The Dayton 13-8004 Wheel Lug Nut is a heavy-duty replacement component engineered to match the fit, function, and performance of original equipment hardware. Constructed from high-strength carbon steel, this SAE Grade 5 nut is built to exacting specifications for a perfect fit and a long service life. Its open-end design and flat seat make it an ideal choice for securing wheels on a variety of specified commercial and heavy-duty vehicles.
Direct Replacement: Precision-designed to match the dimensions and load-bearing performance of the factory hardware.
Durable Construction: Manufactured from carbon steel and SAE Grade 5 rated for reliable performance under heavy-duty stress.
Corrosion Protection: Features a yellow finish to help protect against environmental wear and rust.
Trustworthy Quality: Backed by over a century of automotive experience and a U.S.-based team of product specialists.
| Attribute | Details |
| Part Number | 13-8004 |
| Part Type | Wheel Lug Nut |
| Nut Style | Standard (Open End) |
| Material | Carbon Steel |
| Grade | SAE Grade 5 |
| Thread Size | 3/4-10 (Coarse) |
| Hex Size | 1.25 in |
| Overall Length | 0.72 in |
| Seat Style | Flat (Perpendicular) |
| Thread Direction | Clockwise (Right Hand) |
| Weight | 0.19 lbs |
This wheel lug nut is a direct functional equivalent to the following OEM and industry part numbers:
PACCAR: W8, W8BK
Fruehauf: 535798, 535885
General Motors: 2066640, 2266640, 2487962
Chrysler: 1194113
VMRS: 018-003-027
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