The 7/8" x 4.75" Grease Bolt with Castle Nut from Haulk Depot is engineered for large slipper spring equalizers used on 7,000–8,000 lb trailer axles. This wet bolt design allows for periodic lubrication, reducing wear and prolonging the life of your suspension system. Designed to fit 11", 12", and 13" equalizers, it ensures reliable performance for demanding applications.

Detailed Information:

Included Components:

• 1x 7/8" Grease Bolt (Wet Bolt)
• 1x Castle Nut

Fitting:

Fits larger slipper equalizers (11"–13") on 7K–8K lb trailer axles. Designed for front or center hanger mounting in heavy-duty suspension systems.

Features:

• Wet Bolt Design: Zerk fitting allows for easy greasing and reduced friction
• Heavy-Duty Construction: Built to withstand demanding road conditions
• Perfect Fit: Engineered for use with common 11", 12", and 13" slipper-style equalizers
• Castle Nut Included: For secure fastening with cotter pin compatibility

Interchangeable Part Numbers:

• 1600741536916
• FA71063120119
• GEB-78-KIT

Product Overview:

This 7/8" x 4.75" grease bolt with castle nut is ideal for securing large equalizers in slipper spring trailer suspension setups. Designed for 7K–8K lb axles, it improves ride stability and service life with its greasable design and robust build—an essential component for reliable trailer suspension performance.