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 3921814 CLIP Original OEM part
CUMMINS
$16.84$15.38Engineered to uphold Cummins' legacy of precision and dependability Durable clip design ensuring secure connections in demanding environments Corrosion-resistant material for extended lifecycle and...$16.84$15.38 -
CUMMINS 3921799 NOISE PANEL BRACKET Original OEM part
CUMMINS
$50.50$46.14Engineered Precision for Silent Power Robust construction ensures lasting noise dampening Designed specifically for Cummins generator compatibility Certified genuine OEM component for guaranteed...$50.50$46.14 -
CUMMINS 3921612 BELT GUARD BRACKET Original OEM part
CUMMINS
$524.59$479.22Protect your powertrain with precision-engineered resilience Durable construction to safeguard belts from wear and damage Designed to fit seamlessly within Cummins machinery ensuring optimal...$524.59$479.22 -
CUMMINS 3921610 BELT GUARD BRACKET Original OEM part
CUMMINS
$559.13$510.76Engineered Protection for Unmatched Reliability Precision-fit Belt Guard Bracket that Safeguards Your Engine Components Constructed from High-Grade Materials for Long-lasting Durability Manufactured...$559.13$510.76 -
CUMMINS 3921594 THREADED PLUG Original OEM part
CUMMINS
$75.04$68.55Precision-engineered sealing for reliable engine protection Durable construction designed to withstand harsh operating conditions 100% genuine OEM Cummins component ensuring perfect fit and optimal...$75.04$68.55 -
CUMMINS 3921316 MALE CONNECTOR Original OEM part
CUMMINS
$24.64$22.51Precision engineered for trusted power connections Durable design protects signal integrity under demanding conditions Corrosion-resistant materials enhance long-term reliability 100% Genuine OEM...$24.64$22.51 -
CUMMINS 3920955 CONNECTION EXHAUST OUTLET Original OEM part
CUMMINS
$2,030.94$1,855.26Cummins 3920955 - CONNECTION EXHAUST OUTLET MINS3920955 Offering genuine quality and originality, the Cummins 3920955 - CONNECTION EXHAUST OUTLET part, SKU MINS3920955, stands out for its...$2,030.94$1,855.26 -
CUMMINS 3920445 ALTERNATOR BRACE Original OEM part
CUMMINS
$50.22$45.87Engineered to perfection for unwavering power continuity Robust construction to withstand intensive operational demands Precision fit ensuring optimal alternator alignment and vibration...$50.22$45.87 -
CUMMINS 3920115 HEX FLANGE HEAD CAPSCREW Original OEM part
CUMMINS
$53.89$49.23Unwavering Strength Meets Precision Engineering Engineered for Optimal Torque and Vibration Resistance Durability Built to Endure Extreme Operating Conditions Certified Cummins OEM Component for...$53.89$49.23 -
CUMMINS 3919993 MOUNTING SPACER Original OEM part
CUMMINS
$59.90$54.72Cummins 3919993 - MOUNTING SPACER MINS3919993 Find top-quality original Cummins 3919993 - MOUNTING SPACER available at our store with the SKU MINS3919993. Our store stands out as the go-to...$59.90$54.72 -
CUMMINS 3919992 ALTERNATOR BRACE Original OEM part
CUMMINS
$99.10$90.53Cummins 3919992 - ALTERNATOR BRACE MINS3919992 We proudly offer the 3919992 - ALTERNATOR BRACE by Cummins in our store, ensuring that customers receive authentic replacement parts. With our...$99.10$90.53 -
CUMMINS 3919448 SOCKET HEAD CAPSCREW Original OEM part
CUMMINS
$13.00$11.88Cummins 3919448 - SOCKET HEAD CAPSCREW - - NO LONGER AVAILABLE MINS3919448 Discover the exclusive Cummins 3919448 - SOCKET HEAD CAPSCREW here. No longer available elsewhere, our store is the top...$13.00$11.88 -
CUMMINS 3917762 TUBE BRACE Original OEM part
CUMMINS
$16.68$15.24Durability engineered by Cummins, trusted by professionals worldwide. Robust structural support to maintain optimal tubing stability under demanding conditions. Corrosion-resistant design ensuring...$16.68$15.24 -
CUMMINS 3917753 CLAMPING RING Original OEM part
CUMMINS
