The Dayton 13-3130R is a professional-grade inner wheel cap nut designed for dual wheel applications on heavy-duty commercial vehicles. Engineered to match the exact fit and function of original equipment hardware, these nuts are crucial for securing inner wheels on medium and heavy-duty trucks, including Isuzu, Hino, and GMC platforms.
These inner cap nuts are manufactured from high-strength carbon steel to withstand the extreme torque and load requirements of commercial hauling. The Zinc Yellow Chromate finish provides an additional layer of corrosion protection against road salt and moisture, ensuring a long service life and ease of maintenance.
| Attribute | Value |
| Part Number | 13-3130R |
| Thread Size | M30-1.50 (Outer) / M20-1.50 (Inner) |
| Thread Direction | Clockwise (Right Hand) |
| Overall Length | 63.5 mm |
| Square/Hex Size | 21 mm |
| Finish | Zinc Yellow Chromate |
| Material | Carbon Steel |
| Seat Style | Flange |
| Package Qty | 10 Inner Cap Nuts |
This part is a direct professional replacement for the following OEM and industry part numbers:
GMC: 94039630
Hino: 900423101
Isuzu: 142335005, 1423350050
Meritor: R003130R
PACCAR: W720
OE Replacement: Designed to meet or exceed the performance of original equipment for a perfect fit every time.
Superior Durability: Constructed from carbon steel and tested to strict safety standards (Safety Rating 1).
Corrosion Resistance: Zinc Yellow Chromate coating prevents rust and seizing in harsh environments.
Exact Dimensions: Features a 42 mm depth and 36.5 mm width for compatibility with standard dual-wheel configurations.
Dayton is backed by over a century of automotive experience. These wheel nuts are designed by product experts in the United States to ensure reliable performance and maximum safety for your fleet.
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