Files (4)

AR_Logo_Cover.stl

STL

158.7 KB

Base.stl

STL

69.4 KB

Plain_Cover.stl

STL

35.4 KB

Q4_Cover.stl

STL

56.9 KB

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Print cost & setup estimate

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4 model files

Typical selected file

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Material cost

Slice required

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Print time

Slice required

Slice with the recommended material, infill, orientation, and supports.

STL file	Role	Source size	PETG / ASA 20%	PETG / ASA 25%	100% solid	Recommendation
AR_Logo_Cover.stl	Cover / cap	158.7 KB STL	Slice file	Slice file	Slice file	Use PETG / ASA; check sealing faces and verify in slicer.
Base.stl	Printable file	69.4 KB STL	Slice file	Slice file	Slice file	Ensure proper orientation in the slicer to minimize supports.
Plain_Cover.stl	Cover / cap	35.4 KB STL	Slice file	Slice file	Slice file	Use PETG / ASA; check sealing faces and verify in slicer.
Q4_Cover.stl	Cover / cap	56.9 KB STL	Slice file	Slice file	Slice file	Use PETG / ASA; check sealing faces and verify in slicer.

Saved setup guidance is used for material, infill, support, and per-file recommendation text; editable numbers are planning estimates only.

Mechanical/Functional

Alfa Romeo 155 Q4 HT Lead Cover

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3DPrintedCarPart

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Description

This replaces the plastic cover over the HT Leads as the run up towards the coils on the 1992-1997 Alfa Romeo 155 Q4. It is fixed in place by the standard large countersunk screw and the top cover is held down by a pair of m3 socket head bolts which will recess into the cover. These fasten into the lower structure so please don't over tighten. Any questions or suggestions welcome.

Compatible Cars

Alfa Romeo 155

Published Jun 28, 2026Updated Jul 15, 2026

Originally published on thingiverse.com by Steve Webb (PenryAR) · License: CC BY

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