Genuine Subaru Rear Main Oil Seal – 806786040

Proper seal. Proper job. Built to last.

A leaking rear main is messy, frustrating, and not something you want to do twice.
This Genuine Subaru Rear Main Oil Seal is the correct OEM part for all EJ-series 4-cylinder engines and select H6 models — made to handle heat, pressure, and long-term reliability.
Genuine Subaru rear main oil seal for all EJ builds the one you replace while the box is out so you don’t have to go back in.

Designed to keep crankcase oil exactly where it should be, this seal is the only option if you want factory fitment and peace of mind during engine work or rebuilds.

Fitment

Fits the following Subaru models:

• Impreza: 1992–2014

• WRX / STI: 2014–2022 (EJ models)

• Legacy EJ 4-cyl: 1989–2014

• Legacy / Outback H6: 2000–2007

• Forester: 1996–2012

• All EJ-series 4-cylinder engines

Details

• Part number: 806786040

• Genuine Subaru OEM

• Correct material, tension, and sealing profile

• Ideal for engine rebuilds, clutch jobs, or leak repairs

Why Genuine Matters

The rear main sits deep in the engine — cheap alternatives fail early and require the whole job again.
OEM gives you the right press fit, the right lip tension, and long service life.

📦 In stock and ready to ship from Roo Racing