A-B11001133MA-AI VARIATOR ASSY

One New Aftermarket Replacement Variator and Idler Assembly for Murray / Fits Briggs & Fits Stratton Lawn Tractors and Riders

This aftermarket replacement variator and idler assembly fits Murray (Fits Briggs & Fits Stratton) lawn tractors, mid-engine riders, and rear engine riders. The variator assembly is a complete two-pulley unit used to adjust drive belt tension and regulate ground speed, playing a key role in the motion drive system. Replaces OEM part number 1001133MA and supersedes the earlier 1401035MA.

Compatible Models

Murray / Fits Briggs & Fits Stratton 30-Series Mid-Engine and Rear Engine Riders: 309300x30A, 309300x50A, 309311x692A, 309311x92A

Murray / Fits Briggs & Fits Stratton 38-Series Lawn Tractors: 385300x30A

Murray / Fits Briggs & Fits Stratton 42-Series Lawn Tractors: 425303x92A, 425303x92B, 425306x48A, 425307x24A, 425307x51A, 425308x31A

Murray / Fits Briggs & Fits Stratton 46-Series Lawn Tractors and Garden Tractors: 465305x92A, 465305x92B, 465306x31A, 465306x8A, 465306x8B, 465307x31A, 465307x51, 465617x51A

Also sold under Sears and Fits Craftsman branding. Fits additional models not listed above - verify by part number before ordering.

Replaces Part Number(s):

1001133MA, B11001133MA, A-B11001133MA-AI, 1401035MA

New aftermarket replacement part - not remanufactured, not used.