NTTL18992 Treadmill Motor Belt Model: NTTL18992 NordicTrack Apex 4100 Treadmill Our Part: WB174654 Quantity on Model: 1 Weight: 0.170 lbs. $33.99 (Excl. Tax) Add to Basket 0% Complete [divider] On 10/24/2018 / WalkingBeltsLLC Tags: NTTL18992 [divider]