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 66501 STARTING SWITCH Original OEM part
CUMMINS
$622.93$569.04Precision-engineered for dependable engine starts every time Robust construction designed to withstand demanding power system conditions Authentic OEM component by Cummins, guaranteeing exact fit...$622.93$569.04 -
CUMMINS 66257 THERMOSTAT HOUSING GASKET Original OEM part
CUMMINS
$13.82$12.62Engineered Precision for Optimal Seal Integrity Durable Material Designed to Withstand Extreme Temperatures Authentic OEM Part Guaranteed to Fit Your Cummins System Seamlessly Trust in Cummins...$13.82$12.62 -
CUMMINS 66178B STUD Original OEM part
CUMMINS
$423.20$386.60Precision engineered for uncompromising durability and fit. Essential for maintaining reliable engine assembly integrity under demanding conditions. Corrosion-resistant design supports long-term...$423.20$386.60 -
CUMMINS 66112B MOUNTING SPACER Original OEM part
CUMMINS
$227.14$207.49Cummins 66112-B - MOUNTING SPACER MINS66112-B Find top-quality original 66112-B - MOUNTING SPACER by Cummins at our store. Our commitment to offering genuine replacement parts ensures your...$227.14$207.49 -
ONAN 66011162 FRAME 6 6EO NEUTRAL TERMINAL Original ONAN/CUMMINS OEM part
ONAN
$344.70$314.89Precision-crafted for seamless integration with ONAN generators Ensures stable neutral connection to maintain optimal electrical balance Built to endure demanding operational environments,...$344.70$314.89 -
ONAN 66010287 FRAME 6 D/P NEUTRAL EARTH Original ONAN/CUMMINS OEM part
ONAN
$623.72$569.77Precision-crafted to uphold ONAN's engineering excellence Essential for stable neutral earth grounding in FRAME 6 D/P applications Durable design to maximize generator system safety and...$623.72$569.77 -
ONAN 66010061 DP PANEL Original ONAN/CUMMINS OEM part
ONAN
$503.33$459.79Precision-engineered reliability by Onan to maintain your generator's trusted performance Integrated digital panel design for intuitive control and real-time monitoring Rugged construction ensures...$503.33$459.79 -
CUMMINS 651069 ENGINE FAN Original OEM part
CUMMINS
$770.14$703.52Precision cooling engineered for enduring power. Robust construction ensures consistent airflow under demanding conditions. Optimizes engine temperature to maximize fuel efficiency and reduce...$770.14$703.52 -
CUMMINS 650072 TACHOMETER Original OEM part
CUMMINS
$6,067.26$5,542.44Cummins 650072 - TACHOMETER MINS650072 Get your hands on the genuine Cummins 650072 - TACHOMETER at our store. With precision engineering and top-notch quality, this replacement part ensures...$6,067.26$5,542.44 -
CUMMINS 64977 PLAIN HOSE Original OEM part
CUMMINS
$83.64$76.40Engineered for excellence, built to last—your Cummins power deserves the genuine touch. Robust construction ensures superior fluid transfer and resistance to wear. Precision fit guarantees seamless...$83.64$76.40 -
CUMMINS 64929 STUD Original OEM part
CUMMINS
$66.02$60.31Engineered Precision Meets Enduring Reliability Exceptional Material Strength: Crafted to withstand high stress and heat for prolonged service life Perfect Fit Guarantee: Designed specifically for...$66.02$60.31 -
CUMMINS 64816A PIN DOWEL Original OEM part
CUMMINS
$18.44$16.84Unmatched Precision and Reliability: Designed to ensure perfect alignment in your Cummins engine components for smooth operation. Durability Under Demanding Conditions: Crafted from premium...$18.44$16.84 -
CUMMINS 64586 CONTROL ROD Original OEM part
CUMMINS
$173.03$158.06Precision in motion, reliability in power. Engineered for exact fitment to maintain optimal engine control. Durable construction designed to withstand rigorous operating conditions. Authentic OEM...$173.03$158.06 -
CUMMINS 64482 LOCKWIRE Original OEM part
CUMMINS
