STEMCO part description

Product Description

Wheel Hub Seal - Guardian Hp Seal

Application Summary

22,500# Trailer Axle, Meritor, Standard Forge, Dana, Eaton

Features & Benefits

  • Industry-leading HNBR-PTFE sealing lip guarantees superior contamination exclusion and enhanced durability
  • Semi-unitized design ensures installation directly on the axle, ensuring positive alignment and reducing installation-related issues
  • Rubber outer diameter allows for faster hub cleaning and less corrosion damage to the hub, ensuring longer seal life
  • Easy to remove and service, eliminating the risk of bearing damage during seal removal and enhancing maintenance efficiency
  • Backed by the brand’s proven success in the industry, making it the OEM standard seal for heavy-duty trailers
  • Offers improved cost-per-mile performance, contributing to overall cost savings and operational efficiency in heavy-duty applications

Stemco Guardian HP Wheel Hub Seal

The Stemco Guardian HP Wheel Hub Seal combats the primary causes of seal-life degradation: contamination and heat. This seal features a high-performance HNBR-PTFE sealing lip to provide superior contamination exclusion and enhanced durability. Its semi-unitized design allows for installation directly on the axle, ensuring positive alignment and reducing the risk of installation-related failures. The rubber outer diameter facilitates faster hub cleaning and reduces corrosion damage. With over 25 years of proven success, the Guardian HP, including the Stemco 307-0743, is the OEM standard seal for heavy-duty trailers, offering improved cost-per-mile performance and simple, one-step installation.

Product Attributes

Bore Diameter 6 .000 IN
GASKET NUMBER 330-3009
HUB CAP WITH GASKET 340-4009
INNER BEARING CONE HM218248
INNER BEARING CUP HM218210
INSTALL HANDLE/BODY 555-0001
Notes Will not fit Std. Forge Hub Mfg. Prior to 8/71 Nor Kershaw K-22 Axle Prior to 1/73, Nor Std. Forge A22-S Axle Prior to 5/71, Nor KBW Prior to 1/78.
OUTER BEARING CONE HM212049
OUTER BEARING CUP HM212011
Seal Type D7
SHOULDER OUTER DIAMETER 4 .625 IN
SPINDLE SHOULDER OUTER DIAMETER 4 .625 IN
UNIVERSAL AXLE TOOL HEAD 555-5039
Width 0.584 in

Additional Information

Harmonized Tariff Code (HTS) 4016931050
UPC 703832129795
VMRS Code 018004001

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.

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