The front brake caliper mounting bolts on a 2003 Dodge Durango are typically 7/16-20 UNC, about 1 to 1-1/4 inches long, and should be replaced with the correct grade (often Grade 8 or OEM equivalent) when servicing the brakes. If you are inspecting rear brakes or different brake types, sizes can vary.
The Durango's braking hardware can differ depending on whether you are working on the front disc brakes or rear brakes, and depending on the specific axle and trim. For safety, verify the exact bolt size against the vehicle's service manual or OEM hardware when performing repairs.
Caliper bolt sizes for the 2003 Dodge Durango
Below are the sizes most commonly encountered for the Durango's front brake caliper mounting bolts. Variations can exist by production batch or aftermarket replacements, so always confirm before purchasing or reinstalling.
- Front caliper mounting bolts: 7/16 inch diameter, 20 threads per inch (7/16-20 UNC); typical thread length around 1.0 to 1.25 inches. Use high-strength fasteners (Grade 8 or OEM equivalent) as specified by Mopar.
- Rear caliper mounting bolts (if the vehicle has rear disc brakes): may also be 7/16-20 UNC on some configurations, but sizes can vary; check the service manual for your exact axle configuration.
When replacing caliper bolts, it's important to use hardware that meets factory specifications, including thread pitch, length, and grade. If you're unsure, consult the dealership or a repair manual and carry the old bolt to verify compatibility.
Tips for identifying the correct bolt in your vehicle
To verify the exact bolt size on your Durango, you can:
- Check the service manual or a factory parts database for your VIN and axle configuration.
- Remove one bolt and measure the diameter with a caliper and count threads per inch or measure the thread pitch.
- Consult Mopar OEM fastener specs or purchase from a supplier that lists Durango bolts by vehicle and axle.
Replacing caliper bolts with the wrong size can lead to brake failure, so accuracy matters. When in doubt, replace with OEM-grade parts and torque to the manufacturer's specification.
Summary
For a 2003 Dodge Durango, the front brake caliper mounting bolts are commonly 7/16-20 UNC, about 1.0–1.25 inches long, and should be high-strength. Sizes can vary for rear brakes or different configurations, so always verify with the service manual or Mopar parts database and torque to spec. Accurate hardware is essential for safe braking.
What size socket do I need for caliper bolts?
There you go we're just going to press down crack that open one and the second one on. Here. Takes a little bit of work. But right after gets pretty easy.
What is the bolt pattern on a 2003 Dodge Durango?
Vehicle bolt pattern: 6x4. 5" or 6x114. 3mm. 1997-2003 For dodge Durango.
What size are caliper mounting bolts?
3/8"-16 by 5" length, 9/16" head.
What size allen head to remove caliper on Dodge Durango?
And your caliper bracket bolts are going to be E20s. So again 2019 Dodge Durango with a Penar V6 in it.