4" × 3/4" Aluminum Sheave with Oilite® Bronze Bushing – Made in USA

Premium Pulley Solution for Boat-Lift & Dock Cable Systems

Upgrade your boat lift or dock with our 4" × 3/4" Aluminum Sheave, proudly manufactured in the USA. The self-lubricating Oilite® bronze bushing cuts friction for quieter, longer-lasting performance, while the precision-machined 3/4" bore ensures an easy fit on standard axle bolts or pins.

Key Features

• Made in USA Quality: CNC-machined and inspected in the United States for tight tolerances and dependable consistency.
• 4" Diameter × 3/4" Width: Fits most pulley brackets for smooth, efficient cable travel.
• Oilite® Bronze Bushing: Oil-impregnated, self-lubricating, and field-proven for extended service life.
• 3/4" Borehole: Accepts a 3/4" axle bolt or pin for fast, universal installation.
• Marine-Grade Aluminum: Lightweight, corrosion-resistant alloy resists salt and freshwater exposure.
• Cable Capacity: Accommodates lift cables up to 5/16" diameter.

Product Description

Engineered for Marine Environments:
Built to withstand salt spray, UV, and constant motion, this sheave keeps boat-lift cables running true without premature wear.

Effortless Installation:
The precision 3/4" bore drops straight onto standard axle bolts or pins (sold separately). Its 3/4" width nests into most 7/8" pulley brackets for a no-fuss upgrade.

Versatile & Cost-Effective:
Perfect for replacing worn pulleys or designing new lift systems, dock hoists, or industrial cable guides where a high-quality 4" sheave is required.

Specifications

• Outside Diameter: 4"
• Face Width: 3/4"
• Bore Diameter: 3/4"
• Bushing: Oilite® bronze, oil-impregnated
• Material: Marine-grade aluminum
• Cable Size: Up to 5/16"
• Origin: Made in USA
• Hardware: Axle bolt, nut, and washer sold separately

Why Choose Our U.S.-Made Sheave?

American Craftsmanship: Machined and finished domestically for unmatched quality control.
Corrosion-Resistant Design: Aluminum alloy shrugs off moisture and salt; bronze bushing prevents seizing.
Universal Fit: Standard dimensions make retrofits quick and painless.
Quiet, Smooth Operation: Self-lubricating bushing minimizes noise and cable wear.

Order Yours Today!

Don’t let inferior imports slow down your lift. Choose American-made reliability with our 4" × 3/4" Aluminum Sheave. Order now and enjoy fast U.S. shipping plus the expert support you expect from Monster Bolts.

✔️ Proudly made in the USA   ✔️ Preferred by marine professionals & DIYers