By Editorial Team · Reviewed for accuracy · Last updated May 2026
Mobil 1 M1-108A Oil Filter Review: Specs, Fitment, Pros and Cons
Your engine oil filter has one job: trap harmful contaminants while keeping oil moving through the engine. The Mobil 1 M1-108A Extended Performance Oil Filter targets drivers who want premium filtration, strong canister construction, and longer service protection when the part fits correctly.
This Mobil 1 M1-108A oil filter review explains the specs, fitment checks, filtration claims, installation considerations, pros, cons, and real-world value. You’ll also see who should buy it, who should skip it, and what to verify before you order.
Our Verdict
Rating: 8/10
Best For: Drivers who need a correct-fit Mobil 1 Extended Performance oil filter for synthetic or conventional oil changes.
Bottom Line: The Mobil 1 M1-108A gives you synthetic blend media, up to 99% filtration efficiency at 30 microns, and a heavy-duty canister rated for up to 9X normal oil system pressure. The main tradeoff is fitment risk, because this part only makes sense when it matches your exact vehicle, engine, and service interval.
How This Review Was Checked
We checked the Amazon product listing, the Mobil 1 product information, and current publicly available specifications for the M1-108A. We also removed price-specific claims because Amazon prices and buying options can change.
| Specification | Detail |
|---|---|
| Brand | Mobil 1 |
| Model | M1-108A Extended Performance Oil Filter |
| ASIN | B07118HQ3V |
| Product Type | Vehicle-specific extended performance replacement oil filter |
| Dimensions | Amazon lists 4 x 4 x 4 inches |
| Thread Size | Amazon lists 20X1.5 MM; M20 x 1.50 |
| Filter Media | Synthetic fiber blend media |
| Filtration Efficiency | Up to 99% at 30 microns |
| Pressure Resistance | Heavy-duty canister rated for up to 9X normal vehicle oil system operating pressure |
| Oil Compatibility | Conventional, high-mileage, synthetic blend, and full synthetic motor oils |
| Service Interval | Up to 1 year or 20,000 miles, depending on vehicle requirements and driving conditions |
| Gasket | Enhanced nitrile gasket |
| Anti-Drain Back Valve | Durable anti-drain back valve |
| Included Components | One Extended Performance Oil Filter |
What Is the Mobil 1 M1-108A?
The Mobil 1 M1-108A is a premium extended performance oil filter for select cars, SUVs, trucks, and vans. Mobil 1 positions this filter above basic economy filters because it uses synthetic blend media, stronger construction, and longer service protection.
The main selling point is the balance between filtration and oil flow. Mobil 1 states that the filter reaches up to 99% efficiency at 30 microns while reducing resistance to oil flow, which matters during cold starts, daily driving, and longer oil-change intervals.
Inside the box, you get one Extended Performance Oil Filter. Before installation, you should inspect the gasket, confirm the thread match, compare the old filter size, and verify fitment with your vehicle’s year, make, model, engine, and trim.
Key Takeaways
- Mobil 1 lists up to 99% filtration efficiency at 30 microns for this Extended Performance oil filter line.
- The M1-108A uses synthetic fiber blend media to help trap contaminants and keep engine oil cleaner.
- The heavy-duty canister can withstand up to 9X normal vehicle oil system operating pressure.
- Mobil 1 lists Extended Performance oil filters for up to 1 year or 20,000 miles, depending on conditions.
- This filter only makes sense when it fits your exact vehicle, engine, and service requirements.
Before You Buy
Before you order the Mobil 1 M1-108A, confirm the part against your exact vehicle. Oil filters can look similar, but thread size, gasket diameter, bypass settings, and canister height can make one filter correct and another filter wrong.
- Fitment: Use Amazon’s vehicle fitment tool and compare it with your owner’s manual.
- Thread and gasket: Check the old filter and confirm that the M1-108A matches the required sealing surface.
- Oil type: Mobil 1 says Extended Performance oil filters work with conventional, high-mileage, synthetic blend, and full synthetic motor oils.
- Service interval: Follow your vehicle owner’s manual first, especially for towing, short trips, dusty roads, or older engines.
- Return details: Review Amazon’s current return policy before ordering if you feel unsure about fitment.
