Move high-pressure fluid from the power steering pump to the hydroboost unit with the Sunsong Power Steering Pressure Line Hose Assembly 3401533. It's a direct-fit replacement for the 2003-2006 Cadillac Escalade, Escalade ESV, and Escalade EXT; 2003-2006 Chevrolet Avalanche 1500, Sonora, Suburban 1500, and Tahoe; 2003-2006 GMC Yukon and Yukon XL 1500; and the 2003 GMC Yukon XL 2500 — see the Buyer's Guide tab for engine-level fitment.
- Pump-to-hydroboost line: routes pressurized steering fluid from the pump to the hydroboost; if the original hose is cracked, leaking, or seeping, this replaces it.
- Pre-assembled with brackets: ships ready to install to reduce labor time compared with versions sold as individual hoses.
- Built to exceed OE performance: rated for a 1,500 psi max working pressure, an 8,700 psi burst pressure, and 1,600 lb tensile strength for durability.
- Factory-tested: every pressure hose is high-pressure quality-assurance tested before leaving the factory.
Sunsong is a vertically integrated manufacturer of automotive fluid transfer hoses and lines, engineered for exact form, fit, and function.
Interchange: 36-353800 · 2647-273509 · 979-2239
36353800 · 2647273509 · 9792239 · 35380 · 80338 · 80338E · 353800 · 15077523 · 15295855 · 73517 · 1329 · 13401533
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 pump to the hydroboost unit. If the original pump-to-hydroboost line is leaking, cracked, or seeping, this assembly replaces it.
Does it come with brackets?
Yes. The pressure and return hoses are pre-assembled with brackets, so it installs ready to go and reduces labor time versus hoses sold individually.
What are the pressure ratings?
Sunsong rates this pressure hose for a 1,500 psi max working pressure, an 8,700 psi burst pressure, and 1,600 lb tensile strength.
Which vehicles does it fit?
It fits the 2003-2006 Cadillac Escalade, ESV, and EXT; 2003-2006 Chevrolet Avalanche 1500, Sonora, Suburban 1500, and Tahoe; 2003-2006 GMC Yukon and Yukon XL 1500; and the 2003 GMC Yukon XL 2500.
Is the hose tested before shipping?
Yes. Every pressure hose is subjected to a high-pressure quality assurance test before leaving the factory to help ensure trouble-free installation and operation.
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