Keep your fleet secure with the Dayton Parts 13-1630R. This Grade 8 wheel lug stud is specifically engineered for the high-torque, heavy-load environments of commercial trucking. Forged from high-strength carbon steel, it provides the structural integrity and dependable clamping force required for heavy-duty hub and drum assemblies.
Precision-manufactured for a secure, non-slip press-fit.
| Feature | Specification |
| Part Number | 13-1630R |
| Thread Size | 1 1/8-16 (Fine) |
| Thread Direction | Clockwise (Right) |
| Under Head Length | 3.5 in |
| Knurl Diameter | 1.247 in |
| Bolt Grade | Grade 8 |
| Material | Carbon Steel |
Thread Length: 1.91 in
Shoulder Length: 1.335 in
Shoulder Diameter: 1.22 in
Head Diameter: 1.5 in
Style: Serrated Stud (Round Shoulder)
Weight: 1.20 lbs
SAE Grade 8 Strength: Manufactured to meet or exceed SAE automotive industry standards for hardness and tensile strength, ensuring the stud resists stretching or shearing under maximum load.
Corrosion Protection: Finished with a black coating that has undergone extensive salt spray testing to ensure years of resistance against rust and road chemicals.
Safety Verified: Every stud is tensile tested through industry-standard proof-load testing to guarantee structural integrity for the long haul.
Trustworthy Quality: Backed by a professional team of engineers and quality control specialists in the United States.
The 13-1630R is a direct replacement for several OEM and aftermarket part numbers, including Ford, GMC, and International applications:
| Brand | Part Number | Notes |
| Meritor | R008972R | Wheel Stud |
| Ford | E8HZ1107A | OEM Replacement |
| GMC | 15552788 | OEM Replacement |
| International (IHC) | 593096C1 | OEM Replacement |
| Gunite | W1118R / W988R | Wheel Stud |
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