OLD PARTS
Genuine Old Parts for Onan, Cummins & Fleetguard Diesel Engines
Find authentic old parts tailored for Onan, Cummins, and Fleetguard power engines. Our collection of genuine replacement components ensures your diesel equipment operates with maximum efficiency and durability.
Old Parts for Reliable Diesel Engine Maintenance
We offer a comprehensive range of authentic old parts, including core engine components, seals, filters, and more—all crafted to meet strict quality standards. Each part is designed to restore and maintain the optimal performance of your diesel engines.
- Genuine Quality: Certified original parts to guarantee compatibility and longevity.
- Wide Selection: Extensive inventory covering key Onan, Cummins, and Fleetguard models.
- Trusted Performance: Enhance engine reliability with parts engineered for power and endurance.
Why Choose Our Old Parts? We provide expert-vetted, genuine parts that ensure your diesel engines run smoother and last longer, backed by our commitment to quality and customer satisfaction.
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CUMMINS 5314087 ALTERNATOR BRACKET Original OEM part
CUMMINS
$181.07$165.41Precision-engineered for steadfast strength and flawless fit Robust design to maximize alternator stability and engine harmony Durable OEM construction guaranteeing long-lasting power system...$181.07$165.41 -
CUMMINS 5314009 AFTERTREATMENT DEVICE Original OEM part - SUPERSEDED FROM 5506004
CUMMINS
$12,544.39$11,459.30Precision engineered for unmatched exhaust aftertreatment performance Enhances emissions control and engine efficiency Durable OEM quality for reliable, long-term operation Manufactured by Cummins,...$12,544.39$11,459.30 -
CUMMINS 5314008 AFTERTREATMENT DEVICE Original OEM part - SUPERSEDED FROM 5506003
CUMMINS
$12,544.39$11,459.30Cummins 5314008 - AFTERTREATMENT DEVICE MINS5314008 Discover peak performance with the genuine 5314008 - AFTERTREATMENT DEVICE by Cummins, designed to deliver uncompromising quality and reliability...$12,544.39$11,459.30 -
CUMMINS 5314006 AFTERTREATMENT DEVICE Original OEM part - SUPERSEDED FROM 5506002
CUMMINS
$12,544.39$11,459.30Engineered reliability for uncompromising power quality Advanced emissions control for cleaner operation Precision fit ensures seamless integration and maximum efficiency 100% Genuine OEM Cummins...$12,544.39$11,459.30 -
CUMMINS 5314005 AFTERTREATMENT DEVICE Original OEM part - SUPERSEDED FROM 5506001
CUMMINS
$12,544.39$11,459.30Engineered for precision, built for life. Advanced emissions control technology ensures compliance and cleaner air. Durable construction guarantees lasting performance under demanding conditions...$12,544.39$11,459.30 -
CUMMINS 5314004 AFTERTREATMENT DEVICE Original OEM part - SUPERSEDED FROM 5506000
CUMMINS
$12,544.39$11,459.30Cummins 5314004 - AFTERTREATMENT DEVICE MINS5314004 Explore the superior quality of the Cummins 5314004 - AFTERTREATMENT DEVICE, available at our store under the product SKU "MINS5314004". Designed...$12,544.39$11,459.30 -
CUMMINS 5313997 AFTERTREATMENT DEVICE Original OEM part - SUPERSEDED FROM 5505993
CUMMINS
$12,544.39$11,459.30Engineered to Elevate Emission Control Precision Durability Built for Demanding Operational Conditions 100% Genuine Cummins OEM Part for Reliability and Fit Unlock the Power of Purity with the...$12,544.39$11,459.30 -
CUMMINS 5313993 AFTERTREATMENT DEVICE Original OEM part - SUPERSEDED FROM 5505991
CUMMINS
$12,544.39$11,459.30Precision engineered for uncompromised engine health and environmental compliance Advanced emissions control technology designed for long-lasting performance Certified genuine Cummins OEM component...$12,544.39$11,459.30 -
CUMMINS 5313904 MALE ADAPTER ELBOW Original OEM part
CUMMINS
$13.18$12.04Precision engineered for robust performance and seamless integration Durable construction designed to withstand demanding engine conditions Direct OEM fit ensuring optimal compatibility and system...$13.18$12.04 -
CUMMINS 5313601 OUTLET MODULE Original OEM part
CUMMINS
$2,904.58$2,653.34Precision that powers your peace of mind Seamless integration for flawless electrical connections Engineered to maintain optimum power distribution 100% genuine Cummins OEM construction to ensure...$2,904.58$2,653.34 -
CUMMINS 5313199 OUTLET MODULE Original OEM part
CUMMINS
