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 5280007 REDUCING HOSE Original OEM part
CUMMINS
$124.29$113.54Crafted for uncompromising reliability and seamless engine performance Precision-engineered reducing hose to optimize fluid flow and system integrity Durable construction designed for extended...$124.29$113.54 -
CUMMINS 5280006 TBOLT CLAMP Original OEM part
CUMMINS
$43.19$39.46Engineered excellence for uncompromised power system integrity Durable design ensuring long-lasting secure clamping under demanding conditions Precision manufacturing by CUMMINS guaranteeing perfect...$43.19$39.46 -
CUMMINS 5280005 TBOLT CLAMP Original OEM part
CUMMINS
$48.06$43.90Cummins 5280005 - T-BOLT CLAMP MINS5280005 Engineered by Cummins, the 5280005 - T-BOLT CLAMP is a vital piece for your outdoor equipment maintenance. Our store stands out as your go-to destination...$48.06$43.90 -
CUMMINS 5280004 ELBOW HOSE Original OEM part
CUMMINS
$105.95$96.79Engineered for precision and longevity, this hose ensures your Cummins system withstands rigorous demands. Designed to maintain optimal coolant flow, reducing engine wear and supporting peak...$105.95$96.79 -
CUMMINS 5280003 TBOLT CLAMP Original OEM part
CUMMINS
$40.19$36.72Engineered integrity for lasting power connections Robust clamping strength designed for demanding Cummins applications Precision fit guarantees leak-free and vibration-resistant sealing Certified...$40.19$36.72 -
CUMMINS 5279257 DIPSTICK Original OEM part
CUMMINS
$198.75$181.56Reliability rooted in engineering excellence Precision-crafted to guarantee accurate oil level readings Durable construction designed to withstand harsh operating conditions 100% genuine Cummins OEM...$198.75$181.56 -
CUMMINS 5278789 AIR CLEANER BRACKET Original OEM part
CUMMINS
$967.96$884.23Engineered for Superior Support: This bracket securely mounts the air cleaner to maintain optimal airflow and protection. Durability That Lasts: Crafted from premium materials to withstand harsh...$967.96$884.23 -
CUMMINS 5278396 LOWER ENGINE GASKET KIT Original OEM part
CUMMINS
$4,648.69$4,246.58Precision engineered for lasting engine integrity Superior sealing to prevent leaks and maintain engine efficiency 100% OEM Cummins craftsmanship guaranteeing compatibility and durability CUMMINS...$4,648.69$4,246.58 -
CUMMINS 5278102 STARTING MOTOR Original OEM part
CUMMINS
$4,301.30$3,929.24Power your engine's journey with Cummins precision and trust Robust design ensuring rapid and reliable engine starts every time Engineered to optimize longevity and resist wear under demanding...$4,301.30$3,929.24 -
CUMMINS 5277629 UNLOADER CONVERSION KIT Original OEM part
CUMMINS
$761.75$695.86Cummins 5277629 - UNLOADER CONVERSION KIT MINS5277629 Upgrade your outdoor equipment's performance with the Cummins 5277629 Unloader Conversion Kit. Specially designed to enhance your lawn mower's...$761.75$695.86 -
CUMMINS 5277588 CYLINDER HEAD Original OEM part
CUMMINS
$9,607.46$8,776.42Precision-Engineered Performance: Delivering exact specifications for seamless engine restoration. Durability that Lasts: Crafted from premium materials to withstand rigorous operating conditions...$9,607.46$8,776.42 -
CUMMINS 5277137 COVER PLATE GASKET Original OEM part
CUMMINS
$8.58$7.84Precision-engineered sealing for uncompromised engine integrity. Durable gasket material designed to withstand high temperatures and pressures. Specifically manufactured as a genuine OEM Cummins...$8.58$7.84 -
CUMMINS 5272782 MOUNTING SPACER Original OEM part
CUMMINS
$197.83$180.72Engineered for unmatched precision and durability in every installation Essential mounting spacer designed to maintain structural integrity OEM quality guarantees compatibility and long-term...$197.83$180.72 -
CUMMINS 5272781 HYDRAULIC PUMP PULLEY Original OEM part
CUMMINS
