OE Quality
60-Day Returns

Sunsong 3401750 Power Steering Pressure Line Hose Assembly
Power Steering Pressure Line Hose for Classic GM Fitments
Sunsong 3401750 is a power steering pressure line hose assembly built for select classic Buick, Chevrolet, Oldsmobile, Pontiac, and Jeep applications. It is engineered to match original routing and connection points for a direct replacement on vehicles such as the Pontiac LeMans, Chevrolet Malibu, and Oldsmobile Cutlass.
Key Features
- Pressure hose assembly with 11/16 in. male inverted flare end and 5/8 in. male inverted flare end
- 29.8 in. overall length for the listed steering applications
- CSM hose material for durability in power steering service
- High-grade steel tubing with zinc electroplating for corrosion and rust resistance
- Rated for 1,500 psi maximum working pressure, 8,700 psi burst pressure, and 1,600 lb tensile strength
- Precision-engineered to original fit requirements for the listed vehicles
- Each hose is pressure tested before leaving the factory
Detailed Description
This Sunsong power steering pressure line hose assembly, part number 3401750, is built for direct replacement on a wide range of older rear-wheel-drive and intermediate GM platforms, plus select Jeep Wagoneer applications. It is made to restore proper hydraulic steering fluid transfer between the pump and steering gear, with exact-fit dimensions and OE-style flare fittings for the specified vehicles. The steel tubing is zinc-coated to help resist road salt, moisture, grime, and humidity, while the hose construction is rated above original equipment performance standards for pressure and tensile strength.
This part cross-references Gates 355360 and Hayden 5073 for the same application. Common search terms for this part include power steering pressure hose for 1977-1979 Pontiac LeMans, 1978-1979 Chevrolet Malibu power steering hose, and 1977-1980 Buick LeSabre steering pressure line. Sunsong 3401750 also serves fitments across Buick Riviera, Oldsmobile Toronado, Pontiac Grand Prix, and Chevrolet Caprice applications listed below.
What It Helps Address
- Power steering fluid leaks at the pressure line
- Hard steering caused by a failing or restricted hose
- Cracked, corroded, or rusted steel tubing
- Incorrect hose length or flare fitting mismatch during replacement
- Loss of hydraulic pressure in the steering system
Installation Notes and Fitment
Compatible With the following applications:
- Fits 1977-1980 Buick LeSabre, N/A, w/ Flared Fitting, w/o Air Pump
- Fits 1977-1979 Buick Skylark, N/A, w/ Flared Fitting, w/o Air Pump
- Fits 1973-1976 Buick Riviera, N/A
- Fits 1980 Chevrolet Caprice, N/A, w/ California Emissions, w/ Flared Fitting, w/o Air Pump
- Fits 1978-1979 Chevrolet Caprice, N/A, w/o Air Pump
- Fits 1978-1980 Chevrolet El Camino, N/A, w/ Flared Fitting, w/o Air Pump
- Fits 1978-1979 Chevrolet Impala, N/A, w/o Air Pump
- Fits 1978-1979 Chevrolet Malibu, N/A, w/o Air Pump
- Fits 1980 Chevrolet Malibu, N/A, w/ California Emissions, w/ Flared Fitting, w/o Air Pump
- Fits 1978-1979 Chevrolet Monte Carlo, N/A, w/o Air Pump
- Fits 1980 Chevrolet Monte Carlo, N/A, w/ California Emissions, w/ Flared Fitting, w/o Air Pump
