Move high-pressure fluid from the power steering pump to the hydroboost unit with the Sunsong Power Steering Pressure Line Hose Assembly 3401797. This pump-to-hydroboost pressure line drops in as a direct-fit replacement for the 1983-1989 Chevrolet P20, the 1983-1991 and 1993-1995 Chevrolet P30, the 1983-1989 GMC P2500, and the 1983-1995 GMC P3500 — see the Buyer's Guide tab for engine-level details.
- Pre-assembled with brackets: ships ready to install, reducing labor time compared with replacement hoses sold as individual pieces.
- Precision-engineered fit: built to exact fit and includes the additional components needed to restore the wearable parts to original condition.
- High pressure ratings: the pressure hose is rated to a 1,500 psi max working pressure, an 8,700 psi burst pressure, and 1,600 lb tensile strength — exceeding original equipment performance standards.
- Factory tested: every pressure hose is subjected to a high-pressure quality-assurance test before leaving the factory.
Sunsong is a vertically integrated manufacturer of automotive fluid-transfer hoses and lines, developing products to deliver exact form, fit, and function.
Interchange: 36-366220 · 979-3041
36366220 · 9793041 · 36622 · 71250 · 91889 · 366220 · 26006922 · 26032917 · 7842012 · 7842265 · 72307 · 34916 · 34924 · 13401797
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this hose assembly do?
It carries pressurized power steering fluid from the power steering pump to the hydroboost unit. This is the pump-to-hydroboost pressure line.
Which vehicles does the 3401797 fit?
It's a direct-fit replacement for the 1983-1989 Chevrolet P20, 1983-1991 and 1993-1995 Chevrolet P30, 1983-1989 GMC P2500, and 1983-1995 GMC P3500. Check the Buyer's Guide tab for engine details.
Does it come with brackets?
Yes. The assembly is pre-assembled with brackets and includes the additional components needed to restore the wearable parts to original condition, reducing labor versus individual hoses.
What are the pressure hose's ratings?
The pressure hose is rated to a 1,500 psi max working pressure, an 8,700 psi burst pressure, and 1,600 lb tensile strength, exceeding original equipment performance standards.
What are signs this pressure line may need replacing?
Common signs include fluid leaks at the hose or fittings, low fluid, whining from the pump, or hard steering. Diagnose the cause before replacing, as other parts can be involved.
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