$15.43$14.09Engineered to secure critical components under the most demanding conditions with unmatched reliability Precision-crafted lockwire prevents loosening of fasteners, ensuring uninterrupted engine...$15.43$14.09 -
CUMMINS 644331 WATER TRANSFER CONNECTION GASKET Original OEM part
CUMMINS
$20.69$18.90Cummins 64433-1 - WATER TRANSFER CONNECTION GASKET - - NO LONGER AVAILABLE MINS64433-1 Find the authentic 64433-1 WATER TRANSFER CONNECTION GASKET from Cummins at our store. Even though it is no...$20.69$18.90 -
CUMMINS 64376 FLANGE GASKET Original OEM part
CUMMINS
$14.08$12.87Engineered for seamless sealing and durability under demanding conditions Precision-crafted to ensure leak-free operation and engine reliability 100% genuine Cummins OEM component for guaranteed...$14.08$12.87 -
CUMMINS 63411 PLAIN HOSE Original OEM part
CUMMINS
$64.68$59.09Cummins 63411 - PLAIN HOSE - - NO LONGER AVAILABLE MINS63411 Find the original 63411 - PLAIN HOSE - - NO LONGER AVAILABLE from Cummins at our store, known for quality replacement parts. Crafted for...$64.68$59.09 -
CUMMINS 63322 PLAIN WASHER Original OEM part
CUMMINS
$31.33$28.62Engineered for uncompromising dependability in every application Precision-crafted to maintain optimal torque and vibration control Durable construction to extend maintenance intervals and reduce...$31.33$28.62 -
CUMMINS 63241N PLAIN HOSE Original OEM part
CUMMINS
$67.12$61.31Engineered for Excellence: Delivering uncompromised reliability under demanding conditions. Durable Material Construction: Designed to withstand heat, pressure, and wear for extended service life...$67.12$61.31 -
CUMMINS 62981 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$753.43$688.26Precision fastened for enduring strength and reliability Engineered to withstand extreme conditions ensuring safety Certified OEM part guaranteeing flawless fit and function Unlock the Power of...$753.43$688.26 -
CUMMINS 61623 PLAIN WASHER Original OEM part
CUMMINS
$12.25$11.19Cummins 61623 - PLAIN WASHER MINS61623 Our store offers the genuine Cummins 61623 - PLAIN WASHER, ensuring top-notch quality for your outdoor equipment. Crafted to meet strict standards, this washer...$12.25$11.19 -
CUMMINS 61143 FLYWHEEL HOUSING COVER Original OEM part
CUMMINS
$72.00$65.78Precision engineered for seamless integration and protection Robust construction to maximize engine longevity and reliability Authentic OEM manufacturing guarantees original Cummins performance...$72.00$65.78 -
CUMMINS 60585 PIN DOWEL Original OEM part
CUMMINS
$142.20$129.90Cummins 60585 - PIN DOWEL MINS60585 Find the authentic Cummins 60585 - PIN DOWEL at our store. This essential replacement part is designed to deliver top-notch performance for your outdoor equipment...$142.20$129.90 -
CUMMINS 5579065 OIL PAN KIT Original OEM part
CUMMINS
$4,839.43$4,420.82Reliability engineered to power your legacy forward Durable construction ensures superior oil containment and leak prevention Precision fit engineered exclusively for Cummins engines Genuine OEM...$4,839.43$4,420.82 -
CUMMINS 556356 EXHAUST MANIFOLD GASKET Original OEM part
CUMMINS
$49.02$44.78Precision-engineered for enduring performance Exceptional sealing to prevent exhaust leaks Constructed from high-grade materials for lasting reliability 100% Genuine OEM Cummins component crafted to...$49.02$44.78 -
CUMMINS 555965 PIN DOWEL Original OEM part
CUMMINS
$38.35$35.03Engineered for precision, built for endurance — your Cummins system deserves nothing less. Precision alignment: The CUMMINS 555965 PIN DOWEL guarantees exact component positioning to maintain engine...$38.35$35.03 -
CUMMINS 555960 PUSH ROD COVER GASKET Original OEM part
CUMMINS
$64.50$58.93Engineered for Precision, Built for Dependability Durable sealing to protect engine components from leaks and contamination Guaranteed compatibility with Cummins engine systems for peak...$64.50$58.93 -
