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 4388449 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$7,851.45$7,172.30Cummins 4388449 - AFTERTREATMENT DEVICE MINS4388449 Discover the genuine "4388449 - AFTERTREATMENT DEVICE" by Cummins, available at our store under the SKU "MINS4388449." With a commitment to...$7,851.45$7,172.30 -
CUMMINS 4388395 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$7,851.45$7,172.30Precision Engineered for Emissions Excellence Advanced Aftertreatment Technology Enhancing Engine Longevity 100% Genuine OEM Cummins Quality for Reliable Compatibility Experience Unmatched...$7,851.45$7,172.30 -
CUMMINS 4388107 TUBE CONNECTOR ELBOW Original OEM part
CUMMINS
$4,300.97$3,928.94Precision-engineered reliability from Cummins to keep your power running strong. Durable corrosion-resistant design ensures extended service life under demanding conditions. Optimal fitting...$4,300.97$3,928.94 -
CUMMINS 4388052 AFTERTREATMENT DEVICE Original OEM part - SUPERSEDED FROM 4354261
CUMMINS
$11,856.70$10,831.10Precision engineered for unmatched emissions control and engine efficiency Built to endure rigorous conditions ensuring long-term dependability Guaranteed authentic OEM product directly from Cummins...$11,856.70$10,831.10 -
CUMMINS 4387997 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$7,851.45$7,172.30Precision Engineering for Emissions Mastery Enhances Engine Durability and Fuel Efficiency Certified Genuine OEM Cummins Aftertreatment Device Empower Your Cummins Engine with the 4387997...$7,851.45$7,172.30 -
CUMMINS 4387993 OUTLET MODULE Original OEM part
CUMMINS
$2,877.42$2,628.52Precision engineered for unwavering power system performance Ensures exceptional electrical continuity and system stability Durable construction minimizes downtime and maintenance costs Guaranteed...$2,877.42$2,628.52 -
CUMMINS 4387965 WIRING HARNESS Original OEM part
CUMMINS
$436.70$398.93Empower your power system with uncompromising quality. Precision-crafted wiring harness ensures flawless electrical connectivity and system responsiveness. Durable materials engineered to withstand...$436.70$398.93 -
CUMMINS 4387814 SENSOR BRACKET Original OEM part
CUMMINS
$2,763.25$2,524.23Cummins 4387814 - SENSOR BRACKET MINS4387814 Find the authentic Cummins 4387814 - SENSOR BRACKET (SKU: MINS4387814) at our store. Our commitment to quality ensures you receive genuine replacement...$2,763.25$2,524.23 -
CUMMINS 4387101 LOCK WASHER Original OEM part
CUMMINS
$182.70$166.90Precision engineered fastening solution for ultimate reliability Corrosion-resistant design enhances durability under harsh conditions 100% OEM Cummins quality for seamless compatibility and...$182.70$166.90 -
CUMMINS 4387100 HEX HEAD CAPSCREW Original OEM part
CUMMINS
$19.14$17.48Engineered for precision, built to last. Provides critical fastening strength ensuring engine integrity under demanding conditions. Manufactured to exact Cummins specifications for perfect...$19.14$17.48 -
CUMMINS 4385810 INSULATOR WIRE Original OEM part
CUMMINS
$16.37$14.96Designed to deliver unmatched electrical insulation and protection Constructed with premium materials for extended durability and resistance 100% genuine Cummins OEM part, engineered for perfect...$16.37$14.96 -
CUMMINS 4385809 WASHER INSULATING Original OEM part
CUMMINS
$501.70$458.31Engineered Precision Meets Enduring Protection High-Quality Insulating Material Ensures Electrical Safety Designed to Maintain System Integrity and Minimize Wear 100% Genuine OEM from CUMMINS for...$501.70$458.31 -
CUMMINS 4385432 LINER SEAL RING Original OEM part
CUMMINS
$427.70$390.71Cummins 4385432 - LINER SEAL RING MINS4385432 Find the original 4385432 - LINER SEAL RING by Cummins at our store, where quality meets affordability. Crafted with precision to ensure top...$427.70$390.71 -
CUMMINS 4384816 TEMPERATURE SENSOR Original OEM part
CUMMINS
