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 4939402 MALE ADAPTER ELBOW Original OEM part
CUMMINS
$140.21$128.08Engineered for seamless integration and enduring performance Designed to maintain optimal flow and pressure in critical systems 100% Genuine OEM Cummins manufacturing ensures full compatibility and...$140.21$128.08 -
CUMMINS 4939251 MARINE GEAR SUPPORT Original OEM part
CUMMINS
$2,439.14$2,228.15Cummins 4939251 - MARINE GEAR SUPPORT MINS4939251 With the 4939251 - MARINE GEAR SUPPORT by Cummins (SKU: MINS4939251), find a perfect fit for your outdoor equipment. Our store ensures top-quality...$2,439.14$2,228.15 -
CUMMINS 4939248 MARINE GEAR SUPPORT Original OEM part
CUMMINS
$2,170.29$1,982.56Engineered Precision Meets Marine Endurance Robust structural support for marine gear systems ensuring stability under extreme conditions Durable, corrosion-resistant construction tailored to marine...$2,170.29$1,982.56 -
CUMMINS 4939093 OIL TUBE BRACKET Original OEM part
CUMMINS
$112.32$102.60Cummins 4939093 - OIL TUBE BRACKET MINS4939093 Shop with confidence for the genuine 4939093 - OIL TUBE BRACKET by Cummins. Our store offers the best price and fast shipping, ensuring you can quickly...$112.32$102.60 -
CUMMINS 4939079 FILTER BRACKET Original OEM part
CUMMINS
$1,141.48$1,042.74Precision engineered for unwavering power system stability Robust design ensures secure filter mounting under demanding conditions Constructed as a genuine Cummins OEM component guaranteeing exact...$1,141.48$1,042.74 -
CUMMINS 4939067 BANJO CONNECTOR Original OEM part
CUMMINS
$70.28$64.20Engineered Precision for Enduring Power Seamless fluid transfer with robust build quality Optimized for compatibility and leak-free operation Authentic CUMMINS OEM part assuring guaranteed...$70.28$64.20 -
CUMMINS 4938957 PLAIN HOSE COUPLING Original OEM part
CUMMINS
$162.82$148.73Precision engineered to maintain system integrity and maximize engine efficiency Durable design that withstands extreme conditions, ensuring continuous power delivery 100% genuine OEM part from...$162.82$148.73 -
CUMMINS 4938759 CONNECTION EXHAUST OUTLET Original OEM part
CUMMINS
$945.93$864.10CUMMINS 4938759 CONNECTION EXHAUST OUTLET is a high-grade metal OEM replacement part ensuring exact fit and function. Designed to efficiently channel exhaust gases, improving system flow and...$945.93$864.10 -
CUMMINS 4938265 DELPH FUEL INJECTION PUMP Original OEM part
CUMMINS
$7,443.50$6,799.64Engineered for unwavering power delivery and precise fuel metering Delivers optimal combustion for enhanced engine performance and reduced emissions 100% genuine OEM part, ensuring perfect fit and...$7,443.50$6,799.64 -
CUMMINS 4937940 INJECTOR Original OEM part
CUMMINS
$440.38$402.29Engineered for Excellence, Delivered for Dependability Precision Fuel Delivery for Optimal Engine Performance Durable Construction Ensures Long-lasting Reliability Authentic OEM component from...$440.38$402.29 -
CUMMINS 4937690 FLYWHEEL Original OEM part
CUMMINS
$5,132.04$4,688.12Engineered to perfection for seamless power transfer and maximum durability Precision-balanced to reduce vibration and extend engine life Authentic OEM component crafted by Cummins to guarantee full...$5,132.04$4,688.12 -
CUMMINS 4937607 ELECTRONIC CONTROL MODULE SUPPORT Original OEM part
CUMMINS
$322.70$294.79Precision-crafted durability engineered by Cummins for peak electronic control module performance Robust support structure ensuring stable ECM function under demanding conditions Designed for...$322.70$294.79 -
CUMMINS 4937581 COVER VALVE Original OEM part
CUMMINS
$671.83$613.71Cummins 4937581 - COVER VALVE - NO LONGER AVAILABLE MINS4937581 Discover the hard-to-find 4937581 - COVER VALVE - NO LONGER AVAILABLE by Cummins at our store. We take pride in offering original...$671.83$613.71 -
