338-4098). Experience seamless operation and optimal functionality with...$2,302.88$2,103.68 -
ONAN 3383202 INTERCONNECT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$2,134.05$1,949.45Cummins INTERCONNECT HARNESS 338-3202 Discover the genuine Cummins INTERCONNECT HARNESS, SKU 338-3202, exclusively at our online store. Sourced directly from the reputable Cummins brand, this...$2,134.05$1,949.45 -
ONAN 3383416 ENGINE OUTDOOR POWER EQUIPMENT HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,106.74$1,011.01Power your outdoors with precision and trust. Engineered for seamless electrical connectivity in your outdoor power equipment. Designed to withstand harsh outdoor conditions, promoting longevity and...$1,106.74$1,011.01 -
ONAN 3384763 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,702.65$1,555.37Precision wiring for seamless power management Durable construction ensures consistent performance under demanding conditions Designed exclusively as an OEM ONAN component for guaranteed...$1,702.65$1,555.37 -
ONAN 300462207 PCC HARNESS KIT Original ONAN/CUMMINS OEM part
ONAN
$1,203.14$1,099.07Cummins PCC HARNESS KIT 300-4622-07 Discover the genuine "PCC HARNESS KIT" from Cummins with the SKU "300-4622-07" at our online store. Ensure the peak performance of your outdoor equipment with...$1,203.14$1,099.07 -
ONAN 3385310 HARNESS CONTROL CUST CONNS Original ONAN/CUMMINS OEM part
ONAN
$1,853.42$1,693.10Precision-engineered for seamless integration into your ONAN generator control system Ensures stable, efficient signal transmission critical for optimal engine performance Durable construction...$1,853.42$1,693.10 -
ONAN 3384953 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,179.35$1,077.34Engineered for flawless connectivity and dependable power system management. Durable construction ensures long-lasting performance under demanding conditions. Precision-fitted OEM part guarantees...$1,179.35$1,077.34 -
ONAN A040D724 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,472.65$1,345.27Cummins WIRING HARNESS A040D724 Discover the Cummins WIRING HARNESS, SKU A040D724, a top-quality replacement part engineered for durability and perfect fit. When shopping for original replacement...$1,472.65$1,345.27 -
ONAN 3385194 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,845.84$1,686.17Engineered for Precision and Reliability Durable construction ensures consistent electrical connectivity under demanding conditions Essential component to maintain your generator’s optimal control...$1,845.84$1,686.17 -
ONAN 3385243 HARNESS GENERATON SET WELCH PCC Original ONAN/CUMMINS OEM part
ONAN
$2,085.60$1,905.20Precision-engineered connectivity for uninterrupted power delivery Robust design ensures durability in demanding generator applications Fully OEM certified to guarantee seamless compatibility with...$2,085.60$1,905.20 -
ONAN 3384702 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$726.72$663.86Engineered to empower your Onan generator’s heartbeat. Robust wiring design ensures optimal signal integrity and power flow. Constructed with premium materials for peak endurance and resistance to...$726.72$663.86 -
ONAN 338482301 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,848.03$1,688.17Reliable Engine Connectivity for Seamless Power Precision-engineered harness ensuring stable signal transmission Durable construction for enduring performance under demanding conditions Certified...$1,848.03$1,688.17 -
ONAN A035H282 INTERFACE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,779.10$1,625.21Cummins INTERFACE HARNESS A035H282 Discover the power of authentic OEM INTERFACE HARNESS with the Cummins A035H282. As a trusted retailer, we guarantee the best value and quality for your outdoor...$1,779.10$1,625.21 -
ONAN 3384501 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,792.36$1,637.32Reliable connectivity crafted for enduring power Designed to maintain flawless engine communication and control Precision engineered for seamless integration with ONAN generator systems Genuine OEM...$1,792.36$1,637.32 -
ONAN 3385174 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,042.19$952.04Designed to deliver unmatched connection integrity for your Onan power solution Precision-engineered control harness for accurate signal transmission and durability Robust build to endure demanding...$1,042.19$952.04 -
ONAN 3384383 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$884.85$808.31Power your engine with precision and reliability Designed for flawless electrical connectivity Built to withstand demanding generator environments 100% Genuine OEM from ONAN for guaranteed...$884.85$808.31 -
ONAN 3382605 K19 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,712.55$1,564.41Cummins K19 ENGINE HARNESS 338-2605 For those in need of a reliable replacement part, look no further than the Cummins K19 ENGINE HARNESS, SKU 338-2605, available at our store. Our selection of...$1,712.55$1,564.41 -
ONAN A040U800 CONTROL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,191.16$1,088.13Precision engineered for seamless power delivery and optimal control Ensures consistent signal integrity under demanding operating conditions Robust construction designed to withstand harsh...$1,191.16$1,088.13 -
ONAN A035P960 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,289.56$1,178.01Cummins WIRING HARNESS A035P960 Enhance your outdoor equipment's performance with the original Cummins WIRING HARNESS (SKU: A035P960). Our store is your go-to destination for authentic replacement...$1,289.56$1,178.01 -
ONAN 3384234 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$642.87$587.26Precision engineered for seamless power delivery Durable insulation ensures long-term protection against heat and vibration OEM quality guarantees perfect compatibility with your Onan...$642.87$587.26 -
ONAN 3384439 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,263.12$1,153.86Precision engineered for dependable power delivery Robust design for extended durability and seamless integration OEM certified to maintain system integrity and warranty compliance ONAN 338-4439...$1,263.12$1,153.86 -
ONAN A029G945 POWER WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$965.28$881.79Cummins POWER WIRING HARNESS A029G945 Our online store proudly offers the original "POWER WIRING HARNESS" with SKU "A029G945" from the trusted brand Cummins. Ensure optimal performance and precision...$965.28$881.79 -
ONAN A035P962 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$1,323.53$1,209.04Cummins WIRING HARNESS A035P962 Offering the Cummins WIRING HARNESS with SKU A035P962, our store guarantees authentic replacement parts to keep your outdoor equipment running smoothly. With our...$1,323.53$1,209.04