Toyota Differential Breather Nipple- 1/8" BSPT to 1/4" Nipple
The Right Fitting for the Job
OEM Toyota breather nipple that connects directly to most of the later design Toyota differential housings. This is the same part Toyota uses from the factory, giving you the proper 1/4" nipple size for reliable breather tube connections.
What It Is
- Genuine Toyota part number: 90404-51052
- 1/8" British Standard Pipe Thread (BSPT)
- 1/4" outer nipple for tube connection
- Direct OEM replacement for most Toyota applications
Why You Need It If your Toyota differential housing has 1/8" BSPT threads, and its time to replace the fitting, this fitting bridges that gap with the exact specifications Toyota designed for your vehicle.
Perfect For
- Replacing worn or damaged original breather fittings
- Setting up our Tri-Port Differential Breather Kit
- Any breather system requiring 1/4" tube connections
- Toyota trucks, 4Runners, and SUVs
Installation Thread into your differential housing using 1/8" BSPT threads. The 1/4" nipple provides a secure connection point for your breather tubing. Apply thread sealant as needed.
Quality You Can Trust This is the same part Toyota installs at the factory. No guessing about fit or materials - it's designed specifically for your application.
Compatibility Most Toyota differentials use this thread size and nipple configuration. Check your existing fitting or consult your service manual if unsure.
NOTE: This fitting is NOT included with the Tri-Port Diff Breather KIt
Toyota Part #90404-51052
