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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CUMMINS 3287699 WIRING HARNESS Original OEM part
CUMMINS
$117.39$107.24Precision-engineered for seamless connectivity and flawless electrical performance Durable construction resists wear, heat, and vibration to ensure long service life Designed specifically as an OEM...$117.39$107.24 -
ONAN A044M377 INTERFACE HARNESS ONAN Genuine OEM Part
ONAN
$136.24$124.45The ONAN A044M377 INTERFACE HARNESS is a durable, high-quality wiring harness made from premium insulated materials, supplied as a genuine OEM component. This harness ensures accurate and secure...$136.24$124.45 -
ONAN 5411199 HARNESS KIT ONAN Genuine OEM Part
ONAN
$591.14$540.01The ONAN 541-1199 Harness Kit is an OEM replacement part made from high-quality durable materials. This harness kit ensures reliable electrical connectivity crucial for proper tool operation. ...$591.14$540.01 -
CUMMINS 2892512 WIRING HARNESS REPAIR KIT Original OEM part
CUMMINS
$674.22$615.90Cummins 2892512 - WIRING HARNESS REPAIR KIT MINS2892512 Find peace of mind knowing that you're purchasing the authentic 2892512 - WIRING HARNESS REPAIR KIT (SKU: MINS2892512) from the reputable...$674.22$615.90 -
CUMMINS 5336400 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,799.55$1,643.89Experience seamless power management with premium Cummins engineering. Durable wiring harness designed for optimal external control module connectivity. Engineered to maintain system integrity,...$1,799.55$1,643.89 -
ONAN 3384461 ENGINE HARNESS ONAN Genuine OEM Part
ONAN
$762.18$696.25This is a genuine OEM engine harness made from durable, high-grade materials for Hustler equipment. Designed to deliver precise electrical connectivity vital for engine performance. ...$762.18$696.25 -
ONAN A029L465 WIRING HARNESS ONAN Genuine OEM Part
ONAN
$79.07$72.23The ONAN A029L465 Wiring Harness is a high-quality wiring replacement made with durable materials and sourced as a genuine OEM component. This wiring harness provides essential electrical...$79.07$72.23 -
CUMMINS 3958223 WIRING HARNESS Original OEM part
CUMMINS
$1,841.25$1,681.98Precision engineered to empower your engine’s heartbeat Robust connectivity ensuring flawless electrical integration Exceptional durability for long-lasting service life Authentic OEM Cummins...$1,841.25$1,681.98 -
CUMMINS 3163151 BENCH CALIBRATION HARNESS Original OEM part
CUMMINS
$585.00$534.40Precision engineered for seamless generator calibration and testing Robust construction ensuring long-lasting reliability during maintenance operations Certified genuine OEM Cummins component for...$585.00$534.40 -
CUMMINS 3083779 WIRING HARNESS Original OEM part
CUMMINS
$839.22$766.62Engineered precision for dependable connections Designed to ensure optimal electrical flow and system integrity Guaranteed genuine OEM Cummins quality for long service life CUMMINS 3083779 WIRING...$839.22$766.62 -
CUMMINS 2864504 EXTERNAL CONTROL MODULE WIRING HARNESS CUMMINS Genuine OEM Part
CUMMINS
$528.04$482.36This CUMMINS 2864504 External Control Module Wiring Harness is a durable wiring component made from high-grade materials and is an OEM replacement part. It provides seamless electrical...$528.04$482.36 -
ONAN A043N091 HARNESS KIT ONAN Genuine OEM Part
ONAN
$330.94$302.31ONAN A043N091 HARNESS KIT is crafted from durable high-quality materials and provided as a genuine OEM component. It ensures precise electrical connectivity essential for optimal equipment...$330.94$302.31 -
CUMMINS 4938672 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,205.38$1,101.12Precision engineered for unmatched system harmony Durable wiring harness designed for optimal control module connectivity Enhances system responsiveness and signal integrity 100% genuine OEM part...$1,205.38$1,101.12 -
ONAN A040E710 ENGINE HARNESS Original ONAN/CUMMINS OEM part
ONAN
