Description

STEMCO 373-0113 is a Voyager® wheel oil seal used on 19,000 lb trailer axles and is commonly found on Standard Forge, Dana, Meritor, and Eaton trailer hub applications. [finditparts.com], [truckpartsworld.net]
Key Specifications

Bore Diameter: 5.750″
Width: 0.940″
Spindle Shoulder O.D.: 4.000″
Inner Bearing: 653 / 663
Outer Bearing: HM212011 / HM212049 (553X/560 series) [truckpartsworld.net], [class8truckparts.com]

Common Cross References

SKF: 40129
National: 370036A, 370349A, 380036A
Meritor: MER0113, A1205C1875
Stemco: 373-0213 (related replacement reference) [finditparts.com], [truckpartsworld.net]

Product Description

Trailer wheel hub oil seal / wheel-end seal
STEMCO Voyager series
Application: Trailer axle oil-bath hub assemblies [bigrigworld.com], [class8truckparts.com]

If you’re creating a GoDaddy product listing, you could use:
Title:
STEMCO 373-0113 Voyager Trailer Wheel Seal
Short Description:
OEM STEMCO Voyager wheel oil seal for 19K trailer axles. Fits applications using 653/663 inner bearings and HM212049/HM212011 outer bearings. Replaces SKF 40129 and National 370349A.