HomeSuspension > Suspension, Springs and Related ComponentsDelphi TC6321 Suspension Control Arm and Ball Joint Assembly - Front Right Lower
Part #: TC6321

Delphi TC6321 Suspension Control Arm and Ball Joint Assembly - Front Right Lower

Front Right Lower
9 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford and Lincoln, F-150 and Mark LT
Easy Returns — Return within 60 days for a full refund
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Delphi Suspension Control Arm and Ball Joint Assembly Overview

The Delphi TC6321 suspension control arm and ball joint assembly is designed for front right lower positioning on Ford F-150 and Lincoln Mark LT models. This pre-greased, greaseable assembly ensures reliable suspension performance and durability for your vehicle's front suspension system.

  • Pre-greased and grease fitting included for easy maintenance
  • Durable aluminum control arm with casting and forging construction
  • Natural rubber bushings included for vibration dampening
  • Press-in ball joint with threaded stud for secure mounting
  • Includes mounting hardware for straightforward installation
  • Compatible with Ford F-150 and Lincoln Mark LT front right lower suspension

Durable Construction and Design Features

The Delphi TC6321 control arm and ball joint assembly features a robust aluminum control arm constructed through casting and forging processes, providing strength while reducing weight. The natural rubber bushings help absorb road vibrations, improving ride quality. The ball joint is designed with a press-in mounting type and a threaded stud, ensuring a secure and reliable connection to the suspension system. This assembly is pre-greased and includes a grease fitting, allowing for easy lubrication and extended service life. With four mounting holes of varying diameters, the control arm fits precisely in the front right lower position of compatible vehicles.

Compatible Vehicles and Applications

This suspension control arm and ball joint assembly is specifically compatible with Ford F-150 and Lincoln Mark LT models. It is designed to replace the front right lower suspension control arm, restoring proper alignment and handling characteristics. The part number TC6321 ensures you receive the correct fitment for these vehicles.

  • Restores front right lower suspension control arm function
  • Addresses worn or damaged ball joints causing steering issues
  • Eliminates excessive suspension noise and vibration
  • Corrects alignment problems related to control arm wear
  • Improves overall vehicle handling and stability

Installation Notes and Tips

When installing the Delphi TC6321 control arm and ball joint assembly, ensure the vehicle is securely lifted and supported. The assembly comes pre-greased and includes a grease fitting for future maintenance. Use the included mounting hardware and verify torque specifications according to the vehicle manufacturer’s guidelines. Regularly inspect and lubricate the ball joint through the grease fitting to maintain optimal performance.

Quality Assurance and Warranty

Delphi suspension components meet standard replacement grade requirements, providing reliable performance for Ford F-150 and Lincoln Mark LT vehicles. The TC6321 assembly is manufactured to strict quality standards to ensure durability and fitment accuracy. Please refer to Delphi’s warranty policy for specific coverage details.

BrandDelphi
Part NumberTC6321
Pre-GreasedYes
Grease Fitting IncludedYes
Bushings IncludedYes
Ball Joint Mounting TypePress in
Ball Joint Stud TypeThreaded
Control Arm ConstructionCasting/forged
Control Arm MaterialAluminum
Mounting Hardware IncludedYes
Mounting Hole Quantity4
AdjustableNo
GreaseableYes
Control Arm Maximum Width19.7
Control Arm Maximum Width500.5
Ball Joint Stud Length108.0
Ball Joint Stud Length4.25
Control Arm Maximum Length22.34
Control Arm Maximum Length567.5
Bushing MaterialNatural rubber (nr)
Mounting Hole Diameter0.49
Mounting Hole Diameter0.73
Mounting Hole Diameter0.81
Mounting Hole Diameter12.5
Mounting Hole Diameter18.5
Mounting Hole Diameter20.5
Item GradeStandard replacement
Position(s)Front right lower

This part fits 9 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2008FordF-150Front Right Lowerwith 7 Stud Rotor
2008LincolnMark LTFront Right Lowerwith 7 Stud Rotor
2007FordF-150Front Right Lowerwith 7 Stud Rotor
2007LincolnMark LTFront Right Lowerwith 7 Stud Rotor
2006FordF-150Front Right Lowerwith 7 Stud Rotor
2006LincolnMark LTFront Right Lowerwith 7 Stud Rotor
2005FordF-150Front Right Lowerwith 7 Stud Rotor
2004FordF-150RWDFront Right Lowerwith 7 Stud Rotor
2004FordF-1504WDFront Right Lowerwith 7 Stud Rotor

* 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:

4L3Z 3078-BA520-392CB85194CB85194PRRK80401

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