Connections
Genuine Connections for Diesel Engines - Onan, Cummins & Fleetguard
Maintain optimal performance and reliability with our premium Connections tailored for Diesel Engines by Onan, Cummins, and Fleetguard. Our genuine replacement parts ensure secure and efficient connectivity critical to your engine's operation.
Reliable Connections for Seamless Diesel Engine Integration
We offer a comprehensive range of durable and precision-engineered Connections including hoses, fittings, and couplings designed to meet the rigorous standards of Onan, Cummins, and Fleetguard power engines. Each component guarantees compatibility and longevity to minimize downtime and maximize efficiency.
- Authentic Quality: Certified genuine parts to preserve engine integrity and warranty compliance.
- Wide Compatibility: Specially crafted for Onan, Cummins, and Fleetguard diesel engines.
- Enhanced Durability: Built to withstand harsh operating conditions and ensure long-term service.
Why Choose Our Connections? Trust our expertly curated, genuine parts to keep your diesel engines running smoothly, backed by our commitment to quality and customer satisfaction.
- Air Compressor Inlet Connections
- Air Crossover Connections
- Air Intake Connections
- Air Transfer Connections
- Exhaust Connections
- Exhaust Outlet Connections
- Exhaust Transfer Connections
- Fuel Connections
- Oil Connections
- Oil Filler Connections
- Oil Suction Connections
- Oil Transfer Connections
- Sea Water Connections
- Turbocharger Oil Drain Connections
- Water Bypass Connections
- Water Inlet Connections
- Water Oulet Connections
- Water Transfer Connections
- Product
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CUMMINS 4006300 EXHAUST TRANSFER CONNECTION Original OEM part
CUMMINS
$3,728.20$3,405.72Engineered Precision for Enduring Power Seamless Exhaust Flow with Superior Transfer Efficiency Robust Construction for Maximum Durability in Demanding Conditions Certified OEM component from...$3,728.20$3,405.72 -
CUMMINS 4006299 EXHAUST TRANSFER CONNECTION Original OEM part
CUMMINS
$1,946.87$1,778.47Engineered for seamless exhaust flow to maximize engine efficiency and longevity Precision-crafted for an exact fit, reducing emissions and noise for cleaner operation 100% genuine OEM CUMMINS...$1,946.87$1,778.47 -
CUMMINS 4006251 AIR TRANSFER CONNECTION Original OEM part
CUMMINS
$1,097.75$1,002.79Engineered for seamless air flow transfer with uncompromising reliability Durable construction designed for high-performance Cummins applications Precision OEM manufacturing ensures exact...$1,097.75$1,002.79 -
CUMMINS 4003528 SEA WATER CONNECTION Original OEM part
CUMMINS
$376.50$343.94Precision engineered for enduring power and seamless operation. Corrosion-resistant design safeguards your engine cooling system. Reliable sea water connection ensures consistent performance under...$376.50$343.94 -
CUMMINS 3999756 FILLER CONNECTION Original OEM part
CUMMINS
$1,947.39$1,778.94Cummins 3999756 - FILLER CONNECTION MINS3999756 Look no further for the genuine 3999756 - FILLER CONNECTION by Cummins. Our store is your go-to destination for authentic replacement parts. With fast...$1,947.39$1,778.94 -
CUMMINS 3992219 AIR INTAKE CONNECTION Original OEM part
CUMMINS
$532.50$486.44Cummins 3992219 - AIR INTAKE CONNECTION MINS3992219 When it comes to finding the genuine "3992219 - AIR INTAKE CONNECTION" by Cummins, look no further than our online store. We specialize in...$532.50$486.44 -
CUMMINS 3990657 TURBOCHARGER OIL DRAIN CONNECTION Original OEM part
CUMMINS
$224.32$204.91Engineered for Optimal Turbocharger Efficiency and Enduring Performance Precision Fit Ensures Leak-Free Oil Drainage Under High Temperatures Constructed from High-Grade Materials for Long-Term...$224.32$204.91 -
CUMMINS 3979118 WATER INLET CONNECTION Original OEM part
CUMMINS
$730.75$667.54Engineered for Precision: Designed to seamlessly fit your Cummins generator, ensuring flawless water inlet integration. Durability Under Pressure: Crafted with premium materials to withstand...$730.75$667.54 -
CUMMINS 3979110 FUEL TRANSFER CONNECTION Original OEM part
CUMMINS
$264.30$241.44Engineered for seamless fuel flow and system integrity Durable construction ensuring long-term operation under demanding conditions Authentic OEM part crafted to meet strict Cummins quality...$264.30$241.44 -
CUMMINS 3978967 AIR TRANSFER CONNECTION Original OEM part
CUMMINS