$318.05$290.54Precision-engineered wiring harness designed to ensure seamless electrical connectivity within your ONAN generator system. Robust construction that withstands harsh operating conditions, promoting...$318.05$290.54 -
ONAN 3383812 ENGINE HARNESS ONAN Genuine OEM Part
ONAN
$146.08$133.45Direct replacement engine harness made from high-quality materials ensuring OEM specification compliance. Designed to provide reliable electrical connectivity essential for engine operation. ...$146.08$133.45 -
ONAN A052R987 IGNITION HARNESS Original ONAN/CUMMINS OEM part
ONAN
$42.78$39.08Cummins IGNITION HARNESS A052R987 Upgrade your equipment with the Cummins IGNITION HARNESS (SKU: A052R987) to ensure optimal performance and longevity. Our store proudly offers this original...$42.78$39.08 -
ONAN A058G065 HARNESS KIT ONAN Genuine OEM Part
ONAN
$262.89$240.15This is a durable ONAN A058G065 harness kit made from high-quality materials and supplied as a genuine OEM part. The harness kit ensures a secure and reliable electrical connection within...$262.89$240.15 -
CUMMINS 5484117 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$2,122.54$1,938.94Engineered for seamless integration and precision performance Designed to maintain optimal communication between control modules 100% genuine OEM component, ensuring durability and warranty...$2,122.54$1,938.94 -
CUMMINS 5417634 WIRING HARNESS Original OEM part
CUMMINS
$835.76$763.47Precision Engineered Connectivity: Ensure flawless electrical communication within your Cummins engine system. Durable Construction: Designed to withstand harsh operating environments and deliver...$835.76$763.47 -
CUMMINS 5332292 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,496.30$1,366.88Engineered for seamless power delivery and uncompromised reliability Robust construction ensures optimal signal integrity for precision control Designed to withstand harsh environments, prolonging...$1,496.30$1,366.88 -
CUMMINS 4919009 BENCH CALIBRATION HARNESS Original OEM part
CUMMINS
$506.89$463.05Cummins 4919009 - BENCH CALIBRATION HARNESS MINS4919009 Explore the convenience and reliability of the original 4919009 - BENCH CALIBRATION HARNESS by Cummins, available at our store under the...$506.89$463.05 -
CUMMINS 4918802 BENCH CALIBRATION HARNESS Original OEM part
CUMMINS
$691.85$632.00Engineered to empower your performance diagnostics with precision and confidence. Provides a direct, factory-designed connection for accurate bench calibration of Cummins engines. Constructed to...$691.85$632.00 -
CUMMINS 4918583 BENCH CALIBRATION HARNESS Original OEM part
CUMMINS
$778.78$711.42Precision-engineered for flawless engine calibration and diagnostics Durable construction supporting long-term reliability in demanding environments 100% genuine OEM Cummins component ensuring total...$778.78$711.42 -
CUMMINS 2881600 WIRING HARNESS CUMMINS Genuine OEM Part
CUMMINS
$366.59$334.88The CUMMINS 2881600 wiring harness is a high-quality replacement part made from durable, heat-resistant materials ensuring long-term electrical connectivity. This wiring harness facilitates...$366.59$334.88 -
ONAN 3383832 LCL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$150.18$137.19Cummins LCL HARNESS 338-3832 Find the original "LCL HARNESS" with SKU 338-3832 only at our store. We carry genuine Cummins parts to ensure the highest quality for your outdoor equipment. Benefit...$150.18$137.19 -
CUMMINS 5590369 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,679.70$1,534.41Cummins 5590369 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS5590369 Discover the authentic Cummins 5590369 - EXTERNAL CONTROL MODULE WIRING HARNESS, meticulously designed to ensure optimal...$1,679.70$1,534.41 -
CUMMINS 5475400 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$872.18$796.74Cummins 5475400 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS5475400 Find the original Cummins 5475400 - EXTERNAL CONTROL MODULE WIRING HARNESS, SKU MINS5475400, at our online store. Our...$872.18$796.74 -
