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Dorman 540-056 Suspension Ball Joint - Front Upper
Dorman 540-056 Front Upper Ball Joint
Dorman 540-056 is a premium suspension ball joint engineered as a direct replacement for the original equipment on select Chevrolet Colorado, GMC Canyon, and Isuzu applications. It is built from steel with a threaded design, dust boot, and bolt-in mounting style for front upper suspension service.
Key Features
- Steel construction for suspension durability
- Threaded ball joint design
- Front upper position application
- Dust boot included to help protect the joint
- Bolt-in mounting type with 3 mounting holes
- Premium suspension grade type
- Wrench size: 12 mm
- Part number: 540-056
Detailed Description
This Dorman suspension ball joint is precision-engineered and tested for reliable OE-style replacement on specific vehicles. It is designed for the front upper suspension position on 2004-2012 Chevrolet Colorado and 2004-2012 GMC Canyon, plus 2006 Isuzu i-350 and 2007-2008 Isuzu i-370 front upper applications. The assembly uses a tapered stud, includes mounting hardware, and does not use a grease fitting, cotter pin, or bushings. For buyers searching for a front upper ball joint for Chevrolet Colorado or GMC Canyon, Dorman 540-056 provides a direct-fit service part for the listed applications.
This part cross-references MOOG Chassis Products K80984 for the same application.
What It Helps Address
- Front-end looseness or play at the upper suspension joint
- Clunking or knocking from the front suspension
- Uneven steering response caused by worn joint components
- Suspension noise during turning or road impact
- Replacement needs on worn Chevrolet Colorado, GMC Canyon, or Isuzu front upper joints
Installation Notes and Tips
Verify vehicle year, make, model, and front upper position before installation. This application is listed for vehicles without pre-mounted studs. Confirm the tapered stud fitment and 12 mm wrench size during service, and inspect surrounding suspension components for wear before reassembly.
Quality Assurance
Dorman manufactures this ball joint as a premium replacement component and subjects it to testing for reliable service on the specified OE applications. The steel body, dust boot, and bolt-in design support consistent fitment for the listed Chevrolet Colorado, GMC Canyon, and Isuzu models.
| Brand | Dorman |
|---|---|
| Part Number | 540-056 |
| 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 21 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2012 | Chevrolet | Colorado | RWD | Front Upper | wo/Pre-mounted Studs |
| 2012 | GMC | Canyon | RWD | Front Upper | wo/Pre-mounted Studs |
| 2011 | Chevrolet | Colorado | RWD | Front Upper | wo/Pre-mounted Studs |
| 2011 | GMC | Canyon | RWD | Front Upper | wo/Pre-mounted Studs |
| 2010 | Chevrolet | Colorado | RWD | Front Upper | wo/Pre-mounted Studs |
| 2010 | GMC | Canyon | RWD | Front Upper | wo/Pre-mounted Studs |
| 2009 | Chevrolet | Colorado | RWD | Front Upper | wo/Pre-mounted Studs |
| 2009 | GMC | Canyon | RWD | Front Upper | wo/Pre-mounted Studs |
| 2008 | Chevrolet | Colorado | RWD | Front Upper | wo/Pre-mounted Studs |
| 2008 | GMC | Canyon | RWD | Front Upper | wo/Pre-mounted Studs |
| 2008 | Isuzu | i-370 | 4WD | Front Upper | wo/Pre-mounted Studs |
| 2007 | Chevrolet | Colorado | RWD | Front Upper | wo/Pre-mounted Studs |
| 2007 | GMC | Canyon | RWD | Front Upper | wo/Pre-mounted Studs |
| 2007 | Isuzu | i-370 | 4WD | Front Upper | wo/Pre-mounted Studs |
| 2006 | Chevrolet | Colorado | RWD | Front Upper | wo/Pre-mounted Studs |
| 2006 | GMC | Canyon | RWD | Front Upper | wo/Pre-mounted Studs |
| 2006 | Isuzu | i-350 | 4WD | Front Upper | wo/Pre-mounted Studs |
| 2005 | Chevrolet | Colorado | RWD | Front Upper | wo/Pre-mounted Studs |
| 2005 | GMC | Canyon | RWD | Front Upper | wo/Pre-mounted Studs |
| 2004 | Chevrolet | Colorado | RWD | Front Upper | wo/Pre-mounted Studs |
| 2004 | GMC | Canyon | RWD | Front Upper | wo/Pre-mounted Studs |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.