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Post Onsite · Hardware & Fasteners
TF4012
In stock · ships from Knoxville
This is a replacement gasket for a TF40 indicator window, which is likely a sight glass or level gauge window installed on a tank or piece of machinery.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
We don't publish fitment for this part yet. Rather than guess, get it confirmed against your truck in under a minute.
The gasket seals the transparent window against its housing, preventing fluid or pressure leaks while allowing visual monitoring of internal conditions. It would be replaced during routine maintenance or if the window assembly shows signs of weeping or cracking.
Part Number: TF4012
GASKET FOR TF40 INDICATOR WINDOW
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more
