The hub nut is typically 36 mm in diameter on the front axle of most 2012 Dodge Ram 1500s. While this is the common size, variations can occur by axle configuration or production date, so it’s best to verify on your specific vehicle.
In the 2012 Ram 1500 (DT platform), the front wheel hub assembly is secured with a large axle nut. The most frequently cited size is 36 mm across the flats, with a metric thread (commonly M36x1.5). Some trucks may use a closely related size (such as 35 mm) depending on the exact axle or production lot. Always confirm the size by inspecting the nut you remove or by checking your vehicle’s parts catalog or service manual corresponding to your VIN.
How to verify the hub nut size on your Ram 1500
To ensure you have the correct nut for replacement or service, follow these steps to confirm the exact size for your vehicle.
- Check the service manual or the official parts catalog for your VIN to confirm the nut size specified for your axle configuration.
- If you’re inspecting the current nut, measure across the flats with a caliper or a metric sizing tool to determine the diameter (36 mm is common).
- Inspect for any variations in production or aftermarket hub assemblies that might use a different size and, if in doubt, consult a dealer or professional mechanic.
Conclusion: Verifying via the manual or VIN-based parts lookup is the most reliable method, and if you’re replacing a damaged nut, ensure you match the correct size and thread pitch to avoid damage or safety risks.
Additional notes on hub nuts for the 2012 Ram 1500
Nut size and thread type
For most 2012 Ram 1500 front hubs, the diameter Across Flats is 36 mm, and the thread is typically metric (often M36x1.5). Some vehicles may use 35 mm or a slightly different pitch, so verify before ordering parts.
Practical tips for replacement
Always measure the nut you remove to confirm size, and reference the VIN-specific parts catalog. Use the correct torque specifications from the service manual when reinstalling, and avoid using incorrect hardware which can lead to wheel detachment or bearing damage.
Summary
In most cases, the hub nut for a 2012 Dodge Ram 1500 is 36 mm across the flats with a metric thread (commonly M36x1.5). However, variations exist by axle configuration and production date, so the best practice is to verify the exact size using the vehicle’s VIN-based parts catalog or service manual, or by measuring the nut directly after removal. When in doubt, consult a Dodge/Ram dealer or qualified mechanic to ensure you have the correct hardware for safe operation.
What size is the hub nut on a Dodge Ram 1500?
43mm, 1-11/16in.
What size socket do I need to change a wheel bearing?
There are two types of nuts: an old style and a new style, and the vehicle may have either one. If it has the old style nut, a 36mm socket will be required. The 32mm socket is for the new style.
What size socket do I need for the center bolt of the hub on my 2012 Jeep Wrangler?
Behind uh our rotor here so there's going to be one down at the bottom that I'm going to do. First.
What is the torque on the axle nut on a 2012 Dodge Ram 1500?
To keep the wheel from rotating while you reinstall it, thread on a couple of lug nuts and insert your prybar between them to secure the wheel while you torque the axle nut to 185 lb-ft.