Moog 8551B Steering King Pin Set
OE Quality 60-Day Returns
Moog

Moog 8551B Steering King Pin Set

Brand Moog 8551B
Bearing Included Yes
Bushing Material Metal Bushing
Bushing Quantity 4
Bushings Included Yes
Keyway Length 1.980
King Pin Diameter 0.859
King Pin Length 6.670
Washers Included Yes
Fits Ford · 60 vehicles

Installation made simpler. Design enhancements help streamline replacement and service.

Metal bushings included. Built with durable bushings for dependable steering hardware.

Complete hardware set. Includes bushings, washers, and bearing for the king pin assembly.

Cross-references Anchor 300198, Centric Parts 604.65021 and Mevotech Supreme MS40927 for the same application. See all 23.

$103.91Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $103.91
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Steering King Pin Set options

Moog 8551B Steering King Pin Set

Moog 8551B is a steering king pin set for heavy-duty front-end service on select Ford vans and trucks. It includes metal bushings, washers, and a bearing, with sizing details that matter for accurate king pin replacement on older Ford steering systems.

Key Features

  • Steering king pin set for front steering hardware service
  • Includes bushings, washers, and bearing
  • Metal bushing construction
  • King pin length: 6.670 in.
  • King pin diameter: 0.859 in.
  • Keyway length: 1.980 in.
  • Moog engineering focuses on design updates that improve service life and simplify replacement

Product Details

This Moog 8551B king pin set is built for steering knuckle repair where precise pin diameter and length are critical. It is a direct-fit service part for select Ford E-100 Econoline, E-150 Econoline, F-100, and F-150 applications, including 1975-1991 Ford E-150 Econoline and E-150 Econoline Club Wagon, plus 1975-1983 Ford E-100 Econoline and E-100 Econoline Club Wagon. The part number 8551B is also used in cross-reference listings for related steering repair applications.

This part cross-references Mevotech Supreme MS40927 for the same application.

What It Helps Repair

  • Excessive steering play from worn king pin components
  • Front-end looseness caused by worn bushings or bearing surfaces
  • Steering knuckle wear on older Ford truck and van suspensions
  • Service issues tied to incorrect king pin sizing during rebuilds
  • Restoration work on Ford E-150 Econoline, F-150, and related chassis steering hardware

Installation Notes

Fitment includes 1975-1991 Ford E-150 Econoline and E-150 Econoline Club Wagon, 1975-1983 Ford E-100 Econoline and E-100 Econoline Club Wagon, and select 1980-1981 Ford F-100 and F-150 applications with configuration-specific notes. Bushings need to be sized during installation, and the metal bushing dimensions should be verified against the steering knuckle before assembly. Confirm axle, GVW, and production-date details for 1980-1981 Ford F-100 and F-150 models before installation.

Quality Assurance

Moog is known for chassis and steering components that incorporate design improvements aimed at extending service life and making replacement work more straightforward. Part number 8551B reflects that approach with a service-focused king pin set for older Ford steering systems.

This part fits 60 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
1991FordE-150 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1991FordE-150 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1990FordE-150 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1990FordE-150 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1989FordE-150 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1989FordE-150 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1988FordE-150 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1988FordE-150 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1987FordE-150 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1987FordE-150 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1986FordE-150 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1986FordE-150 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1985FordE-150 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1985FordE-150 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1984FordE-150 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1984FordE-150 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1983FordE-100 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1983FordE-100 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1983FordE-150 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1983FordE-150 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1982FordE-100 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1982FordE-100 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1982FordE-150 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1982FordE-150 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1981FordE-100 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1981FordE-100 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1981FordE-150 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1981FordE-150 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1981FordF-100RWDN/ABushings Need to be Sized on Installation; Thru 8/4/81; with 4,700 (lb) Gross Vehicle Weight (GVW); with Forged Axle; Contains Metal Bushing; with .8593 (in) x 6.670 (in)
1981FordF-100—N/ABushings Need to be Sized on Installation; Thru 8/81; with 4,700 (lb) Gross Vehicle Weight (GVW); Contains Metal Bushing; with .8593 (in) x 6.670 (in)
1981FordF-150RWDN/ABushings Need to be Sized on Installation; Thru 8/4/81; with 4,700 (lb) Gross Vehicle Weight (GVW); with Forged Axle; Contains Metal Bushing; with .8593 (in) x 6.670 (in)
1981FordF-150—N/ABushings Need to be Sized on Installation; Thru 8/81; with 4,700 (lb) Gross Vehicle Weight (GVW); Contains Metal Bushing; with .8593 (in) x 6.670 (in)
1980FordE-100 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1980FordE-100 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1980FordE-150 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1980FordE-150 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1980FordF-100RWDN/ABushings need to be sized on installation for a 4,700 lb gross vehicle weight (GVW) with forged axle and metal bushing, measuring .8593 in x 6.670 in.
1980FordF-100—N/ABushings Need to be Sized on Installation; with 4,700 (lb) Gross Vehicle Weight (GVW); Contains Metal Bushing; with .8593 (in) x 6.670 (in)
1980FordF-150RWDN/ABushings need to be sized on installation for a 4,700 lb gross vehicle weight (GVW) with forged axle and metal bushing, measuring .8593 in x 6.670 in.
1980FordF-150—N/ABushings Need to be Sized on Installation; with 4,700 (lb) Gross Vehicle Weight (GVW); Contains Metal Bushing; with .8593 (in) x 6.670 (in)
1979FordE-100 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1979FordE-100 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1979FordE-150 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1979FordE-150 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1978FordE-100 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1978FordE-100 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1978FordE-150 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1978FordE-150 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1977FordE-100 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1977FordE-100 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1977FordE-150 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1977FordE-150 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1976FordE-100 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1976FordE-100 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1976FordE-150 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1976FordE-150 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1975FordE-100 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1975FordE-100 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1975FordE-150 Econoline—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
1975FordE-150 Econoline Club Wagon—N/ABushings need to be sized on installation, contains metal bushing, with dimensions .8593 in x 6.670 in
Directly replaces or cross-references 23 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 300198Centric Parts — 604.65021Mevotech Supreme — MS4092745F0114262-1524530-111458500127091941A4-188D5UZ-3111AE-6453B-TUE6453BFAK4479FKP-61-BK528BKA290KB-524KB-524DCKB-528BKP2304M2366R200036SP621524