Description
When your alternator starts making noise or your charging light starts flickering, it might not be the alternator itself—sometimes it’s just a worn pulley causing all the trouble. A cracked or wobbly pulley can throw off belt alignment, cause premature belt wear, and even damage the alternator bearings. This replacement pulley gets everything spinning smooth again and keeps your charging system running like it should.
What You’re Getting
- Perfect 3-1/8 inch diameter with 5/8 inch shaft bore for precise fit on the ALT-17125SE alternator
- Two grooves designed for standard 1/2 inch wide V-belts—no guessing about belt compatibility
- TISCO quality construction that handles the vibration and stress of engine operation
- Direct replacement design—no modifications or adapters needed
Built for Real Farm Work
This pulley is specifically matched to work with the ALT-17125SE alternator, a reliable charging unit found on various agricultural tractors. Whether you’re running hay equipment, operating a loader, or doing field work, this pulley keeps your alternator turning at the right speed to maintain proper battery charge and electrical system voltage.
Made to Last
Farm equipment pulleys take a beating from constant engine vibration, temperature swings, and belt tension. This TISCO pulley is built with quality materials that resist cracking and wear, maintaining proper alignment season after season. The precision-machined grooves provide optimal belt contact for long belt life and reliable power transmission.
Installation Notes
Installation requires a pulley puller to remove the old pulley and a proper installer tool to seat the new one—don’t try to hammer it on or you’ll damage the alternator shaft. Make sure to check belt alignment after installation and verify proper belt tension to prevent premature wear on both the belt and pulley.
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