EUCLID part description

Product Description

INNER CAP NUT

Features & Benefits

  • Thread pitch and internal configuration are made to fit inner cap applications on truck hubs
  • Constructed to match OE dimensions for torque specs to remain uncompromised during service
  • Retains the alignment of wheel bearings by providing balanced clamp load
  • Serves as a direct replacement for standard inner cap nut types without requiring modification
  • Through hardened construction adds strength and wear resistance for demanding wheel applications
  • Zinc yellow dichromate plating offers added corrosion protection and a professional finish

Euclid Wheel Cap Nut

It’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 Attributes

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

Don't know your part number?

Take a photo and we'll identify it!

Recommended Products

More from EUCLID (Browse all)