A-B11728000SM-AI PULLEY-IDLER 03.12 OD

One New Aftermarket Replacement Idler Pulley Fits Briggs & Fits Stratton (Simplicity, Snapper, Murray) Lawn Mowers

This aftermarket replacement idler pulley (3.12 inch OD) maintains proper belt tension and routing in the drive system of compatible riding lawn mowers and tractors. A worn or damaged idler pulley can cause belt slippage, squealing, or loss of drive engagement -- replacing it restores smooth, reliable belt operation.

Specifications

• Outside Diameter (OD): 3.12 in. (3-1/8 in.)
• Inside Diameter (ID): 3/8 in.
• Approximate dimensions: 4.00 x 1.13 x 4.00 in.
• Weight: approx. 0.33 lbs.

Compatible Models

Snapper NXT / ESPX Series: ESPX 17542 (2691217-00), NXT 19542 (2690846), NXT 19542 (2690942), NXT 2242 (2691023-00), ESPX 2046 (2691103-00), ESPX 2246 (2691104-00), ESPX 2246 (2691104-01), NXT 2346 (2690847), NXT 2346 (2690943), NXT 2346 (2690984-01), NXT 2346 (2690984), NXT 2346 (2691025), NXT 2452 (2691010)

Murray EMT / MT Series: EMT 125380 (2690936), EMT 155420 H (2690986), EMT 155420 H (2691080), MT 195420 H (2690929), EMT 20460 (2690843-01), MT 24520 H (2690930-01), MT 24520 H (2690930)

Simplicity Models: 2691171-00, 2691171-01, 2691278-00, 2691278-01, 2691331-00, 2691331-01, 2691330-00, 2691330-01, 2691330-02, 2691173-00, 2691174-00, 2691174-01, 2691333-01, 2691174-02, 2691240-00, 2691332-00, 2691332-01, 2691332-02, 2691333-00, 2691333-02

This part fits 300+ models across the Simplicity, Snapper, and Murray lineup. Verify fitment against your model and serial number before ordering.

Replaces Part Number(s):

1728000SM, 1728000

Aftermarket Interchange Numbers

A-B11728000SM-AI (aftermarket reference); also cross-references with 1728001SM on select models -- verify your specific model diagram

New aftermarket replacement part - not remanufactured, not used.