DEF Search
Find DEF at the Pump
About
Easily locate Diesel Exhaust Fluid (DEF) pumps nearby with an interactive map. Get directions, confirm station status, and contribute to keeping data accurate for all diesel vehicle owners.
What's New in DEF Search
1.1.3
July 3, 2026
- This version includes minor bug fixes and map improvements.
FAQ
What is DEF Search?
DEF Search is a navigation app designed to help diesel vehicle owners quickly find Diesel Exhaust Fluid (DEF) pumps near their current location or a specified address. It provides an interactive map with station details and one-tap directions.
How does DEF Search help me find DEF?
DEF Search displays nearby DEF pumps on a map, showing addresses and descriptions. You can search by city, state, ZIP code, or use your current location to find the closest stations and get directions.
Is DEF Search free to use?
Yes, DEF Search is completely free to use. There are no subscriptions or paywalls required to access its features.
Does DEF Search have ads?
No, DEF Search does not contain advertisements. The app is designed to be clutter-free and provide a seamless experience for users on the road.
Where is DEF Search available?
DEF Search currently works nationwide within the U.S. only. It allows users to search for DEF pumps by city, state, or their current location.
How is the data in DEF Search kept up-to-date?
The data in DEF Search is crowd-sourced and verified by drivers like you. Users can confirm station status, report incorrect locations, and suggest new stations to help maintain accuracy.
What devices does DEF Search support?
DEF Search is available for iPhone and iPod devices. It is designed with large tap targets and a fast map for ease of use while driving.
How often is DEF Search updated?
The latest version of DEF Search is 1.1.3, which was last updated on July 3, 2026. Updates typically include data refreshes and potential feature enhancements.