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 A030N988 BUSBAR Original ONAN/CUMMINS OEM part
ONAN
$257.19$234.95Precision-crafted for dependable power connections, the ONAN A030N988 BUSBAR enhances your generator’s electrical integrity. Robust construction ensures optimal current flow, reducing resistance and...$257.19$234.95 -
ONAN 4057849 ALUMINIUM CENTER ENCLOSURE POST Original ONAN/CUMMINS OEM part
ONAN
$1,311.22$1,197.80Cummins ALUMINIUM CENTER ENCLOSURE POST 405-7849 Discover the original Cummins ALUMINIUM CENTER ENCLOSURE POST with SKU 405-7849, designed to provide durability and performance for your outdoor...$1,311.22$1,197.80 -
ONAN 1863065 STANDARD BEARING SET Original ONAN/CUMMINS OEM part
ONAN
$63.06$57.61Cummins STANDARD BEARING SET 186-3065 Find your original STANDARD BEARING SET with SKU 186-3065 from the prestigious Cummins brand at our store. Rest assured you are getting top-notch quality and...$63.06$57.61 -
ONAN 315169007 CURRENT TRANSFORMER Original ONAN/CUMMINS OEM part
ONAN
$364.90$333.34Experience unmatched precision with the heart of your generator’s electrical system. Engineered for superior current sensing accuracy to optimize performance. Robust design ensures long-lasting...$364.90$333.34 -
ONAN 405958803 POST ENCLOSURE (LH) Original OEM part
ONAN
$632.40$577.70Cummins 405-9588-03 - POST ENCLOSURE (LH) - NO LONGER AVAILABLE MINS405-9588-03 Whether you're in need of a hard-to-find replacement part like the 405-9588-03 - POST ENCLOSURE (LH) by Cummins, look...$632.40$577.70 -
ONAN 338446302 AC HARNESS Original ONAN/CUMMINS OEM part
ONAN
$388.75$355.12Precision engineered for dependable power delivery Designed to maintain optimal electrical connectivity under demanding conditions Constructed with high-quality materials for extended durability and...$388.75$355.12 -
ONAN 319646802 DOOR ASM (TYPE 1) Original ONAN/CUMMINS OEM part
ONAN
$662.97$605.63Cummins DOOR ASM (TYPE 1) NO LONGER AVAILABLE 319-6468-02 Find the original "DOOR ASM (TYPE 1) NO LONGER AVAILABLE" from Cummins with SKU 319-6468-02 only at our store. Get the best price for this...$662.97$605.63 -
ONAN A035D677 SUPPORT BRACKET Original ONAN/CUMMINS OEM part
ONAN
$291.93$266.68Cummins SUPPORT BRACKET A035D677 When it comes to finding original SUPPORT BRACKET with top-notch quality, look no further than the Cummins A035D677. Our store is the ultimate destination for all...$291.93$266.68 -
ONAN 5120292 R115250 PULLEY Original ONAN/CUMMINS OEM part
ONAN
$402.53$367.71Cummins R115250 PULLEY 512-0292 Discover the authentic "R115250 PULLEY" by Cummins, SKU: "512-0292", essential for your outdoor equipment. Rest assured that you are getting a genuine product that...$402.53$367.71 -
ONAN 2490841 STARTER PRE LUBE OIL PUMP Original ONAN/CUMMINS OEM part
ONAN
$829.36$757.62Cummins STARTER PRE LUBE OIL PUMP 249-0841 Find the genuine Cummins STARTER PRE LUBE OIL PUMP, SKU 249-0841, at our store. With our commitment to providing original replacement parts, you can trust...$829.36$757.62 -
ONAN 306432602 CONTACTOR Original ONAN/CUMMINS OEM part
ONAN
$153.19$139.94Precision engineered to maintain the legacy of dependable power. Robust electrical switching ensures seamless generator start-stop cycles. Durable design delivers consistent performance under...$153.19$139.94 -
ONAN 3005303S0 PLATE ASM Original ONAN/CUMMINS OEM part
ONAN
$667.49$609.76Cummins PLATE ASM NO LONGER AVAILABLE 300-5303-S0 Discover the elusive "PLATE ASM NO LONGER AVAILABLE" by Cummins with SKU 300-5303-S0 at our store, your ultimate destination for original...$667.49$609.76 -
ONAN A032X430 INSUALTION SOUND LEFT FRONT Original ONAN/CUMMINS OEM part
ONAN
$139.82$127.72Cummins INSUALTION SOUND LEFT FRONT A032X430 Upgrade your lawn mower's performance with the genuine Cummins INSUALTION SOUND LEFT FRONT (SKU: A032X430). Trust in our store for top-quality original...$139.82$127.72 -
