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Hub Caps

89 Products
Shop direct-replacement functional hub caps, gaskets, and sight-glass caps — matched by size and bolt pattern to stop wheel-end oil leaks.

Hub Caps Overview

A functional hub cap seals the wheel end, retains lubricant, and often includes a sight glass to check oil level; a cracked cap or bad gasket leaks lube and lets in contamination. Van Horn Truck Parts carries wheel-end hub caps, gaskets, and window/sight-glass caps cross-referenced to Stemco, ConMet, and Automann part numbers.

Match the cap by bolt count and circle, cap diameter, and oil vs. grease configuration. (Decorative chrome caps are under Chrome & Exterior Accessories.)

Mechanic & Fitment Specs:

  • Types: Solid, window/sight-glass; oil or grease
  • Match by: Bolt count/circle, cap diameter, oil vs. grease
  • Cross-references: Stemco, ConMet, Automann
  • Buying tip: Replace the gasket with the cap to guarantee the seal