- Fits 1970-1971 Jeep Wagoneer, N/A, w/o Restrictor
- Fits 1977-1980 Oldsmobile Cutlass, N/A, w/ Flared Fitting, w/o Air Pump
- Fits 1978-1979 Oldsmobile Cutlass Calais, N/A, w/o Air Pump
- Fits 1980 Oldsmobile Cutlass Calais, N/A, w/ Flared Fitting, w/o Air Pump
- Fits 1978-1979 Oldsmobile Cutlass Cruiser, N/A
- Fits 1980 Oldsmobile Cutlass Cruiser, N/A, w/ Flared Fitting, w/o Air Pump
- Fits 1978-1979 Oldsmobile Cutlass Salon, N/A, w/o Air Pump
- Fits 1980 Oldsmobile Cutlass Salon, N/A, w/ Flared Fitting, w/o Air Pump
- Fits 1977-1979 Oldsmobile Cutlass Supreme, N/A, w/o Air Pump
- Fits 1980 Oldsmobile Cutlass Supreme, N/A, w/ Flared Fitting, w/o Air Pump
- Fits 1977-1979 Oldsmobile Delta 88, N/A, w/o Air Pump
- Fits 1980 Oldsmobile Delta 88, N/A, w/ Flared Fitting, w/o Air Pump
- Fits 1977-1979 Oldsmobile Omega, N/A, w/o Air Pump
- Fits 1977-1979 Pontiac Catalina, N/A, w/o Air Pump
- Fits 1977 Pontiac Catalina, N/A, Exc. Air Pump
- Fits 1977 Pontiac Catalina, N/A, Exc. Air Pump, OEM Design
- Fits 1980 Pontiac Catalina, N/A, Exc. Air Pump, w/ Flared Fitting
- Fits 1980 Pontiac Catalina, N/A, w/ Flared Fitting, w/o Air Pump
- Fits 1977-1979 Pontiac Firebird, N/A, w/o Air Pump
- Fits 1979 Pontiac Grand Am, N/A, w/o Air Pump
- Fits 1977-1979 Pontiac Grand LeMans, N/A, w/o Air Pump
- Fits 1977-1978 Pontiac Grand LeMans, N/A, Exc. Air Pump, OEM Design
- Fits 1978-1979 Pontiac Grand Prix, N/A, w/o Air Pump
- Fits 1980 Pontiac Grand Prix, N/A, w/ Flared Fitting, w/o Air Pump
- Fits 1978-1979 Pontiac Laurentian, N/A, Exc. Air Pump
- Fits 1969 Pontiac LeMans, N/A
- Fits 1977-1979 Pontiac LeMans, N/A, Exc. Air Pump, OEM Design
- Fits 1977-1979 Pontiac LeMans, N/A, w/o Air Pump
- Fits 1977 Pontiac LeMans, N/A, Exc. Air Pump
- Fits 1979 Pontiac LeMans, N/A, Exc. Air Pump
- Fits 1978-1979 Pontiac Parisienne, N/A, Exc. Air Pump
- Fits 1969 Pontiac Tempest, N/A
- Fits 1968-1970 Oldsmobile Toronado, N/A
Before installation, verify flare fitting size, hose routing, and air pump/emissions configuration against the vehicle listing. The hose is not listed with a bracket or PS switch port, so confirm the original mounting and port requirements before ordering. For classic GM steering repairs, Sunsong 3401750 is a direct-fit pressure line option for the specified applications.
Quality Assurance
Each hose is pressure tested at the factory before shipment. Sunsong also specifies high working-pressure, burst-pressure, and tensile-strength targets for this assembly, along with corrosion-resistant steel tubing to support long service life in demanding steering systems.
| Brand | Sunsong |
|---|---|
| Part Number | 3401750 |
| Bracket (Y/N) | N |
| End 1 Fitting Size (in) | 11/16 |
| End 1 Fitting Type | Male inverted flare |
| End 2 Fitting Size (in) | 5/8 |
| End 2 Fitting Type | Male inverted flare |
| Hose Material 1 | Csm |
| Length (in) | 29.8 |
| Length (mm) | 756 |
| PS Switch Port (Y/N) | N |
| Tech Tip | Tt1000 |
This part fits 102 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Position | Notes |
|---|---|---|---|---|---|---|
| 1980 | Buick | LeSabre | Limited | N/A | w/ Flared Fitting, w/o Air Pump | |
