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Fits ZAMA carburetor models C1Q-S28, C1Q-S28A-D, C1Q-S29, C1Q-S29A-C, C1Q-S30, C1Q-S30A-C, C1Q-S41, C1Q-S44, C1Q-S44A, C1Q-S45.

Cross Reference

  • ZAMA RB-66
  • Use GND-28 if you need a diaphragm and gasket kit


  • Stihl models BG75, FC55, FC75, FH75, FS46, FS55, FS75, FS80, FS85, HL75, HT70, HT75, HS75, HS80 & HS85.

Part Number


★ Customer Reviews ★

★ Customer Reviews ★

9591 reviews
Exact fit.

All bolts, pulleys and keyways fit without any issues. Spindle bearing was in a sealed plastic bag to keep bearing cover with it so it couldn't get lost, as well as visable inspection of the parts.

Perfect Fit, works great

I replaced one Spindle on my Hustler Sport Zero Turn, this was a perfect fit. Solid, heavy, appears well built.Only extra comment -- no replacement bolts provided (many youtuber's broke them removing); I didn't break any (whew). Could add as an Extra for $2.00 to include Bolts? Approx 5/16 x 2 inch, hardened; 9/16 bolt & nutWorks great, was easy to replace; will use this seller, this item again if I need to replace 2 or 3 on my Zero Turn. Much quieter now.Oh, one extra thing that was included, rarely seen from Amazon -- a Packing slip!

It works and fits right

It's awesome 👌

Perfect fit for 54" Craftsman Zero turn mower with a KT735 Kohler engine.

Perfect fit for 54" Craftsman Zero turn mower with a KT735 Kohler engine. Quickest shipment and delivery ahead of schedule.

Perfect fit

Starter fit perfectly, functions flawlessly. Gave new life to an old 1997 motor. Ordered a second one for spare.