$2,904.58$2,653.34Empower your generator with precision-engineered excellence. High-performance outlet module ensuring seamless electrical distribution for optimal system operation. Durability engineered to withstand...$2,904.58$2,653.34 -
CUMMINS 5312196 ORIFICE FITTING Original OEM part
CUMMINS
$6.63$6.05Engineered Excellence for Precision Flow Control Durable Design Ensuring Optimal Fuel and Emissions Efficiency Certified Genuine OEM Part Directly from Cummins CUMMINS 5312196 ORIFICE FITTING –...$6.63$6.05 -
CUMMINS 5311268 GEAR HOUSING Original OEM part
CUMMINS
$828.35$756.70Reliability engineered by Cummins for demanding power systems Precision-crafted gear housing designed to maintain optimal engine alignment Durable construction reduces wear and extends engine...$828.35$756.70 -
CUMMINS 5311209 FUEL MANIFOLD Original OEM part
CUMMINS
$840.57$767.86Precision engineered for uncompromising power delivery and peak engine health Robust fuel distribution ensures optimal combustion and fuel economy Manufactured as an authentic CUMMINS OEM component...$840.57$767.86 -
CUMMINS 5309553 TUBE CONNECTOR ELBOW Original OEM part
CUMMINS
$1,450.40$1,324.95Cummins 5309553 - TUBE CONNECTOR ELBOW - - NO LONGER AVAILABLE MINS5309553 Discover the elusive 5309553 - TUBE CONNECTOR ELBOW - - NO LONGER AVAILABLE by Cummins at our store. With an extensive...$1,450.40$1,324.95 -
CUMMINS 5309213 PRESSURE SENSING TUBE Original OEM part
CUMMINS
$326.55$298.30Engineered reliability delivering precise pressure monitoring for optimal system function Durable design crafted to withstand demanding operational environments Guaranteed OEM compatibility from...$326.55$298.30 -
CUMMINS 5309051 PIN DOWEL Original OEM part
CUMMINS
$27.70$25.31Precision engineered for unwavering power system integrity Ensures exact engine component alignment for optimal performance Crafted from durable materials to withstand demanding operational...$27.70$25.31 -
CUMMINS 5308483 TUBE CONNECTOR ELBOW Original OEM part
CUMMINS
$2,121.31$1,937.81Unrivaled Compatibility and Durability – Designed exclusively for Cummins systems to guarantee flawless integration. Precision-engineered Fit – Ensures optimal fluid flow and seamless connectivity...$2,121.31$1,937.81 -
CUMMINS 5308336 FLYWHEEL HOUSING Original OEM part
CUMMINS
$9,660.52$8,824.88Engineered for unmatched durability and precision Supports optimal engine alignment for smooth operation Designed exclusively by Cummins as a genuine OEM component Trust Cummins Craftsmanship with...$9,660.52$8,824.88 -
CUMMINS 5307933 TURBOCHARGER OIL DRAIN CONNECTION Original OEM part
CUMMINS
$241.05$220.20Precision Engineered for Trustworthy Performance Ensures efficient turbocharger oil drainage for prolonged engine health Robust construction to withstand demanding operational environments Certified...$241.05$220.20 -
CUMMINS 5307092 HOSE FLEXIBLE Original OEM part
CUMMINS
$110.50$100.95Cummins 5307092 - HOSE FLEXIBLE - NO LONGER AVAILABLE MINS5307092 Get the original 5307092 - HOSE FLEXIBLE - NO LONGER AVAILABLE by Cummins from our store today. With our commitment to quality, you...$110.50$100.95 -
CUMMINS 5306852 ELECTRONIC CONTROL MODULE Original OEM part
CUMMINS
$1,010.32$922.92Engineered to Deliver Precision Control and Efficiency Advanced Diagnostics and Seamless Integration in One Module Original Equipment Manufacturer (OEM) Quality from Cummins CUMMINS 5306852...$1,010.32$922.92 -
CUMMINS 5305910 BELT TENSIONER SUPPORT Original OEM part
CUMMINS
$1,929.75$1,762.83Engineered for Precision, Built to Endure. Robust Belt Tension Management: Guarantees optimal alignment and performance. Durability Under Demanding Conditions: Crafted from premium materials to...$1,929.75$1,762.83 -
CUMMINS 5305348 ACCESSORY DRIVE PULLEY Original OEM part
CUMMINS
$96.59$88.24Cummins 5305348 - ACCESSORY DRIVE PULLEY MINS5305348 Find top-quality original Cummins 5305348 - ACCESSORY DRIVE PULLEY at our store. Engineered for durability and performance, this product ensures...$96.59$88.24 -
CUMMINS 5304816 COMPRESSOR WATER OUTLET TUBE Original OEM part
CUMMINS
$1,307.19$1,194.12Cummins 5304816 - COMPRESSOR WATER OUTLET TUBE MINS5304816 Discover top-quality replacement parts like the 5304816 - COMPRESSOR WATER OUTLET TUBE by Cummins at our store. With our commitment to...$1,307.19$1,194.12 -
CUMMINS 5304466 FLEXIBLE TUBE Original OEM part
