Restore firm, leak-free power steering with the Sunsong Power Steering Pressure Line Hose Assembly 3401648, a direct-fit replacement that carries high-pressure fluid from the hydroboost unit to the steering gear on a wide range of 1970s Chevrolet and GMC trucks. It fits applications including the 1973-1974 Chevrolet Blazer, 1975-1979 Chevrolet C10, 1973-1979 Chevrolet C10 Suburban, 1977-1979 Chevrolet K30, 1973-1979 GMC Jimmy, 1975-1978 GMC K25, and 1979 GMC K1500 — see the "Vehicles it fits" section for the full list of 49 applications.
Sunsong builds automotive fluid transfer hoses and lines, engineering these assemblies for exact form, fit, and function. Signs the original line may need replacing include power steering fluid leaks, a whine from the pump, or hardened, cracked hose.
Interchange: 36-364220 · 979-3114
36364220 · 9793114 · 36422 · 70924 · C1TZ3A719C · C5TZ3A719J · C5TZ3A719K · C7TA3A719D · C7TA3A719U · C7TZ3A719C · C7TZ3A719D · C8HZ3A719C · C8TZ3A719A · C8TZ3A719B · C8TZ3A719D · C8TZ3A719E · 364220 · 7817508 · 7818562 · 7832378 · 71646 · 4995 · 13401648
This part cross-references / interchanges with the following part numbers:
What does this power steering pressure line hose assembly do?
It carries high-pressure power steering fluid from the hydroboost unit to the steering gear, delivering the hydraulic pressure that provides steering assist.
Does it come pre-assembled?
Yes. The pressure hose is pre-assembled with brackets, so it installs ready to fit and reduces labor time versus hoses sold individually.
What are the pressure ratings?
Sunsong rates this pressure hose for a max working pressure of 1,500 psi, a burst pressure of 8,700 psi, and 1,600 lb tensile strength.
Will this fit my truck?
It fits many 1973-1979 Chevrolet and GMC C/K trucks, Blazer, Suburban, and Jimmy models. Check the "Vehicles it fits" section to confirm your exact year, make, and model.
What are signs my pressure line needs replacing?
Common signs include power steering fluid leaks, a whining pump, or hardened and cracked hose. Diagnose the cause before ordering; if the line is at fault, this replaces it.
No reviews yet — be the first to review this product.
Write a Review
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