$373.93$341.58Engineered for Excellence: Delivering precision and robust performance High-Quality Construction: Crafted to withstand demanding hydraulic applications Seamless Compatibility: Perfectly engineered...$373.93$341.58 -
CUMMINS 5272733 VIBRATION ISOLATOR Original OEM part
CUMMINS
$1,077.06$983.90Engineered to Perfection: Precisely designed to effectively minimize vibrations, protecting your generator's core components. Durability in Every Detail: Manufactured from high-grade materials to...$1,077.06$983.90 -
CUMMINS 5272707 FUEL DRAIN TUBE Original OEM part
CUMMINS
$38.14$34.84Engineered for endurance: specifically designed to ensure efficient fuel drainage and prevent leaks under any operating condition. Precision fit guaranteed: made as an original OEM part to maintain...$38.14$34.84 -
CUMMINS 5270742 PIN DOWEL Original OEM part
CUMMINS
$4.84$4.42Unwavering precision for engine integrity Durable pin dowel crafted for optimum alignment 100% Genuine OEM Cummins component ensuring perfect fit and reliability CUMMINS 5270742 PIN DOWEL - Power...$4.84$4.42 -
CUMMINS 5270667 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$10,222.09$9,337.88Precision-engineered to uphold Cummins’ legacy of uncompromised quality and performance. Advanced aftertreatment technology designed to optimize emissions control and prolong engine life...$10,222.09$9,337.88 -
CUMMINS 5270659 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$10,222.09$9,337.88Maximize engine efficiency and environmental compliance with precision-engineered performance. Advanced emission reduction technology designed to extend engine life and reduce downtime. 100% genuine...$10,222.09$9,337.88 -
CUMMINS 5270657 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$8,559.64$7,819.23Engineered for Precision and Reliability Advanced Emissions Control for Cleaner Operation Durable Construction Ensures Long Service Life Authentic OEM Part From Cummins for Guaranteed...$8,559.64$7,819.23 -
CUMMINS 5270645 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$8,869.49$8,102.28Precision-engineered for uncompromising emissions control and durability Optimizes exhaust treatment to maintain engine health and fuel efficiency 100% genuine OEM part from Cummins ensuring perfect...$8,869.49$8,102.28 -
CUMMINS 5270428 ADJUSTING SCREW RETAINER Original OEM part
CUMMINS
$217.62$198.79Cummins 5270428 - ADJUSTING SCREW RETAINER MINS5270428 Find confidence in restoring your outdoor equipment to top condition with the 5270428 - ADJUSTING SCREW RETAINER from Cummins. Our store...$217.62$198.79 -
CUMMINS 5270266 WATER TRANSFER CONNECTION Original OEM part
CUMMINS
$6.69$6.12Cummins 5270266 - WATER TRANSFER CONNECTION MINS5270266 Find the authentic 5270266 - WATER TRANSFER CONNECTION by Cummins at our store. Crafted for precise fit and exceptional performance, this...$6.69$6.12 -
CUMMINS 5270036 FAN SPACER Original OEM part
CUMMINS
$217.00$198.23Precision engineered for dependable engine cooling efficiency Ensures optimal fan alignment to extend engine lifespan Crafted as a genuine OEM component by Cummins for guaranteed compatibility and...$217.00$198.23 -
CUMMINS 5269315 PUMP FUEL TRANSFER Original OEM part
CUMMINS
$228.76$208.97Cummins 5269315 - PUMP FUEL TRANSFER - NO LONGER AVAILABLE MINS5269315 Find the original Cummins 5269315 - PUMP FUEL TRANSFER - NO LONGER AVAILABLE part at our store. Ensure top-notch quality and...$228.76$208.97 -
CUMMINS 5268789 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$10,222.09$9,337.88Precision-engineered for optimal emission control and power efficiency Durable design ensures long-lasting performance under demanding conditions Certified genuine OEM from Cummins guaranteeing full...$10,222.09$9,337.88 -
CUMMINS 5268010 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$10,222.09$9,337.88Cummins 5268010 - AFTERTREATMENT DEVICE MINS5268010 Embark on a seamless shopping experience for the authentic 5268010 - AFTERTREATMENT DEVICE by Cummins at our store. Equipped with top-notch...$10,222.09$9,337.88 -
