[Mower Idler Pulley Replaces]131-4529, 121-5763, 125-2532, 126-0316, 131-4506, 131-4509 2 3/4inch length 1inch height Hole: 1.4inch OD 7inch ID. [Mower Belt Kit Replaces]120-3335, 265-610, 1203335, 1203335. Cogged Type Belt for Drive, Total 140 tooth, Length 44inch, Width 3/4inch. [Wide Compatibility]Compatible with various models including for TimeMaster 30in and 76cm Lawn Mower, and for WalkBehind Lawn Mower. See product details below for specific models. [High Quality]Made of high-quality material, factory tested many times to excellent quality. High strength, wear-, - and , avoiding frequent replacements or repairs. Color: As Shown Material: Aluminum Alloy Package Contents: 2 * Mower Idler Pulley 1 * Synchronous Deck Belt Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.