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SunsongPart #: 3401648
Sunsong 3401648 Power Steering Pressure Line Hose Assembly - Hydroboost To Gear
⚙️ 86 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$35.64Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
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✅ In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, C10, C10 Suburban, C20, C20 Suburban, C30, K10, K10 Suburban, K20, K20 Suburban, K30, K5 Blazer, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, Jimmy, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, C15, C15 Suburban, C25, C25 Suburban, C35, K15, K15 Suburban, K25, K25 Suburban, K35, Blazer, C10 Pickup, C20 Pickup, C30 Pickup, K10 Pickup, K20 Pickup, K30 Pickup, C15/C1500 Pickup, C15/C1500 Suburban, C25/C2500 Pickup, C25/C2500 Suburban, C35/C3500 Pickup, K15/K1500 Pickup, K15/K1500 Suburban, K25/K2500 Pickup, K25/K2500 Suburban, and K35/K3500 Pickup
🔄Easy Returns — Return within 60 days for a full refund
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Not what you need? Click here for all Power Steering Pressure Line Hose Assembly options
Power Steering Pressure Line Hose Assembly Overview
The Sunsong 3401648 power steering pressure line hose assembly is designed for reliable hydraulic fluid transfer in select Chevrolet and GMC trucks and SUVs. Engineered with durable CSM hose material and precise fittings, this hose assembly supports consistent steering performance in vehicles like the Chevrolet Blazer and GMC K1500.
- Compatible with Chevrolet and GMC models including Blazer, C10, C1500, K5 Blazer, and more
- Length of 52.4 inches (1330 mm) for proper fitment in specified vehicles
- End 1 fitting: 5/8 inch male inverted flare
- End 2 fitting: 11/16 inch male inverted flare
- Constructed with CSM hose material for durability and resistance to hydraulic fluids
- No bracket or power steering switch port included
Detailed Product Description
The Sunsong 3401648 power steering pressure line hose assembly is built to meet the hydraulic requirements of various Chevrolet and GMC trucks and SUVs. Its 52.4-inch length ensures proper routing and connection between the power steering pump and steering gear. Both ends feature male inverted flare fittings—5/8 inch on one end and 11/16 inch on the other—providing secure, leak-resistant connections. The hose material is CSM (chlorosulfonated polyethylene), known for its resistance to heat, oil, and abrasion, which helps maintain system integrity under demanding conditions. This assembly does not include a bracket or power steering switch port, simplifying installation in compatible vehicles.
Applications and Problem Solving
- Replaces worn or leaking power steering pressure hoses in Chevrolet Blazer and GMC Jimmy models
- Addresses power steering fluid leaks causing reduced steering responsiveness
- Restores proper hydraulic pressure for smooth steering operation in C10 and K1500 trucks
- Prevents hose failure due to abrasion or heat exposure in older vehicles
- Eliminates issues related to incorrect hose length or fitting incompatibility
Installation Notes and Tips
- Verify hose length and fitting sizes before installation to ensure compatibility
- Use appropriate flare nut wrenches to avoid damaging fittings during removal and installation
- Inspect power steering system for leaks and fluid condition when replacing the hose
- Bleed the power steering system after installation to remove air and ensure proper function
- Follow vehicle-specific service manual instructions for torque specifications and routing
Quality Assurance and Warranty
Sunsong power steering hoses are manufactured to meet or exceed OEM specifications for durability and performance. The 3401648 hose assembly undergoes rigorous quality control to ensure leak-free operation and long service life. While specific warranty details may vary, Sunsong products typically include a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.
