Route high-pressure fluid from the pump to the steering gear with the Sunsong Power Steering Pressure Line Hose Assembly 3401689, a direct-fit replacement for the 2003 Cadillac Escalade, 2003 Chevrolet Avalanche 1500, 2003 Chevrolet Suburban 1500, 2003 Chevrolet Tahoe, 2003 GMC Yukon, and 2003 GMC Yukon XL 1500 (see the Buyer's Guide tab for engine-level fitment). Sunsong is a vertically integrated maker of automotive fluid-transfer hoses and lines, engineering products around what the installer needs to deliver correct form, fit, and function.
- Pre-assembled with brackets: the pressure hose ships ready to fit, easing installation and cutting labor time versus versions sold as individual hoses.
- Rated for demanding service: the pressure hose is built to exceed original-equipment performance with a max working pressure of 1,500 psi, an 8,700 psi burst rating, and 1,600 lb tensile strength for exceptional durability.
- Complete for the job: precision-engineered to exact fit and supplied with the additional components needed so wearable parts are restored to original condition.
- Factory-tested: every pressure hose passes a high-pressure quality-assurance test before leaving the factory for trouble-free installation and operation.
Signs the original hose may need replacing include fluid leaks at the fittings, cracked or swollen hose, and whining or hard steering.
Interchange: 36-353820 · 2647-273518 · 979-2201
36353820 · 2647273518 · 9792201 · 35382 · 80339 · 353820 · 15095939 · 73518 · 1328 · 13401689
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 steering gear. If a failed or leaking pressure hose is the cause of your steering trouble, this assembly replaces it.
Does it come pre-assembled?
Yes. The pressure hose is pre-assembled with brackets, which eases installation and reduces labor time compared with versions sold as individual hoses.
What are the pressure ratings?
Sunsong lists a max working pressure of 1,500 psi, a burst pressure rating of 8,700 psi, and 1,600 lb tensile strength, exceeding original-equipment performance standards.
Which vehicles does 3401689 fit?
It is a direct-fit replacement for the 2003 Cadillac Escalade, Chevrolet Avalanche 1500, Suburban 1500, Tahoe, GMC Yukon, and Yukon XL 1500. See the Buyer's Guide tab to confirm your vehicle.
Is it tested before shipping?
Yes. Every pressure hose is subjected to a high-pressure quality-assurance test at the factory to help ensure trouble-free installation and operation.
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