This is a genuine Tecumseh OEM spark plug, part number 33636. Built to factory specifications, it provides proper heat range and electrode design for dependable starting, smooth running, and efficient combustion.
Using the correct OEM spark plug helps prevent misfires, hard starting, and poor engine performance—especially important on vintage and workhorse Tecumseh engines.
Genuine Tecumseh OEM part
Correct heat range and gap (factory spec)
Improves starting and ignition reliability
Direct replacement for original equipment
HH60
H50
(Always verify engine model and manufacturer recommendations before ordering.)
Tecumseh 33636