STEMCO part description

Product Description

Wheel Hub Cap

Features & Benefits

  • Advanced manufacturing techniques guarantee a precise fit and reliable performance, even in the most demanding conditions
  • Constructed from high-grade materials, offering exceptional durability and resistance to wear and tear
  • Precision-engineered seal effectively prevents the ingress of dirt, water, and other contaminants, so the wheel bearings remain clean
  • Includes an integrated sight glass, allowing for easy visual inspection of lubricant levels without the need for disassembly
  • Robust construction enhances vehicle safety by maintaining proper lubrication, which helps prevent overheating
  • Straightforward and hassle-free installation, user-friendly designs minimize downtime and improve overall fleet productivity

Stemco Standard Wheel Hub Cap

The Stemco Standard Wheel Hub Cap acts as a multi-functional shield, safeguarding your vehicle's most critical wheel-end components from contaminants and maintaining optimal lubrication levels for longer service life and reduced maintenance costs. By keeping contaminants at bay, this hubcap prevents premature wear and tear and maintains proper operating temperatures within the wheel hub assembly. The Stemco 340-4009 allows for easy grease level inspection, ensuring optimal lubrication and minimizing the risk of lubricant migration. This ensures smoother operation, extended component life, and ultimately, lower operating costs for your fleet.

Product Attributes

Height 2-11/16 IN
Bolt Circle 5-1/2 in
Bolt Size 5/16 IN
Inside Depth 1-15/16 in
Number of Bolts 6
Torque 12-16 85
Window Kit 359-5995

Additional Information

Harmonized Tariff Code (HTS) 8716905060
UPC 703832131965
VMRS Code 018003003

Part Interchanges

STEMCO® is a recognized global leader in manufacturing and supplying a comprehensive line of high-performance systems and components to the commercial vehicle industry. Its wide range of products includes wheel-end components, such as fasteners, hubcaps, bearings, seals, and mileage counters, and brake parts, which include brake drums, brake pads, and adjusters. It also offers suspension products like spring pins, king pin kits, polyurethane suspensions, tie rod assemblies, and mount and blocking components. All these products are made to the highest quality and safety standards to ensure superior performance and maximum durability even when used in the harshest of conditions. STEMCO is ISO-9001:2015 certified.


Review by Daniel S on 01/03/2023

These hub covers make it easy to see oil level.

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