Hustler OEM 129208-3 Hydraulic Drive Idler Arm The Genuine Hustler OEM 129208-3 Idler Arm is a Factory Replacement Component used in Select Hustler Hydro Drive Belt Drive Systems. This Part Helps Maintain Proper Belt Tension and Alignment by Transferring Tension from the Tension Spring to the Hydraulic Belt Via the Idler Pulley. Hustler 129208-3 is Made to Maintain Variable Adjustment on the Hydraulic Drive Belt - Losing the Variable Adjustment Ability Will Cause the Belt to Lose Tension. Whenever Replacing Either, The Idler Arm or the Pivot Bushing, it is Recommend Checking Each (Idler Arm & Pivot Bushings) for Wear to Determine if Both (Idler Arm & Pivot Bushings) Should be Replaced at the Same Time. Worn Idler Arms Will Cause: Belts to Slip from Not Maintaining Constant Tension Cause Jerking or the Loss of Drive Traction Creating Chattering Noise of the Belt / Hydro & Engine Pulley Making Inconsistent Contact Cause Inconsistent Drive Tracking Cause Inconsistent & Consistent Belt Burn and Taring Cause Belt Snapping or Tearing Hydraulic Drive Belt & Pulleys Mis-Alignment Causing the Hydraulic Belt to Consistently & Progressively Come Off Causing Loss of Drive Traction Cause Inconsistent Belt Wear, Tearing and Snapping ⚠️ Before You Order – Verify Fitment Hustler Uses Multiple Idler Tensioner Arms Designs Depending on Mower Model, Mower Design, and Production Age. Idler Arms are Not a One Part Number Fits All Models So Be Sure to Refer to the Model Fit Chart for an Accurate Break down of Specific Model Number Usage Before Ordering. Not sure? Contact us with your Hustler Model and Serial Number and We’ll Help Verify Fitment. What This Part Does Maintains Proper Hydraulic Drive Belt Tension Supports Correct Belt/Pulley Alignment and Tracking Helps Prevent Belt Slippage and Premature Belt Wear Genuine Hustler OEM Replacement Part for Correct Fit and Function Part Details Brand: Hustler Part Number: 129208-3 Supersession: n/a Product Type: Hydraulic Tensioner Idler Arm Application: Hydraulic Drive Belt Tension / Idler Pulley Support Material: Steel/Metal OEM: Genuine Hustler Associated Parts Refer to the Detail Parts Diagrams in the Images for Additional Parts Info. Fits These Hustler Models/Families Verify your model number is Listed in the Model Fit Chart Below before ordering. X-RIDE (All Models) Model Fit Chart X-RIDE (All Models) 944074, 944868 Important Replacement Notes & Helps When Experiencing Belt Slipping Before Replacing the Idler Arm Alway Evaluate the Problem First - Refer to the Directions & Drive Belt Helps Below or in the Images Above for Proper Evaluation and Adjustment of the Drive Belt Whenever Replacing the Hydro Drive Components from Wear, it is Always Recommended to Evaluate and Replace the Hydraulic Drive Belt - If Replacing the Hydraulic Drive Belt, the Belt Requires Proper Spring Tension Adjustment. Refer to Instructions Below, refer to the Direction in the Images Above or Contact us here at Hilly Ridge if Further Assistance is Needed with finding Proper Spring Tension Measurements and Directions. Whenever Replacing Hydro Drive Components Whether or Not Replacing the Hydraulic Drive Belt, the Hydraulic Drive Belt Tension Will Require the Spring Tension Adjustment to Be Readjusted. Refer to Instructions Below, refer to the Direction in the Images Above or Contact us here at Hilly Ridge if Further Assistance is Needed with finding Proper Spring Tension Measurements and Directions.