CUMMINS 4937537 TUBE BRACE Original OEM part
CUMMINS
$88.44$80.79Cummins 4937537 - TUBE BRACE MINS4937537 With the SKU MINS4937537 manufactured by Cummins, our store offers the original 4937537 - TUBE BRACE, tailored for your outdoor equipment. Crafted with...$88.44$80.79 -
CUMMINS 4937349 FLEXIBLE HOSE Original OEM part
CUMMINS
$331.98$303.27Precision engineered for seamless integration Durable construction ensures extended service life OEM quality guarantees full compatibility with Cummins systems Reliable flexible hose designed to...$331.98$303.27 -
CUMMINS 4937195 DIPSTICK Original OEM part
CUMMINS
$81.10$74.09Engineered for precision and trusted engine health monitoring Durable construction ensures long-lasting service in demanding conditions 100% genuine OEM CUMMINS part designed for seamless...$81.10$74.09 -
CUMMINS 4937099 BREATHER TUBE Original OEM part
CUMMINS
$90.04$82.25Engineered Precision for Peak Performance: Trust in a breather tube designed to maintain optimal engine ventilation and pressure balance. Durable Construction for Long-Lasting Use: Made with...$90.04$82.25 -
CUMMINS 4936966 MARINE GEAR SUPPORT Original OEM part
CUMMINS
$536.90$490.46Engineered to perfection for dependable marine power delivery Robust design withstands harsh marine environments Precision OEM fit guarantees seamless integration with your Cummins system Authentic...$536.90$490.46 -
CUMMINS 4936635 ALTERNATOR BRACE Original OEM part
CUMMINS
$332.04$303.32Precision engineered for flawless compatibility and enduring strength Supports alternator alignment ensuring optimal electrical performance Built with premium materials to withstand demanding engine...$332.04$303.32 -
CUMMINS 4936450 TUBE BRACE Original OEM part
CUMMINS
$96.24$87.91Engineered to fortify your Cummins power system's integrity. Robust design ensures maximum stability under all operating conditions. Manufactured as an original equipment manufacturer (OEM) part for...$96.24$87.91 -
CUMMINS 4936436 STUDDED HEX CAPSCREW Original OEM part
CUMMINS
$87.99$80.38Precision fastening excellence engineered for Cummins power. Heavy-duty studded hex design providing maximum grip and durability under extreme conditions. Corrosion-resistant finish that...$87.99$80.38 -
CUMMINS 4936434 TUBE BRACE Original OEM part
CUMMINS
$127.54$116.51Cummins 4936434 - TUBE BRACE MINS4936434 Discover the authentic Cummins 4936434 - TUBE BRACE, designed as the perfect replacement part for your outdoor equipment. Our store stands out as the go-to...$127.54$116.51 -
CUMMINS 4936128 HOSE CLAMP Original OEM part
CUMMINS
$11.30$10.33Engineered for lasting strength and precision fit to maintain optimal engine performance. Resistant to corrosion and vibration ensuring dependable operation under demanding conditions. Genuine OEM...$11.30$10.33 -
CUMMINS 4936118 TUBE BRACE Original OEM part
CUMMINS
$70.12$64.05Engineered to empower your generator’s frame with uncompromising strength and precision. Robust construction designed to withstand demanding operational stresses and extend system lifespan...$70.12$64.05 -
CUMMINS 4936037 PROTECTIVE COVER Original OEM part
CUMMINS
$215.59$196.95Engineered to safeguard your Cummins power system with uncompromised precision Robust protective barrier against environmental damage and operational wear Optimized for seamless integration ensuring...$215.59$196.95 -
CUMMINS 4935883 HEX FLANGE NUT Original OEM part
CUMMINS
$9.15$8.36Precision-engineered fastening for unwavering stability Heavy-duty construction resists wear and maintains torque Certified OEM part from Cummins ensuring seamless integration CUMMINS 4935883 HEX...$9.15$8.36 -
CUMMINS 4935872 DECAL Original OEM part
CUMMINS
