How to Choose and Replace the 2014 Nissan Altima S Oil Filter

Keeping the oil filter in good shape is one of the simplest, yet most rewarding, maintenance tasks for a 2014 Nissan Altima S. A clean filter protects the engine’s delicate moving parts, helps maintain fuel efficiency, and can stave off costly repairs. Below you’ll find everything you need to know – from spotting the right part number to swapping the filter yourself.

Why the Oil Filter Matters for Your 2014 Nissan Altima S

The engine’s lubrication system circulates oil through a maze of passages, but it’s the filter that catches dirt, metal shavings, and carbon deposits before they reach critical components. Over time, a clogged filter restricts flow, causing oil pressure to dip and the engine to work harder. In the Altima S, which uses a 2.5‑liter four‑cylinder engine, this effect can be noticeable as a slight loss of power or a subtle ticking noise.

Identifying the Correct Oil Filter Part Number

There isn’t a single “one‑size‑fits‑all” filter for the 2014 Altima S, but the most common OEM part numbers are:

• Nissan Part #15203‑90A00 – the original filter installed at the factory.
• FRAM Premium Gold CF2427 – a widely available aftermarket option that meets Nissan’s specifications.
• Mann‑Filter HU 603/4 – a European‑style filter known for a sturdy steel mesh.

When you browse online or visit a parts store, look for these numbers or verify that the filter’s dimensions (height ≈ 3.5 in, diameter ≈ 2.5 in) match the OEM spec. Most retailers list “fits 2014‑2015 Nissan Altima” in the description, which is a quick sanity check.

When to Replace the Oil Filter

General wisdom from Nissan recommends swapping the filter every time you change the oil, which for most Altima S owners means every 5,000–7,500 miles under normal driving conditions. If you regularly tow, drive in dusty environments, or push the engine hard (track days, aggressive acceleration), shortening the interval to 3,000 miles can prevent premature wear.

Pay attention to the oil pressure gauge: a sudden dip right after a warm‑up could hint at a clogged filter. Similarly, if the check‑engine light flashes with a code P0520 (oil pressure sensor), a quick visual inspection of the filter might save you a trip to the shop.

Step‑by‑Step Replacement Guide

Changing the filter yourself takes about 20 minutes and only a few tools. Here’s a practical walk‑through:

• Gather your supplies. You’ll need a new filter, a drain pan, a wrench or socket that fits the drain plug (usually 13 mm), a rubber glove, and a rag.
• Warm up the engine. Run the Altima for a couple of minutes so the oil thins out; this makes it flow more easily when you drain it.
• Lift the car safely. Use a jack and stand or a set of ramps. Never rely on the car’s suspension alone.
• Locate the drain plug. It sits at the bottom of the oil pan, directly beneath the engine. Place the drain pan and unscrew the plug; let the old oil flow out completely.
• Remove the old filter. Turn the filter counter‑clockwise with your hand or a filter‑wrench. Expect a splash of oil, so keep the rag handy.
• Prep the new filter. Lightly coat the rubber seal with fresh oil – this ensures a proper seal and makes removal easier later.
• Install the new filter. Screw it on by hand until the gasket contacts the mounting surface, then give it a half‑turn more. Overtightening can damage the seal.
• Replace the drain plug. Tighten it to the manufacturer’s torque spec (usually around 20 lb‑ft).
• Refill with fresh oil. Pour the recommended 5W‑30 synthetic oil (about 4.8 qt for the Altima S) through the filler cap. Check the dipstick after a minute and top off if necessary.
• Run the engine briefly. Let it idle for a minute, then re‑check for leaks around the filter and drain plug. Shut it off and verify the oil level once more.

That’s it – you’ve just given your Altima a fresh line of defense against contaminants.

Tips for Extending Filter Life

Even the best filter can be overworked if the oil itself is dirty. Here are a few habits that help both oil and filter stay healthier longer:

• Use high‑quality oil. Nissan recommends SAE 5W‑30 synthetic; it resists breakdown and keeps particles suspended for easier filtration.
• Change the oil filter at every oil change. Skipping the filter saves a few dollars now but may cost you more in engine wear later.
• Avoid short trips. Frequent cold starts don’t allow the oil to reach full temperature, which reduces its ability to carry contaminants to the filter.
• Monitor the oil condition. A dark, gritty oil indicates it’s doing the hard work of trapping debris; consider an earlier filter change if the oil looks especially dirty.

Frequently Asked Questions

Do I need a special wrench for the 2014 Altima S oil filter?

Most filters can be removed by hand, but a small filter‑wrench or a strap wrench can make the job easier if the filter is tight.

Can I use a universal oil filter instead of the OEM part?

Universal filters often claim compatibility, but they may not seal perfectly on the Altima’s mounting surface. Sticking with the OEM part number or a reputable aftermarket equivalent is safer.

Is synthetic oil required for my Altima S?

Nissan lists synthetic 5W‑30 as the recommended grade. While conventional oil will meet the basic viscosity, synthetic offers better temperature stability and can extend filter life.

How often should I inspect the filter without changing it?

A visual check isn’t usually necessary unless you suspect a leak or notice low oil pressure. The filter is disposable; if you’re near the service interval, replace it.