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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ONAN 50625 BIFILAR WINDING DSU 86 ONAN/CUMMINS Original OEM part
ONAN
$16,538.26$15,107.70Power your system with pure precision and OEM assurance. Optimized bifilar winding design enhances generator signal accuracy. Ensures consistent performance under demanding generator loads. Crafted...$16,538.26$15,107.70 -
ONAN 505216702 ADAPTERPIPE (M27X1BSPT ONAN/CUMMINS Original OEM part
ONAN
$338.90$309.59Cummins ADAPTER-PIPE (M27X1"BSPT /CUMMINS 505-2167-02 Discover the original ADAPTER-PIPE (M27X1"BSPT /CUMMINS) at our store, where we prioritize quality and authenticity. With SKU 505-2167-02, this...$338.90$309.59 -
ONAN 50478 RECTIFIER CARRIER ONAN/CUMMINS Original OEM part
ONAN
$17,298.91$15,802.55Cummins RECTIFIER CARRIER /CUMMINS 50478 Discover the exceptional quality of the RECTIFIER CARRIER from Cummins, SKU 50478, designed for reliable performance and durability. Our store is dedicated...$17,298.91$15,802.55 -
ONAN 504026402 VALVEHYDRAULIC (OIL M18) ONAN/CUMMINS Original OEM part
ONAN
$309.87$283.07Cummins VALVE-HYDRAULIC (OIL M18) /CUMMINS 504-0264-02 Discover the original VALVE-HYDRAULIC (OIL M18) from Cummins, featuring top-notch engineering for superior performance and reliability. Our...$309.87$283.07 -
ONAN 5030788 HOSERADIATOR ONAN/CUMMINS Original OEM part
ONAN
$123.84$113.13Cummins HOSE-RADIATOR /CUMMINS 503-0788 Discover the unmatched quality of the HOSE-RADIATOR /CUMMINS (SKU: 503-0788), designed for optimal performance in your equipment. Our store is committed to...$123.84$113.13 -
ONAN 5021476 ADAPTER HOSE ONAN/CUMMINS Original OEM part
ONAN
$140.63$128.46Engineered for precision, crafted for endurance Durable design that maintains optimal fuel and air flow Seamless compatibility with Onan generator systems 100% genuine OEM part from the trusted Onan...$140.63$128.46 -
ONAN 5021366 ADAPTERPIPE (W/SEALANT) ONAN/CUMMINS Original OEM part
ONAN
$7.64$6.98Cummins ADAPTER-PIPE (W/SEALANT) /CUMMINS 502-1366 The ADAPTER-PIPE (W/SEALANT) from Cummins, SKU 502-1366, is an essential component crafted to ensure reliable performance and durability. Our store...$7.64$6.98 -
CUMMINS 4941220 DIPSTICK CUMMINS/CUMMINS Original OEM part
CUMMINS
$22.35$20.42Precision and Reliability United: Every dipstick measures up to Cummins' strict engineering standards. Durable Construction: Crafted to withstand harsh operating conditions and provide consistent...$22.35$20.42 -
CUMMINS 4931868 BRACKET ALTERNATOR CUMMINS/CUMMINS Original OEM part
CUMMINS
$63.49$58.00Precision engineered for seamless integration and enduring strength Ensures optimal alternator alignment and vibration resistance Designed to maintain engine efficiency under demanding...$63.49$58.00 -
CUMMINS 4931781 ISOLATOR VIBRATION CUMMINS/CUMMINS Original OEM part
CUMMINS
$10.66$9.74Cummins ISOLATOR VIBRATION /CUMMINS 4931781 Explore our premium selection of the ISOLATOR VIBRATION /CUMMINS (SKU: 4931781), designed to meet the highest standards of performance and durability...$10.66$9.74 -
CUMMINS 4931174 ELBOW MALE ADAPTER CUMMINS/CUMMINS Original OEM part
CUMMINS
$33.18$30.31Precision-crafted connection for uncompromised power delivery Robust design ensuring long-lasting durability under demanding conditions OEM engineered for guaranteed compatibility and peak system...$33.18$30.31 -
CUMMINS 4913801 BRACKET MAGNETIC SWITCH CUMMINS/CUMMINS Original OEM part
CUMMINS
$58.98$53.88Power your system with precision-engineered reliability Robust magnetic switch bracket designed for superior durability Optimized for consistent engagement and long service life Authentic OEM...$58.98$53.88 -
ONAN 488041502 SAE 4 1BRG M/C ONAN/CUMMINS Original OEM part
ONAN
$348.23$318.11Cummins SAE 4 1BRG M/C /CUMMINS 488-0415-02 Discover the reliability of the SAE 4 1BRG M/C /CUMMINS, a top-tier product from Cummins, available in our store. We provide original replacement parts...$348.23$318.11 -
