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STI Washer and Intercooler Spray caps preview

Files (5)

Cap_Liner.stl
STL
292.3 KB
Intercooler_Water_Spray_Cap.stl
STL
9.9 MB
Intercooler_Waterspray_cap.stl
STL
9.9 MB
Washer_Fluid_Cap.stl
STL
9.7 MB
Washer_Fluid_cap.stl
STL
9.7 MB

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Referenced itemWhat to verifyPrice & availability
PETG filamentAmazon · Affiliate linkAmazon product page for 1.75 mm PETG; confirm colour, spool size, print temperature, seller, and delivery region.Check price at Amazon
ASA filamentAmazon · Affiliate linkAmazon product page for 1.75 mm ASA; use an enclosure and suitable ventilation, and confirm seller and regional availability.Check price at Amazon

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Mechanical/Functional

STI Washer and Intercooler Spray caps

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CC BY
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The file license permits commercial reuse, subject to any applicable attribution or share-alike terms. License status does not verify vehicle fitment, OEM rights, design patents, or safety.

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Description

Update: Added a liner file. Print this in TPU and attach to the underside. After using these for 3 years, the porosity of PLA allowed it to discolor. The TPU barrier prevents that. You can still print just a cap and it'll work of course. I've Remixed "Subaru WRX Washer Cap" to add different text for the 2 reservoirs on my '95 STI. I did not make the "STI" logo, it was taken from http://www.thingiverse.com/thing:1330474. The text has gaps between the walls for me in Cura but I just bridged that with paint.

Compatible Vehicles

Published Jun 30, 2026Updated Aug 14, 2026

Originally published on thingiverse.com by Binary mein (binarymein) · License: CC BY

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