Mevotech MS40971 Steering Idler Arm - Front

Brand Mevotech MS40971
Position Front
Attachment Method Bolt to Frame
Bearing Type Sintered Metal
Castle Nut Included Yes
Cotter Pin Included Yes
Dust Boot Included Yes
Friction Material Thickness Corrosion Resistant
Grease Fitting Included Yes
Greaseable Yes
Length 20.20
Lock Nut Included Yes
Nut Wrench Size 0.83, 0.94
Pre-Greased Yes
Width 5.87
Fits Ford · 26 vehicles

Corrosion-resistant finish. Helps protect the steering idler arm from wear and the elements.

Pre-greased design. Ready for installation with a grease fitting for future service.

Bolt-to-frame attachment. Includes castle nut, cotter pin, lock nut, and dust boot.

Cross-references Delphi TA5783, MOOG Chassis Products K400026 and MOOG Chassis Products K400027 for the same application. See all 6.

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Mevotech MS40971 Steering Idler Arm

The Mevotech MS40971 steering idler arm is a front steering replacement for Ford Super Duty trucks that need stable linkage support and precise steering response. Built as a complete assembly for select applications, it includes corrosion-resistant protection and serviceable components for long-term maintenance.

Key Features

  • Fits 2011-2021 Ford F-250 Super Duty, front
  • Fits 2011-2021 Ford F-350 Super Duty, front
  • Fits 2022-2023 Ford F-250 Super Duty, front
  • Fits 2022-2023 Ford F-350 Super Duty, front
  • Pre-greased with a grease fitting for routine service
  • Corrosion-resistant finish for added protection
  • Bolt-to-frame attachment for direct replacement fitment
  • Sintered metal bearing type with dust boot included
  • Castle nut, lock nut, cotter pin, and grease fitting included

Detailed Description

Mevotech MS40971 is a steering idler arm engineered for Ford F-250 Super Duty and Ford F-350 Super Duty front steering applications. It is built with a sintered metal bearing, pre-greased construction, and a corrosion-resistant finish to support dependable steering linkage operation. The assembly also includes a dust boot, grease fitting, castle nut, lock nut, and cotter pin, making it a serviceable replacement for worn front steering hardware. This part cross-references Delphi TA5783 for the same application.

Common Problems This Part Can Address

  • Excessive steering play in the front linkage
  • Clunking or looseness from a worn idler arm
  • Uneven steering response caused by steering support wear
  • Grease loss or contamination at the steering pivot
  • Corrosion-related deterioration on the steering assembly

Installation Notes and Tips

Verify year, model, and front-position fitment before installation. The bolt-to-frame design supports direct replacement on listed Ford Super Duty applications, and the included grease fitting allows periodic lubrication after installation. Confirm nut wrench sizes of 0.83 and 0.94 during service, and inspect adjacent steering components for wear while the front linkage is apart.

Quality Assurance

Mevotech supplies this idler arm with corrosion-resistant protection, pre-greased internals, and serviceable hardware for the listed Ford F-250 Super Duty and Ford F-350 Super Duty applications. Part number MS40971 is built to meet the needs of front steering replacement service on these trucks.

This part fits 26 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
2023FordF-250 Super DutyRWDFrontSuperior OE Replacement; Greaseable; Anti-corrosion Coating;
2023FordF-350 Super DutyRWDFrontSuperior OE Replacement; Greaseable; Anti-corrosion Coating;
2022FordF-250 Super DutyRWDFrontSuperior OE Replacement; Greaseable; Anti-corrosion Coating;
2022FordF-350 Super DutyRWDFrontSuperior OE Replacement; Greaseable; Anti-corrosion Coating;
2021FordF-250 Super DutyRWDFrontComplete assembly
2021FordF-350 Super DutyRWDFrontComplete assembly
2020FordF-250 Super DutyRWDFrontComplete assembly
2020FordF-350 Super DutyRWDFrontComplete assembly
2019FordF-250 Super DutyRWDFrontComplete assembly
2019FordF-350 Super DutyRWDFrontComplete assembly
2018FordF-250 Super DutyRWDFrontComplete assembly
2018FordF-350 Super DutyRWDFrontComplete assembly
2017FordF-250 Super DutyRWDFrontComplete assembly
2017FordF-350 Super DutyRWDFrontComplete assembly
2016FordF-250 Super DutyRWDFrontComplete assembly
2016FordF-350 Super DutyRWDFrontComplete assembly
2015FordF-250 Super DutyRWDFrontComplete assembly
2015FordF-350 Super DutyRWDFrontComplete assembly
2014FordF-250 Super DutyRWDFrontComplete assembly
2014FordF-350 Super DutyRWDFrontComplete assembly
2013FordF-250 Super DutyRWDFrontComplete assembly
2013FordF-350 Super DutyRWDFrontComplete assembly
2012FordF-250 Super DutyRWDFrontComplete assembly
2012FordF-350 Super DutyRWDFrontComplete assembly
2011FordF-250 Super DutyRWDFrontComplete assembly
2011FordF-350 Super DutyRWDFrontComplete assembly
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Delphi — TA5783MOOG Chassis Products — K400026MOOG Chassis Products — K400027BC3Z3A034AFA5058EHC3Z3350A