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FOUR Trailer Leaf Spring Shackle Bolts 9/16" -18 X 3 Long with Lock Nuts (9163B-KITX4)

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At a Glance

  • SKU: 9163B-KITX4
PRODUCT INFORMATION

Product Details

Trailer Suspension Hardware

FOUR Trailer Leaf Spring Shackle Bolts 9/16" -18 X 3 Long with Lock Nuts

Four-piece trailer suspension hardware kit with 9/16" shackle bolts and matching lock nuts for common leaf spring hanger and equalizer service work.

Part Number: 9163B-KITX4 9/16" Bolt Diameter Qty 4 Bolts + 4 Lock Nuts

Overview

This R&P Carriages trailer shackle bolt and lock nut kit includes four 9/16" shackle bolts with matching lock nuts for common trailer leaf spring suspension service. These components are typically used in spring hanger, shackle, and equalizer assemblies where the original hardware is worn, missing, or being replaced during suspension repair.

R&P Service Insight

Suspension bolts and lock nuts are small parts, but they carry real load through the spring and equalizer system. Replacing worn hardware during spring or equalizer service helps restore a tighter, more secure suspension connection.

  • Common Service Item: Useful when replacing leaf springs, equalizers, shackles, or worn suspension hardware.
  • Matched Hardware: Includes a lock nut for each shackle bolt.
  • Fit Check Required: Always verify bolt diameter, bolt length, and suspension layout before installation.

R&P Knowledge Hub

Compatibility: Designed for trailer suspension applications that use 9/16" shackle bolts.

Vehicle / System Fit: Commonly used with double-eye leaf spring hanger, shackle, and equalizer assemblies.

Installation Notes: Verify bolt diameter, bolt length, hanger style, equalizer configuration, and bushing size before ordering or installing.

Performance Insight: Correct suspension hardware helps maintain proper spring and equalizer movement while keeping the assembly securely fastened.

Brand & Fitment Note

Selling Brand: R&P Carriages

Application Reference: This listing is for trailer suspension hardware commonly used in compatible leaf spring hanger and equalizer assemblies where the measurements match.

What This Means: This is a curated R&P Carriages hardware kit, not a guaranteed OEM-branded item unless specifically stated and verified.

Before Ordering: Confirm the bolt diameter, length, thread style, suspension position, and included components against your existing trailer hardware.

R&P Repair Insight

When trailer suspension hardware is loose, worn, or seized, it can make spring and equalizer service harder than it needs to be. Replacing bolts and lock nuts during repair is often cleaner than trying to reuse hardware that has already been under load.

  • Check Diameter: This kit is listed for 9/16" bolt applications.
  • Check Length: Bolt length must match your hanger, shackle, or equalizer setup.
  • Check Quantity: This kit includes four bolts and four lock nuts.

Features

Complete 4-Bolt Kit

Includes four shackle bolts and four matching lock nuts for trailer suspension service.

9/16" Diameter

Built for applications requiring 9/16" trailer shackle bolts.

Leaf Spring Applications

Commonly used in front and rear spring hanger locations, shackles, and equalizer assemblies.

Service-Ready Hardware

A practical replacement kit for utility, cargo, equipment, and enclosed trailer suspension repairs.

Specifications

Specification Detail
Part Number 9163B-KITX4
Brand R&P Carriages
Product Type Trailer shackle bolt and lock nut kit
Application Trailer leaf spring suspension hardware
Bolt Diameter 9/16"
Included Hardware 4 shackle bolts and 4 lock nuts
Material / Finish Alloy steel, Black corrosion - resistant paint
Fitment Compatible with trailer suspension setups requiring matching 9/16" shackle bolts

Fitment / Application

Category Details
Vehicle / System Trailer leaf spring suspension systems
Primary Fit Spring hanger, shackle, and equalizer assemblies using 9/16" bolts
Trailer Types Utility, cargo, equipment, and enclosed trailers where dimensions match
Notes Verify bolt diameter, bolt length, bushing size, hanger style, and suspension configuration before ordering.

Included Components

Quantity Item
4 9/16" trailer shackle bolts
4 Matching lock nuts
1 Complete 4-bolt suspension hardware kit
Verify all measurements, bolt length, bolt diameter, suspension configuration, bushing size, and included components before installation. This listing is for a 9/16" shackle bolt and lock nut kit; exact trailer fitment depends on your existing suspension setup.
9163B-KITX4 trailer shackle bolt kit, 9/16 trailer shackle bolt and lock nut kit, trailer suspension hardware kit, leaf spring hanger bolt kit, trailer equalizer bolt kit, trailer shackle hardware, trailer lock nut kit, utility trailer suspension bolts, cargo trailer suspension hardware, enclosed trailer leaf spring hardware
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BEHIND THIS LISTING
PHOTOGRAPHY & RESEARCH Ariah Granados Ariah’s handwritten signature
DIGITAL PRESENTATION & DEVELOPMENT Ken Martin Ken’s handwritten signature
ONLINE SALES & QUALITY ASSURANCE Rayn Fisher
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815-357-3292  ·  270 E Jackson St  ·  Seneca, IL 61360

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Found the correct RV keys at a good price with free shipping; the keys worked as expected.

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Needed an unusual axle and leaf-spring size; the team listened and helped him sort out the fit.

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