Description
Protect your compatible liquid-cooled diesel generator engine with the genuine Generac 0J74890248 Oil Filter. Designed for select Protector diesel generators equipped with 2.4L and 3.4L engines, this OEM filter helps capture dirt, metal particles, and other contaminants circulating through the lubrication system.
Clean engine oil and effective filtration are essential for reducing wear and maintaining dependable diesel-engine operation. Replacing the oil filter according to the generator’s maintenance schedule helps protect internal components and maintain proper oil flow.
Package Includes:
• 1 genuine Generac 0J74890248 oil filter
Compatible Applications:
• Select Generac Protector diesel generators
• Select 2.4L liquid-cooled diesel engines
• Select 3.4L liquid-cooled diesel engines
• Additional Generac equipment that specifies oil filter 0J74890248
Product Features:
• Genuine Generac OEM replacement part
• Helps capture contaminants in the engine oil
• Supports proper lubrication and engine protection
• Designed for select liquid-cooled diesel engines
• Application-specific fit and filtration
• New replacement oil filter
Product Information:
• Brand: Generac
• Part number: 0J74890248
• Manufacturer description: Element, Oil Filter
• Product type: Diesel-engine oil filter
• Engine applications: Select 2.4L and 3.4L engines
• Generator series: Select Protector diesel models
• Cooling system: Liquid-cooled
• Fuel type: Diesel
• Quantity: 1 filter
This filter may also fit compatible Generac-manufactured generator systems sold under other brand names. Compatibility depends on the underlying generator model, engine, serial number, and production revision.
Maintenance may be recommended every 200 operating hours or every two years, depending on the generator model and operating conditions. Always follow the exact service interval in the generator owner’s manual. More frequent servicing may be required after prolonged operation or in severe environments.
Before installation, shut down the generator, allow the engine to cool, and follow all lockout procedures. Install the filter according to the owner’s manual, refill the engine with the specified diesel-engine oil, and check for leaks after servicing. Do not overtighten the filter.




