Diesel Engine Replacement Parts
Built to handle power, torque, and heavy workloads.
Industrial & Commercial Focus
Parts for demanding diesel applications.
Reliable Performance
Keep critical equipment running longer.
Cummins Parts Online
Power Engines is an online store focused on Cummins parts, Cummins diesel parts and replacement components for engine maintenance, repair and service. Backed by more than 50 years of experience in parts, service and equipment support, we help customers across the United States find the right engine parts using model information, serial numbers, part numbers and product details.
Cummins Diesel Engine Parts for Service and Repair
Our catalog supports customers maintaining Cummins-powered equipment, diesel engines and related power applications. Depending on current inventory, available products may include filters, belts, gaskets, seals, fuel system components, cooling parts, sensors, electrical items, hardware and other Cummins diesel engine parts used for routine service, repair and replacement work.
Find Cummins Products by Model, Part Number or Engine Details
Choosing the correct replacement starts with accurate engine information. Customers looking for Cummins products or Cummins engine parts should review the engine model, serial number, original part number, product details, or parts diagram before ordering. For help identifying compatible Cummins parts, visit the Help Center or contact customer support.
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Bestselling
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ONAN A050X362 OIL FILTER ONAN Genuine OEM Part
ONAN
$14.18$12.96Genuine ONAN OEM oil filter designed specifically for Cummins and Onan power systems. Optimizes engine oil cleanliness to extend engine longevity and maintain peak performance. Helps reduce wear and... -
ONAN A043G324 KEY ONAN Genuine OEM Part
ONAN
$7.98$7.29Certified Genuine OEM ONAN component Ensures secure activation and operation of your generator system Facilitates reliable engine start and safety lockout functions Trusted precision for critical... -
ONAN A051A078 AIR FILTER ONAN Genuine OEM Part
ONAN
$35.50$32.43Verified Genuine ONAN OEM Air Filter designed specifically for Onan generator systems Effectively captures airborne contaminants to safeguard engine performance Optimizes airflow to improve fuel... -
CUMMINS 4899791 VIBRATION ISOLATOR CUMMINS Genuine OEM Part
CUMMINS
$22.15$20.23Genuine CUMMINS OEM replacement part crafted for exact fit and reliable performance. Effectively absorbs and reduces engine vibrations to protect sensitive components. Improves operational... -
ONAN 1232051 DIPSTICK ASSEMBLY ONAN Genuine OEM Part
ONAN
$35.85$32.75Certified Genuine ONAN part engineered for seamless compatibility and durability Provides accurate measurement of engine oil levels to maintain optimal engine operation Essential for preventing... -
ONAN 1103861 GASKET ONAN Genuine OEM Part
ONAN
$13.83$12.63Genuine ONAN OEM part designed to meet strict manufacturer specifications Seals critical engine components to prevent leaks and maintain optimal performance Enhances engine durability and supports... -
ONAN 1930318 WATER TEMPERATURE SENDER ONAN Genuine OEM Part
ONAN
$80.96$73.96Genuine ONAN OEM part, crafted for original compatibility and durability. Accurately monitors engine water temperature to prevent overheating. Supports optimal engine performance and long-term... -
ONAN A054H068 SERVICE KIT ONAN Genuine OEM Part
ONAN
$38.77$35.42Certified genuine ONAN replacement part ensuring full compatibility and engineering precision Designed to restore and maintain optimal generator function, supporting engine health and fuel...
What Our Client Says
Scott K
Item was great. It was the time it took to ship it to me.
Richard R
So grateful to get what I needed to get my truck fixed.
James H
Fast service, factory parts! Will do business again...
Rick H
Very smooth, product was as described. Thank you.