$654.68$598.05Engineered for unmatched precision and resilience Ensures optimal sealing and secure assembly in Cummins systems Durable construction withstands demanding operating conditions 100% Genuine OEM...$654.68$598.05 -
CUMMINS 3917570 OIL FILLER TUBE Original OEM part
CUMMINS
$2,804.64$2,562.04Cummins 3917570 - OIL FILLER TUBE MINS3917570 Discover the genuine Cummins 3917570 - OIL FILLER TUBE at our store, the ultimate destination for top-quality replacement parts. Ensure optimal...$2,804.64$2,562.04 -
CUMMINS 3917569 OIL FILLER TUBE Original OEM part
CUMMINS
$234.76$214.45Engineered to uphold Cummins' legacy of reliability and precision. Designed for seamless installation and optimal engine oil management. Constructed from premium materials for extended service life...$234.76$214.45 -
CUMMINS 3917308 ELECTRIC MOTOR Original OEM part
CUMMINS
$887.33$810.57Power your Cummins engine with precision and durability that lasts. Robust design delivering consistent torque for optimal engine operation. Superior electrical efficiency that enhances fuel economy...$887.33$810.57 -
CUMMINS 3916863 ELBOW HOSE COUPLING Original OEM part
CUMMINS
$91.15$83.27Precision engineered for seamless integration and enduring reliability. Optimized for maintaining peak engine fluid dynamics with minimal wear. Constructed from premium materials to withstand high...$91.15$83.27 -
CUMMINS 3916723 TUBE BRACE Original OEM part
CUMMINS
$60.78$55.53Precision-engineered for unwavering stability Reinforces vital tubing to maintain optimal engine function Crafted exclusively as a genuine OEM part to ensure maximum compatibility CUMMINS 3916723...$60.78$55.53 -
CUMMINS 3916716 HEAT SHIELD Original OEM part
CUMMINS
$232.59$212.47Precision engineered to protect, built to last. Exceptional thermal insulation to safeguard adjacent components. Robust design for extended durability under extreme engine conditions. Certified...$232.59$212.47 -
CUMMINS 3916049 FLEXIBLE HOSE Original OEM part
CUMMINS
$152.05$138.90Engineered for Excellence: Precision-crafted to meet Cummins’ rigorous standards, this flexible hose ensures optimal fluid transfer under demanding conditions. Durability That Endures: Manufactured...$152.05$138.90 -
CUMMINS 3915598 MOUNTING SPACER Original OEM part
CUMMINS
$2,516.66$2,298.97Cummins 3915598 - MOUNTING SPACER MINS3915598 Discover the premium quality "3915598 - MOUNTING SPACER" by Cummins, SKU "MINS3915598," exclusively at our store. Our commitment to authenticity ensures...$2,516.66$2,298.97 -
CUMMINS 3914128 FLYWHEEL Original OEM part
CUMMINS
$3,056.44$2,792.06Precision engineered for enduring power and performance Robust construction designed to optimize engine balance and reduce vibration Critical component for smooth starting and operational...$3,056.44$2,792.06 -
CUMMINS 3913426 EXHAUST OUTLET CONNECTION BRACE Original OEM part
CUMMINS
$319.50$291.87Engineered for endurance, designed for reliability. Robust construction enhances exhaust system stability under demanding conditions. Precision fitment guarantees seamless integration with Cummins...$319.50$291.87 -
CUMMINS 3913425 OUTLET EXHAUST PIPE Original OEM part
CUMMINS
$3,141.98$2,870.20Cummins 3913425 - OUTLET EXHAUST PIPE MINS3913425 Discover the perfect fit for your equipment with the Genuine Cummins 3913425 - OUTLET EXHAUST PIPE available at our store. Enjoy the assurance of...$3,141.98$2,870.20 -
CUMMINS 3913321 SEALING WASHER Original OEM part
CUMMINS
$17.25$15.76Engineered for precision sealing to maintain optimal engine performance Durable materials that withstand high temperatures and pressure 100% Genuine OEM Cummins part ensuring perfect fit and long...$17.25$15.76 -
CUMMINS 3912903 FLYWHEEL Original OEM part
CUMMINS
$9,728.63$8,887.10Powering reliability through precision engineering Robust design ensuring seamless engine balance Enhanced durability for extended engine life Certified genuine OEM Cummins component guaranteeing...$9,728.63$8,887.10 -
