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
$114.56$103.10Cummins 3287699 - WIRING HARNESS MINS3287699 Get your outdoor equipment up and running with the original Cummins 3287699 - WIRING HARNESS. Trust in our store for guaranteed authenticity and quality. This wiring harness, SKU MINS3287699, ensures seamless...$114.56$103.10 - 
            
            ONAN A044M377 INTERFACE HARNESS - ONAN Genuine OEM Part
ONAN
$137.50$123.75Genuine ONAN OEM part engineered for exact fit and function Facilitates reliable communication between control systems and engine components Enhances generator efficiency by ensuring optimal signal integrity Maintains system reliability under demanding...$137.50$123.75 - 
            
            ONAN 541-1199 HARNESS KIT - ONAN Genuine OEM Part
ONAN
$584.89$526.40Authentic ONAN 541-1199 HARNESS KIT crafted as a Genuine OEM Cummins/Onan component Facilitates seamless electrical connections, optimizing generator system functionality and safety Enhances durability and reduces risk of electrical failures in...$584.89$526.40 - 
            
            CUMMINS 2892512 - WIRING HARNESS REPAIR KIT - Original OEM part
CUMMINS
$646.29$581.66Cummins 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 brand Cummins. Our store is the top choice for original...$646.29$581.66 - 
            
            CUMMINS 5336400 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part
CUMMINS
$1,740.58$1,566.52Cummins 5336400 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS5336400 Explore the original 5336400 - EXTERNAL CONTROL MODULE WIRING HARNESS by Cummins, available at our store. Crafted to precise specifications, this wiring harness ensures optimal...$1,740.58$1,566.52 - 
            
            ONAN A029L465 WIRING HARNESS - ONAN Genuine OEM Part
ONAN
$74.68$67.21Certified genuine ONAN replacement part engineered for perfect compatibility and durability. Facilitates seamless electrical connectivity within your generator for consistent power delivery. Enhances system reliability and reduces the risk of power...$74.68$67.21 - 
            
            CUMMINS 3958223 - WIRING HARNESS - Original OEM part
CUMMINS
$1,562.98$1,406.68Cummins 3958223 - WIRING HARNESS MINS3958223 Discover the genuine 3958223 - WIRING HARNESS by Cummins at our store. Ensure top-notch performance for your outdoor equipment with this original replacement part. Our store provides the best price for this...$1,562.98$1,406.68 - 
            
            CUMMINS 3163151 - BENCH CALIBRATION HARNESS - Original OEM part
CUMMINS
$490.80$441.72Cummins 3163151 - BENCH CALIBRATION HARNESS MINS3163151 Find absolute reliability with the Cummins 3163151 - BENCH CALIBRATION HARNESS, guaranteed to be an authentic replacement part that ensures optimal performance. Trust our store to provide the best...$490.80$441.72 - 
            
            CUMMINS 3083779 - WIRING HARNESS - Original OEM part
CUMMINS
$409.03$368.12Cummins 3083779 - WIRING HARNESS MINS3083779 Find the authentic Cummins 3083779 - WIRING HARNESS at our store, where quality meets affordability. As a trusted provider of original replacement parts, we offer the best price to ensure your outdoor...$409.03$368.12 - 
            
            CUMMINS 2864504 EXTERNAL CONTROL MODULE WIRING HARNESS - CUMMINS Genuine OEM Part
CUMMINS
$444.10$399.69Guaranteed Genuine OEM component directly from Cummins Facilitates accurate communication between control modules and engine systems Ensures consistent electrical connectivity for reliable generator operation Precision engineered for peak performance...$444.10$399.69 - 
            
            ONAN A043N091 HARNESS KIT - ONAN Genuine OEM Part
ONAN
$266.58$239.92Genuine Cummins Onan part engineered for full system integration Provides critical electrical connections ensuring uninterrupted engine operation Enhances component efficiency for reliable power generation under demanding conditions Guaranteed...$266.58$239.92 - 
            
            CUMMINS 4938672 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part
CUMMINS
$1,013.59$912.23Cummins 4938672 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS4938672 Find peace of mind with the genuine Cummins 4938672 - EXTERNAL CONTROL MODULE WIRING HARNESS available at our store under the SKU MINS4938672. We ensure top-notch quality and accuracy...$1,013.59$912.23 - 
            
            ONAN 338-4663 JUMPER HARNESS - ONAN Genuine OEM Part
ONAN
$354.89$319.40Genuine ONAN OEM part designed to meet precise Cummins standards Facilitates critical electrical connections within the generator system Ensures consistent and stable power transmission for dependable operation Maintains the integrity and longevity of...$354.89$319.40 - 
            
            ONAN 338-4461 ENGINE HARNESS - ONAN Genuine OEM Part
ONAN
$754.13$678.71This is a Genuine OEM ONAN part crafted to meet strict manufacturer specifications. Ensures precise electrical connection for optimal engine control and communication. Designed to withstand harsh operating environments, protecting signal integrity and...$754.13$678.71 - 
            