ONAN 306362204 REPLACEMENT SWITCH ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$658.90$601.91Cummins REPLACEMENT SWITCH ASSEMBLY 306-3622-04 Explore the top-tier quality of the Cummins REPLACEMENT SWITCH ASSEMBLY (SKU: 306-3622-04) in our store, where authenticity meets affordability...$658.90$601.91 -
ONAN 541165002 BELT GUARD KIT Original ONAN/CUMMINS OEM part
ONAN
$953.50$871.03Engineered protection, trusted performance: safeguard your generator’s core Heavy-duty belt guard designed to extend belt life and prevent damage Easy installation ensures minimal downtime and...$953.50$871.03 -
ONAN A032X352 LEFT SOUND INSULATION Original ONAN/CUMMINS OEM part
ONAN
$67.86$61.99Cummins LEFT SOUND INSULATION A032X352 Find genuine LEFT SOUND INSULATION with SKU A032X352 from Cummins at our store. Our collection guarantees authenticity, precise fit, and exceptional...$67.86$61.99 -
ONAN 3090497 HATKO SWITCH ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$304.32$277.99Precision-engineered for uncompromising performance and reliability Essential component for smooth operation and system safety Designed for seamless compatibility with all Onan generator units 100%...$304.32$277.99 -
ONAN 1140447 CONNECTING ROD AY Original ONAN/CUMMINS OEM part
ONAN
$127.42$116.40Engineered for endurance and precision, the ONAN 114-0447 CONNECTING ROD AY delivers robust performance under demanding conditions. Crafted from premium materials to ensure optimal strength and...$127.42$116.40 -
ONAN 1481001 NATURAL GAS CARBURETOR Original ONAN/CUMMINS OEM part
ONAN
$394.40$360.29Cummins NATURAL GAS CARBURETOR 148-1001 When it comes to reliable replacement parts for outdoor equipment like the NATURAL GAS CARBURETOR, look no further than our store. The Cummins branded product...$394.40$360.29 -
ONAN 2495070 GENERATOR CSA Original ONAN/CUMMINS OEM part
ONAN
$621.80$568.02Reliability engineered by ONAN for uncompromising power integrity Precision-fit design ensuring optimal generator performance and longevity Durable construction to withstand demanding operational...$621.80$568.02 -
ONAN 405924702 RIGHT HAND ENCLOSURE PANEL Original ONAN/CUMMINS OEM part
ONAN
$369.10$337.18Cummins RIGHT HAND ENCLOSURE PANEL 405-9247-02 Discover the perfect replacement for your outdoor equipment with the original RIGHT HAND ENCLOSURE PANEL by Cummins (SKU: 405-9247-02). Our store...$369.10$337.18 -
ONAN 404016602 ENCLOSURE GRILL Original ONAN/CUMMINS OEM part
ONAN
$489.12$446.81Precision-engineered protection for uncompromised power. Robust grille design enhances ventilation and safeguards your generator. Durable, corrosion-resistant construction guarantees dependable...$489.12$446.81 -
ONAN A035D679 SUPPORT BRACKET Original ONAN/CUMMINS OEM part
ONAN
$278.48$254.39Cummins SUPPORT BRACKET A035D679 Discover the genuine Cummins SUPPORT BRACKET, SKU A035D679, at our online store. Engineered for durability and precision, this support bracket ensures optimal...$278.48$254.39 -
ONAN 405755402 PANEL DUCT (LH) Original ONAN/CUMMINS OEM part
ONAN
$597.92$546.20Cummins PANEL DUCT (LH) NO LONGER AVAILABLE 405-7554-02 Here at our store, we are dedicated to providing quality original replacement parts like the PANEL DUCT (LH) NO LONGER AVAILABLE by Cummins...$597.92$546.20 -
ONAN 3063113 LINEAR ACTUATOR Original ONAN/CUMMINS OEM part
ONAN
$3,097.33$2,829.41Cummins LINEAR ACTUATOR 306-3113 Find genuine Cummins LINEAR ACTUATOR (SKU: 306-3113) at our store, crafted to perfection for your outdoor equipment needs. With fast shipping and unbeatable prices,...$3,097.33$2,829.41 -
ONAN 3072779 UNDER FREQUENCY RELAY Original ONAN/CUMMINS OEM part
ONAN
$840.84$768.11Cummins UNDER FREQUENCY RELAY 307-2779 Ensure your outdoor equipment operates smoothly with the Cummins UNDER FREQUENCY RELAY (SKU: 307-2779). This authentic replacement part guarantees optimal...$840.84$768.11 -
ONAN 1502839 GOVERNOR SHAFT Original ONAN/CUMMINS OEM part
ONAN