$653.76$597.21Engineered Precision for Optimal Airflow Management Maximized Durability to Withstand Harsh Operating Conditions Certified OEM Component by Cummins for Guaranteed Compatibility Experience...$653.76$597.21 -
CUMMINS 3978852 EXHAUST OUTLET CONNECTION Original OEM part
CUMMINS
$6,137.73$5,606.81Precision-engineered to optimize exhaust flow and enhance engine reliability Durable construction designed to withstand harsh operating conditions and extend service life 100% genuine Cummins OEM...$6,137.73$5,606.81 -
CUMMINS 3978850 EXHAUST OUTLET CONNECTION Original OEM part
CUMMINS
$13,878.93$12,678.40Cummins 3978850 - EXHAUST OUTLET CONNECTION MINS3978850 Find genuine quality with the 3978850 - EXHAUST OUTLET CONNECTION by Cummins at our store. Crafted to fit precisely, this part ensures optimal...$13,878.93$12,678.40 -
CUMMINS 3978842 EXHAUST OUTLET CONNECTION Original OEM part
CUMMINS
$6,901.04$6,304.10Engineered for Precision and Durability: The CUMMINS 3978842 exhaust outlet connection delivers seamless integration with your Cummins system, guaranteeing reliable exhaust management. Optimizes...$6,901.04$6,304.10 -
CUMMINS 3978390 EXHAUST OUTLET CONNECTION Original OEM part
CUMMINS
$129.19$118.02Engineered precision for dependable power Optimizes exhaust flow for maximum efficiency Built to withstand demanding operating conditions 100% genuine Cummins OEM component for assured compatibility...$129.19$118.02 -
CUMMINS 3977669 OIL SUCTION CONNECTION Original OEM part
CUMMINS
$276.39$252.49Cummins 3977669 - OIL SUCTION CONNECTION MINS3977669 Find the 3977669 - OIL SUCTION CONNECTION by Cummins only at our store, ensuring high-quality replacement parts for your outdoor equipment. With...$276.39$252.49 -
CUMMINS 3977666 OIL SUCTION CONNECTION Original OEM part
CUMMINS
$248.06$226.60Cummins 3977666 - OIL SUCTION CONNECTION MINS3977666 Get your hands on the genuine 3977666 - OIL SUCTION CONNECTION from Cummins at our store. Expertly designed for optimal performance, this product...$248.06$226.60 -
CUMMINS 3977615 TURBOCHARGER OIL DRAIN CONNECTION Original OEM part
CUMMINS
$73.49$67.14Precision engineered for dependable power—your turbocharger's vital oil drain connection. Durability that endures demanding operating conditions, safeguarding oil flow and engine integrity...$73.49$67.14 -
CUMMINS 3977614 TURBOCHARGER OIL DRAIN CONNECTION Original OEM part
CUMMINS
$170.76$155.99Precision engineered to preserve engine integrity under demanding conditions. Ensures efficient turbocharger oil drainage for optimal engine performance. Crafted with high-grade materials to resist...$170.76$155.99 -
CUMMINS 3977560 TURBOCHARGER OIL DRAIN CONNECTION Original OEM part
CUMMINS
$814.93$744.44Cummins 3977560 - TURBOCHARGER OIL DRAIN CONNECTION MINS3977560 Find genuine quality with the 3977560 - TURBOCHARGER OIL DRAIN CONNECTION by Cummins, SKU MINS3977560. Our store is the ultimate...$814.93$744.44 -
CUMMINS 3977158 OIL DRAIN CONNECTION Original OEM part
CUMMINS
$168.40$153.84Cummins 3977158 - OIL DRAIN CONNECTION MINS3977158 Find the perfect solution for your outdoor equipment maintenance needs with the 3977158 - OIL DRAIN CONNECTION by Cummins, SKU MINS3977158. Our...$168.40$153.84 -
CUMMINS 3977046 WATER OUTLET CONNECTION Original OEM part
CUMMINS
$316.20$288.85Cummins 3977046 - WATER OUTLET CONNECTION MINS3977046 Choose originality and reliability with the 3977046 - WATER OUTLET CONNECTION from Cummins. Our store offers this top-tier product, SKU...$316.20$288.85 -
CUMMINS 3976770 OIL SUCTION CONNECTION Original OEM part
CUMMINS
$440.18$402.11Precision engineered to maintain peak engine efficiency and reliability. Robust oil suction connection designed to optimize lubrication flow and extend engine life. Manufactured as a genuine OEM...$440.18$402.11 -
CUMMINS 3976722 OIL SUCTION CONNECTION Original OEM part
CUMMINS
$183.44$167.57Precision engineered to preserve the integrity of your power system Durable construction ensures long-lasting oil flow and engine protection Essential component designed exclusively by Cummins for...$183.44$167.57 -
CUMMINS 3976719 OIL SUCTION CONNECTION Original OEM part
CUMMINS
$375.08$342.64Precision engineered for enduring engine health and optimal oil circulation. Robust design guarantees leak-free, efficient oil suction under demanding conditions. Exclusively manufactured as a...$375.08$342.64 -
CUMMINS 3975626 TURBOCHARGER OIL DRAIN CONNECTION Original OEM part
CUMMINS
$142.44$130.12Precision-engineered for maximum durability and flawless functionality. Essential component ensuring optimal turbocharger oil drainage and engine health. Manufactured to strict OEM standards by...$142.44$130.12 -
