Moog 8540B Steering King Pin Set

Brand Moog 8540B
Bearing Included Yes
Bushing Material Metal Bushing
Bushing Quantity 4
Bushings Included Yes
Keyway Length 2.237
King Pin Diameter 0.859
King Pin Length 6.483
Washers Included Yes
Fits Ford · 20 vehicles

Installation simplified. Design enhancements help make replacement easier.

Metal bushings. Built with metal bushings for durable steering support.

Hardware included. Bushings, washers, and bearings are included.

Cross-references Anchor 300197, Mevotech Supreme MS40918 and 45F0113 for the same application. See all 22.

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Moog 8540B Steering King Pin Set

Moog 8540B is a steering king pin set for classic Ford truck front-end service, built around a metal bushing design with included bushings, washers, and bearings. It is a direct-fit service part for 1975-1979 Ford F-100, Ford F-150, and Ford F-250 applications that use the specified king pin dimensions.

Key Features

  • King pin length: 6.483 in.
  • King pin diameter: 0.859 in.
  • Metal bushing construction
  • Bushings included
  • Washers included
  • Bearings included
  • Bushing quantity: 4
  • Keyway length: 2.237 in.

Application Details

This steering king pin set is built for Ford truck steering service where the original king pin and bushing assembly matches the listed dimensions. Compatible With 1975-1979 Ford F-100, 1975-1979 Ford F-150, and 1975-1979 Ford F-250, including 1975-1979 Ford F-250 6200 lb and 6900 lb GVW vehicles with the same .8593 in. x 6.483 in. metal bushing specification. Moog 8540B also cross-references Anchor 300197 for the same application.

What It Helps Address

  • Steering looseness caused by worn king pin components
  • Excessive play in the front steering knuckle assembly
  • Uneven steering feel from worn bushings or bearings
  • Service issues on Ford F-100, F-150, and F-250 front-end hardware
  • Replacement needs where the original king pin dimensions must be matched exactly

Installation Notes

Verify king pin length, diameter, and keyway length before installation. Confirm the vehicle’s front steering hardware matches the listed .8593 in. x 6.483 in. metal bushing specification, especially on 1975-1979 Ford F-250 models with 6200 lb or 6900 lb GVW. Proper steering knuckle inspection, cleaning, and alignment checks should be completed during service.

Quality Assurance

Moog continually updates chassis components with design improvements aimed at extending service life and simplifying replacement. That engineering focus is why Moog is widely recognized in steering and suspension service for problem-solving replacement parts.

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody Type# DoorsDrive TypePositionNotes
1979FordF-100N/AContains Metal Bushing with dimensions .8593 (in) x 6.483 (in)
1979FordF-150N/AContains Metal Bushing with dimensions .8593 (in) x 6.483 (in)
1979FordF-250Standard Cab Pickup2 DoorN/AContains Metal Bushing with dimensions .8593 (in) x 6.483 (in)
1979FordF-250Cab & Chassis2 DoorN/AFor 6200 (lb) & 6900 (lb) GVW vehicles, contains metal bushing, with .8593 (in) x 6.483 (in) size.
1978FordF-100N/AContains Metal Bushing with dimensions .8593 (in) x 6.483 (in)
1978FordF-150N/AContains Metal Bushing with dimensions .8593 (in) x 6.483 (in)
1978FordF-250Standard Cab Pickup2 DoorN/AContains Metal Bushing with dimensions .8593 (in) x 6.483 (in)
1978FordF-250Cab & Chassis2 DoorN/AFor 6200 (lb) & 6900 (lb) GVW vehicles, contains metal bushing, with .8593 (in) x 6.483 (in) size.
1977FordF-100N/AContains Metal Bushing with dimensions .8593 (in) x 6.483 (in)
1977FordF-150N/AContains Metal Bushing with dimensions .8593 (in) x 6.483 (in)
1977FordF-250Standard Cab Pickup2 DoorN/AContains Metal Bushing with dimensions .8593 (in) x 6.483 (in)
1977FordF-250Cab & Chassis2 DoorN/AFor 6200 (lb) & 6900 (lb) GVW vehicles, contains metal bushing, with .8593 (in) x 6.483 (in) size.
1976FordF-100RWDN/AContains Metal Bushing with dimensions .8593 (in) x 6.483 (in)
1976FordF-150RWDN/AContains Metal Bushing with dimensions .8593 (in) x 6.483 (in)
1976FordF-250Standard Cab Pickup2 DoorN/AContains Metal Bushing with dimensions .8593 (in) x 6.483 (in)
1976FordF-250Cab & Chassis2 DoorN/AFor 6200 (lb) & 6900 (lb) GVW vehicles, contains metal bushing, with .8593 (in) x 6.483 (in) size.
1975FordF-100N/AContains Metal Bushing with dimensions .8593 (in) x 6.483 (in)
1975FordF-150N/AContains Metal Bushing with dimensions .8593 (in) x 6.483 (in)
1975FordF-250Standard Cab Pickup2 DoorN/AContains Metal Bushing with dimensions .8593 (in) x 6.483 (in)
1975FordF-250Cab & Chassis2 DoorN/AFor 6200 (lb) & 6900 (lb) GVW vehicles, contains metal bushing, with .8593 (in) x 6.483 (in) size.
Directly replaces or cross-references 22 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 300197Mevotech Supreme — MS4091845F0113262-1523530-1113604.65004585006D5TZ-3111AFAK4478FKP-60-BK35FK527BKA272KA319KB-523KB-523DCKB-523NDCKB-527BKP2302M2328R200035SP621523