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 4358012 MALE CONNECTOR Original OEM part
CUMMINS
$26.13$23.87Cummins 4358012 - MALE CONNECTOR - - NO LONGER AVAILABLE MINS4358012 Find the hard-to-find "4358012 - MALE CONNECTOR - - NO LONGER AVAILABLE" by Cummins on our store. We offer original replacement...$26.13$23.87 -
CUMMINS 4356598 CONNECTION BRACKET Original OEM part
CUMMINS
$39.80$36.36Cummins 4356598 - CONNECTION BRACKET MINS4356598 Find the best quality OEM 4356598 - CONNECTION BRACKET from Cummins at our store. This genuine replacement part ensures a perfect fit and top...$39.80$36.36 -
CUMMINS 4356436 COMPRESSOR WATER OUTLET TUBE Original OEM part
CUMMINS
$619.49$565.91Precision engineered for seamless integration Ensures effective engine cooling and system longevity Manufactured as a genuine OEM CUMMINS component Supports dependable and uninterrupted power...$619.49$565.91 -
CUMMINS 4354323 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$7,629.50$6,969.55Powering Precision Emission Control for Every Journey Advanced aftertreatment technology that optimizes exhaust purification Durable construction ensuring long-lasting operational integrity and...$7,629.50$6,969.55 -
CUMMINS 4354254 OUTLET MODULE Original OEM part
CUMMINS
$4,467.59$4,081.15Engineered for seamless power control and reliability in demanding environments Precision-built outlet module designed to optimize system efficiency and durability Certified genuine OEM Cummins...$4,467.59$4,081.15 -
CUMMINS 4354198 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$326.63$298.37Engineered for uncompromising strength and precision Provides secure fastening essential for optimal engine performance Manufactured as a genuine Cummins OEM component ensuring full...$326.63$298.37 -
CUMMINS 4353345 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$11,856.70$10,831.10Precision engineered for superior emissions control and system efficiency Designed to optimize engine performance while reducing environmental impact 100% genuine Cummins OEM part for assured...$11,856.70$10,831.10 -
CUMMINS 4353339 AFTERTREATMENT DEVICE Original OEM part - SUPERSEDED FROM 5506021
CUMMINS
$12,544.39$11,459.30Engineered for Excellence: Precision-built to maintain emission standards and boost power efficiency. Durability You Can Trust: Crafted from premium materials to withstand harsh operational...$12,544.39$11,459.30 -
CUMMINS 4353337 AFTERTREATMENT DEVICE Original OEM part - SUPERSEDED FROM 5506020
CUMMINS
$12,544.39$11,459.30Power your system with unwavering precision and trust Engineered to optimize emissions control for cleaner operation Durable construction delivers long-lasting service life under demanding...$12,544.39$11,459.30 -
CUMMINS 4353322 INLET CATALYST MODULE Original OEM part
CUMMINS
$8,587.40$7,844.59Trusted Power Precision: Engineered for flawless integration and uncompromised emissions efficiency. Advanced Catalyst Technology: Designed to significantly reduce harmful exhaust gases, enhancing...$8,587.40$7,844.59 -
CUMMINS 4353292 INLET CATALYST MODULE Original OEM part
CUMMINS
$8,587.40$7,844.59Precision-engineered performance meets unwavering reliability Advanced catalyst technology for superior emissions control Designed to maintain optimal engine operation and fuel efficiency Guaranteed...$8,587.40$7,844.59 -
CUMMINS 4353281 INLET CATALYST MODULE Original OEM part
CUMMINS
$13,849.33$12,651.36Precision engineered for uncompromising engine protection and emissions excellence Advanced catalyst technology that maximizes contaminant conversion and reduces harmful exhaust emissions Durable...$13,849.33$12,651.36 -
CUMMINS 4353271 INLET CATALYST MODULE Original OEM part
CUMMINS
$13,090.10$11,957.81Precision-engineered for emission excellence: deliver clean, efficient power every time. Durability under demanding conditions: robust construction ensures long-lasting operation even in critical...$13,090.10$11,957.81 -
