# What Is Gear Oil? (And Is It The Same As Transmission Fluid?)

> At the car repair shop, we often hear mechanics mention gear oil and transmission fluid when discussing any fix involving the gearbox — so much so that many might have started to believe that they are the same.

- **Source:** [SlashGear](https://www.slashgear.com/1810169/gear-oil-uses-differences-transmission-fluid/?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=67d8e8e86f0cb1f997ae615e)
- **Published:** 2025-03-18
- **Category:** Cars
- **Tags:** #gear #fluid #transmission #same #different #actually #applies #believe
- **Canonical:** http://localhost:4321/a/67d8e8e86f0cb1f997ae615e

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_GearOpen's distilled summary. The full original article is published at SlashGear (source link above); GearOpen does not republish the source's full text._