Description
RA4009 – 6 HOLE HUB CAP WITH GASKET (SIDE FILL PLUG)
PART NUMBER(S):
Fleet Products: RA4009, 3434009 (New) | OE: Stemco 3034009, Meritor MER04009 | OES: Automann 180.10619, 180.CR1843
DESCRIPTION:
Model: 6 Hole Hub Cap with Side Fill Plug
Vehicles: Heavy-duty trucks, tractors, buses, and semi-trailers
• Mounting Holes: 6 on 5.5" (5-1/2") bolt circle
• Bolt Size: 5/16"
• Overall Height: 2.688" (2-11/16")
• Inside Depth: 1-15/16"
• Flange OD: 6-1/4"
• Flange ID: 4-3/8"
• Material: Polished aluminum or steel
• Oil Side Fill Plug: Yes (includes threaded pipe plug)
• Gasket: Included (Stemco 330-3009 / RA4009G)
• Function: Seals and protects wheel hub, retains lubricant, and prevents outside contamination
Applications: Looking for a reliable hub cap replacement✔ The RA4009 is designed to fit 6-hole wheel hubs on heavy-duty trucks, tractors, trailers, and buses. It provides OEM-grade sealing, protects lubricants from dirt and moisture, and includes an oil fill plug for easy service access.
CROSS-REFERENCE(S):
11-0674, 02103802, E-04009, E04009, 2500700C1, GT-4009S, GT-4009SK, GT4009S, GT4009SK, A-1974, A1974, 7843-3434009, MER04009, 343-009, 343009, 8302, 343-4009, 3434009, 3004009, 3034009, HC-4009WK, TR343-4009, AHS9961, 17222, 740-3034009, 740-3434009, 1233, 1331, 1343, 1543, 1643, 1743, 1843, M10HK124, M10HK182, 921010009, GT-4009P, GT4009, 19QJ261M, 19QJ313, 19QJA261, 19QJA29304, 19QJA29305, 19QJA307, 19QJA313, 19QJA319, 19QJA41SR32, 41SR32, 411601, R64009S, HU009A, HW009A, 431620R91, 340-4010, 340-4009, 3404009, R20148201, R20148227, R20142R227, 02009913, 86109, 8668, 862500, 921010003, 38580404A 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:
✔ Mount hub cap using six bolts on 5.5" bolt circle.
✔ Torque 5/16" bolts to 12–16 ft-lbs.
✔ Ensure gasket (RA4009G) is correctly seated before tightening.
✔ Tighten bolts in a crisscross pattern for uniform sealing.
✔ Verify oil fill plug is installed and sealed properly.
✔ Inspect hub and gasket surfaces for debris or wear prior to installation.
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Warranty Information
