Acura Integra Spark Plug Replacement Guide for 2023-2025 Models
Everything you need to know about choosing the right spark plugs for your Integra's turbocharged engine.
- For the 2023-2025 Integra, use only high-quality Iridium spark plugs from NGK or Bosch.
- NGK is the Original Equipment Manufacturer (OEM), making their aftermarket plugs a top-tier choice.
- Do not apply anti-seize to new spark plug threads, as it can lead to over-tightening and damage.
- Replacement is a simple DIY task that can restore engine smoothness and performance in about an hour.
Signs of Failing Spark Plugs in Your Integra
Worn spark plugs can cause noticeable problems. Because your Integra uses a direct-injection, turbocharged engine, it is sensitive to spark quality. If you experience any of the following, it might be time for a replacement.
- Rough Idle: The engine may shake or vibrate more than usual when stopped.
- Engine Misfires: You might feel a hesitation or stumble during acceleration. A flashing check engine light is a serious sign of a misfire.
- Reduced Power: The car may feel sluggish and less responsive, especially when you demand power for passing or climbing hills.
- Worse Fuel Economy: If you find yourself filling up the gas tank more often, worn plugs could be the cause. Inefficient combustion wastes fuel. 🎬 Watch: 7 symptoms of bad spark plugs and replacement costs
- Difficulty Starting: A weak spark can make it harder for the engine to turn over, especially in cold weather.
Choosing the Right Aftermarket Spark Plugs
For a modern engine like the one in your 2023-2025 Integra, sticking with the original equipment (OEM) design is the best approach. The factory installs high-quality Iridium spark plugs to handle the demands of turbocharging.
Brand Quality Tiers
Tier 1: OEM Equivalent
NGK: NGK is the original equipment supplier for the Acura Integra. Choosing NGK aftermarket plugs is the safest bet, as they are often identical to the parts sold at an Acura dealership, just in a different box. They are specifically engineered for Honda and Acura engines. For the 1.5L engine, look for NGK Laser Iridium plugs. For the 2.0L Type S, specific NGK Laser Iridium plugs are also required.
Tier 2: High-Quality Alternative
Bosch: Bosch is a world-renowned German parts manufacturer that produces excellent Iridium spark plugs. While NGK is the OEM fit, a compatible Bosch Double Iridium plug is a reliable and high-quality alternative that will perform well in your Integra. They are a strong choice if the OEM-equivalent NGK plugs are not available.
Pro Tip: OEM vs. Aftermarket
In this case, the line between "OEM" and "aftermarket" is blurry. Since NGK makes the original part for Acura, buying an NGK-branded plug is like getting an OEM part without the dealership markup. Both NGK and Bosch Iridium plugs are excellent choices that will meet or exceed the performance of the original plugs.
Cost of Spark Plug Replacement (2023-2025 Acura Integra)
| Item | Estimated Cost |
|---|---|
| New Aftermarket Spark Plugs (Set of 4) | $60 - $120 |
| New OEM Spark Plugs (Set of 4 from Dealer) | $100 - $180+ |
| Shop Labor | $90 - $150 |
| Total Professional Replacement | $290 - $350 |
Frequently Asked Questions
When should I replace the spark plugs on my Integra?
Acura's maintenance schedule recommends replacing the spark plugs around 105,000 miles. However, because it is a turbocharged engine, some owners choose to replace them sooner, around 60,000 to 75,000 miles, to maintain peak performance and smoothness.
Is it hard to replace Integra spark plugs myself?
No, this is a relatively easy DIY job for a 4-cylinder engine. It takes about 30-60 minutes with basic tools. 🎬 See this step-by-step 2023-2025 Integra spark plug replacement walkthrough You will need a 14mm magnetic spark plug socket, a torque wrench, and a socket extension. Always work on a cool engine to avoid damaging the cylinder head threads.
Do I need to gap the new spark plugs?
NGK and Bosch Iridium plugs for your Integra typically come pre-gapped from the factory. It is always a good practice to verify the gap with a feeler gauge before installation, but you should not need to adjust them. The factory gap for the 1.5L engine is typically 0.030 inches.
Should I use anti-seize on the spark plug threads?
No. NGK specifically advises against using anti-seize on their modern spark plugs. The threads have a special anti-corrosion plating that acts as a release agent. Using anti-seize can alter torque readings, leading to over-tightening and potential damage to the spark plug or your engine's cylinder head.
🎬 Watch: Why you should avoid using anti-seize on spark plugsAre there any recalls for Integra spark plugs?
As of early 2026, there are no recalls, technical service bulletins (TSBs), or common widespread issues related to the spark plugs on the 2023-2025 Acura Integra.
Helpful Videos
Technical Specifications
OEM Part Numbers: 12290-6A0-A01 (1.5L Engine) 12290-5PA-A01 (2.0L Type S Engine)
Socket Size: 14mm. Material: Iridium. Recommended Gap: Varies by engine, but typically pre-set. (e.g. 0.030" for 1.5T)
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Acura Integra: