Subaru Transmission Axle Seal Dust Cap - image

Files (3)

36x10mm-Subaru_Axle_Seal_Dust_Cap.stl

STL

40.4 KB

36x20mm-Subaru_Axle_Seal_Dust_Cap.stl

STL

42.9 KB

Handle_for_Subaru_Axle_Seal_Dust_Cap.stl

STL

61.5 KB

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STL file	Role	Source size	PETG / ASA 20%	PETG / ASA 25%	100% solid	Recommendation
36x10mm-Subaru_Axle_Seal_Dust_Cap.stl	Cover / cap	40.4 KB STL	Slice file	Slice file	Slice file	Use PETG / ASA; check sealing faces and verify in slicer.
36x20mm-Subaru_Axle_Seal_Dust_Cap.stl	Cover / cap	42.9 KB STL	Slice file	Slice file	Slice file	Use PETG / ASA; check sealing faces and verify in slicer.
Handle_for_Subaru_Axle_Seal_Dust_Cap.stl	Cover / cap	61.5 KB STL	Slice file	Slice file	Slice file	Use PETG / ASA; check sealing faces and verify in slicer.

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Mechanical/Functional

Subaru Transmission Axle Seal Dust Cap

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Description

When a Subaru transmission is drained and removed, there is still plenty of gear oil that can pool up and leak out of the open seals. This print prevents most small oil leaks and keeps dirt out of the transmission during storage. The 20mm deep cap is needed for the rear output shaft seal as it accepts a Female style driveshaft and protrudes outside the seal, the smaller 10mm deep caps can be used for the front axle seals as they have no output shaft protruding. Everything here is designed for the newer style Male axle shafts because that is what I have access to from my 2008 Forester XT. If you have measurements of the older style, feel free to remix or send me your design to add here. All 3 axle seals on my transmission are the newer style 36mm ID, I've read that the older seals are 30mm and I can add those sizes as well on request or feel free to remix.

Compatible Cars

Subaru (all models)

Published Jun 30, 2026Updated Jul 15, 2026

Originally published on thingiverse.com by (cgunz410) · License: CC BY

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