$529.25$483.47Cummins 4384816 - TEMPERATURE SENSOR MINS4384816 Upgrade your outdoor equipment with the authentic 4384816 - TEMPERATURE SENSOR by Cummins. Our store prides itself on offering genuine replacement...$529.25$483.47 -
CUMMINS 4384568 TEMPERATURE SENSOR Original OEM part
CUMMINS
$985.58$900.33Cummins 4384568 - TEMPERATURE SENSOR MINS4384568 When it comes to ensuring the optimal performance of your outdoor equipment, authenticity and precision are paramount. Our store is the ideal...$985.58$900.33 -
CUMMINS 4383930 COOLANT LEVEL SWITCH Original OEM part
CUMMINS
$623.71$569.75Engineered for Precision and Durability: Experience seamless coolant monitoring to safeguard your engine’s vital components. Critical Safety and Efficiency: Maintains optimal coolant levels to...$623.71$569.75 -
CUMMINS 4382692 HEAT SHIELD Original OEM part
CUMMINS
$581.74$531.42Precision engineered for uncompromising heat protection Robust construction ensuring long-lasting thermal shielding Certified genuine Cummins OEM component for guaranteed compatibility CUMMINS...$581.74$531.42 -
CUMMINS 4382665 FRACTURE RESISTANT NUT Original OEM part
CUMMINS
$258.10$235.78Engineered for endurance under demanding power conditions Exceptional fracture resistance to maintain system integrity Guaranteed OEM authenticity for peak generator performance CUMMINS 4382665...$258.10$235.78 -
CUMMINS 4382664 FRACTURE RESISTANT STUD Original OEM part
CUMMINS
$552.12$504.36Engineered for unmatched strength and reliability in demanding applications Designed to resist fracture under high stress and thermal cycles for enhanced engine integrity Manufactured as a genuine...$552.12$504.36 -
CUMMINS 4382551 LUBRICATING OIL PUMP Original OEM part
CUMMINS
$13,709.00$12,523.18Precision engineered for uncompromised engine protection Ensures consistent oil flow for superior lubrication Durable construction for extended service intervals Manufactured as an authentic OEM...$13,709.00$12,523.18 -
CUMMINS 4381419 HAND HOLE COVER Original OEM part
CUMMINS
$3,250.07$2,968.94Cummins 4381419 - HAND HOLE COVER MINS4381419 Discover the genuine 4381419 - HAND HOLE COVER by Cummins, available at our store under the SKU MINS4381419. With our commitment to offering authentic...$3,250.07$2,968.94 -
CUMMINS 4381407 WATER TRANSFER TUBE Original OEM part
CUMMINS
$646.29$590.39Cummins 4381407 - WATER TRANSFER TUBE MINS4381407 Find the authentic 4381407 - WATER TRANSFER TUBE by Cummins at our store, the ultimate destination for genuine replacement parts. Ensure optimal...$646.29$590.39 -
CUMMINS 4380806 SOCKET HEAD CAPSCREW Original OEM part
CUMMINS
$7.84$7.16Precision engineered for performance and durability Robust construction delivering consistent torque retention 100% Genuine OEM Cummins component for guaranteed compatibility CUMMINS 4380806 SOCKET...$7.84$7.16 -
CUMMINS 4380757 DAMPER GUARD Original OEM part
CUMMINS
$1,218.86$1,113.43Engineered Protection, Exceptional Performance Robust design for impact and vibration resistance Precision fit for seamless integration with Cummins engines Certified OEM component from Cummins...$1,218.86$1,113.43 -
CUMMINS 4378415 AIR COMPRESSOR SUPPORT Original OEM part
CUMMINS
$1,641.92$1,499.89Cummins 4378415 - AIR COMPRESSOR SUPPORT MINS4378415 Find peace of mind knowing you're purchasing a genuine Cummins 4378415 - AIR COMPRESSOR SUPPORT through our online store. We offer this...$1,641.92$1,499.89 -
CUMMINS 4378310 V RIBBED BELT Original OEM part
CUMMINS
$162.20$148.17Cummins 4378310 - V RIBBED BELT - - NO LONGER AVAILABLE MINS4378310 Experience the ultimate convenience of finding original 4378310 - V RIBBED BELT - - NO LONGER AVAILABLE by Cummins at our online...$162.20$148.17 -
CUMMINS 4378075 ELECTRONIC CONTROL MODULE Original OEM part
CUMMINS
$3,051.56$2,787.60Engineered Precision Meets Enduring Power Advanced processor technology for flawless engine management Designed to maintain peak emissions control and fuel efficiency 100% Genuine OEM Cummins...$3,051.56$2,787.60 -