Who Should Buy the Mobil 1 M1-108A?
Who It’s For
- DIY oil-change owners who already confirmed the M1-108A fits their exact vehicle and engine.
- Drivers who use synthetic or synthetic blend oil and want an extended performance filter from Mobil 1.
- Owners who want a premium filter with synthetic blend media, a nitrile gasket, and an anti-drain back valve.
Who Should Skip It
- You should skip it if your owner’s manual, dealership, or fitment tool does not list the M1-108A for your vehicle.
- You should choose another filter if you only need a standard short-interval filter for a basic maintenance schedule.
- You should avoid extended oil-change intervals if your driving includes frequent short trips, towing, severe heat, or high-mileage engine wear.
Design and Construction Details
The Mobil 1 M1-108A uses a compact, vehicle-specific oil filter design with a synthetic fiber blend media inside the canister. That media helps capture harmful particles while supporting steady oil flow through the engine.
The Mobil 1 M1-108A pairs strong construction with high-performance filtration, but you must confirm fitment before purchase.
Mobil 1 highlights a durable, heavy-duty canister that can withstand up to 9X normal vehicle oil system operating pressure. That strength matters because the filter housing must handle pressure changes during startup, acceleration, cold weather, and higher engine loads.
The Amazon listing gives the product dimensions as 4 x 4 x 4 inches and lists the thread size as 20X1.5 MM; M20 x 1.50. Since fitment databases can vary, you should always check the part against your vehicle lookup tool and owner’s manual before installation.
The enhanced nitrile gasket helps create a secure seal when you install the filter correctly. You should apply clean oil to the gasket, thread the filter by hand first, follow the correct tightening guidance, and check for leaks after startup.
Filtration Performance and Efficiency
The M1-108A uses synthetic blend media to trap contaminants that circulate through engine oil. Mobil 1 states that its Extended Performance oil filters offer up to 99% efficiency at 30 microns, which gives you a clear performance target instead of vague marketing language.
Oil filtration needs balance. A filter that traps particles well still needs to allow enough oil flow, and Mobil 1 says this design reduces resistance to oil flow while improving filter efficiency.
The durable anti-drain back valve also matters during startup. It helps limit dry-start conditions by keeping oil from draining out of the filter when your engine sits between drives.
For normal use, this combination fits drivers who want cleaner oil, steady flow, and a premium filter for a proper service interval. For severe service, your owner’s manual should still control the oil and filter change schedule.
Durability and Long-Term Reliability
Durability matters if you drive in hot weather, take short trips, tow, idle often, or use extended oil-change intervals. Mobil 1 builds the M1-108A with synthetic blend media, a heavy-duty canister, an enhanced nitrile gasket, and a durable anti-drain back valve.
Mobil 1 lists Extended Performance oil filters for up to 1 year or 20,000 miles, depending on driving conditions and OEM requirements. That claim does not replace your owner’s manual, because your engine, oil type, mileage, and driving habits can shorten the safe interval.
- Heavy-duty canister rated for up to 9X normal oil system operating pressure
- Synthetic fiber blend media for contaminant capture
- Enhanced nitrile gasket to help prevent leaks
- Durable anti-drain back valve to help protect against dry starts
- Compatibility with conventional, high-mileage, synthetic blend, and full synthetic oils
You should also inspect the filter area after installation. Look for leaks around the gasket, confirm that the old gasket did not stick to the engine, and dispose of the used filter and oil safely.
How the Mobil 1 M1-108A Performs in Real Use
For a DIY Oil Change
The M1-108A works best for DIY owners who already confirmed the part number through a fitment tool or owner’s manual. The single included filter, synthetic blend media, and M20 x 1.50 thread listing give you the key details to check before you crawl under the vehicle.
For Daily Driving
For daily driving, the filter’s up to 99% efficiency at 30 microns helps keep oil cleaner between service visits. The anti-drain back valve also adds value when your car sits overnight and you start the engine the next morning.
For Longer Service Intervals
The M1-108A fits buyers who want extended service protection, but the filter does not give every vehicle a safe 20,000-mile interval. You should shorten the interval for severe driving, older engines, heavy towing, dusty roads, or repeated short trips.
