2015 Honda Accord Air Filter: Everything You Need to Know About Maintenance, Replacement, and Performance​

If you own a 2015 Honda Accord, paying attention to your air filter is one of the simplest yet most impactful ways to keep your car running smoothly, efficiently, and reliably. A clogged or dirty air filter can sap power, reduce fuel economy, and even lead to long-term engine damage. In this guide, we’ll break down everything you need to know about the 2015 Honda Accord’s air filter—from why it matters and how to choose the right replacement to step-by-step installation and cost-saving tips. By the end, you’ll have the knowledge to maintain this critical component like a pro.

Why the 2015 Honda Accord’s Air Filter Matters More Than You Think

The air filter in your 2015 Honda Accord is a small but mighty part of the engine’s intake system. Its job is to clean the air entering the engine, trapping dust, pollen, dirt, sand, and other debris before they can reach sensitive engine components. Without a properly functioning filter, these particles would wear down engine cylinders, pistons, and bearings over time, leading to costly repairs.

Beyond engine protection, the air filter directly impacts performance and efficiency. A clean filter ensures optimal airflow to the engine, allowing it to mix air and fuel efficiently. This translates to better throttle response, improved horsepower, and lower fuel consumption. Conversely, a dirty filter restricts airflow, forcing the engine to work harder. Owners often notice symptoms like rough idling, hesitation during acceleration, or a drop in miles per gallon (MPG)—all signs the air filter needs attention.

For the 2015 Honda Accord specifically, Honda engineers designed the intake system for balanced airflow and filtration. The stock air filter is optimized to work with the Accord’s 2.4L four-cylinder or 3.5L V6 engine (depending on trim), ensuring consistent performance across driving conditions. Ignoring its maintenance can undo these engineering benefits, so staying proactive is key.

Types of Air Filters for Your 2015 Honda Accord: OEM vs. Aftermarket

When it’s time to replace your 2015 Accord’s air filter, you’ll face a choice: stick with the original equipment manufacturer (OEM) part or opt for an aftermarket brand. Let’s compare the options.

OEM Air Filters

OEM filters are made by Honda or a designated supplier (often Denso or MANN-FILTER under contract). They’re designed to meet Honda’s exact specifications for fit, filtration efficiency, and durability. The 2015 Accord’s OEM air filter (part number 17220-RTA-003 for most trims) uses a pleated paper design that balances fine particle capture with airflow. It’s widely available at Honda dealerships and online retailers.

Pros: Guaranteed fit, meets Honda’s quality standards, backed by Honda’s warranty.

Cons: Tends to be pricier than aftermarket options (typically $25–$40).

Aftermarket Air Filters

Aftermarket brands like MANN-FILTER, Bosch, FRAM, and K&N offer alternatives to OEM. These range from basic paper filters to high-performance “cold air intake” systems.

• Basic Paper Filters: Similar to OEM but often cheaper (around $10–$25). Brands like FRAM and Bosch make reliable options that meet or exceed OEM specs.

• High-Flow Filters: Made with synthetic materials or oiled cotton gauze (e.g., K&N), these claim to improve airflow while filtering. They’re reusable (washable every 50,000–100,000 miles) but require careful handling—over-oiling can damage sensors.

• Cold Air Intake Kits: These replace the stock air box and filter with a larger, less restrictive system. They aim to draw cooler, denser air for more power, but they’re pricier ($150–$300) and may void warranty if not installed correctly.

Pros: Cost-effective (basic models), customizable (high-flow options).

Cons: Quality varies—cheap filters may not seal well, letting debris in. High-flow options need regular maintenance.

Pro Tip: For most 2015 Accord owners, a quality aftermarket paper filter (like MANN-FILTER CUK 26009 or Bosch 0986AF1204) offers the best balance of price and performance. Always check reviews and ensure the part matches your Accord’s engine type (2.4L vs. 3.5L).

How Often Should You Replace the 2015 Honda Accord’s Air Filter?

Honda’s owner’s manual recommends inspecting the air filter every 7,500 miles (12,000 km) and replacing it if it’s dirty. For most drivers, this translates to replacement every 15,000–30,000 miles (24,000–48,000 km), depending on driving conditions.

But real-world factors matter more than the manual. If you:

• Drive on unpaved roads, construction zones, or in dusty areas (e.g., desert climates), replace every 10,000–15,000 miles.

• Mostly drive in clean urban areas, you might stretch it to 30,000–40,000 miles.

• Notice reduced MPG, rough acceleration, or a musty smell in the cabin, check the filter immediately—even if it’s “early.”

