Description
STEMCO 340-4320 is a screw-on aluminum hub cap designed for heavy-duty truck and trailer wheel ends.
Product Overview
Type: Screw-On Hub Cap
Material: Cast Aluminum (provides durability and heat dissipation)
Applications: Grease lubrication systems
Common Use: Fruehauf threaded trailer hubs
Includes: O-ring seal
Dimensions
Thread Size: 6-1/4″ x 8 UN (M)
Height: 2-5/16″
Inside Depth: 1-9/16″
Flange Inner Diameter: 5-3/4″
Flange Outer Diameter: 6-7/8″
Features
Patented Red Rubber Plug: Allows venting and easy identification
Durability: Strong aluminum casting prevents warpage and withstands high heat
Legacy: Part of STEMCO’s traditional aluminum series, recognized for over 60 years in the trucking industry


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