Is FRAM as good as OEM?

For everyday driving, FRAM is a solid, budget-friendly option that performs well enough for typical service intervals; OEM filters generally offer the highest assurance of fit, filtration, and warranty compatibility. The right choice depends on your vehicle, driving habits, and warranty considerations.

The question of FRAM versus OEM is nuanced. It depends on the exact engine, the specific FRAM model being compared, the OEM brand you have in mind, and how you use the vehicle. This article explains how filters are evaluated, how FRAM typically compares to OEM in practice, and practical steps you can take to choose the right filter for your car.

How filters are evaluated

Oil and other automotive filters are judged by several criteria that affect performance and reliability. Understanding these factors helps you compare FRAM against OEM options more effectively.

Here are the primary factors to consider when evaluating any engine oil filter:

• Filtration efficiency and micron rating (how small particles the media can capture)


• Filter capacity and dirt-holding ability (how much contamination it can hold before performance degrades)


• Media type and construction (cellulose vs synthetic media, end caps, and overall robustness)


• Bypass valve design and reliability (ensures oil flow if the filter becomes clogged)


• Anti-drain-back valve performance (prevents oil from draining back into the engine after shutdown)


• Fitment, installation ease, and correct torque specifications


• Warranty compatibility and conformity to OEM specs (API/ACEA and the carmaker’s requirements)

In practice, this means FRAM can be a strong value option for many vehicles, while OEM filters often edge ahead in fit precision and official validation for warranty support.

FRAM vs OEM: what testing and experience show

Independent assessments and consumer experiences over time show a mixed picture. OEM filters frequently demonstrate high filtration efficiency, reliable media integrity, and very predictable performance in standardized testing. FRAM and other major aftermarket brands deliver solid, dependable performance for most daily driving scenarios and tend to be more affordable. The exact outcome depends on the specific filter model and engine, so verifying part numbers and compatibility with your vehicle is essential.

FRAM product categories at a glance

FRAM markets several lines aimed at different driving needs, including standard-value filters and higher-performance options. When selecting, consult your owner's manual for the required specifications and verify the part number against FRAM’s catalog to ensure the filter meets or exceeds your vehicle’s requirements.

Practical guidance by use case

Typical commuter vehicles and short trips

For most daily drivers with moderate miles and standard service intervals, FRAM Extra Guard (or an OEM-equivalent from a trusted brand) provides reliable protection at a lower cost. If your vehicle is under warranty or you prefer maximum assurance, using an OEM filter or a premium aftermarket option with proven specs is reasonable.

Older engines and high-mileage scenarios

High-mileage engines may benefit from filters marketed for durability and leak mitigation (often labeled as high-mileage). FRAM’s high-mileage options can be a good fit, but ensure the part matches your engine’s specifications and that you are following the recommended maintenance schedule.

High-performance or heavy-duty use

In demanding conditions—hot climates, frequent towing, or sustained high engine loads—OEM filters or premium aftermarket filters with robust media and higher dirt-holding capacity are commonly preferred to maximize protection and reliability.

Warranty and compatibility considerations

In most regions, warranty coverage is not automatically voided by using an aftermarket filter, provided the filter meets the vehicle’s specifications and is installed correctly. Keep the purchase records and part numbers in case you need to reference compatibility during any warranty claim. Always check your vehicle’s owner manual and the filter’s compatibility data before purchase.

Summary

FRAM offers dependable, budget-friendly options that suit many everyday driving scenarios, delivering solid protection and value. OEM filters typically provide the strongest alignment with factory specs, precise fit, and clearer warranty compatibility for some carmakers and service plans. The best choice hinges on your specific vehicle, driving habits, and how you weigh cost against warranty and precision. Always verify part numbers, consult your manual, and choose a filter that meets the required standards for your engine.

How do Fram filters compare to OEM filters?

While it's hard to tell a lot by looking, the Fram filter medium is clearly denser and "flatter" than the others. Additionally, the MicroGard/Standard Fram filter material seems slightly denser than the Wix and OEM filter mediums, with less void space.