CUMMINS
$1,391.27$1,270.93Precision-engineered for uncompromising engine endurance Designed to maintain optimal fluid transfer under high stress Guaranteed genuine OEM part from Cummins for perfect compatibility and quality...$1,391.27$1,270.93 -
CUMMINS 5303746 EXHAUST OUTLET CONNECTION Original OEM part
CUMMINS
$13,902.84$12,700.24Cummins 5303746 - EXHAUST OUTLET CONNECTION MINS5303746 Discover the authentic Cummins 5303746 - EXHAUST OUTLET CONNECTION, a crucial replacement part for top-notch outdoor equipment. Our store...$13,902.84$12,700.24 -
CUMMINS 5303618 TURBOCHARGER OIL DRAIN CONNECTION Original OEM part
CUMMINS
$264.89$241.98Cummins 5303618 - TURBOCHARGER OIL DRAIN CONNECTION MINS5303618 Find the genuine Cummins 5303618 Turbocharger Oil Drain Connection at our store. With unparalleled quality and precision engineering,...$264.89$241.98 -
CUMMINS 5303458 ELECTRONIC INTERFACE MODULE Original OEM part
CUMMINS
$200.30$182.98Precision-engineered connectivity delivering dependable power management Advanced electronic interface technology for flawless signal integration Robust design ensures lasting durability under...$200.30$182.98 -
CUMMINS 5303411 BELT TENSIONER Original OEM part
CUMMINS
$953.42$870.95Cummins 5303411 - BELT TENSIONER MINS5303411 Find genuine peace of mind with the Cummins 5303411 - BELT TENSIONER, engineered for top-notch performance. Our store proudly presents the MINS5303411...$953.42$870.95 -
CUMMINS 5303363 CYLINDER HEAD GASKET Original OEM part
CUMMINS
$875.05$799.36Cummins 5303363 - CYLINDER HEAD GASKET - - NO LONGER AVAILABLE MINS5303363 We are proud to offer the original Cummins 5303363 Cylinder Head Gasket, though it is no longer available elsewhere, we...$875.05$799.36 -
CUMMINS 5303329 COMPRESSOR WATER OUTLET TUBE Original OEM part
CUMMINS
$23.85$21.79Precision engineered for uncompromising power delivery Optimized coolant flow to protect engine longevity Crafted as an authentic OEM component by Cummins for guaranteed compatibility CUMMINS...$23.85$21.79 -
CUMMINS 5302841 AIR TUBE Original OEM part
CUMMINS
$3,143.93$2,871.98Cummins 5302841 - AIR TUBE MINS5302841 Upgrade your outdoor equipment with the premium quality 5302841 - AIR TUBE from Cummins. This original replacement part, SKU MINS5302841, promises optimal...$3,143.93$2,871.98 -
CUMMINS 5302837 AIR TUBE Original OEM part
CUMMINS
$2,420.90$2,211.50Cummins 5302837 - AIR TUBE - - NO LONGER AVAILABLE MINS5302837 Discover the hard-to-find 5302837 - AIR TUBE - - NO LONGER AVAILABLE from Cummins at our online store. As experts in original...$2,420.90$2,211.50 -
CUMMINS 5302771 OUTLET MODULE Original OEM part
CUMMINS
$2,759.35$2,520.67Power your equipment with uncompromising precision and unmatched reliability. Robust electrical outlet module designed for optimal conductivity and operational stability. Constructed to enhance...$2,759.35$2,520.67 -
CUMMINS 5302612 EXHAUST OUTLET CONNECTION Original OEM part
CUMMINS
$13,897.64$12,695.49Engineered for excellence and built to endure, every detail matters. Precise fit and seamless integration to maintain your generator’s peak exhaust efficiency. Robust construction crafted to resist...$13,897.64$12,695.49 -
CUMMINS 5302220 LUBRICATING OIL FILTER HEAD Original OEM part
CUMMINS
$3,401.00$3,106.82Precision engineered for uncompromised durability and engine protection Optimizes oil flow to enhance lubrication efficiency and reduce wear Certified genuine OEM component from Cummins for...$3,401.00$3,106.82 -
CUMMINS 5302033 OIL PAN Original OEM part
CUMMINS
$357.22$326.32Engineered for Excellence: Delivering unmatched durability and precision fit for your Cummins power system. Leak-Resistant Design: Ensures efficient oil containment to protect your engine from wear...$357.22$326.32 -
CUMMINS 5301975 ISOLATOR VIBRATION Original OEM part
CUMMINS
$383.50$350.33Cummins 5301975 - ISOLATOR VIBRATION - NO LONGER AVAILABLE MINS5301975 Discover superior quality with the Cummins 5301975 - ISOLATOR VIBRATION - NO LONGER AVAILABLE. Our store is your go-to...$383.50$350.33 -
CUMMINS 5301934 FUEL HOSE Original OEM part
CUMMINS
$62.63$57.21Engineered for excellence, built to last: the cornerstone of dependable power systems. Premium fuel hose ensures consistent flow and leak-free operation. Designed to withstand high pressure and...$62.63$57.21