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DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Honda RidgelineSpark Plug Type & Gap
OEM spark plug spec from the factory service manual for the 2017-2024 (2017-2024).
Quick Answer
Source: Factory service manual — 2021 Honda Ridgeline 2017-2024.
This vehicle's factory manual
2021 Honda Ridgeline: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.
What You'll Need
Related for Your 2021 Honda Ridgeline
Frequently Asked Questions
- What spark plugs does a 2021 Honda Ridgeline use?
- Refer to the factory service manual for the exact spark plug specification for your 2021 Honda Ridgeline.
- What is the spark plug gap for a 2021 Honda Ridgeline?
- Refer to the factory service manual for the exact spark plug gap specification.
- How often should I replace spark plugs on a 2021 Honda Ridgeline?
- Most modern vehicles recommend spark plug replacement every 60,000–100,000 miles. Check your factory service manual for the exact interval.