            ONAN 338-3812 ENGINE HARNESS - ONAN Genuine OEM Part
ONAN
$138.84$124.95This is a Genuine ONAN OEM part, designed to meet exact Cummins standards. Ensures seamless electrical connectivity for superior engine control. Supports consistent engine operation enhancing generator reliability. Precision engineering for peak...$138.84$124.95 - 
            
            CUMMINS 5484117 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part
CUMMINS
$2,072.00$1,864.80Cummins 5484117 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS5484117 Your search for genuine 5484117 - EXTERNAL CONTROL MODULE WIRING HARNESS ends here at our store. We offer the original product branded by Cummins, ensuring top-notch quality and...$2,072.00$1,864.80 - 
            
            CUMMINS 5417634 - WIRING HARNESS - Original OEM part
CUMMINS
$819.94$737.94Cummins 5417634 - WIRING HARNESS MINS5417634 Meet the 5417634 - WIRING HARNESS, a genuine replacement part by Cummins. Your ultimate solution for ensuring peak performance and seamless electrical operations in your outdoor equipment. Exclusively...$819.94$737.94 - 
            
            CUMMINS 5332292 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part
CUMMINS
$1,460.66$1,314.59Cummins 5332292 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS5332292 Trust Cummins' reputation for quality when you need the 5332292 - EXTERNAL CONTROL MODULE WIRING HARNESS. At our store, we pride ourselves on offering top-notch original parts like...$1,460.66$1,314.59 - 
            
            CUMMINS 4919009 - BENCH CALIBRATION HARNESS - Original OEM part
CUMMINS
$425.30$382.77Cummins 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 product SKU "MINS4919009." With a focus on quality and...$425.30$382.77 - 
            
            CUMMINS 4918802 - BENCH CALIBRATION HARNESS - Original OEM part
CUMMINS
$580.50$522.45Cummins 4918802 - BENCH CALIBRATION HARNESS MINS4918802 Discover the authentic 4918802 - BENCH CALIBRATION HARNESS by Cummins, available under SKU MINS4918802 at our store. With a focus on quality and precision, we ensure that you receive original...$580.50$522.45 - 
            
            CUMMINS 4918583 - BENCH CALIBRATION HARNESS - Original OEM part
CUMMINS
$653.43$588.08Cummins 4918583 - BENCH CALIBRATION HARNESS MINS4918583 Welcome to our store where you can find the original 4918583 - BENCH CALIBRATION HARNESS by Cummins, SKU MINS4918583. Ensure precise calibrations with this reliable harness. Our store offers the...$653.43$588.08 - 
            
            CUMMINS 2881600 WIRING HARNESS - CUMMINS Genuine OEM Part
CUMMINS
$311.60$280.44Certified Genuine Cummins OEM component for assured quality and compatibility Enables precise electrical connectivity within Cummins engine systems Supports stable signal transmission to optimize engine control and safety Engineered to uphold the...$311.60$280.44 - 
            
            ONAN A040E710 - ENGINE HARNESS - Original ONAN/CUMMINS OEM part
ONAN
$303.23$272.90Cummins ENGINE HARNESS A040E710 Discover the Cummins Engine Harness (Product SKU: A040E710) at our store, your top destination for original replacement parts. Engineered by Cummins, a trusted brand, this harness ensures optimal performance and...$303.23$272.90 - 
            
            ONAN 338-3832 - LCL HARNESS - Original ONAN/CUMMINS OEM part
ONAN
$139.35$125.41Cummins 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 from the best price available and fast shipping when you...$139.35$125.41 - 
            
            CUMMINS 5590369 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part
CUMMINS
$1,639.70$1,475.73Cummins 5590369 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS5590369 Discover the authentic Cummins 5590369 - EXTERNAL CONTROL MODULE WIRING HARNESS, meticulously designed to ensure optimal performance. At our store, we pride ourselves on offering...$1,639.70$1,475.73 - 
            
            CUMMINS 5475400 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part
CUMMINS
$843.39$759.05Cummins 5475400 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS5475400 Find the original Cummins 5475400 - EXTERNAL CONTROL MODULE WIRING HARNESS, SKU MINS5475400, at our online store. Our high-quality parts ensure peak performance for your outdoor...$843.39$759.05 - 
            
            CUMMINS 5261737 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part
CUMMINS
$3,500.73$3,150.65Cummins 5261737 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS5261737 Find authentic 5261737 - EXTERNAL CONTROL MODULE WIRING HARNESS by Cummins at our store. Rest assured, each product is genuine, ensuring proper functionality and longevity. Seize this...$3,500.73$3,150.65 - 
            
