The Hydrastar® 9K/10K Rated Screw-On Oil/Dust Cap is designed for superior protection and compatibility with heavy-duty trailers. Rated for SAE 90W Oil, 20-30ft FTLB Torque.
Recommended for use with:
- 303-H/S-99 10K lbs. Hub Spacer (5/8 in.)
- Clear Acrylic Hardened Plastic
- Specifications: 3.5″ Hex Head OD x 3.625″-4 ID
- Also Compatible with Quality Axles, Rockwell American Axles, Kodiak 10k Brakes
- Includes Rubber Plug and O Ring Gasket
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