CUMMINS 3912862 CAV FUEL INJECTION PUMP Original OEM part
CUMMINS
$8,260.34$7,545.82Engineered to power your world with unmatched precision and durability Ensures accurate fuel metering for optimal engine efficiency and reduced emissions Robust design built for long-term...$8,260.34$7,545.82 -
CUMMINS 3912689 OIL FILLER TUBE Original OEM part
CUMMINS
$312.88$285.82Engineered for Excellence, Trusted for Life Durability and precision-crafted design ensure leak-free oil filling every time Enhances engine lubrication efficiency and protects critical...$312.88$285.82 -
CUMMINS 3912687 OIL FILLER TUBE Original OEM part
CUMMINS
$260.15$237.65Precision engineered to uphold Cummins’ legacy of power and durability. Durable construction ensures leak-free and hassle-free oil filling. Designed for seamless integration within Cummins engines...$260.15$237.65 -
CUMMINS 3912683 OIL TUBE BRACKET Original OEM part
CUMMINS
$328.43$300.02Precision engineered for reliable performance under demanding conditions Maintains critical oil line alignment to prevent leaks and engine wear Designed exclusively by CUMMINS for guaranteed OEM...$328.43$300.02 -
CUMMINS 3912507 COMPRESSOR WATER INLET TUBE Original OEM part
CUMMINS
$155.57$142.12Precision-engineered for seamless integration and enduring power. Optimized design for efficient coolant flow and engine protection. Manufactured as an authentic OEM component by Cummins for...$155.57$142.12 -
CUMMINS 3911803 STUD Original OEM part
CUMMINS
$335.06$306.08Cummins 3911803 - STUD - - NO LONGER AVAILABLE MINS3911803 Find the original 3911803 - STUD - - NO LONGER AVAILABLE from Cummins at our store. Even though it's no longer available elsewhere, we...$335.06$306.08 -
CUMMINS 3911467 COMPRESSOR AIR INLET TUBE Original OEM part
CUMMINS
$270.55$247.15Precision engineered for uncompromised performance Enhances engine air flow efficiency and system longevity Durable construction designed specifically for Cummins compressors 100% genuine OEM...$270.55$247.15 -
CUMMINS 3911349 EXHAUST MANIFOLD Original OEM part
CUMMINS
$6,522.96$5,958.72Cummins 3911349 - EXHAUST MANIFOLD MINS3911349 Our store is your go-to destination for the authentic Cummins 3911349 - EXHAUST MANIFOLD. Crafted with precision and quality materials, this part...$6,522.96$5,958.72 -
CUMMINS 3910989 OUTLET EXHAUST PIPE Original OEM part
CUMMINS
$659.08$602.07Precision engineered for uncompromised exhaust efficiency and durability Designed to optimize exhaust flow and reduce operational noise 100% genuine Cummins OEM component guaranteeing perfect fit...$659.08$602.07 -
CUMMINS 3910348 ANGLE DRIVE ADAPTER Original OEM part
CUMMINS
$721.63$659.21Precision engineered power transmission with every turn. Robust construction ensures long-lasting durability under demanding conditions. Optimized compatibility for flawless integration with your...$721.63$659.21 -
CUMMINS 3908730 BALL BEARING Original OEM part
CUMMINS
$154.14$140.81Precision engineered to uphold Cummins’ legacy of dependable power Superior durability and smooth operation for extended engine life Designed to minimize friction and maintain system efficiency...$154.14$140.81 -
CUMMINS 3908607 FUEL FILTER Original OEM part
CUMMINS
$1,360.60$1,242.91Cummins 3908607 - FUEL FILTER MINS3908607 Find the authentic 3908607 - FUEL FILTER from Cummins at our online store. Engineered to exact specifications, this genuine replacement part ensures optimal...$1,360.60$1,242.91 -
CUMMINS 3908256 HYDRAULIC PUMP GASKET Original OEM part
CUMMINS
$32.48$29.67Precision engineered for lasting performance Ensures optimal hydraulic sealing under demanding conditions Manufactured as a genuine OEM Cummins component for guaranteed compatibility CUMMINS...$32.48$29.67