| Brand | Sunsong |
| Part Number | 3401648 |
| End 1 Fitting Size (in) | 5/8 |
| End 1 Fitting Type | Male Inverted Flare |
| End 2 Fitting Size (in) | 11/16 |
| End 2 Fitting Type | Male Inverted Flare |
| Hose Material 1 | CSM |
| Length (in) | 52.4 |
| Length (mm) | 1330 |
| Tech Tip | TT1000 |
This part fits 86 vehicles. Search below:
| Year | Make | Model | Fuel Type | Position | Notes |
|---|---|---|---|---|---|
| 1979 | Chevrolet | C10 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1979 | Chevrolet | C10 | DIESEL | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. |
| 1979 | Chevrolet | C10 Suburban | Hydroboost To Gear | ||
| 1979 | Chevrolet | C20 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1979 | Chevrolet | C20 Suburban | Hydroboost To Gear | ||
| 1979 | Chevrolet | C30 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1979 | Chevrolet | K10 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1979 | Chevrolet | K10 Suburban | Hydroboost To Gear | ||
| 1979 | Chevrolet | K20 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1979 | Chevrolet | K20 Suburban | Hydroboost To Gear | ||
| 1979 | Chevrolet | K30 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1979 | Chevrolet | K5 Blazer | Hydroboost To Gear | ||
| 1979 | GMC | C1500 | Hydroboost To Gear | ||
| 1979 | GMC | C1500 Suburban | Hydroboost To Gear | ||
| 1979 | GMC | C2500 | Hydroboost To Gear | ||
| 1979 | GMC | C2500 Suburban | Hydroboost To Gear | ||
| 1979 | GMC | C3500 | Hydroboost To Gear | ||
| 1979 | GMC | Jimmy | Hydroboost To Gear | ||
| 1979 | GMC | K1500 | Hydroboost To Gear | ||
| 1979 | GMC | K1500 Suburban | Hydroboost To Gear | ||
| 1979 | GMC | K2500 | Hydroboost To Gear | ||
| 1979 | GMC | K2500 Suburban | Hydroboost To Gear | ||
| 1979 | GMC | K3500 | Hydroboost To Gear | ||
| 1978 | Chevrolet | C10 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1978 | Chevrolet | C10 | DIESEL | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. |
| 1978 | Chevrolet | C10 Suburban | Hydroboost To Gear | ||
| 1978 | Chevrolet | C20 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1978 | Chevrolet | C20 Suburban | Hydroboost To Gear | ||
| 1978 | Chevrolet | C30 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1978 | Chevrolet | C30 | DIESEL | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. |
| 1978 | Chevrolet | K10 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1978 | Chevrolet | K10 Suburban | Hydroboost To Gear | ||
| 1978 | Chevrolet | K20 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1978 | Chevrolet | K20 Suburban | Hydroboost To Gear | ||
| 1978 | Chevrolet | K30 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1978 | Chevrolet | K5 Blazer | Hydroboost To Gear | ||
| 1978 | GMC | Jimmy | Hydroboost To Gear | ||
| 1977 | Chevrolet | C10 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1977 | Chevrolet | C10 | Hydroboost To Gear | ||
| 1977 | Chevrolet | C10 Suburban | Hydroboost To Gear | ||
| 1977 | Chevrolet | C20 | Hydroboost To Gear | ||
| 1977 | Chevrolet | C20 Suburban | Hydroboost To Gear | ||
| 1977 | Chevrolet | C30 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1977 | Chevrolet | C30 | Hydroboost To Gear | ||
| 1977 | Chevrolet | K10 | Hydroboost To Gear | ||
| 1977 | Chevrolet | K10 Suburban | Hydroboost To Gear | ||
| 1977 | Chevrolet | K20 | Hydroboost To Gear | ||
| 1977 | Chevrolet | K20 Suburban | Hydroboost To Gear | ||
| 1977 | Chevrolet | K30 | Hydroboost To Gear | ||
| 1977 | Chevrolet | K5 Blazer | Hydroboost To Gear | ||
| 1977 | GMC | Jimmy | Hydroboost To Gear | ||
| 1976 | Chevrolet | C10 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1976 | Chevrolet | C10 Suburban | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1976 | Chevrolet | C20 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1976 | Chevrolet | C20 Suburban | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1976 | Chevrolet | C30 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1976 | Chevrolet | K10 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1976 | Chevrolet | K10 Suburban | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1976 | Chevrolet | K20 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1976 | Chevrolet | K20 Suburban | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1976 | Chevrolet | K5 Blazer | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1976 | GMC | Jimmy | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1975 | Chevrolet | C10 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1975 | Chevrolet | C10 Suburban | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1975 | Chevrolet | C20 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1975 | Chevrolet | C20 Suburban | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1975 | Chevrolet | C30 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1975 | Chevrolet | K10 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1975 | Chevrolet | K10 Suburban | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1975 | Chevrolet | K20 | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1975 | Chevrolet | K20 Suburban | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1975 | Chevrolet | K5 Blazer | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1975 | GMC | Jimmy | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1974 | Chevrolet | Blazer | N/A | ||
| 1974 | Chevrolet | Blazer | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1974 | Chevrolet | C10 Suburban | Hydroboost To Gear | ||
| 1974 | Chevrolet | C20 Suburban | Hydroboost To Gear | ||
| 1974 | Chevrolet | K10 Suburban | Hydroboost To Gear | ||
| 1974 | Chevrolet | K20 Suburban | Hydroboost To Gear | ||
| 1974 | GMC | Jimmy | Hydroboost To Gear | ||
| 1973 | Chevrolet | Blazer | Hydroboost To Gear | For vehicles with hydroboost systems, Power Steering Return Line End Fitting. | |
| 1973 | Chevrolet | C10 Suburban | Hydroboost To Gear | ||
| 1973 | Chevrolet | C20 Suburban | Hydroboost To Gear | ||
| 1973 | Chevrolet | K10 Suburban | Hydroboost To Gear | ||
| 1973 | Chevrolet | K20 Suburban | Hydroboost To Gear | ||
| 1973 | GMC | Jimmy | Hydroboost To Gear |
* 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:
36-364220364220499570924781750878185627832378979-3114C1TZ3A719CC5TZ3A719JC5TZ3A719KC7TA3A719DC7TA3A719UC7TZ3A719CC7TZ3A719DC8HZ3A719CC8TZ3A719AC8TZ3A719BC8TZ3A719DC8TZ3A719E
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.