CUMMINS 5267723 FUEL SUPPLY TUBE Original OEM part
CUMMINS
$36.58$33.42Precision engineered for peak fuel flow to optimize engine efficiency Durable construction ensures long service life under demanding conditions Certified OEM authenticity guarantees seamless...$36.58$33.42 -
CUMMINS 5267220 SHAFT GUARD Original OEM part
CUMMINS
$350.63$320.30Engineered Reliability Meets Cummins Precision Robust Protection for Critical Shaft Components Designed for Optimal Compatibility and Long-Term Performance 100% Genuine OEM Cummins Part for...$350.63$320.30 -
CUMMINS 5267208 REAR ENGINE SUPPORT Original OEM part
CUMMINS
$1,291.49$1,179.78Cummins 5267208 - REAR ENGINE SUPPORT MINS5267208 Discover the unrivaled quality of the Cummins 5267208 - REAR ENGINE SUPPORT, meticulously crafted to ensure peak performance and durability for your...$1,291.49$1,179.78 -
CUMMINS 5267177 AIR COMPRESSOR PULLEY Original OEM part
CUMMINS
$72.07$65.84Cummins 5267177 - AIR COMPRESSOR PULLEY MINS5267177 Find the top-quality 5267177 - AIR COMPRESSOR PULLEY by Cummins at our store. Ensure your outdoor equipment operates efficiently with this...$72.07$65.84 -
CUMMINS 5266911 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$10,222.09$9,337.88Engineered for lasting excellence in emission management and engine health Seamlessly maintains your Cummins system’s peak performance and compliance Certified genuine OEM part ensuring perfect fit...$10,222.09$9,337.88 -
CUMMINS 5266907 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$10,222.09$9,337.88Engineered for Excellence: Enhance emissions control with precision-crafted durability. Optimized for Efficiency: Supports cleaner operation and fuel economy in demanding applications. Guaranteed...$10,222.09$9,337.88 -
CUMMINS 5266905 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$10,222.09$9,337.88Engineered precision for emissions mastery Durable construction to maximize service life 100% genuine OEM Cummins component for guaranteed system integrity CUMMINS 5266905 AFTERTREATMENT DEVICE-The...$10,222.09$9,337.88 -
CUMMINS 5266903 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$10,222.09$9,337.88Engineered to excel under the toughest conditions Advanced emission control for cleaner, compliant operation Optimized design promoting fuel efficiency and engine health 100% genuine Cummins OEM...$10,222.09$9,337.88 -
CUMMINS 5266560 PLAIN HOSE COUPLING Original OEM part
CUMMINS
$21.43$19.57Optimized for durability and precision to maintain system integrity Constructed with high-grade materials to resist wear and environmental stress Factory-engineered OEM part manufactured to meet...$21.43$19.57 -
CUMMINS 5266537 STARTING MOTOR Original OEM part
CUMMINS
$2,477.73$2,263.40Power your engine with unwavering confidence and precision-start technology. Robust torque delivery: Ensures rapid engine ignition even under the most demanding conditions. Durability engineered for...$2,477.73$2,263.40 -
CUMMINS 5266534 STARTING MOTOR Original OEM part
CUMMINS
$2,174.20$1,986.14Depend on precision-engineered power start-up every time Robust design ensures consistent engine engagement under demanding conditions Optimized for seamless integration with Cummins...$2,174.20$1,986.14 -
CUMMINS 5266305 MODULE BRACKET Original OEM part
CUMMINS
$160.21$146.35Engineered to hold your power system firmly in place—because every component matters. Precisely crafted to ensure unmatched compatibility and stability within your Cummins generator systems...$160.21$146.35 -
CUMMINS 5266200 CLIP Original OEM part
CUMMINS
$7.33$6.69Experience unmatched durability and precision engineered to sustain heavy-duty performance. Designed for seamless integration and reliable holding strength under demanding conditions. Maintains...$7.33$6.69