The Dayton Parts 13-1627L is a high-performance, Grade 8 wheel lug stud designed for heavy-duty commercial applications requiring an extended under-head length. Forged from premium carbon steel, this stud is the left-hand companion to the 13-1627R and is engineered to provide maximum clamping force and rotational resistance for demanding hub and drum assemblies.
Precision-manufactured for a secure, high-torque press-fit.
| Feature | Specification |
| Part Number | 13-1627L |
| Thread Size | 1 1/8-16 (Fine) |
| Thread Direction | Counterclockwise (Left) |
| Under Head Length | 4.0 in |
| Knurl Diameter | 1.247 in |
| Bolt Grade | Grade 8 |
| Weight | 1.34 lbs |
Thread Length: 2.41 in
Shoulder Length: 1.335 in
Shoulder Diameter: 1.22 in
Head Diameter: 1.5 in
Style: Serrated Stud (Round Shoulder)
Material: Carbon Steel (Black Finish)
SAE Grade 8 Strength: Meets or exceeds SAE automotive industry standards for hardness and tensile strength, preventing the stud from stretching or snapping under maximum payload conditions.
Corrosion Resistance: Features a black protective coating that has undergone extensive salt spray testing to ensure durability against road salt and moisture.
Safety Verified: Every stud is tensile tested through industry-standard proof-load testing to guarantee structural integrity.
U.S. Based Quality: Backed by a professional team of engineers and quality control specialists to ensure a precise, trustworthy fit.
The 13-1627L is a direct replacement for several high-demand OEM and fleet part numbers:
| Brand | Part Number | Notes |
| Meritor | R008990L | Wheel Stud |
| Paccar | K233C372L | Wheel Stud |
| Euclid | E-8990-L | Industry Reference |
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