Description
RA4024 – 6 HOLE STEERING AXLE HUB CAP WITH GASKET (SIDE FILL PLUG)
PART NUMBER(S):
Fleet Products: RA4024 (New) | OE: Stemco 343-4024, Mack 7843-3434024, National 343024 | OES: Automann 180.10622
DESCRIPTION:
Model: 6 Hole Steering Axle Hub Cap with Gasket
Vehicles: Heavy-duty steering axles on trucks, tractors, buses, and trailers (notably Volvo/White VNL 670 Gen 2, 2003–2019)
• Bolt Circle Diameter: 4-1/2"
• Bolt Size: 5/16"
• Number of Bolts: 6
• Overall Height: 2-5/8"
• Inside Depth: 1-7/8"
• Flange Inside Diameter: 3-1/2"
• Flange Outside Diameter: 5-1/4"
• Material: Diecast aluminum
• Side Fill Plug: Yes (includes threaded pipe plug)
• Gasket Included: Yes (Stemco 330-3024 / Automann 180.10641.1)
Applications: Is your steering axle hub cap leaking or corroded✔ The RA4024 is built for 6-hole, 4.5" bolt circle steering hubs on Class 8 trucks and trailers. It seals hub assemblies, retains oil, and prevents contamination while allowing easy access for service via the side fill plug.
CROSS-REFERENCE(S):
343-4024, 3434024, 340-4024, 3404024, HC34024, H0HA1131U, D0HZ1131C, D0HA1131-U, D0HZ1131D, F3HZ1131C, MST404024, 8069924, 806994, 858381, 921010002, 411630P, 19QJ29302A, 19QJ29309, 19QJ334, 19QJA29302, 19QJA29309, 19QJA317, 411630, A3262G215, A3262T1216, R64024, NOS1612, 1711, 388245C92, S-B358, H84024, 64024, 81024, GT-4024S, GT4024S, 19QJ343, TR343-4024, Westport 1436900006, CRI1711, STE3434024, TS81024, STM343-4024, 1612A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Use six 5/16" bolts on a 4.5" bolt circle.
✔ Torque bolts evenly to 12–16 ft-lbs in a crisscross pattern.
✔ Ensure gasket is fully seated before tightening.
✔ Verify side fill plug is tightened securely and properly sealed.
✔ Always inspect hub surface and gasket for wear or debris prior to installation.
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Warranty Information
