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  • Black 2001-2010 GMC 2500/3500 HD 6.6 Duramax Hydro-Boost to Steering Pump Xtreme-Duty Pressure Hose Assembly
  • Side angle of 2001-2010 GMC 2500/3500 HD 6.6 Duramax Hydro-Boost to Steering Pump Xtreme-Duty Pressure Hose Assembly
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Pressure Hose – GMC 2500/3500 HD 6.6L Duramax (2001–2010) – Hydro‑Boost to Steering Pump

Pressure Hose – GMC 2500/3500 HD 6.6L Duramax (2001–2010) – Hydro‑Boost to Steering Pump

$32.50
$32.50
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Part Number: HE80337

This pressure hose connects the Hydro‑Boost unit to the power steering pump on 2001–2010 GMC 2500 and 3500 HD trucks equipped with the 6.6L Duramax. It’s built to handle the high pressures seen in Hydro‑Boost brake systems while maintaining proper routing in the engine bay.

Designed as a direct‑fit replacement, this hose installs clean without adapters or reworking the layout. Correct length and end fittings keep the system sealed and operating the way it was designed, whether you’re servicing the steering system, the brakes, or both.

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About:About:

Why you’ll love it

  • Built for Hydro‑Boost pressure applications
  • Direct fit for GMC 2500/3500 HD Duramax trucks
  • Correct length and routing for clean installation
  • Supports reliable steering and brake assist operation

Tech InfoTech Info

Heads‑up for installers

  • This is a high‑pressure hose—verify connection points before installation
  • Inspect mating surfaces for damage or debris
  • Torque fittings to manufacturer specifications
  • Bleed the power steering system after installation

Fitment

  • GMC 2500 HD / 3500 HD
  • Model years 2001–2010
  • Engine: 6.6L Duramax Diesel
  • Equipped with Hydro‑Boost braking system

Ideal for

  • Replacing a leaking or damaged pressure hose
  • Power steering or Hydro‑Boost service work
  • Maintaining proper brake assist and steering performance

Specs

Hose Type: High‑pressure Hydro‑Boost to pump
Application: Steering pump pressure line
Platform: GMC HD Duramax
System: Hydro‑Boost

What’s included

(1) Hydro‑Boost to steering pump pressure hose

SupportSupport

OEM Cross Reference

GM 15804953 Direct Replacement

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