One New Aftermarket Replacement Deck Drive Belt for Simplicity GTH Lawn and Garden Tractors
This aftermarket replacement A-section V-belt drives the mower deck on Simplicity GTH garden tractors equipped with a 48-inch cutting deck. Built to OEM dimensions with polyester cord construction, this belt delivers reliable power transfer through the deck pulley system and is a direct replacement for Simplicity OEM part numbers 1703466, 1703466SM, 1665638, and 1665638SM.
Specifications
- Type: A-Section V-Belt (Covered)
- Top Width: 1/2″
- Outside Circumference (OC) Length: 126″
- Depth / Thickness: 5/16″ (.315″)
- Material: Polyester Cord
- Application: Mower Deck Drive Belt
Compatible Models
Simplicity GTH Series (48″ Deck): GTH, 1690413, 1690709, 1691130, 1691425, 1691426, 1691687, 1691712, 1691736, 1691766, 1691773, 1691786, 1691826
Replaces Part Number(s):
Simplicity 1703466, 1703466SM, 1665638, A124, 4L1260
Aftermarket Interchange Numbers
Oregon 15-731, Fits Stens 265-835, Rotary 6874, LAB40-0691
New aftermarket replacement part – not remanufactured, not used.








