Doc's Fuel Filter DG4166 | Replaces 25055660

How do you know when you need to replace your fuel filter? Well, one clear sign that something is amiss is your check engine light turns on, but here are some other indicators that you could need a new fuel filter.

• Decreased performance such as sluggish acceleration, decreased power output, and overall poor vehicle performance
• Engine misfires, hesitation, or stumbling during acceleration
• Difficulty starting
• Stalling at low speeds or when idling
• Decreased fuel efficiency
• Unusual engine noises such as sputtering, whining, or whistling
• Visible dirt and debris on the filter

Our premium replacement fuel filters should be changed every 5,000-10,000 miles or 15,000 miles maximum. *Above all recommendations, change your fuel filters according to your vehicle's manufacturer warranty.