To inspect the filter yourself: Open the air filter box (located under the hood, usually on the driver’s side near the fender), remove the filter, and hold it up to a light. If it’s visibly clogged with dirt or gray/black debris, it’s time to replace. A clean filter will let light pass through easily.

Step-by-Step: Replacing Your 2015 Honda Accord’s Air Filter

Replacing the air filter is a 10-minute job that saves you money and hassle. Here’s how to do it:

Tools Needed:

• New air filter (OEM or aftermarket, correct part number).

• Basic hand tools (optional—most filters just snap into place).

• Gloves (to keep hands clean).

Steps:

1. Locate the Air Filter Box: Pop the hood and look for a black plastic box labeled “Air Filter” or “Air Cleaner.” On the 2015 Accord, it’s typically on the driver’s side, near the front of the engine bay, connected to a large rubber hose (the intake duct).

2. Remove the Cover: The box is held shut with clips or screws. Most 2015 Accords use plastic clips—squeeze them to release. If there are screws, use a Phillips-head screwdriver to remove them. Lift the cover off carefully; don’t drop it, as debris could fall into the intake.

3. Take Out the Old Filter: Gently pull the old filter straight out of the box. Note its orientation—some filters have an arrow indicating airflow direction (usually from the top/downward into the engine).

4. Clean the Box: Use a damp cloth or compressed air to wipe out any loose dirt or debris from the filter box. This prevents contaminants from bypassing the new filter.

5. Install the New Filter: Place the new filter in the box, aligning it with the grooves or tabs. Ensure it sits flush—no gaps. If your filter has an airflow arrow, point it toward the engine.

6. Reassemble the Cover: Snap or screw the cover back into place. Double-check that it’s secure—loose covers can let unfiltered air in.

Final Check: Start the engine. If you hear no unusual whistling (which could mean a poor seal), take it for a short drive. You should notice smoother acceleration and, over time, better MPG.

Cost Comparison: DIY vs. Professional Replacement

How much does it cost to replace your 2015 Accord’s air filter? It depends on who does the work.

• DIY: A basic aftermarket filter costs $10–$25. Add $0fortoolsifyoualreadyhavethem.Total:$10–$25.

• Dealership: Honda dealerships typically charge $50–$80 for parts (OEM filter) plus $30–$50 labor. Total: $80–$130.

• Local Mechanic Shop: Independent shops may charge $40–$60 for parts and $20–$30 labor. Total: $60–$90.

Clearly, DIY is the most cost-effective. Even if you buy a premium aftermarket filter, you’ll still save compared to dealership prices. Plus, you’ll learn a simple skill that keeps your car healthier.

Common Questions About the 2015 Honda Accord Air Filter

Q: Can I clean my air filter instead of replacing it?

A: Not recommended for paper filters. Washing can damage the pleats, reducing filtration efficiency. Oiled cotton gauze filters (like K&N) can be cleaned with a special kit, but most 2015 Accords use paper filters—replace them instead.

Q: Why does my cabin smell musty after replacing the air filter?

A: The old filter may have trapped moisture or mold. Clean the air filter box with a mild disinfectant before installing the new filter. If the smell persists, check the cabin air filter (a separate component for HVAC).

Q: Will a high-flow air filter improve my Accord’s performance?

A: Maybe, but marginally. Stock filters are already efficient. High-flow filters may add 2–5 horsepower at high RPMs but can let more dirt in over time. For daily driving, the stock or basic aftermarket filter is sufficient.

Q: Where can I buy a reliable 2015 Accord air filter?

A: Trusted retailers like Amazon, RockAuto, Advance Auto Parts, or Honda dealerships. Avoid generic, no-name brands—stick to MANN-FILTER, Bosch, or FRAM for consistency.

Pro Tips to Extend Your Air Filter’s Life

• Park in covered areas​ when possible to reduce exposure to dust and debris.

• Check the filter every oil change—it’s easy to do and catches issues early.

• Avoid driving with the hood open​ in dusty conditions—this bypasses the filter.

• Use a pre-cleaner​ (a coarse mesh) on the air intake hose if you frequently drive on dirt roads.

Final Thoughts: Don’t Overlook This Small Part

The 2015 Honda Accord’s air filter is a prime example of how a small, inexpensive component can have a big impact on your car’s performance, efficiency, and longevity. By understanding when to replace it, choosing the right part, and handling the job yourself, you’ll save money and keep your Accord running like new. Remember: a clean air filter isn’t just maintenance—it’s an investment in your car’s future.

Whether you’re a DIY enthusiast or prefer professional help, prioritizing this task ensures your 2015 Accord remains reliable, efficient, and ready for the road ahead.