Stemco 343-4372 Fits Oil Bath Hubs MTIS PSI Trailer Hub Cap and Gasket

Product Description

  • Manufacturer: Stemco
  • Part Number: 343-4372
  • Material: Cast Aluminum
  • Bolt Circle: 6-3/4″
  • Bolt Size: 5/16″
  • No. of Bolts: 6
  • Height: 2-11/16″
  • Inside Depth: 1-9/16″
  • Flange ID: 4-3/8″
  • Flange OD: 7-1/4″
  • Side Plug: Yes
  • Includes 330-3118 gasket
  • Download:Stemco Hub cap.pdf

Cross References: 3434372, 343-4372, 3143900, 1996

The  traditional  aluminum  series  340  and  343  provide  durability with  the  trademark  red  plug  to  allow  venting  of  the  hub  cap. Using cast aluminum for constructing the hub cap body prevents warpage  and  provides  superior  durability  and  heat  dissipation properties. The trucking industry recognizes STEMCO hub caps as the benchmark.

SI™ Oil and Grease Hub Caps

STEMCO MTIS/PSI™ hub caps are available in both oil and grease hub caps for several popular applications. The oil hub caps (343-4370, 343-4371 and 343-4372) have a side fill plug and a standard window with oil fill lines. The grease hub caps (340-4370, 340-4371 and 340-4372) do not have a side fill plug and incorporate a gray opaque window with no markings. The PSI™ tee fitting and flapper valve are to be installed in the center of the hub cap and are available from Meritor or PSI™ as a part of the PSI™ system.


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