🛠️ The $15 Part That Can Make a $1,500 Clutch Job Very Awkward

Let's talk about the rear main seal.

It's not glamorous.
It doesn't make horsepower.
Nobody posts photos of it on Instagram.

But when it fails, it has an incredible ability to turn your bellhousing into an Exxon Valdez reenactment 😅

This Genuine Subaru Rear Main Seal (Part #806786040) seals the rear of the crankshaft where it exits the engine block, preventing engine oil from escaping and contaminating your clutch, flywheel, or driveway.

In true Subaru fashion, this tiny seal often sits quietly doing its job for hundreds of thousands of miles... until one day it decides retirement sounds nice. 🚗💨

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🔧 Product Details

• Part Number: 806786040
• Genuine Subaru rear main crankshaft seal
• OEM replacement design
• Installs at rear of engine crankshaft
• Helps prevent engine oil leaks
• Durable oil-resistant rubber construction
• Direct replacement for:
  • 806786010
  • 806786020
  • 806786030

Perfect for:
✅ Clutch replacement jobs
✅ Engine rebuilds
✅ Oil leak repairs
✅ Preventative maintenance while the transmission is already out

Because if you've already pulled the transmission, this is one of those "while you're in there" parts that simply makes sense.

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🚗 Fitment

This seal fits a huge range of Subaru engines including many EJ-series and EZ-series applications.

Subaru Legacy

• 1990–2012 Legacy
• 1.8L, 2.2L, 2.5L, 3.0L applications

Subaru Outback

• 1996–2012 Outback
• 2.2L, 2.5L, 3.0L applications

Subaru Impreza

• 1993–2011 Impreza
• 1.8L, 2.0L, 2.2L, 2.5L applications

Subaru WRX

• 2002–2014 WRX
• 2015–2020 WRX

Subaru WRX STI

• 2004–2018 STI

Subaru Forester

• 1998–2013 Forester

Subaru Baja

• 2003–2006 Baja

Subaru Tribeca / B9 Tribeca

• 2006–2008 Tribeca

Subaru SVX

• 1992–1997 SVX

Fits many:

• EJ20
• EJ22
• EJ25
• EZ30
• EZ36
• Other Subaru boxer engine applications

⚠️ Always verify fitment using your VIN, engine code, or original part number before ordering. Subaru used several rear main seal designs throughout production.

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⚙️ Symptoms of a Failing Rear Main Seal

If you're noticing:

• Oil dripping between the engine and transmission
• Oil-soaked bellhousing
• Clutch contamination
• Burnt oil smell
• Mysterious oil loss

...the rear main seal may be waving the white flag. 🏳️

And unfortunately, unlike a valve cover gasket, this one likes to hide in the most inconvenient place possible.

Subaru engineers:

"Let's put the seal behind the flywheel."

Mechanics:

"Cool. Cool cool cool." 😅

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🌲 The North Westy Difference

Founded in 2009 in the Pacific Northwest, North Westy has become one of the most trusted names in VW Vanagon restoration, upgrades, and adventure-ready Volkswagen builds 🚐🌲

We specialize in Vanagons, Westfalias, Syncros, and other classic Volkswagen vehicles, but we also appreciate quality OEM components from manufacturers that build vehicles meant to rack up serious miles and real adventures.

Whether you're replacing a clutch, rebuilding an engine, or chasing down an oil leak that's been marking its territory in your driveway for years, we're here to help keep classic and adventure-ready vehicles on the road.

Check out our other listings for more OEM parts, restoration components, and hard-to-find enthusiast vehicle goodies.