021-043-01 - Grease Cap for E-Z Lube

The 021-043-01 Grease Cap for E-Z Lube® is a metal, press-in grease cap designed specifically for E-Z Lube® spindles. It protects the outer wheel bearing while allowing grease to be added through the spindle’s grease fitting, helping simplify routine maintenance without hub removal.

Commonly used on Larson Cable Trailers, this cap is typically found on 8,000 lb trailer axle hubs equipped with E-Z Lube® spindles.

Specifications

• Part Number: 021-043-01
• Component Type: Grease cap
• Style: E-Z Lube® compatible
• Outer Diameter (OD): 2.720 in
• Depth: ~1.50 in
• Material: Steel
• Finish: Corrosion-resistant coating
• Application: Trailer hubs with E-Z Lube® spindles

Fitment

• Used on E-Z Lube® trailer hubs
• Commonly paired with 8K axle hub assemblies
• Accepts E-Z Lube® rubber plug (sold separately)

Notes

• Allows greasing through the spindle without hub removal
• Replace cap if bent, loose, or damaged
• OEM-style replacement component
• Not intended for standard (non-E-Z Lube®) spindles