$54.56$49.84Precision-engineered for perfect integration and durability Designed to maintain your Cummins equipment’s professional appearance and safety compliance Manufactured exclusively by Cummins, ensuring...$54.56$49.84 -
CUMMINS 4935843 HEAT SHIELD Original OEM part
CUMMINS
$1,165.89$1,065.04Precision-engineered protection for lasting power. Durable heat shielding that safeguards critical engine components. Exceptional fit ensuring seamless integration with your Cummins system. 100%...$1,165.89$1,065.04 -
CUMMINS 4935729 DECAL Original OEM part
CUMMINS
$54.56$49.84Precision crafted for enduring performance Durable material resists harsh environments and fading Official OEM decal guarantees perfect compatibility Directly from Cummins for trusted...$54.56$49.84 -
CUMMINS 4935618 AFTERCOOLER SUPPORT Original OEM part
CUMMINS
$962.93$879.63Engineered Precision for Unrivaled Reliability Robust support for aftercooler assembly ensuring enhanced thermal performance Durable construction designed to withstand harsh operating...$962.93$879.63 -
CUMMINS 4934807 PROTECTIVE COVER Original OEM part
CUMMINS
$283.32$258.81Engineered to shield, designed to endure — trust the power of Cummins precision. Durable protection against environmental damage, extending engine life. Exact OEM fit ensures seamless integration...$283.32$258.81 -
CUMMINS 4934641 PLAIN HOSE COUPLING Original OEM part
CUMMINS
$225.76$206.23Engineered precision for uncompromised durability and seamless integration Ensures leak-free connections to maintain optimal fluid flow and engine health Manufactured and certified by Cummins to...$225.76$206.23 -
CUMMINS 4934607 FILTER HEAD COVER Original OEM part
CUMMINS
$300.77$274.76Engineered precision for uncompromised performance Durable construction designed to withstand rigorous operating conditions Specifically designed as a genuine OEM Cummins component for perfect fit...$300.77$274.76 -
CUMMINS 4934439 TUBE BRACE Original OEM part
CUMMINS
$63.36$57.88Engineered for Precision: Designed to secure critical tubing components, maintaining system integrity under demanding conditions. Robust Construction: Crafted from high-grade materials to withstand...$63.36$57.88 -
CUMMINS 4934384 DECAL Original OEM part
CUMMINS
$45.14$41.23Cummins 4934384 - DECAL MINS4934384 Find the authentic 4934384 - DECAL by Cummins at our online store. We guarantee original replacement parts that ensure top-notch performance for your outdoor...$45.14$41.23 -
CUMMINS 4934142 WIRE TIE CLAMP Original OEM part
CUMMINS
$25.93$23.68Cummins 4934142 - WIRE TIE CLAMP MINS4934142 Find the perfect solution for your lawn mower with the 4934142 - WIRE TIE CLAMP from Cummins. At our store, you can trust that you are getting the...$25.93$23.68 -
CUMMINS 4934093 HOSE PLAIN Original OEM part
CUMMINS
$139.58$127.51Cummins 4934093 - HOSE PLAIN - NO LONGER AVAILABLE MINS4934093 Finding authentic original replacement parts like the Cummins 4934093 - HOSE PLAIN - NO LONGER AVAILABLE can be a challenge. But fear...$139.58$127.51 -
CUMMINS 4934075 VALVE INSERT Original OEM part
CUMMINS
$36.90$33.71Cummins 4934075 - VALVE INSERT MINS4934075 Find the genuine 4934075 - VALVE INSERT by Cummins at our store, where quality meets affordability. This original part, SKU MINS4934075, is the perfect...$36.90$33.71 -
CUMMINS 4934074 VALVE INSERT Original OEM part
CUMMINS
$36.98$33.78Engineered excellence driving durability and precision Ensures optimal valve sealing for enhanced combustion efficiency Manufactured to exact Cummins OEM specifications for guaranteed fit and...$36.98$33.78 -
CUMMINS 4933804 EXHAUST OUTLET CONNECTION BRACE Original OEM part
CUMMINS
$599.82$547.93Cummins 4933804 - EXHAUST OUTLET CONNECTION BRACE MINS4933804 Find the ultimate solution for your outdoor equipment with the 4933804 - EXHAUST OUTLET CONNECTION BRACE by Cummins. Our store showcases...$599.82$547.93