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(888) 312-8812 Login SignupIt’s important to be mindful of how every component contributes to proper wheel installation. The Euclid Wheel Cap Nut plays a crucial role in aligning and securing the inner cap of a wheel assembly. Often underestimated, cap nuts like this one are central to proper torque distribution and thread engagement on commercial trucks. It supports structural cohesion between axle components and wheel parts, and with its consistent fitment and heavy-duty compatibility, it’s a direct-fit solution for a range of heavy-duty vehicles. Shop the Euclid E5988L today.
| Product Type | Inner Cap Nut |
| Side | Left |
| Outer Thread Size | 1.13" - 16 |
| Inner Thread Size | 0.75" - 16 |
| Inner Thread Minimum Depth | 1.94" |
| Outer Overall Length | 3.06" |
| Application Information | OE Standard with full inner threads for applications requiring maximum thread engagement. For Dual Mounted Aluminum Wheels |
| Brand | Euclid |
| Hex | 13/16 in. |
| Inner Thread | 3/4"-16 |
| Inner Thread Min. Depth | 1-15/16 in. |
| Length | 3 3/32 in. |
| Notes | Through hardened. 1/4 x 13/16 counterbore. |
| Outer Overall Length | 3-3/32 in. |
| Outer Thread | 1-1/8"-16 |
| Pallet Quantity | 540 |
| Replaces | 511003L, 511009L, 988L, R005988L, R005988LBK, M2401, W487, W625 |
| Type | Inner Cap Nut |
| Weight | .52 |
| Wheel Mount | Dual |
Euclid® is a world leader in the production of precision-engineered replacement parts for buses, trailers, as well as light-, medium- and heavy-duty trucks. This brand takes great pride in its products that meet and even exceed O.E.M. quality standards. Officially a part of Meritor since January 1999, Euclid remains the same despite all the changes the company has been through. When customers receive Euclid products, they know they are getting far more than ordinary replacement parts. Instead, they are getting the best replacement parts made today from a company they can trust. Euclid is a company that's continuously improving with technology to do a job the right way because it is the only way it knows how.
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