| 1980 | Buick | LeSabre | Base | N/A | w/ Flared Fitting, w/o Air Pump | |
| 1980 | Chevrolet | Caprice | N/A | w/ California Emissions, w/ Flared Fitting, w/o Air Pump | ||
| 1980 | Chevrolet | El Camino | N/A | w/ California Emissions, w/ Flared Fitting, w/o Air Pump | ||
| 1980 | Chevrolet | Impala | N/A | w/ California Emissions, w/ Flared Fitting, w/o Air Pump | ||
| 1980 | Chevrolet | Malibu | N/A | w/ California Emissions, w/ Flared Fitting, w/o Air Pump | ||
| 1980 | Chevrolet | Monte Carlo | N/A | w/ California Emissions, w/ Flared Fitting, w/o Air Pump | ||
| 1980 | Oldsmobile | Cutlass | N/A | w/ Flared Fitting, w/o Air Pump | ||
| 1980 | Oldsmobile | Cutlass Calais | Base | N/A | w/ Flared Fitting, w/o Air Pump | |
| 1980 | Oldsmobile | Cutlass Cruiser | N/A | w/ Flared Fitting, w/o Air Pump | ||
| 1980 | Oldsmobile | Cutlass Salon | N/A | w/ Flared Fitting, w/o Air Pump | ||
| 1980 | Oldsmobile | Cutlass Supreme | N/A | w/ Flared Fitting, w/o Air Pump | ||
| 1980 | Oldsmobile | Delta 88 | N/A | w/ Flared Fitting, w/o Air Pump | ||
| 1980 | Pontiac | Bonneville | N/A | w/ Flared Fitting, w/o Air Pump | ||
| 1980 | Pontiac | Catalina | N/A | w/ Flared Fitting, w/o Air Pump | ||
| 1980 | Pontiac | Catalina | N/A | Exc. Air Pump, w/ Flared Fitting | ||
| 1980 | Pontiac | Grand Prix | N/A | w/ Flared Fitting, w/o Air Pump | ||
| 1979 | Buick | LeSabre | Limited | N/A | w/ Flared Fitting, w/o Air Pump | |
| 1979 | Buick | LeSabre | Base | N/A | w/ Flared Fitting, w/o Air Pump | |
| 1979 | Buick | Skylark | N/A | w/ Flared Fitting, w/o Air Pump | ||
| 1979 | Chevrolet | Caprice | N/A | w/o Air Pump | ||
| 1979 | Chevrolet | El Camino | N/A | w/ Flared Fitting, w/o Air Pump | ||
| 1979 | Chevrolet | Impala | N/A | w/o Air Pump | ||
| 1979 | Chevrolet | Malibu | N/A | w/o Air Pump | ||
| 1979 | Chevrolet | Monte Carlo | N/A | w/o Air Pump | ||
| 1979 | Oldsmobile | Cutlass Calais | Base | Coupe | N/A | w/o Air Pump |
| 1979 | Oldsmobile | Cutlass Salon | Brougham | Sedan | N/A | w/o Air Pump |
| 1979 | Oldsmobile | Cutlass Salon | Brougham | Coupe | N/A | w/o Air Pump |
| 1979 | Oldsmobile | Cutlass Salon | Base | Sedan | N/A | w/o Air Pump |
| 1979 | Oldsmobile | Cutlass Salon | Base | Coupe | N/A | w/o Air Pump |
| 1979 | Oldsmobile | Cutlass Supreme | N/A | w/o Air Pump | ||
| 1979 | Oldsmobile | Delta 88 | N/A | w/o Air Pump | ||
| 1979 | Oldsmobile | Omega | N/A | w/o Air Pump | ||
| 1979 | Pontiac | Catalina | N/A | w/o Air Pump | ||
| 1979 | Pontiac | Firebird | N/A | w/o Air Pump | ||
| 1979 | Pontiac | Grand Am | Sedan | N/A | w/o Air Pump | |
| 1979 | Pontiac | Grand Am | Coupe | N/A | w/o Air Pump | |
| 1979 | Pontiac | Grand LeMans | Sedan | N/A | w/o Air Pump | |
| 1979 | Pontiac | Grand Prix | N/A | w/o Air Pump | ||
| 1979 | Pontiac | Laurentian | N/A | Exc. Air Pump | ||
| 1979 | Pontiac | LeMans | N/A | Exc. Air Pump, OEM Design | ||
| 1979 | Pontiac | LeMans | Sedan | N/A | w/o Air Pump | |
| 1979 | Pontiac | LeMans | Sedan | N/A | Exc. Air Pump | |
| 1979 | Pontiac | LeMans | Coupe | N/A | w/o Air Pump | |
| 1979 | Pontiac | LeMans | Coupe | N/A | Exc. Air Pump | |
| 1979 | Pontiac | Parisienne | N/A | Exc. Air Pump | ||
