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Delphi TC327 Suspension Ball Joint - Front Upper
| Brand | Delphi TC327 |
|---|---|
| Position | Front Upper |
| Adjustable | No |
| Ball Joint Assembly | Yes |
| Bushings Included | No |
| Castle Nut Included | No |
| Color | Gray |
| Cotter Pin Hole | No |
| Cotter Pin Included | No |
| Distance Between Mounting Holes | 69.0 |
| Dust Boot Included | Yes |
| Dust Boot Material | Choloroprene Rubber (CR) |
| Grease Fitting Included | No |
| Height | 3.591 |
| Height | 91.2 |
| Item Grade | Standard Replacement |
| Length | 89 |
| Material | Steel |
| Maximum Outside Diameter | 3.504 |
| Maximum Outside Diameter | 89.0 |
| Mount Plate Included | No |
| Mounting Bolt Head Diameter | 0.567 |
| Mounting Bolt Head Diameter | 14.4 |
| Mounting Bolt Length | 1.102 |
| Mounting Bolt Length | 28.0 |
| Mounting Bolt Shank Diameter | 0.315 |
| Mounting Bolt Shank Diameter | 8.0 |
| Mounting Bolt Thread Diameter | 12.0 |
| Mounting Bolt Thread Length | 0.984 |
| Mounting Bolt Thread Length | 25.0 |
| Mounting Bolt Thread Pitch | 1.25 |
| Mounting Bolts Included | Yes |
| Mounting Hardware Included | Yes |
| Mounting Hole Quantity | 4 |
| Mounting Type | Bolt On |
| Nuts Included | Yes |
| Stud Tapered End 1 Diameter | 0.602 |
| Stud Tapered End 1 Diameter | 15.3 |
| Stud Tapered End 2 Diameter | 0.669 |
| Stud Tapered End 2 Diameter | 17.0 |
| Stud Thread Diameter | 0.551 |
| Stud Thread Diameter | 14.0 |
| Stud Thread Length | 0.748 |
| Stud Thread Length | 19.0 |
| Stud Thread Pitch | 1.5 |
| Stud Type | Threaded |
| Suspension Grade Type | Standard |
| Tapered Stud | Yes |
| Washers Included | Yes |
| Width | 61.2 |
| Wrench Size | 0.512 |
| Wrench Size | 13.0 |
| Fits | Toyota · 6 vehicles |
Standard replacement. OE-style fit with bolt-on installation and included mounting hardware.
Steel construction. A dust boot helps protect the joint from wear and contamination.
OE expertise. Built with dimensional and material analysis for compatibility.
Cross-references Mevotech Supreme MK9626, 101-4056 and 43350-29036 for the same application. See all 7.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Delphi TC327 Front Upper Ball Joint
Delphi TC327 is a standard replacement suspension ball joint built for the front upper position on select Toyota Van applications. It combines a steel body, tapered threaded stud, and dust boot to support precise suspension articulation and OE-style fitment for service work on the front end.
Fits 1984-1989 Toyota Van, front upper. This Delphi TC327 ball joint is built for direct replacement service on the Toyota Van front suspension, with dimensional and material checks aimed at matching OE requirements.
Key Features
- Steel construction with gray finish
- Ball joint assembly included
- Dust boot included; chloroprene rubber (CR) material
- Bolt-on mounting type with 4 mounting holes
- Tapered threaded stud design for secure suspension connection
- Standard replacement suspension grade
- Mounting bolts, nuts, and washers included
- Designed for front upper installation on Toyota Van models
Detailed Description
Delphi TC327 is engineered as a standard replacement suspension ball joint for the front upper location on 1984-1989 Toyota Van models. Delphi applies OE-focused dimensional and material analysis to help ensure proper part matching, and the component is tested across extreme temperature ranges and salt-spray exposure to evaluate durability in demanding service conditions. The steel housing, tapered stud, and protective dust boot support stable steering and suspension movement where the upper ball joint connects the front suspension assembly.
This part cross-references Mevotech Supreme MK9626 for the same application. Delphi TC327 is also associated with OE-style interchange numbers including 101-4056 and K9626, making it a practical reference when sourcing a Toyota Van front upper ball joint replacement.
What It Helps Address
- Front-end looseness or play at the upper ball joint
- Clunking or knocking from the front suspension
- Uneven tire wear related to worn suspension joints
- Steering wander caused by excessive joint movement
- Restoration of proper suspension articulation on Toyota Van front upper applications
Installation Notes and Tips
Verify the front upper mounting pattern, stud taper, and thread specifications before installation. Inspect the surrounding control arm and hardware surfaces for wear, corrosion, or distortion, and replace damaged mounting points as needed. Because this is a bolt-on design, proper torque and alignment procedures are important after installation to help maintain correct suspension geometry.
Quality Assurance
Delphi uses OE-oriented testing and dimensional analysis for aftermarket steering and suspension parts. TC327 is evaluated for temperature extremes below -40 degrees C and above 120 degrees C, and it is exposed to 720 hours of salt spray to assess corrosion resistance and durability under harsh conditions.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1989 | Toyota | Van | RWD | Front Upper | — |
| 1988 | Toyota | Van | RWD | Front Upper | — |
| 1987 | Toyota | Van | RWD | Front Upper | — |
| 1986 | Toyota | Van | — | Front Upper | — |
| 1985 | Toyota | Van | — | Front Upper | — |
| 1984 | Toyota | Van | — | Front Upper | — |
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