Keep hydraulic assist flowing with the Sunsong Power Steering Pressure Line Hose Assembly 3401426, the high-pressure line that routes pressurized fluid from the power steering pump to the steering gear. It installs as a direct-fit replacement for the 1980-1987 Buick Electra, 1980-1983 Buick Estate Wagon, 1980-1990 Buick LeSabre, 1980-1984 Oldsmobile 98, 1980-1990 Oldsmobile Custom Cruiser, 1980-1985 Oldsmobile Delta 88, 1986 Cadillac Fleetwood, 1986-1990 Chevrolet Caprice, 1987-1990 Cadillac Brougham, and 1987-1989 Pontiac Safari — see the Buyer's Guide tab for engine-level fitment.
- Pre-assembled with brackets: ships ready to install for reduced labor time versus versions sold as individual hoses.
- Precision engineered to exact fit: includes the additional components needed to restore the wearable parts to original condition.
- Exceeds OE performance standards: rated to a 1,500 psi max working pressure, an 8,700 psi burst pressure, and 1,600 lb tensile strength for durable, long service.
- Factory pressure-tested: every pressure hose passes a high-pressure quality-assurance test before leaving the plant.
Signs this hose may need replacing include fluid leaks at the fittings, a whining pump, or increased steering effort. If a failed pressure line is the cause, this assembly replaces it.
Interchange: 36-361780 · 2647-273054 · 979-1043
36361780 · 2647273054 · 9791043 · 36178 · 71120 · 361780 · 26001692 · 7833365 · 76047 · 1267 · 13401426
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this part do?
It is the high-pressure power steering line that carries pressurized fluid from the power steering pump to the steering gear, allowing hydraulic assist.
Does it come pre-assembled?
Yes. The hose is pre-assembled with brackets and includes the additional components needed, so it installs ready to fit and reduces labor time.
What are the pressure ratings?
The pressure hose is rated to a 1,500 psi maximum working pressure, an 8,700 psi burst pressure, and 1,600 lb tensile strength.
How do I know if my pressure line has failed?
Watch for power steering fluid leaks at the fittings, a whining pump, or increased steering effort. Diagnose the cause before replacing.
Will this fit my vehicle?
It is a direct-fit replacement for the listed Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac applications. Check the Buyer's Guide tab for engine-level fitment.
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