$142.29$129.99Precision engineered for dependable power delivery and flawless engine responsiveness. Critical component ensuring smooth governor operation for consistent speed regulation. Durability crafted by...$142.29$129.99 -
ONAN 3373754 NEUTRAL BUSBAR Original ONAN/CUMMINS OEM part
ONAN
$305.55$279.12Cummins NEUTRAL BUSBAR 337-3754 Discover the authentic Cummins NEUTRAL BUSBAR (SKU: 337-3754) at our store, the ultimate destination for genuine replacement parts. Ensure optimal performance for...$305.55$279.12 -
ONAN 2340185 STATIC EXCITER COVER Original ONAN/CUMMINS OEM part
ONAN
$814.96$744.47Cummins STATIC EXCITER COVER 234-0185 Find the genuine Cummins STATIC EXCITER COVER with SKU 234-0185 at our online store. Crafted with precision to ensure optimal performance and durability for...$814.96$744.47 -
ONAN 1460708 CARBURETOR Original ONAN/CUMMINS OEM part
ONAN
$1,137.12$1,038.76Precision-engineered for dependable power delivery whenever you need it. Ensures consistent fuel metering for optimal engine performance and reduced emissions. Durable construction tailored for...$1,137.12$1,038.76 -
ONAN 1003565 REPL ENGINE Original ONAN/CUMMINS OEM part
ONAN
$850.66$777.08Cummins REPL ENGINE 100-3565 When it comes to finding top-notch replacement parts for your outdoor equipment, our store is the ultimate destination. The REPL ENGINE with SKU 100-3565 from the...$850.66$777.08 -
ONAN 1470982 FUEL MANIFOLD Original ONAN/CUMMINS OEM part
ONAN
$188.80$172.47Precision-engineered for superior fuel delivery and system efficiency Durable construction designed to withstand demanding operational conditions Authentic ONAN OEM quality, ensuring seamless...$188.80$172.47 -
ONAN 335024902 GROUND CABLE ASSEMBLY Original ONAN/CUMMINS OEM part
ONAN
$347.84$317.75Engineered for precision and durability, because every connection counts. Robust grounding ensures electrical safety and system stability under continuous loads. High-quality construction resists...$347.84$317.75 -
ONAN 3382964 NON AUTO HARNESS Original ONAN/CUMMINS OEM part
ONAN
$304.37$278.04Cummins NON AUTO HARNESS 338-2964 Find the original "NON AUTO HARNESS" with SKU 338-2964 by Cummins at our store. Our high-quality replacement part ensures top performance for your outdoor equipment...$304.37$278.04 -
ONAN J03080200 PARALLEL MODE ROTARY SWITCH Original ONAN/CUMMINS OEM part
ONAN
$279.75$255.55Cummins PARALLEL MODE ROTARY SWITCH J0308-0200 In need of the genuine PARALLEL MODE ROTARY SWITCH by Cummins, look no further than our online store. With the product SKU J0308-0200, we guarantee...$279.75$255.55 -
ONAN 300645603 BAR GRAPH KIT W/ KW P.F Original OEM part
ONAN
$592.80$541.53Cummins 300-6456-03 - BAR GRAPH KIT W/ KW P.F - NO LONGER AVAILABLE MINS300-6456-03 Discover the authentic Cummins 300-6456-03 - BAR GRAPH KIT W/ KW P.F. Unavailable elsewhere, this original...$592.80$541.53 -
ONAN A029U067 GUARD COVER Original ONAN/CUMMINS OEM part
ONAN
$304.92$278.54Cummins GUARD COVER A029U067 Discover the genuine "GUARD COVER" with SKU "A029U067" from the reputable brand Cummins at our store. Designed to meet the highest quality standards, this guard cover...$304.92$278.54 -
ONAN 986731 OUTPUT BOX LABEL Original ONAN/CUMMINS OEM part
ONAN
$1.05$0.96Cummins OUTPUT BOX LABEL 98-6731 Discover the genuine Cummins OUTPUT BOX LABEL (SKU: 98-6731) at our online store. With our focus on quality and authenticity, you can trust that you are purchasing a...$1.05$0.96 -
ONAN A028U119 WIRING HARNESS Original ONAN/CUMMINS OEM part
ONAN
$292.50$267.20Cummins WIRING HARNESS A028U119 Explore the top-quality "WIRING HARNESS" with SKU "A028U119" from the renowned brand Cummins. Our store stands out as the ultimate destination for genuine replacement...$292.50$267.20 -
ONAN 3021338 FREQUENCY METER Original ONAN/CUMMINS OEM part
ONAN
$492.03$449.47Precision in Motion: Experience accurate frequency monitoring tailored for your ONAN generator’s peak power delivery. Durability You Can Count On: Built to withstand demanding conditions, this...$492.03$449.47