CUMMINS 3975583 AIR INTAKE CONNECTION Original OEM part
CUMMINS
$293.53$268.14Cummins 3975583 - AIR INTAKE CONNECTION MINS3975583 Find top-notch quality with the Cummins 3975583 - AIR INTAKE CONNECTION. Trust us to deliver authentic replacement parts to keep your outdoor...$293.53$268.14 -
CUMMINS 3975270 AIR INTAKE CONNECTION Original OEM part
CUMMINS
$442.82$404.51Precision crafted for uncompromising engine health Ensures optimal air intake flow for peak power and fuel economy Constructed as a genuine OEM Cummins part for guaranteed compatibility and...$442.82$404.51 -
CUMMINS 3974355 WATER INLET CONNECTION Original OEM part
CUMMINS
$628.49$574.13Engineered precision for dependable performance Reliable water inlet connection designed to maintain optimal cooling flow Durable construction ensures extended service life under demanding...$628.49$574.13 -
CUMMINS 3974304 WATER TRANSFER CONNECTION Original OEM part
CUMMINS
$1,433.60$1,309.60Cummins 3974304 - WATER TRANSFER CONNECTION MINS3974304 Find the original 3974304 - WATER TRANSFER CONNECTION by Cummins at our store. Our wide selection of genuine replacement parts ensures the...$1,433.60$1,309.60 -
CUMMINS 3974303 WATER TRANSFER CONNECTION Original OEM part
CUMMINS
$2,808.33$2,565.41Precision engineered for unwavering performance in critical power systems Ensures optimal coolant flow to maintain your engine's peak condition Designed to withstand demanding operating environments...$2,808.33$2,565.41 -
CUMMINS 3974135 WATER INLET CONNECTION Original OEM part
CUMMINS
$435.18$397.54Precision engineered to uphold Cummins' legacy of excellence Ensures optimal coolant flow for enhanced engine reliability Constructed for durability in demanding environments 100% genuine OEM...$435.18$397.54 -
CUMMINS 3973784 AIR INTAKE CONNECTION Original OEM part
CUMMINS
$578.56$528.52Engineered Precision for Reliable Power Optimizes airflow for peak engine efficiency Constructed with durable materials to withstand harsh conditions Authentic Cummins OEM part designed for seamless...$578.56$528.52 -
CUMMINS 3973333 OIL TRANSFER CONNECTION Original OEM part
CUMMINS
$537.63$491.12Engineered for Precision, Designed for Durability Reliable oil transfer connection ensuring optimal engine lubrication Constructed to withstand demanding engine conditions and extend component...$537.63$491.12 -
CUMMINS 3973197 WATER INLET CONNECTION Original OEM part
CUMMINS
$56.73$51.82Cummins 3973197 - WATER INLET CONNECTION MINS3973197 Discover the top-quality 3973197 - WATER INLET CONNECTION by Cummins, SKU: MINS3973197, at our store. Engineered with precision to ensure a...$56.73$51.82 -
CUMMINS 3973141 TURBOCHARGER OIL DRAIN CONNECTION Original OEM part
CUMMINS
$390.42$356.65Cummins 3973141 - TURBOCHARGER OIL DRAIN CONNECTION MINS3973141 Find the authentic Cummins 3973141 - TURBOCHARGER OIL DRAIN CONNECTION, SKU "MINS3973141," at our store. Ensure optimal performance...$390.42$356.65 -
CUMMINS 3973093 TURBOCHARGER OIL DRAIN CONNECTION Original OEM part
CUMMINS
$1,017.58$929.56Precision engineered for uncompromising turbocharger oil management Robust design guarantees long-lasting performance under extreme conditions Direct OEM part from Cummins ensuring perfect...$1,017.58$929.56 -
CUMMINS 3972696 OIL FILLER CONNECTION Original OEM part
CUMMINS
$417.20$381.12Cummins 3972696 - OIL FILLER CONNECTION MINS3972696 Find the genuine 3972696 - OIL FILLER CONNECTION by Cummins at our store. Engineered for precision and durability, this replacement part ensures...$417.20$381.12 -
CUMMINS 3971983 OIL SUCTION CONNECTION Original OEM part
CUMMINS
$419.60$383.31Unrivaled durability for peak engine efficiency Precision-engineered to maintain optimal oil flow Crafted as a 100% genuine OEM Cummins part, guaranteeing full compatibility Experience the Power of...$419.60$383.31 -
CUMMINS 3971972 WATER OUTLET CONNECTION Original OEM part
CUMMINS
$339.17$309.83Engineered to perform, built to last—experience uncompromised reliability with Cummins precision. Robust construction ensures consistent coolant flow, maintaining ideal engine temperatures under...$339.17$309.83 -
CUMMINS 3971093 EXHAUST OUTLET CONNECTION Original OEM part
CUMMINS
$137.22$125.35Precision-engineered durability for dependable engine exhaust flow Designed to optimize emissions control and system longevity Crafted as a genuine OEM component from Cummins to guarantee perfect...$137.22$125.35