CUMMINS 555959 PUSH ROD COVER GASKET Original OEM part
CUMMINS
$93.35$85.28Crafted for seamless engine protection and peak performance Exceptional sealing capability to prevent leaks and maintain engine integrity Durable construction engineered for long-lasting operation...$93.35$85.28 -
CUMMINS 555926 FLEXIBLE PLATE DISC Original OEM part
CUMMINS
$1,252.54$1,144.19Precision engineered for seamless power delivery and unmatched reliability. Durable flexible plate disc that absorbs torsional vibration, safeguarding your engine. Designed for optimal fit and long...$1,252.54$1,144.19 -
CUMMINS 555925 FLEXIBLE PLATE DISC Original OEM part
CUMMINS
$5,475.85$5,002.19Precision engineered to power your system with unmatched reliability Durable flexible plate disc designed to optimize engine responsiveness Critical component crafted for superior vibration...$5,475.85$5,002.19 -
CUMMINS 555724 COMPRESSION SPRING Original OEM part
CUMMINS
$83.70$76.46Engineered for uncompromising reliability and endurance Precision-crafted to maintain optimal engine valve operation Durable construction designed to withstand rigorous operating...$83.70$76.46 -
CUMMINS 555102 WATER HEADER COVER GASKET Original OEM part
CUMMINS
$94.70$86.51Cummins 555102 - WATER HEADER COVER GASKET MINS555102 Find the quality you trust with the Cummins 555102 - WATER HEADER COVER GASKET, SKU MINS555102. Ensure your outdoor equipment performs at its...$94.70$86.51 -
CUMMINS 555035 PLAIN WASHER Original OEM part
CUMMINS
$15.34$14.01Cummins 555035 - PLAIN WASHER MINS555035 Get the genuine Cummins 555035 - PLAIN WASHER, SKU: MINS555035, from our store for top-notch quality and durability. Our commitment to offering original...$15.34$14.01 -
CUMMINS 554932 PLAIN WASHER Original OEM part
CUMMINS
$23.06$21.07Crafted to uphold Cummins' legacy of engineering excellence Engineered to deliver optimal load distribution and secure fastener performance Manufactured from premium materials for long-lasting...$23.06$21.07 -
CUMMINS 554374 AIR CLEANER SUPPORT Original OEM part
CUMMINS
$76.89$70.24Cummins 554374 - AIR CLEANER SUPPORT - - NO LONGER AVAILABLE MINS554374 Find genuine quality with the Cummins 554374 - AIR CLEANER SUPPORT - - NO LONGER AVAILABLE at our store. Get your hands on the...$76.89$70.24 -
CUMMINS 553995 SPLINE ADAPTER Original OEM part
CUMMINS
$1,029.54$940.48Precision engineered for seamless integration in Cummins power systems. Durable spline design ensuring optimal torque transmission and longevity. Direct OEM component crafted to maintain system...$1,029.54$940.48 -
CUMMINS 553712 ROLLER BEARING Original OEM part
CUMMINS
$140.42$128.27Precision-engineered durability ensuring smooth operation under demanding conditions Optimized to reduce friction and wear enhancing engine efficiency and longevity 100% Genuine OEM Cummins part...$140.42$128.27 -
CUMMINS 553092 WATER PUMP PULLEY Original OEM part
CUMMINS
$888.75$811.87Precision engineered for enduring performance and seamless integration Optimizes cooling system functionality to protect engine Health Manufactured to OEM standards ensuring uncompromised quality...$888.75$811.87 -
CUMMINS 5529504 CYLINDER HEAD Original OEM part
CUMMINS
$10,738.76$9,809.86Cummins 5529504 - CYLINDER HEAD MINS5529504 Find the authentic 5529504 - CYLINDER HEAD from Cummins at the best price in our store. Precision-engineered to ensure peak performance for your outdoor...$10,738.76$9,809.86 -
CUMMINS 5525733 OIL SUCTION CONNECTION Original OEM part
CUMMINS
$1,143.66$1,044.73Engineered to maintain flawless oil suction for peak engine performance Durable construction resists wear, ensuring long-lasting operation and minimal maintenance Authentic Cummins OEM part...$1,143.66$1,044.73