CUMMINS 4377470 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$11,856.70$10,831.10Precision engineered for uncompromising power quality and system integrity Ensures optimal emissions reduction and sustained engine health Designed to seamlessly integrate with Cummins engine...$11,856.70$10,831.10 -
CUMMINS 4377452 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$11,856.70$10,831.10Precision engineered for uncompromising performance Advanced emissions control for cleaner, safer operation Durable construction ensures long-lasting service life 100% genuine Cummins OEM component...$11,856.70$10,831.10 -
CUMMINS 4377381 HOSE COVER Original OEM part
CUMMINS
$831.77$759.82Precision-engineered protection for your engine’s vital systems Durable material designed to withstand extreme temperatures and wear OEM quality guarantees seamless compatibility and dependable...$831.77$759.82 -
CUMMINS 4377377 HOSE COVER Original OEM part
CUMMINS
$1,394.00$1,273.42Engineered to protect, designed to endure: experience the trusted strength of Cummins engineering. Precision fit guarantees optimal hose protection against heat, abrasion, and environmental wear...$1,394.00$1,273.42 -
CUMMINS 4377318 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$11,856.70$10,831.10Elevate your engine’s emission control system with precision-engineered Cummins technology Designed to improve exhaust treatment efficiency for cleaner, longer-lasting operation Durable construction...$11,856.70$10,831.10 -
CUMMINS 4377314 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$11,856.70$10,831.10Precision engineered for peak performance and trusted durability Advanced emissions reduction enhances compliance and environmental responsibility Robust construction safeguards engine health under...$11,856.70$10,831.10 -
CUMMINS 4376882 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$7,009.82$6,403.47Precision-engineered for unmatched emissions control Enhances engine efficiency and durability under demanding conditions 100% genuine Cummins OEM component ensuring perfect compatibility CUMMINS...$7,009.82$6,403.47 -
CUMMINS 4376585 AFTERTREATMENT DEVICE Original OEM part
CUMMINS
$11,856.70$10,831.10Power precision engineered: Optimize your engine’s emissions control and longevity with exact OEM specifications. Endurance for rigorous demands: Designed to withstand harsh environments and...$11,856.70$10,831.10 -
CUMMINS 4376555 SERVICE KIT Original OEM part
CUMMINS
$2,665.68$2,435.10Cummins 4376555 - SERVICE KIT MINS4376555 Find top-quality 4376555 - SERVICE KIT by Cummins at the best price only at our store. With a focus on authenticity and performance, our replacement parts...$2,665.68$2,435.10 -
CUMMINS 4376554 SERVICE KIT Original OEM part
CUMMINS
$2,778.15$2,537.84Cummins 4376554 - SERVICE KIT MINS4376554 Upgrade your lawn mower with the 4376554 - SERVICE KIT from Cummins, the ultimate solution for optimal performance. Our store offers this original product...$2,778.15$2,537.84 -
CUMMINS 4376529 SINGLE HEAD GASKET KIT Original OEM part
CUMMINS
$2,405.20$2,197.16Cummins 4376529 - SINGLE HEAD GASKET KIT MINS4376529 Browse no further for the authentic "4376529 - SINGLE HEAD GASKET KIT" by Cummins, available at our store under the SKU "MINS4376529". Engineered...$2,405.20$2,197.16 -
CUMMINS 4376459 TUBE KIT Original OEM part
CUMMINS
$3,723.82$3,401.71Cummins 4376459 - TUBE KIT MINS4376459 Discover top-tier quality with the Cummins 4376459 - TUBE KIT (SKU: MINS4376459). Crafted to precision, this original replacement part ensures optimal...$3,723.82$3,401.71 -
CUMMINS 4376406 LINER KIT Original OEM part
CUMMINS
$555.86$507.78Cummins 4376406 - LINER KIT MINS4376406 When it comes to maintaining your outdoor equipment, choosing original replacement parts is crucial for optimal performance. The Cummins 4376406 - LINER KIT,...$555.86$507.78