AYP 173437 and 532173437 Flat Idler Pulley

$14.95

3/8"x3-7/8" flat idler pulley for AYP/Roper/Sears, which also fits Husqvarna.


Replaces AYP part numbers 173437 and 532173437. 173437 is the old part number, which has been replaced by 532173437. If your mower calls for the old part number, this is the idler pulley you need.


Please ensure this is the correct part for your machine by matching the part number your mower calls for to the list of part numbers below. If you need help determining if this is the idler pulley you need, please email us for assistance!


Fits 42" decks from 2000 and up.


Replaces OEM Part Numbers:

  • AYP/ROPER/SEARS 173437
  • AYP/ROPER/SEARS 532173437
  • HUSQVARNA 532173437


Known to Fit the Following Models:


(This list may be incomplete)



  • Poulan Pro Lawn Tractor: 279370, BB 18542 LT (960120027-00), BB 18542 LT (960120027-01), BB 185H42 LT (960120028-00), BB 185H42 LT (960120028-01), BB 185H42 YT (960120036-00), BB 185H42 YT (960120036-01), BB 24H42 YT (960120035-00), BB 24H42 YT (960120035-01), CN 1842ST A, CO 1842ST A, CO 18542ST A, CO 18542ST B, CO 18542ST C, CO 185H42ST A, CO 185H42ST B, CO 185H42ST C, CO 18H42ST A, DB 18542 YT (960120029-00), DB 185H42 YT (960120030-00), DB 185H42 YT (960120030-01), DB 24H42 YT (960120031-00), DPR 22H48ST A and DB 24H42 YT (960120031-01)
  • Electrolux/AYP Lawn Tractor: DPR 20H42ST A
  • Husqvarna 42" Lawn Tractor: LTH 1342 (954567031-A), LTH 1342 (954567031-B), LTH 1342 (954567031-C), LTH 1342 (954568519-A), LTH 1342 (954568519-B), LTH 1542 (954170086-A), LTH 1542 (954170086-B), YTH 1342 XP (954569332-A), YTH 1542 (954567048-A), YTH 1542 (954567048-B), YTH 1542 (954567048-C), YTH 1542 (954567048-D), YTH 1542 (954567048-E), YTH 1542 (954567048), YTH 1542 (954567048), YTH 1542 (954567048), YTH 1542 (954567048), YTH 1542 (954568526-A), YTH 1542 (954568526-B), YTH 1542 (954568526), YTH 1542 (954568526), YTH 1542 XP (954170056-A), and YTH 1542 XP (954170056-B)


Dimensions:

  • ID: 3/8"
  • OD: 3-7/8"
  • HEIGHT: 1-1/4"



Have a question about this product? Email us for assistance and tell us you are looking at SKU 11632.

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