CUMMINS 5261737 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$3,500.73$3,197.91Engineered to Keep Your Power Flowing Efficiently Precision-built wiring harness ensuring flawless communication between control modules Durable construction designed to withstand harsh environments...$3,500.73$3,197.91 -
CUMMINS 5401021 WIRING HARNESS Original OEM part
CUMMINS
$94.94$86.73Engineered for flawless connectivity and unmatched durability. Designed to ensure optimal electrical integration for your Cummins system. Made exclusively by Cummins to guarantee perfect fit and...$94.94$86.73 -
CUMMINS 5347703 WIRING HARNESS Original OEM part
CUMMINS
$89.80$82.04Precision engineered wiring harness for seamless integration. Durable construction guarantees long-lasting electrical performance. 100% genuine OEM Cummins part for assured compatibility and...$89.80$82.04 -
CUMMINS 5332291 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,636.33$1,494.79Engineered Reliability, Trusted Performance Precision-Fit External Control Module Wiring Harness ensures flawless signal transmission and system coordination. Durable design resistant to wear and...$1,636.33$1,494.79 -
CUMMINS 5316903 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,550.74$1,416.60Cummins 5316903 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS5316903 Find peace of mind knowing that when you choose our store, you're opting for authenticity with the Cummins 5316903 - EXTERNAL...$1,550.74$1,416.60 -
CUMMINS 4993480 WIRING HARNESS Original OEM part
CUMMINS
$272.61$249.03Powering Precision, Wiring Reliability Engineered for exact fit and optimal electrical connectivity Designed to withstand rigorous automotive and generator environments Certified OEM component from...$272.61$249.03 -
CUMMINS 4939039 EXTERNAL CONTROL MODULE WIRING HARNESS Original OEM part
CUMMINS
$1,638.55$1,496.82Precision engineered to empower your Cummins system with unmatched reliability Robust wiring harness optimized to support seamless external control module communication Durable design that promotes...$1,638.55$1,496.82 -
CUMMINS 4368396 WIRING HARNESS CUMMINS Genuine OEM Part
CUMMINS
$1,493.36$1,364.19This wiring harness is made from high-quality materials ensuring reliable electrical connectivity for Hustler equipment. It delivers a precise fit that guarantees stable performance and ease of...$1,493.36$1,364.19 -
CUMMINS 4022866 WIRING HARNESS Original OEM part
CUMMINS
$503.38$459.84Precision-crafted for seamless power delivery and system integrity. Durable design enhances long-term engine performance under critical conditions. Certified OEM Cummins component guaranteeing full...$503.38$459.84 -
CUMMINS 3871652 HARNESS Original OEM part
CUMMINS
$311.65$284.69Precision engineering for unwavering power delivery Robust design ensuring durability under demanding conditions Seamless OEM fitment specifically crafted by Cummins Guaranteed genuine Cummins...$311.65$284.69 -
CUMMINS 3803682 WIRING HARNESS Original OEM part
CUMMINS
$88.55$80.89Engineered for flawless connectivity and robust electrical integrity Designed to withstand extreme conditions for prolonged service life Official Cummins OEM part for guaranteed compatibility and...$88.55$80.89 -
ONAN 3384223 PIGTAIL AT GENSET HARNESS Original ONAN/CUMMINS OEM part
ONAN
$51.49$47.04Cummins PIGTAIL AT GENSET HARNESS 338-4223 Discover the authentic Cummins PIGTAIL AT GENSET HARNESS with SKU 338-4223, available at our online store. We guarantee original parts for your outdoor...$51.49$47.04 -
ONAN 3384017 PIGTAIL AT REMOTE PANEL HARNESS Original ONAN/CUMMINS OEM part
ONAN
$115.87$105.85Cummins PIGTAIL AT REMOTE PANEL HARNESS 338-4017 Discover the Cummins PIGTAIL AT REMOTE PANEL HARNESS, SKU 338-4017, a genuine replacement part perfect for outdoor equipment. Our store offers the...$115.87$105.85