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DormanPart #: 539-992
Dorman 539-992 Suspension Ball Joint - Front Upper
⚙️ 11 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$32.65Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Lincoln, and Mercury, Aviator, Explorer, and Mountaineer
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Suspension Ball Joint options
Dorman 539-992 Suspension Ball Joint - Front Upper
| Brand | Dorman |
| Part Number | 539-992 |
| Material | Acero |
| Material | Steel |
| Maximum Outside Diameter | 61 |
| Length | 111 |
| Color | Grey |
| Color | Gris |
| Castle Nut Included | No |
| Castle Nut Included | Non |
| Grease Fitting Included | No |
| Grease Fitting Included | Non |
| Suspension Grade Type | Premium |
| Bushings Included | No |
| Bushings Included | Non |
| Dust Boot Included | Oui |
| Dust Boot Included | Sí |
| Dust Boot Included | Yes |
| Ball Joint Assembly | Oui |
| Ball Joint Assembly | Sí |
| Ball Joint Assembly | Yes |
| Width | 59 |
| Type | Roscado |
| Type | Threaded |
| Cotter Pin Included | No |
| Cotter Pin Included | Non |
| Cotter Pin Hole | No |
| Cotter Pin Hole | Non |
| Mounting Hardware Included | Oui |
| Mounting Hardware Included | Sí |
| Mounting Hardware Included | Yes |
| Washers Included | No |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Ford | Explorer | Front Upper | |
| 2005 | Lincoln | Aviator | Front Upper | |
| 2005 | Mercury | Mountaineer | Front Upper | |
| 2004 | Ford | Explorer | Front Upper | |
| 2004 | Lincoln | Aviator | Front Upper | |
| 2004 | Mercury | Mountaineer | Front Upper | |
| 2003 | Ford | Explorer | Front Upper | |
| 2003 | Lincoln | Aviator | Front Upper | |
| 2003 | Mercury | Mountaineer | Front Upper | |
| 2002 | Ford | Explorer | Front Upper | |
| 2002 | Mercury | Mountaineer | Front Upper |
* 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:
100800845D226846D2268A610.65018FA2159FA2159EGK80008JBJ889K80008MK80008TC2543TXK80008
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.