HomeSuspension > Suspension, Springs and Related ComponentsDorman 540-004 Suspension Ball Joint - Front Lower
Part #: 540-004

Dorman 540-004 Suspension Ball Joint - Front Lower

Front Lower
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Dorman 540-004 Suspension Ball Joint

Dorman 540-004 is a threaded suspension ball joint built as a direct replacement for the original equipment design on specific vehicles. It is engineered and tested for dependable steering and suspension service, with a steel body, tapered stud, and included dust boot for added joint protection.

Key Features

  • Threaded, press-in suspension ball joint for OE-style replacement
  • Steel construction with gray finish
  • Dust boot included to help protect the joint from road contamination
  • Greaseable design for serviceable lubrication
  • Mounting hardware included
  • Premium suspension grade type
  • 12 mm wrench size and tapered stud design

Detailed Description

This Dorman suspension ball joint, part number 540-004, is made for specific vehicle applications that use a threaded, press-in mounting style. The steel construction and greaseable design support long-term suspension service, while the dust boot helps shield the joint from dirt and moisture. For shoppers searching for a Dorman 540-004 ball joint, OE replacement suspension ball joint, or threaded press-in ball joint for Ford and related applications, this part is built to match the original fit and function requirements of the vehicle platform.

This part cross-references MOOG Chassis Products (e.g., K500141, K500141T005) for the same application.

What It Helps Fix

  • Front-end looseness or play in the suspension
  • Clunking or knocking noises from worn ball joint components
  • Uneven tire wear caused by suspension joint wear
  • Steering instability or wandering at the wheel
  • Failed inspection due to excessive suspension movement

Installation Notes and Tips

Verify vehicle application before installation, since fitment is application-specific and no universal year, make, or model list is provided here. Confirm the threaded, press-in mounting style, stud type, and wrench size before service. Use proper suspension service procedures and inspect related control arm and steering components during replacement. Search terms such as Dorman 540-004 suspension ball joint, Ford ball joint replacement, and threaded press-in ball joint for Ford applications are commonly used by buyers comparing this part.

Quality Assurance

Dorman states that this ball joint is precision-engineered and rigorously tested to provide a reliable OE replacement on the specified vehicles. The premium suspension grade, steel construction, and serviceable greaseable design support consistent performance in everyday suspension use.

BrandDorman
Part Number540-004
MaterialAcero
MaterialSteel
Maximum Outside Diameter61
Length111
ColorGray
ColorGris
Castle Nut IncludedNo
Castle Nut IncludedNon
Grease Fitting IncludedNo
Grease Fitting IncludedNon
Suspension Grade TypePremium
Bushings IncludedNo
Bushings IncludedNon
Dust Boot IncludedOui
Dust Boot Included
Dust Boot IncludedYes
Ball Joint AssemblyOui
Ball Joint Assembly
Ball Joint AssemblyYes
Width59
TypeRoscado
TypeThreaded
Cotter Pin IncludedNo
Cotter Pin IncludedNon
Cotter Pin HoleNo
Cotter Pin HoleNon
Mounting Hardware IncludedOui
Mounting Hardware Included
Mounting Hardware IncludedYes
Washers IncludedNo

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

45D239146D2391A5C3Z3050BB610.65052BC3Z3050ABC3Z3050DFA2330FA2330EGS40505HC3Z3050AJBJ1169K500141K500141T005K500243MCF2347MCS0E90MS40505MS40506TC4231TC5529TXMS40505

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.