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XD Series Power Steering Pump with Performance Pulley - Chevrolet Silverado & GMC Sierra 2500HD/3500HD 6.6L Duramax Diesel (2015-2025)

XD Series Power Steering Pump with Performance Pulley - Chevrolet Silverado & GMC Sierra 2500HD/3500HD 6.6L Duramax Diesel (2015-2025)

$475.00
$475.00
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Part Number: SP43364D

Configuration

Heavy-duty trucks put a lot of demand on the steering system, especially when they're towing, hauling, running larger tires, or spending time off pavement. This PSC XD Series Power Steering Pump with Performance Pulley is built to deliver the flow and reliability needed to help keep steering responsive when the workload increases.

Designed specifically for 2015-2025 Chevrolet Silverado and GMC Sierra 2500HD and 3500HD trucks equipped with the 6.6L Duramax diesel, this pump helps maintain steering performance under load while improving overall hydraulic system control. The included performance pulley is engineered to optimize pump speed and help the system perform consistently across a wide range of driving conditions.

Whether the truck spends its time pulling trailers, hauling equipment, traveling back roads, or serving as a daily work truck, this upgrade is built to provide dependable steering performance where it matters most.

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About:About:

Why you’ll love it

  • Includes PSC Performance Pulley
  • Increased hydraulic flow and steering performance
  • Helps support larger tires and added vehicle weight
  • Improves steering consistency during towing and hauling
  • Designed specifically for Duramax-powered HD trucks
  • Built for demanding work and off-road applications

Tech InfoTech Info

Heads‑up for installers

  • Fits 2015-2025 Chevrolet Silverado and GMC Sierra 2500HD/3500HD trucks equipped with the 6.6L Duramax diesel engine
  • Verify vehicle fitment before ordering
  • Proper pulley alignment is critical for belt life and pump performance
  • Inspect hoses and steering components during installation
  • PSC recommends flushing the system before installing new hydraulic components
  • Use approved PSC steering fluid for best results

Fitment

Make

  • Chevrolet
  • GMC

Model

  • Silverado 2500HD
  • Silverado 3500HD
  • Sierra 2500HD
  • Sierra 3500HD

Years
2015-2025

Engine

  • 6.6L Duramax Diesel

Use it with

  • Xtreme-Duty Power Steering Hose Kit
  • PSC 715 Power Steering Fluid
  • PSC 729 Premium Flushing Oil
  • PSC Power Steering Fluid Changeover Kit
  • Power Steering Pump Pulley Installer/Removal Tool

Ideal for

  • Heavy towing
  • Work trucks
  • Fleet vehicles
  • Large tire applications
  • Overland builds
  • Off-road trucks
  • Trucks with steering upgrades
  • Drivers looking for improved steering performance and reliability

Specs

  • Pump Series: XD Series
  • Includes Performance Pulley: Yes
  • Application: Chevrolet/GMC HD Trucks
  • Engine Compatibility: 6.6L Duramax Diesel

What’s included

  • XD Series Power Steering Pump
  • PSC Performance Pulley

SupportSupport

OEM Cross Reference

GM 86563312

GM 86563319

California Prop 65 Warning

California Prop 65 Warning

This product can expose you to chemicals including lead and di (2-ethylhexyl) phthalate, which are known to the State of California to cause cancer, birth defects or other reproductive harm.

For more information, go to www.P65Warnings.ca.gov