The STIGA 1135375301 tension arm is an original equipment manufacturer (OEM) part designed for various STIGA Estate and Tornado series ride-on mowers. This essential component maintains proper belt tension, crucial for efficient power transmission and reliable operation of your lawn tractor. Constructed to STIGA's exact specifications, it ensures durability and a precise fit for models including Estate 3084 H, 5092 HW, 5102 H, 6102 HW, 7102 HWS, 7122 HWSY, 9102 HWS, 9122 HWSY, and Tornado 3098 H, 5108 H, 7108 HWS, 7128 HWSY, 9108 HWS, 9128 HWSY.