Genuine Moog ZM12 Lower Ball Joint (NORS)
Restore the steering precision and suspension stability of your classic Chevrolet or GMC truck with this premium vintage Moog ZM12 Lower Ball Joint. This is a New Old Replacement Stock (NORS) component, manufactured in the USA, featuring Moog's legendary "Zeromatic" self-adjusting design. This advanced vintage technology automatically compensates for internal wear to maintain zero backlash, providing superior performance over standard replacements. Specifically engineered for front lower applications on 1963-1971 GM light-duty trucks and vans, it serves as a heavy-duty upgrade to the standard part number K6023.
Key Features:
- Brand: Moog
- Part Number: ZM12
- Interchange: K6023, K-6023
- Position: Front Lower
- Engine: All Engines
- Origin: USA
- Condition: NORS (New Old Replacement Stock)
Verified Vehicle Fitment:
| Make |
Model |
Year |
Engine |
Notes |
| Chevrolet |
C10 Pickup |
1963-1970 |
All |
Front Lower |
| Chevrolet |
P10 Series / Step Van |
1963-1970 |
All |
Front Lower |
| Chevrolet |
G10 / G20 Van |
1971 |
All |
Models with Drum Brakes Only |
| GMC |
1000 / C1500 Pickup |
1963-1970 |
All |
Front Lower |
| GMC |
P1000 / P1500 Series |
1963-1970 |
All |
Front Lower |
| GMC |
G1500 / G2500 Van |
1971 |
All |
Models with Drum Brakes Only |
Fits Years:
1963 1964 1965 1966 1967 1968 1969 1970 1971
Note on Stock Photos: Due to our inventory of multiple identical units for this specific part number, we utilize representative stock photos for this listing. You will receive a component that strictly meets all listed specifications and fitment requirements. Please be aware that because these are vintage parts, minor cosmetic variations—such as surface finish, color, or production markings—may exist between different manufacturing runs. These slight aesthetic differences are a result of historical production processes and do not impact the part's integrity, performance, or authenticity.
A Note on Fitment Accuracy: We manually research and cross-reference our fitment data using vintage manufacturer catalogs. While we strive for 100% accuracy, these decades-old resources—and the humans reading them—can occasionally contain errors. Additionally, these parts may fit other vehicles and years not explicitly listed in our data. To ensure a seamless restoration, we kindly ask that you perform your own due diligence and verify that this specific part number is correct for your application prior to purchase.
Unbeatable Prices & Expectations
While many of our vintage parts were manufactured decades ago, they remain unused and high-quality. Some original boxes may show signs of shelf-wear, such as dust, tape, or surface distress from years of storage. Rest assured, the components inside have been inspected to ensure they are complete and ready to help you finish your project without breaking the bank.
