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Moog K8478 Suspension Ball Joint - Front Upper
| Brand | Moog K8478 |
|---|---|
| Position | Front Upper |
| Material | Neoprene |
| Castle Nut Included | No |
| Suspension Grade Type | Standard |
| Cotter Pin Hole | No |
| Mounting Hole Quantity | 4 |
| Adjustable | No |
| Greaseable | Yes |
| Mounting Type | Bolt-on (4 bolt) |
| Fits | Ford · 12 vehicles |
Bolt-on installation. Four-bolt mounting helps make replacement fast and hassle-free.
Greaseable design. Allows routine lubrication for smoother operation and longer service life.
Neoprene material. Provides durable sealing and dependable performance.
Cross-references Mevotech Supreme MK8478, MOOG Chassis Products K8478 and 02-85010 for the same application. See all 21.
Moog K8478 Ball Joint for Ford Aerostar
MOOG K8478 is a bolt-on suspension ball joint built for front upper service on the 1986-1997 Ford Aerostar. It uses a greaseable design with a neoprene seal to support smoother operation and easier maintenance in daily driving and repair work.
Key Features
- Fits 1986-1997 Ford Aerostar, front upper
- Greaseable construction for routine lubrication service
- Neoprene material for sealing and wear resistance
- 4-bolt mounting type for bolt-on installation
- Standard suspension grade type
- MOOG part number K8478 for direct catalog lookup
Product Details
Built for the front upper suspension position, this MOOG ball joint is engineered for Ford Aerostar applications that require a bolt-on, 4-hole mounting design. The greaseable setup supports serviceability, while the neoprene component material helps protect the joint from contamination during normal road use. If you are replacing a worn front upper ball joint on a Ford Aerostar, K8478 provides a direct-fit service part reference for the listed model years. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Common Problems It Can Help Address
- Front-end looseness or play at the upper suspension joint
- Clunking or knocking from worn suspension components
- Uneven steering response caused by joint wear
- Grease loss or contamination at the joint area
- Service replacement for a damaged bolt-on ball joint
Installation Notes and Tips
Verify the front upper position and 4-bolt mounting pattern before installation. Inspect the surrounding suspension hardware, steering linkage, and mounting surfaces for wear or damage before reassembly. Because this part is greaseable, follow the vehicle service procedure for lubrication after installation and during routine maintenance. Confirm fitment against the vehicle’s year and suspension configuration before ordering.
Quality Assurance
MOOG ball joints are backed by material selection and testing practices focused on consistent performance and straightforward installation. K8478 is part of MOOG’s chassis product line for suspension service on the Ford Aerostar.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1997 | Ford | Aerostar | Front Upper | Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link. |
| 1996 | Ford | Aerostar | Front Upper | Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link. |
| 1995 | Ford | Aerostar | Front Upper | Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link. |
| 1994 | Ford | Aerostar | Front Upper | Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link. |
| 1993 | Ford | Aerostar | Front Upper | Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link. |
| 1992 | Ford | Aerostar | Front Upper | Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link. |
| 1991 | Ford | Aerostar | Front Upper | Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link. |
| 1990 | Ford | Aerostar | Front Upper | Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link. |
| 1989 | Ford | Aerostar | Front Upper | Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link. |
| 1988 | Ford | Aerostar | Front Upper | Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link. |
| 1987 | Ford | Aerostar | Front Upper | Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link. |
| 1986 | Ford | Aerostar | Front Upper | Enhanced lubrication improves steering performance for Suspension Stabilizer Bar Link. |
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