CheeMuii 4 Pack 343-4009 Trailer Hub Caps with Oil Window Cover Kit 4 Set 3434009 Aluminum Hubcaps for Trailer Axle with Extra Rubber Plugs Replace for Stemco 343-4009 359-5990

EXCELLENT HUBCAP: Hub caps are die-casted from aluminum alloy, surface polishing treatment. The oil window is tight sealing with gasket, and the side pipe plug is coated with leak-proof glue to prevent leakage

VISIBLE WINDOW COVER: Hubcap adopts high strength transparent plastic oil window, can visually see the condition of hub oil in the axle, convenient to add hub oil in time

NO-LEAK: The hubcap plugs and gaskets are designed and manufactured according to OEM standards with excellent sealing and compatibility. They are exquisitely crafted, with a smooth surface and no bubbles inside, and plugs are designed with a vent hole to release extra pressure

PRODUCT CONTAINS & SIZE: The CheeMuii 4 pack 343 4009 hub cap & window kit include: 4 pcs hub caps with gaskets and plugs, 4 set window cover kit, extra 8 pcs plugs for replacement. Bolt hole spacing: 5-1/2"; Bolt Size: 5/16"; Height: 2-11/16"; Inside Depth: 1-15/16"; Flange Outer Diameter: 6-1/4"; Flange Inner Diameter: 4-3/8"

REPLACEMENT: Replace for Stemco 343-4009, 3434009, replace for GMC/Volvo 921010009, 862500, replace for Spicer-Dana M10HK124, M10HK182, M10HK184, replace for Strick R20148201, R20148227, etc

REPLACEMENT: Replace for Eaton 821338, 821907, replace for National 343-009, replace for Triseal 64009, replace for Trailmobile 4131100, 8668, replace for Timpte 2009913, etc