ONAN 451072 FR8 AIR FILTER KIT ONAN/CUMMINS Original OEM part
ONAN
$18,401.05$16,809.36Engineered for uncompromising reliability and precision fit Ensures cleaner airflow to maximize engine efficiency and reduce wear Elevates fuel economy by maintaining optimal air filtration 100%...$18,401.05$16,809.36 -
ONAN 45015147 FRAME 4 MX321 PWR SENSE H ONAN/CUMMINS Original OEM part
ONAN
$38.37$35.05Precision engineered to empower your ONAN systems with uncompromising reliability. Enhanced power sensing capability that ensures optimal generator output and stability. Robust design built for...$38.37$35.05 -
ONAN 45013130 BEARING RTD LABEL ONAN/CUMMINS Original OEM part
ONAN
$24.59$22.47Precision meets durability for unmatched generator performance Essential component ensuring accurate bearing temperature monitoring Durably crafted for high reliability under demanding...$24.59$22.47 -
CUMMINS 4384913 TUBE COMPRESSOR AIR INLET CUMMINS/CUMMINS Original OEM part
CUMMINS
$34.86$31.85Cummins TUBE COMPRESSOR AIR INLET /CUMMINS 4384913 Discover the exceptional quality of the TUBE COMPRESSOR AIR INLET from Cummins (SKU: 4384913) at our store, your reliable source for original...$34.86$31.85 -
CUMMINS 4376210 KIT HOSE CUMMINS/CUMMINS Original OEM part
CUMMINS
$568.52$519.34Cummins KIT HOSE /CUMMINS 4376210 Discover the quality and reliability of the KIT HOSE /CUMMINS, SKU 4376210, designed to keep your equipment performing at its best. Our store prides itself on...$568.52$519.34 -
CUMMINS 4368375 BRACKET ETR CNT MODULE CUMMINS/CUMMINS Original OEM part
CUMMINS
$1,758.93$1,606.78Precision-engineered for seamless integration—experience unmatched durability and reliability with every installation. Enhances control module stability to ensure consistent generator performance...$1,758.93$1,606.78 -
CUMMINS 4358029 COVER TERMINAL BLOCK CUMMINS/CUMMINS Original OEM part
CUMMINS
$22.10$20.19Engineered Precision for Superior Protection Durable design safeguards vital electrical connections in your generator system Ensures seamless compatibility and reliable operation with Cummins power...$22.10$20.19 -
CUMMINS 4350746 CAP DUST CUMMINS/CUMMINS Original OEM part
CUMMINS
$79.10$72.26Protect your engine components with uncompromising quality and precision. Dust-resistant design guarantees cleaner engine operation and enhanced longevity. Easy installation ensures maintenance...$79.10$72.26 -
CUMMINS 4327754 SHIELD HEAT CUMMINS/CUMMINS Original OEM part
CUMMINS
$1,256.22$1,147.55Cummins SHIELD HEAT /CUMMINS 4327754 Enhance your equipment's performance with the original SHIELD HEAT from Cummins, SKU 4327754. Our store is dedicated to providing high-quality replacement parts...$1,256.22$1,147.55 -
ONAN 420059902 WRENCH OIL FILTER ONAN/CUMMINS Original OEM part
ONAN
$71.29$65.13Cummins WRENCH OIL FILTER /CUMMINS 420-0599-02 Discover the original Wrench Oil Filter from Cummins, designed to ensure optimal performance and longevity for your equipment. Our store is committed...$71.29$65.13 -
ONAN 41010788 FRAME 4 TB SIDE PANEL GL ONAN/CUMMINS Original OEM part
ONAN
$101.26$92.50Built to Protect, Engineered to Last: Experience the unmatched quality of genuine ONAN parts. Robust Side Panel Construction: Provides essential protection and structural support to your generator...$101.26$92.50 -
CUMMINS 4087931 SCREW HEXAGON HEAD CAP CUMMINS/CUMMINS Original OEM part
CUMMINS
$55.54$50.73Cummins SCREW HEXAGON HEAD CAP /CUMMINS 4087931 Enhance your outdoor equipment with the SCREW HEXAGON HEAD CAP /CUMMINS, SKU 4087931, a reliable component from the trusted brand Cummins. Our store...$55.54$50.73 -
CUMMINS 4080685 SPACER MOUNTING CUMMINS/CUMMINS Original OEM part
CUMMINS
$8.78$8.02Cummins SPACER MOUNTING /CUMMINS 4080685 Discover the original SPACER MOUNTING from Cummins, SKU 4080685, designed to ensure optimal performance and durability in your equipment. Our store is your...$8.78$8.02 -
CUMMINS 4061435 BRACKET FILTER CUMMINS/CUMMINS Original OEM part
CUMMINS