CUMMINS 4353258 INLET CATALYST MODULE Original OEM part
CUMMINS
$13,090.10$11,957.81Engineered for Precision, Crafted for Reliability Advanced catalytic performance targeting cleaner emissions and improved fuel economy Durability designed to withstand demanding operational...$13,090.10$11,957.81 -
CUMMINS 4352957 TUBE CONNECTOR ELBOW Original OEM part
CUMMINS
$2,849.09$2,602.65Precision engineered for seamless integration into your Cummins power system Robust construction ensuring long-lasting performance under demanding conditions Authentic OEM part guaranteeing optimal...$2,849.09$2,602.65 -
CUMMINS 4352935 PLAIN WASHER Original OEM part
CUMMINS
$69.19$63.21Engineered for unwavering reliability in demanding power applications Designed to maintain optimal engine assembly integrity under stress Crafted as a genuine OEM part to guarantee compatibility and...$69.19$63.21 -
CUMMINS 4352917 COVER PLATE Original OEM part
CUMMINS
$1,787.79$1,633.15Cummins 4352917 - COVER PLATE MINS4352917 Discover the genuine 4352917 - COVER PLATE by Cummins at our store. Made with precision and quality materials, this product ensures perfect compatibility...$1,787.79$1,633.15 -
CUMMINS 4352915 SPACER Original OEM part
CUMMINS
$9,578.66$8,750.11Precision in every detail, durability in every part Ensures exact fit for optimized engine alignment Constructed from high-grade materials for long-lasting resilience Certified genuine OEM component...$9,578.66$8,750.11 -
CUMMINS 4352714 MALE UNION ELBOW Original OEM part
CUMMINS
$246.80$225.46Engineered for precision, designed for endurance. Robust male union elbow that guarantees leak-free connections under high-pressure conditions. Durable materials ensure optimal fluid flow and...$246.80$225.46 -
CUMMINS 4352567 TURBOCHARGER KIT Original OEM part
CUMMINS
$11,229.36$10,258.02Cummins 4352567 - TURBOCHARGER KIT MINS4352567 Discover the power of the genuine Cummins 4352567 Turbocharger Kit, designed for optimal performance and durability to enhance your outdoor equipment...$11,229.36$10,258.02 -
CUMMINS 4352434 AIR INTAKE MANIFOLD KIT Original OEM part
CUMMINS
$1,979.30$1,808.10Cummins 4352434 - AIR INTAKE MANIFOLD KIT MINS4352434 Find the original 4352434 - AIR INTAKE MANIFOLD KIT by Cummins at our store. Made with quality materials, this genuine part ensures optimal...$1,979.30$1,808.10 -
CUMMINS 4352332 TURBOCHARGER KIT Original OEM part
CUMMINS
$9,285.40$8,482.22Cummins 4352332 - TURBOCHARGER KIT MINS4352332 Choose only the best for your equipment with the genuine 4352332 - TURBOCHARGER KIT by Cummins, available at our store under the SKU MINS4352332...$9,285.40$8,482.22 -
CUMMINS 4352296 PRESET TURBINE HOUSING KIT Original OEM part
CUMMINS
$4,247.64$3,880.22Cummins 4352296 - PRE-SET TURBINE HOUSING KIT MINS4352296 Find the authentic 4352296 - PRE-SET TURBINE HOUSING KIT by Cummins at our store. Our commitment to quality ensures that you receive...$4,247.64$3,880.22 -
CUMMINS 4352255 SERVICE KIT Original OEM part
CUMMINS
$4,934.36$4,507.54Cummins 4352255 - SERVICE KIT MINS4352255 Ensure your outdoor equipment operates at its peak performance with the 4352255 - SERVICE KIT from Cummins. This comprehensive kit, SKU "MINS4352255,"...$4,934.36$4,507.54 -
CUMMINS 4352247 LINER KIT Original OEM part
CUMMINS
$1,243.55$1,135.98Cummins 4352247 - LINER KIT MINS4352247 Discover the high-quality 4352247 - LINER KIT from Cummins, ensuring optimal performance and durability for your outdoor equipment. Our store offers original...$1,243.55$1,135.98 -
CUMMINS 4351449 EXHAUST VALVE Original OEM part
CUMMINS
$674.82$616.44Cummins 4351449 - EXHAUST VALVE MINS4351449 Find the genuine 4351449 - EXHAUST VALVE by Cummins at our online store. Designed for durability and optimal performance, this original replacement part...$674.82$616.44 -
CUMMINS 4350838 CONNECTION GASKET Original OEM part
CUMMINS