Is Fram a quality oil filter?

Yes, many consider FRAM oil filters to be good, with premium lines like the Ultra Synthetic and Synthetic Endurance offering high filtration efficiency and durability for long-lasting engine protection. However, some users have reported negative experiences, particularly with older or lower-end models, such as gasket failure, so your choice may depend on the specific filter line and your vehicle's needs. 
Factors that make FRAM filters good

• High filtration efficiency: Premium filters often feature synthetic media that provides high filtration efficiency, with some claiming up to 99%. 
• Durable construction: The company uses durable components, such as heavier steel construction in premium filters, to handle high-pressure engines. 
• Easy installation: Many FRAM filters include features like a 360° textured grip for easier installation and removal. 
• Long-life protection: Premium filters are designed for extended protection, with some offering up to 20,000 miles of service life. 

Potential drawbacks

• Mixed reviews: While the premium filters are generally well-regarded, some older reviews or discussions about lower-end models mention issues like gasket failure or oil pressure drops, though this may not reflect current product quality. 
• Varying quality: As with any brand, quality can vary between different product lines. It's important to choose a filter appropriate for your vehicle's needs.

Recommendation

• For a reliable option: Consider a premium FRAM filter, such as the Ultra Synthetic or Synthetic Endurance lines, to get the best performance and protection. 
• For a basic application: The lower-end "Extra Guard" is a popular and frequently recommended option, but be aware of past issues mentioned in user reviews. 

Are aftermarket air filters as good as OEM?

OEM air filters are generally as good as or better than most aftermarket options because they are precision-engineered for a perfect fit and use high-quality materials to ensure optimal filtration and longevity. Aftermarket filters can vary greatly, with some providing higher airflow at the cost of reduced particle trapping, while cheaper ones may be less durable and can even allow contaminants into the engine if they don't seal properly. 
This video explains the difference between OEM and aftermarket air filters and shows a comparison between them: 57sCruisin' With GregYouTube · Mar 10, 2024
OEM (Original Equipment Manufacturer) filters

• Perfect fit: Designed to the exact specifications of the vehicle, ensuring a tight seal and no gaps for dirty air to bypass the filter. 
• High-quality materials: Often made with higher-grade materials that are durable and efficient at trapping contaminants without overly restricting airflow. 
• Guaranteed performance: Rigorously tested to meet the engine's specific performance and filtration requirements. 

Aftermarket filters

• Variable quality: The quality depends entirely on the brand and price point, with results being "hit or miss". 
• Potential for poor fit: Some aftermarket filters may not be manufactured to the same precise standards, leading to gaps that allow unfiltered air and particles into the engine. 
• Trade-off between filtration and flow: Some performance aftermarket filters prioritize higher airflow, which can compromise the filter's ability to trap fine particles. 
• Durability issues: Cheaper filters may use less durable materials that don't last as long as OEM filters, requiring more frequent replacement. 

You can watch this video to see a test comparing OEM and aftermarket air filters and their performance: 1mBrand RanksYouTube · Apr 6, 2025
Which one should you choose?

• For everyday driving: An OEM filter is the safest choice, providing reliable filtration and the correct fit for long-term engine health. 
• For performance driving or racing: A high-end aftermarket filter may be suitable if maximum airflow is the priority and you are willing to perform more frequent maintenance, such as cleaning and re-oiling. 
• Consider cost: Aftermarket filters can be cheaper initially, but a poor-quality filter that leads to engine damage can be more expensive in the long run. 

Who is Fram oil made by?

Amalie Oil Company manufactures Fram motor oil, which is sold through Advance Professional and Carquest. First Brands Group is the parent company that owns the Fram brand, and they have been working to improve quality and secure OEM contracts.
 

• Manufacturer: Amalie Oil Company manufactures Fram motor oil. 
• Parent Company: First Brands Group owns the Fram brand, which also includes other brands like Raybestos and Trico. 
• Distribution: Fram motor oil is sold exclusively at Advance Professional and Carquest stores.