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STT-31BSG (S/N 6830001-6839999)
Troy-Bilt 1128
BELT (INDUSTRY NUMBER) 4L880
Dimensions: Length: 183-3/8"
Tanaka 32308
John Deere Mower Deck Drive Idler Pulley AUC11584 (OEM KOYO DG1945BRKA) Proslide XT Part STT-31BSG (S/N 6830001-6839999)Commercial grade OEM replacement idler pulley for John Deere part number AUC11584 using the KOYO DG1945BRKA bearing. This pulley now also replaces part number TCA17135. It is primarily used on 900 series ZTrak models but also fits specific 700 and 800 series ZTraks. Please match part number in your specific mower's parts diagram to verify fitment. Fits the following John Deere models: Z710, Z720, Z810, Z820, Z830, Z840, Z850, Z860, Z910, Z915, Z920,