$2,798.50$2,556.43Engineered for Excellence: Seamlessly maintain the integrity of your Cummins power system with a gasket designed to meet exact specifications. Durability That Lasts: Crafted from premium materials...$2,798.50$2,556.43 -
CUMMINS 4350832 FUEL PLUMBING ASSEMBLY Original OEM part
CUMMINS
$1,416.22$1,293.71Engineered to empower your Cummins system with unmatched reliability and precision. Ensures seamless fuel flow for consistent engine performance and fuel economy. Durably built to withstand...$1,416.22$1,293.71 -
CUMMINS 4350823 FUEL PLUMBING ASSEMBLY Original OEM part
CUMMINS
$1,290.94$1,179.27Cummins 4350823 - FUEL PLUMBING ASSEMBLY MINS4350823 Find the authentic Cummins 4350823 - FUEL PLUMBING ASSEMBLY at our store, the ultimate destination for genuine replacement parts. Ensure optimal...$1,290.94$1,179.27 -
CUMMINS 4350734 DIODE Original OEM part
CUMMINS
$20.27$18.52Engineered for excellence: Depend on authentic Cummins components for optimal power system integrity. Superior electrical protection: This diode ensures consistent current flow and prevents reverse...$20.27$18.52 -
CUMMINS 4350706 ORING SEAL Original OEM part
CUMMINS
$365.49$333.88Cummins 4350706 - O-RING SEAL - - NO LONGER AVAILABLE MINS4350706 Discover excellence with the Cummins 4350706 - O-RING SEAL - - NO LONGER AVAILABLE. Our store is your ultimate destination for...$365.49$333.88 -
CUMMINS 4350213 BREATHER BRACKET Original OEM part
CUMMINS
$436.83$399.04Engineered to uphold Cummins' legacy of power and precision. Designed for optimal breather functionality, ensuring efficient ventilation. Constructed from premium materials guaranteeing long service...$436.83$399.04 -
CUMMINS 4350102 RECTANGULAR RING SEAL Original OEM part
CUMMINS
$66.83$61.05Precision-engineered sealing for uncompromised performance Durable design crafted to withstand rigorous operational demands 100% genuine OEM Cummins part guaranteeing perfect compatibility and...$66.83$61.05 -
CUMMINS 4350065 BREATHER BRACKET Original OEM part
CUMMINS
$8,136.08$7,432.31Cummins 4350065 - BREATHER BRACKET MINS4350065 Whether you're fixing your lawn mower or other outdoor equipment, the Cummins 4350065 Breather Bracket is essential for proper functioning. Our store...$8,136.08$7,432.31 -
CUMMINS 4349923 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$22.36$20.43Engineered to endure, designed to deliver precise power Premium-grade hex flange head for optimal torque resistance and secure fastening Manufactured to exact Cummins standards ensuring seamless fit...$22.36$20.43 -
CUMMINS 4349749 CRANKSHAFT COUNTER WEIGHT Original OEM part
CUMMINS
$5,219.29$4,767.83Precision-engineered to restore dynamic balance and enhance engine smoothness Constructed from high-grade materials to ensure peak durability under demanding conditions 100% genuine CUMMINS OEM...$5,219.29$4,767.83 -
CUMMINS 4349739 RETAINING RING Original OEM part
CUMMINS
$420.65$384.26Crafted for excellence and engineered to endure. Precision-fit retaining ring ensures secure component assembly. Manufactured with high-grade materials for lasting strength. 100% genuine Cummins OEM...$420.65$384.26 -
CUMMINS 4349738 THRUST BEARING Original OEM part
CUMMINS
$1,104.32$1,008.79Precision engineered for uncompromising powertrain support Ensures smooth axial load handling for optimal engine performance Genuine CUMMINS OEM part delivering trusted durability and exact...$1,104.32$1,008.79 -
CUMMINS 4349707 CHECK VALVE Original OEM part
CUMMINS
$4,934.89$4,508.03Engineered Excellence for Enduring Power Precision fluid control for optimal engine efficiency Durable design reducing maintenance frequency Authentic OEM part crafted by Cummins to guarantee...$4,934.89$4,508.03 -
CUMMINS 4349705 CHECK VALVE Original OEM part
CUMMINS
$3,554.80$3,247.31Engineered to sustain uncompromising power and precision Ensures seamless fluid flow control to protect engine components Durable design built for long-lasting service in demanding environments 100%...$3,554.80$3,247.31