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Delphi TC409 Suspension Ball Joint - Front Lower
| Brand | Delphi TC409 |
|---|---|
| Position | Front Lower |
| Adjustable | No |
| Ball Joint Assembly | Yes |
| Bushing Quantity | 0 |
| Castle Nut Included | No |
| Color | Silver |
| Cotter Pin Hole | No |
| Cotter Pin Included | No |
| Distance Between Mounting Holes | 35.0 |
| Distance Between Mounting Holes | 44.0 |
| Dust Boot Included | Yes |
| Dust Boot Material | Choloroprene Rubber (CR) |
| Grease Fitting Included | No |
| Greaseable | No |
| Height | 3.307 |
| Item Grade | Standard Replacement |
| Material | Ball Material - Alloy Steel SAE 5140, Housing Material - Carbon Steel SAE 1040 |
| Maximum Outside Diameter | 1.693 |
| Maximum Outside Diameter | 43.0 |
| Mount Plate Included | No |
| Mounting Bolt Head Diameter | 16.0 |
| Mounting Bolt Head Diameter | 19.6 |
| Mounting Bolt Length | 35.0 |
| Mounting Bolt Length | 36.4 |
| Mounting Bolt Shank Diameter | 10.0 |
| Mounting Bolt Shank Diameter | 10.5 |
| Mounting Bolt Thread Length | 22.0 |
| Mounting Bolt Thread Length | 30.0 |
| Mounting Bolt Thread Pitch | 1.25 |
| Mounting Bolts Included | Yes |
| Mounting Hardware Included | Yes |
| Mounting Hole Quantity | 3 |
| Mounting Type | Bolt In |
| Nuts Included | Yes |
| Stud Tapered End 1 Diameter | 0.61 |
| Stud Tapered End 1 Diameter | 15.5 |
| Stud Tapered End 2 Diameter | 0.709 |
| Stud Tapered End 2 Diameter | 18.0 |
| Stud Thread Diameter | 14.0 |
| Stud Thread Length | 0.76 |
| Stud Thread Length | 19.3 |
| Stud Thread Pitch | 1.5 |
| Stud Type | Threaded |
| Suspension Grade Type | Standard |
| Tapered Stud | Yes |
| Type | Premium |
| Washers Included | Yes |
| Width | 70.0 |
| Fits | Chevrolet and Toyota · 9 vehicles |
Standard replacement. OE expertise and dimensional analysis help ensure compatibility.
Bolt-in design. Includes mounting hardware for a straightforward installation.
Dust boot included. Helps protect the joint from dirt and moisture.
Cross-references Mevotech Supreme MK9342, MOOG Chassis Products K9342 and 101-3974 for the same application. See all 7.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Delphi TC409 Front Lower Ball Joint
Delphi TC409 is a premium suspension ball joint built for front lower applications on select Chevrolet Nova and Toyota Corolla models. It combines OE-style dimensional control with durable materials to support precise steering and suspension movement.
Key Features
- Front lower suspension ball joint for select 1984-1988 Toyota Corolla and 1985-1988 Chevrolet Nova applications
- Ball material: alloy steel SAE 5140 with carbon steel SAE 1040 housing
- Dust boot included with chloroprene rubber construction
- Bolt-in mounting type with mounting hardware, washers, nuts, and mounting bolts included
- Standard replacement grade with non-greaseable, sealed design
- Tapered stud design with threaded stud connection
- Delphi part number TC409
Detailed Description
Delphi TC409 is engineered as a front lower suspension ball joint for 1984-1988 Toyota Corolla and 1985-1988 Chevrolet Nova models. Delphi applies OE-focused dimensional and material analysis to help ensure proper fit and consistent suspension geometry, making this part a direct choice for front lower service on these vehicles. The sealed, non-greaseable design uses a dust boot to help protect the joint from contamination, while the alloy steel ball and carbon steel housing provide a durable service construction. Delphi TC409 is also referenced by part number TC409 for easy catalog matching.
This part cross-references MOOG Chassis Products K9342 and Mevotech Supreme MK9342 for the same application.
What It Helps Fix
- Front suspension looseness or play
- Clunking or knocking from the front lower suspension
- Uneven steering response caused by worn ball joint components
- Excessive movement at the lower control arm connection
- Wear-related alignment instability on Toyota Corolla and Chevrolet Nova front suspension systems
Installation Notes and Tips
Fits 1984-1988 Toyota Corolla, front lower. Fits 1985-1988 Chevrolet Nova, front lower. Confirm the mounting style, stud taper, and hole spacing against the original part before installation. Because this is a bolt-in front lower ball joint, proper torque and alignment checks after installation are important for correct suspension operation.
Quality Assurance
Delphi tests steering and suspension components across extreme temperature and corrosion conditions, including sub-zero and high-heat exposure and extended salt-spray testing. That OE-focused validation supports consistent fit and durability for front suspension service on Toyota Corolla and Chevrolet Nova applications.
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1988 | Chevrolet | Nova | — | Front Lower | — |
| 1988 | Toyota | Corolla | — | Front Lower | — |
| 1987 | Chevrolet | Nova | — | Front Lower | — |
| 1987 | Toyota | Corolla | FWD | Front Lower | — |
| 1986 | Chevrolet | Nova | — | Front Lower | — |
| 1986 | Toyota | Corolla | FWD | Front Lower | — |
| 1985 | Chevrolet | Nova | — | Front Lower | — |
| 1985 | Toyota | Corolla | FWD | Front Lower | — |
| 1984 | Toyota | Corolla | FWD | Front Lower | — |
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