TA383 Engine Cylinder Plug

TA383 Engine Cylinder Plug

The TA383 plug was specifically designed for installation in engine cylinders.
Window Diameter

0.625 IN (15.9 MM)

Stock Status


Part Number


Product Description


Humidity indicator plug monitors moisture levels in engines during transport and storage and alerts the user when desiccant should be replaced thereby preventing corrosion in the engine block.

This plug was specifically designed for installation in engine cylinders. It installs into an 18-1.5 mm threaded boss (the same thread as the most common spark plug size used in automobiles). The o-ring provides an airtight seal with minimal torque.

Part number format is TA383-40 for single spot cards; TA383-123P for multi-segment cards. Also available with a mounting nut by adding a "-W" to the end of the part number.

Recommended Installation Torque: 25 - 35 in. - lbs. (3.0 - 4.0 N·m)

Standard finish is clear anodize. Standard gaskets are IAW MIL-R-6855. Alternate finishes and gasket materials are available on request. Please contact AGM's Engineering Department for more information.

NOTE: Contact AGM for availability of this and other custom manufactured products.



Additional Information

Name TA383 Engine Cylinder Plug
Part Number TA383 (specify card type)
Window Diameter 0.625 in (15.9 mm)
Recommended Installation Torque 25 - 35 in. - lbs. (3.0 - 4.0 N·m)
Body Material aluminum
Body Finish anodized, clear
Internal O-Ring Material IAW MIL-PRF-6855
External Gasket Material IAW MIL-PRF-6855
Complies With SAE AS26860 Type I
Weight 0.03 lbs
Stock Status Contact Us for Availability

Technical Sheets

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