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.
Why Choose the Genuine Generac 0J74890248 Oil Filter?
Using the correct replacement part is one of the simplest ways to look after your generator. The Generac 0J74890248 Oil Filter is a genuine Generac OEM replacement part with application-specific fit and filtration. It is a new oil filter designed for select liquid-cooled diesel engines, so you can match it to the part number listed for your equipment.
This genuine Generac OEM oil filter is a practical choice for owners who want to keep their Generac Protector diesel generator oil filter service simple and consistent with the manufacturer’s part number.
How a Diesel Oil Filter Supports Your Generator
As oil circulates through the engine, it can carry small particles such as dirt and metal debris. The filter element captures these contaminants as the oil moves through the lubrication system. This supports proper lubrication, helps maintain oil flow, and helps protect critical engine components. Regular filter replacement is an important part of dependable diesel generator maintenance.
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
Compatible Applications
The Generac 0J74890248 Oil Filter is intended for the following 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
If you are searching for a 2.4L 3.4L diesel oil filter for a Generac generator, check the part number against your equipment before ordering.
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
Package Includes
- 1 genuine Generac 0J74890248 oil filter
Maintenance and Replacement Interval
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.
Installation Guidelines
Before installing the Generac 0J74890248 Oil Filter, follow these basic safety and service steps:
- 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.
- Check for leaks after servicing.
- Do not overtighten the filter.
Compatibility Information
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. Please confirm these details before you order.
Frequently Asked Questions
What does the Generac 0J74890248 Oil Filter fit?
The Generac 0J74890248 Oil Filter is designed for select liquid-cooled Protector diesel generators with 2.4L and 3.4L engines. It is also intended for additional Generac equipment that specifies oil filter 0J74890248. Confirm your generator model, engine, serial number, and production revision before ordering.
How often should I replace this oil filter?
Maintenance may be recommended every 200 operating hours or every two years, depending on the generator model and operating conditions. Always follow the service interval in your owner’s manual. More frequent servicing may be required after prolonged operation or in severe environments.
Can this filter be used on generators sold under other brand names?
It may fit compatible Generac-manufactured generator systems sold under other brand names. Compatibility depends on the underlying generator model, engine, serial number, and production revision.