            CUMMINS 5401021 - WIRING HARNESS - Original OEM part
CUMMINS
$92.65$83.38Cummins 5401021 - WIRING HARNESS MINS5401021 Find top-quality original Wiring Harness 5401021 by Cummins at our store. Made with precision and designed for durability, this wiring harness is the perfect fit for your outdoor equipment. Ensure seamless...$92.65$83.38 - 
            
            CUMMINS 5332291 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part
CUMMINS
$1,597.38$1,437.64Cummins 5332291 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS5332291 Find the genuine Cummins 5332291 - EXTERNAL CONTROL MODULE WIRING HARNESS, SKU MINS5332291, for your outdoor equipment at our store. With our commitment to quality, rest assured you're...$1,597.38$1,437.64 - 
            
            CUMMINS 4993480 - WIRING HARNESS - Original OEM part
CUMMINS
$228.70$205.83Cummins 4993480 - WIRING HARNESS MINS4993480 Ensure optimal performance with the genuine "4993480 - WIRING HARNESS" from Cummins, available at our store under the product SKU "MINS4993480". Trust in the quality of original replacement parts to keep your...$228.70$205.83 - 
            
            CUMMINS 4939039 - EXTERNAL CONTROL MODULE WIRING HARNESS - Original OEM part
CUMMINS
$1,584.84$1,426.35Cummins 4939039 - EXTERNAL CONTROL MODULE WIRING HARNESS MINS4939039 Explore our selection of genuine Cummins 4939039 - EXTERNAL CONTROL MODULE WIRING HARNESS with SKU "MINS4939039" for precise fit and optimal performance. Shop confidently with us as we...$1,584.84$1,426.35 - 
            
            CUMMINS 4368396 WIRING HARNESS - CUMMINS Genuine OEM Part
CUMMINS
$1,373.83$1,236.44Genuine OEM CUMMINS 4368396 wiring harness designed by Cummins engineers Ensures secure electrical connections for optimized generator operation Maintains system integrity under demanding power conditions Supports consistent engine performance and...$1,373.83$1,236.44 - 
            
            CUMMINS 4022866 - WIRING HARNESS - Original OEM part
CUMMINS
$422.46$380.21Cummins 4022866 - WIRING HARNESS MINS4022866 Get the genuine Cummins 4022866 - WIRING HARNESS from us, your top choice for original replacement parts. Our store stands out for providing quality products like the MINS4022866 at the best prices you can...$422.46$380.21 - 
            
            CUMMINS 3920599 - WIRING HARNESS - Original OEM part
CUMMINS
$329.59$296.63Cummins 3920599 - WIRING HARNESS MINS3920599 Upgrade your equipment with the high-quality "3920599 - WIRING HARNESS" from Cummins, SKU: MINS3920599. Ensure optimal performance and reliability with this authentic replacement part. Trust our store for...$329.59$296.63 - 
            
            CUMMINS 3871652 - HARNESS - Original OEM part
CUMMINS
$261.50$235.35Cummins 3871652 - HARNESS MINS3871652 Find the authentic 3871652 - HARNESS by Cummins at our store. Unmatched in quality and durability, this genuine replacement part ensures optimal performance for your outdoor equipment. With fast shipping and the...$261.50$235.35 - 
            
            CUMMINS 3803682 - WIRING HARNESS - Original OEM part
CUMMINS
$74.68$67.21Cummins 3803682 - WIRING HARNESS MINS3803682 Find the perfect 3803682 - WIRING HARNESS by Cummins at our store, your go-to destination for genuine replacement parts. When it comes to quality and reliability, our products stand out. Trust in us to...$74.68$67.21 - 
            
            ONAN 338-4223 - PIGTAIL AT GENSET HARNESS - Original ONAN/CUMMINS OEM part
ONAN
$49.35$44.41Cummins 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 equipment needs. Don't compromise on quality when it comes...$49.35$44.41 - 
            
            ONAN 338-4017 - PIGTAIL AT REMOTE PANEL HARNESS - Original ONAN/CUMMINS OEM part
ONAN
$111.06$99.95Cummins 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 best prices on original Cummins products, guaranteeing...$111.06$99.95 - 
            
            ONAN 338-3169 - 45 FT REMOTE PANEL HARNESS - Original ONAN/CUMMINS OEM part
ONAN
$251.52$226.36Cummins 45 FT REMOTE PANEL HARNESS 338-3169 Discover the genuine Cummins 45 FT REMOTE PANEL HARNESS with SKU 338-3169 at our online store. This premium product is built to exact specifications, ensuring optimal performance and compatibility with your...$251.52$226.36 - 
            
            ONAN 338-2102 - REMOTE HARNESS 6 PIGTAIL - Original ONAN/CUMMINS OEM part
ONAN
$22.22$19.99Cummins REMOTE HARNESS 6 PIGTAIL 338-2102 Find the original "REMOTE HARNESS 6 PIGTAIL" with SKU "338-2102" by Cummins at our store. With our commitment to quality, this product ensures a reliable replacement for your outdoor equipment. Benefit from the...$22.22$19.99