| 1978 | Buick | LeSabre | Custom | N/A | w/ Flared Fitting, w/o Air Pump | |
| 1978 | Buick | LeSabre | Base | N/A | w/ Flared Fitting, w/o Air Pump | |
| 1978 | Buick | Skylark | N/A | w/ Flared Fitting, w/o Air Pump | ||
| 1978 | Chevrolet | Caprice | N/A | w/o Air Pump | ||
| 1978 | Chevrolet | El Camino | N/A | w/o Air Pump | ||
| 1978 | Chevrolet | El Camino | N/A | |||
| 1978 | Chevrolet | Impala | N/A | w/o Air Pump | ||
| 1978 | Chevrolet | Malibu | N/A | w/o Air Pump | ||
| 1978 | Chevrolet | Malibu | N/A | |||
| 1978 | Chevrolet | Monte Carlo | N/A | w/o Air Pump | ||
| 1978 | Oldsmobile | Cutlass | Vista Cruiser | N/A | w/o Air Pump | |
| 1978 | Oldsmobile | Cutlass Calais | Base | N/A | w/o Air Pump | |
| 1978 | Oldsmobile | Cutlass Salon | N/A | w/o Air Pump | ||
| 1978 | Oldsmobile | Cutlass Supreme | N/A | w/o Air Pump | ||
| 1978 | Oldsmobile | Delta 88 | N/A | w/o Air Pump | ||
| 1978 | Oldsmobile | Omega | N/A | w/o Air Pump | ||
| 1978 | Pontiac | Catalina | N/A | w/o Air Pump | ||
| 1978 | Pontiac | Firebird | N/A | w/o Air Pump | ||
| 1978 | Pontiac | Grand LeMans | N/A | w/o Air Pump | ||
| 1978 | Pontiac | Grand LeMans | N/A | Exc. Air Pump, OEM Design | ||
| 1978 | Pontiac | Grand Prix | N/A | w/o Air Pump | ||
| 1978 | Pontiac | Laurentian | N/A | Exc. Air Pump | ||
| 1978 | Pontiac | LeMans | N/A | w/o Air Pump | ||
| 1978 | Pontiac | LeMans | N/A | Exc. Air Pump, OEM Design | ||
| 1978 | Pontiac | Parisienne | N/A | Exc. Air Pump | ||
| 1977 | Buick | LeSabre | Custom | N/A | w/ Flared Fitting, w/o Air Pump | |
| 1977 | Buick | LeSabre | Base | N/A | w/ Flared Fitting, w/o Air Pump | |
| 1977 | Buick | Skylark | N/A | w/ Flared Fitting, w/o Air Pump | ||
| 1977 | Oldsmobile | Cutlass | N/A | w/o Air Pump | ||
| 1977 | Oldsmobile | Cutlass Supreme | N/A | w/o Air Pump | ||
| 1977 | Oldsmobile | Delta 88 | Royale | N/A | w/o Air Pump | |
| 1977 | Oldsmobile | Delta 88 | Base | N/A | w/o Air Pump | |
| 1977 | Oldsmobile | Omega | N/A | |||
| 1977 | Oldsmobile | Omega | N/A | w/o Air Pump | ||
| 1977 | Pontiac | Catalina | N/A | Exc. Air Pump | ||
| 1977 | Pontiac | Catalina | N/A | w/o Air Pump | ||
| 1977 | Pontiac | Catalina | N/A | Exc. Air Pump, OEM Design | ||
| 1977 | Pontiac | Firebird | N/A | w/o Air Pump | ||
| 1977 | Pontiac | Grand LeMans | N/A | Exc. Air Pump | ||
| 1977 | Pontiac | Grand LeMans | N/A | w/o Air Pump | ||
| 1977 | Pontiac | Grand LeMans | N/A | Exc. Air Pump, OEM Design | ||
| 1977 | Pontiac | LeMans | N/A | Exc. Air Pump | ||
| 1977 | Pontiac | LeMans | N/A | w/o Air Pump | ||
| 1977 | Pontiac | LeMans | N/A | Exc. Air Pump, OEM Design | ||
| 1976 | Buick | Riviera | N/A | |||
| 1975 | Buick | Riviera | N/A | |||
| 1974 | Buick | Riviera | Base | N/A | ||
| 1973 | Buick | Riviera | Base | N/A | ||
| 1971 | Jeep | Wagoneer | Base | N/A | w/o Restrictor | |
| 1970 | Buick | Skylark | N/A | |||
| 1970 | Jeep | Wagoneer | Base | N/A | w/o Restrictor | |
| 1970 | Oldsmobile | Toronado | N/A | |||
| 1969 | Oldsmobile | Toronado | N/A | |||
| 1969 | Pontiac | LeMans | N/A | |||
| 1969 | Pontiac | Tempest | N/A | |||
| 1968 | Oldsmobile | Toronado | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.