$85.68$78.27Engineered to endure — your generator’s essential support anchor. Precision-crafted bracket filter for unmatched stability and protection. Enhances filtration efficiency, safeguarding engine...$85.68$78.27 -
ONAN 4059529 PANELROOF ONAN/CUMMINS Original OEM part
ONAN
$1,162.30$1,061.77Cummins PANEL-ROOF /CUMMINS 405-9529 Discover the original PANEL-ROOF /CUMMINS (SKU: 405-9529) available at our store, where quality and reliability meet exceptional value. Manufactured by Cummins,...$1,162.30$1,061.77 -
ONAN 405863302 DRIP EDGEENCLOSURE ONAN/CUMMINS Original OEM part
ONAN
$184.30$168.36Cummins DRIP EDGE-ENCLOSURE /CUMMINS 405-8633-02 Discover the top-quality DRIP EDGE-ENCLOSURE from Cummins, SKU 405-8633-02, ideal for maintaining optimal performance. Our store is dedicated to...$184.30$168.36 -
ONAN 405804303 PANEL ENCLOSURE ONAN/CUMMINS Original OEM part
ONAN
$26.00$23.76Cummins PANEL ENCLOSURE /CUMMINS 405-8043-03 Discover the superior quality of our original PANEL ENCLOSURE/CUMMINS, SKU 405-8043-03, designed for exceptional performance and reliability. Sourced...$26.00$23.76 -
ONAN 405755401 PANELDUCT (LH) ONAN/CUMMINS Original OEM part
ONAN
$272.32$248.76Cummins PANEL-DUCT (LH) /CUMMINS 405-7554-01 Discover the original PANEL-DUCT (LH) from Cummins, SKU 405-7554-01, designed for reliability and performance. Our store is your best source for...$272.32$248.76 -
ONAN 4057423 PANEL AIR BAFFLE ONAN/CUMMINS Original OEM part
ONAN
$150.39$137.39Cummins PANEL AIR BAFFLE /CUMMINS 405-7423 Discover the exceptional quality of the PANEL AIR BAFFLE from Cummins, SKU 405-7423, available at our store. Our commitment to selling only original...$150.39$137.39 -
ONAN 4055832 DOORHOUSING ONAN/CUMMINS Original OEM part
ONAN
$964.26$880.85Engineered Precision for Unmatched Protection Robust construction for enhanced durability and weather resistance Designed to maintain optimal airflow and noise reduction 100% Genuine OEM Cummins...$964.26$880.85 -
CUMMINS 4034318 KIT TURBOCHARGER REPAIR CUMMINS/CUMMINS Original OEM part
CUMMINS
$746.10$681.57Cummins KIT TURBOCHARGER REPAIR /CUMMINS 4034318 Discover the outstanding quality of the KIT TURBOCHARGER REPAIR from Cummins, a must-have for maintaining optimal performance. Our store is dedicated...$746.10$681.57 -
ONAN 4034222 SKID ASSY ONAN/CUMMINS Original OEM part
ONAN
$2,085.74$1,905.32Cummins SKID ASSY /CUMMINS 403-4222 Discover the SKID ASSY from Cummins, SKU 403-4222, designed for optimal performance and durability. Our store is your go-to source for original replacement parts,...$2,085.74$1,905.32 -
CUMMINS 4034222 KIT TURBOCHARGER REPAIR CUMMINS/CUMMINS Original OEM part
CUMMINS
$302.69$276.51Cummins KIT TURBOCHARGER REPAIR /CUMMINS 4034222 For those in need of the KIT TURBOCHARGER REPAIR from Cummins, our store is the ideal choice, offering original parts that guarantee optimal...$302.69$276.51 -
ONAN 402079803 ISOLATOR VIBRATION282/B ONAN/CUMMINS Original OEM part
ONAN
$305.44$279.02Cummins ISOLATOR - VIBRATION282/B /CUMMINS 402-0798-03 Discover the exceptional ISOLATOR - VIBRATION282/B /CUMMINS, SKU 402-0798-03, from the renowned brand Cummins. Our store prioritizes quality,...$305.44$279.02 -
ONAN 402079801 ISOLATOR VIBRATION282/B ONAN/CUMMINS Original OEM part
ONAN
$305.44$279.02Cummins ISOLATOR - VIBRATION282/B /CUMMINS 402-0798-01 Discover the superior quality of the ISOLATOR - VIBRATION282/B /CUMMINS, expertly designed to reduce vibration and enhance performance. Our...$305.44$279.02 -
ONAN 402077902 ISOLATORVIBRATION ONAN/CUMMINS Original OEM part
ONAN
$65.07$59.44Cummins ISOLATOR-VIBRATION /CUMMINS 402-0779-02 Discover the ISOLATOR-VIBRATION /CUMMINS, SKU 402-0779-02, designed to efficiently dampen vibrations while ensuring optimal performance. With our...$65.07$59.44 -
ONAN 401849 MCCB 800A 3P ONAN/CUMMINS Original OEM part
ONAN
$10,151.84$9,273.70Cummins MCCB 800A 3P /CUMMINS 401849 Discover unparalleled quality with the MCCB 800A 3P from Cummins, exclusively available in our store. This premium component ensures reliable performance and...$10,151.84$9,273.70