Product Description
RA4009 – 6 HOLE HUB CAP W/ GASKET
PART NUMBER(S):
Fleet Products: RA4009, 3434009 | OE: 303-4009, 3034009
DESCRIPTION:
Model: 6 Hole Hub Cap with Gasket
Vehicles: Suitable for heavy-duty trucks, buses, tractors, and trailers
• Mounting Holes: 6
• Bolt Circle Diameter: 5.5" (5-1/2")
• Bolt Size: 5/16"
• Number of Bolts: 6
• Overall Height: 2.688" (2-11/16")
• Inside Depth: 1-15/16"
• Flange Outside Diameter: 6-1/4"
• Flange Inside Diameter: 4-3/8"
• Material: Polished aluminum or steel
• Oil Side Fill Plug: Yes, includes pipe plug
• Gasket Included: Yes (Stemco 330-3009/ RA4009G )
• Function: Seals and protects the wheel hub, retains lubricant, and prevents contamination
• Mounting: Bolt-on style, 6-hole pattern on 5.5" bolt circle
• Performance: OEM-grade reliability for heavy-duty axle applications
Applications:
Designed to fit wheel hubs on trucks, buses, tractors, and trailers requiring a 6-hole, 5.5" bolt circle hub cap. Protects hub assembly by sealing lubricant and preventing contamination while providing easy access through oil fill plug.
CROSS-REFERENCE(S):
RA4009, 3434009, 303-4009, 3034009, 740-3034009, 343-4009, 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, 38580404
IMPORTANT INSTALLATION NOTES:
✔ Mount hub cap using 6 bolts on 5.5" bolt circle
✔ Use 5/16" bolts torqued to 12–16 ft-lbs
✔ Ensure gasket is properly seated before tightening bolts
✔ Tighten bolts in a crisscross pattern for even sealing
✔ Verify oil fill plug is correctly installed and sealed
✔ Inspect hub and gasket surfaces for damage or debris prior to installation
SOLD AS NEW
Brand new and ready to install, with OEM Grade Reliability
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, Call: 1-877-243-0442 | Email: sales@fleet-products.com
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