For Cold Starts
Cold starts place extra demand on oil flow because thicker oil moves more slowly until it warms. Mobil 1’s reduced oil-flow resistance claim and anti-drain back valve make the M1-108A more appealing for drivers who care about startup protection.
Pros and Cons
Pros
- Up to 99% filtration efficiency at 30 microns gives you a clear performance benchmark.
- Synthetic fiber blend media helps trap contaminants and keep oil cleaner.
- Heavy-duty canister can withstand up to 9X normal oil system pressure.
- Enhanced nitrile gasket helps prevent oil leaks when installed correctly.
- Works with conventional, high-mileage, synthetic blend, and full synthetic oils.
Cons
- Vehicle-specific fitment can cause problems if you skip the year, make, model, engine, and trim check.
- Extended service protection still depends on oil type, driving conditions, and OEM maintenance guidance.
- Amazon and retailer listings can show slightly different specification details, so you should verify before installation.
Is the Mobil 1 M1-108A Worth the Price?
The Mobil 1 M1-108A makes sense as a premium oil filter when it fits your vehicle and supports your maintenance plan. You get synthetic blend media, strong canister construction, an enhanced nitrile gasket, and an anti-drain back valve in one filter.
It offers strong value for the price if you already use a quality motor oil and want longer service protection than a basic economy filter. You get less value if you change oil very often, drive an older engine with short intervals, or only need the cheapest correct-fit filter.
The best buyer is someone who wants a smart buy for everyday use but still respects the owner’s manual. The M1-108A can support longer intervals, but your vehicle’s service schedule should make the final decision.
How It Compares With Alternatives
The Mobil 1 M1-108A competes with other premium filters in the same general fitment range, including options such as FRAM Ultra Synthetic XG6607, K&N HP-1008, and WIX 51365 in many cross-reference discussions. You should treat those names as comparison starting points, not automatic replacements.
Choose the M1-108A if you want Mobil 1’s Extended Performance construction, synthetic blend media, and 20,000-mile service-positioning in a confirmed correct-fit part. Consider a different filter only when your fitment tool, owner’s manual, or trusted parts counter confirms the alternative for your exact vehicle.
Frequently Asked Questions
Does the Mobil 1 M1-108A fit my car?
It depends on your exact year, make, model, engine, and trim. Use Amazon’s fitment checker, your owner’s manual, or a trusted parts database before ordering.
How long does the Mobil 1 M1-108A last?
Mobil 1 lists Extended Performance oil filters for up to 1 year or 20,000 miles, depending on conditions. Your owner’s manual should still guide your actual maintenance interval.
Can you use the Mobil 1 M1-108A with synthetic oil?
Yes. Mobil 1 says Extended Performance oil filters work with conventional, high-mileage, synthetic blend, and full synthetic motor oils.
What thread size does the Mobil 1 M1-108A use?
The Amazon listing shows 20X1.5 MM; M20 x 1.50 for this product. You should still confirm the thread and gasket match for your vehicle before installation.
Is the Mobil 1 M1-108A good for cold starts?
It can help because it uses a durable anti-drain back valve and Mobil 1 highlights reduced resistance to oil flow. Cold-start protection also depends on oil viscosity, engine condition, and outside temperature.
What should you check before installing it?
Check fitment, thread size, gasket condition, gasket lubrication, old gasket removal, hand-thread alignment, tightening guidance, and leaks after startup. Stop and recheck the filter if you see dripping oil near the gasket.
What comes in the box?
The Amazon listing shows one Extended Performance Oil Filter as the included component. You should not expect oil, tools, a drain plug washer, or a filter wrench in the box.
The Bottom Line
The Mobil 1 M1-108A earns an 8/10 rating because it offers strong filtration specs, premium construction, and extended service protection when it fits the right vehicle. You should buy it if you want a Mobil 1 Extended Performance filter with synthetic blend media and a heavy-duty canister.
You should look elsewhere if your vehicle lookup tool does not confirm fitment, your owner’s manual requires a different part, or you prefer a basic short-interval filter. For the right vehicle, the M1-108A is a dependable premium choice with clear strengths and one major requirement: fitment must be correct.
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