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CardonePart #: 20-7939
Cardone 20-7939 Power Steering Pump
28 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Power Steering Pump
Fitment: Chevrolet and GMC, Astro, C2500, C35, C3500, K2500, K3500, and Safari
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Reliable Power Steering Pump for Chevrolet and GMC Vehicles
The Cardone Power Steering Pump 20-7939 is designed to restore smooth and responsive steering for select Chevrolet and GMC models. This remanufactured pump offers a durable cast iron housing and precise fitment for vehicles like the Chevrolet Astro and GMC Safari.
- Remanufactured power steering pump with cast iron housing
- Compatible with Chevrolet Astro, GMC Safari, and heavy-duty C/K series trucks
- Includes hydraulic pump, instruction sheet, and sealing kit
- Features O-ring hose port type and threaded outlet attachment
- Press-on pulley attachment type (pulley not included)
- Power steering outlet thread size 16x1.5 with one outlet
- Reservoir included; remote reservoir and reservoir cap not included
About the Cardone Power Steering Pump Line
The Cardone Power Steering Pump product line focuses on remanufactured components engineered to meet or exceed original equipment specifications. This line emphasizes durability and precise fitment, making it suitable for professional repairs and maintenance on Chevrolet and GMC vehicles. The 20-7939 pump is part of this line, providing a reliable replacement option for power steering systems requiring a cast iron housing and specific hose and outlet connections.
Product Details and Specifications
This power steering pump features a cast iron housing for strength and longevity. It uses an O-ring type hose port and a threaded outlet attachment sized at 16x1.5, designed for a single outlet. The inlet attachment is a hose barb, ensuring secure fluid flow. The pulley attachment is press-on style; note that the pulley is not included with this pump. The package contains the hydraulic pump, an instruction sheet, and a sealing kit to assist with installation. The pump comes with a reservoir but does not include a remote reservoir or reservoir cap.
Common Applications and Problem Solving
- Restores power assist in Chevrolet Astro and GMC Safari steering systems
- Replaces worn or leaking power steering pumps in Chevrolet C2500, C3500, K2500, and K3500 trucks
- Eliminates whining noises caused by failing pumps
- Addresses hard steering issues related to pump malfunction
- Resolves fluid contamination problems affecting steering performance
Installation Notes and Tips
When installing the Cardone 20-7939 power steering pump, ensure the pulley is compatible and undamaged, as the pulley is not included. Use the provided sealing kit to prevent leaks at hose connections. Check for contamination in the pressure hose if assist is only present at higher engine RPMs. Regularly inspect and replace power steering fluid as recommended by the vehicle manufacturer to maintain pump performance.
Quality Assurance and Warranty
This remanufactured power steering pump undergoes rigorous testing to meet OEM standards for fit, form, and function. Cardone provides a warranty covering defects in materials and workmanship, supporting reliable operation for Chevrolet and GMC power steering systems. Refer to Cardone’s warranty documentation for specific coverage details.
| Brand | Cardone |
|---|---|
| Part Number | 20-7939 |
| Position | Power Steering Pump |
| E-Waste | No |
| FAQs | I bought a replacement power steering pump and my original pulley |
| FAQs | I only have assist when increasing engine rpm after installing th |
| FAQs | Most likely cause is contamination. remove the pressure hose and |
| FAQs | Should i ever change my fluid, even though nothing is wrong? |
| FAQs | The problem is not in the pump, it is in the steering gear. the p |
| FAQs | The pulley may have cracked upon removal. if the shaft was mushro |
| FAQs | Why do i still have hard steering in one direction after i replac |
| FAQs | Why is the pump making a whining noise all of the time? |
| FAQs | Yes. some o.e. manufacturers recommend that power steering fluid |
| Hose Port Type | O-ring |
| Housing Material | Cast iron |
| Mounting Hardware Included | No |
| Package Contents | Hydraulic pump; instruction sheet; sealing kit |
| Power Steering Outlet ID Size | 0 |
| Power Steering Outlet Thread Size | 16x1.5 |
| Power Steering Pump Inlet Attachement Type | Hose barb |
| Power Steering Pump Outlet Attachment Type | Threaded |
| Power Steering Pump Outlet Quantity | 1 |
| Power Steering Reservoir Cap Included | No |
| Product Condition | Remanufactured |
| Pulley Attachement Type | Press-on |
| Pulley Included | No |
| Remote Reservoir | No |
| Reservoir Included | Yes |
This part fits 28 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1989 | Chevrolet | Astro | 4.3L | V6 | N/A | Reservoir included, optional filter, OE fluid recommended, system flush required for warranty.; Power Steering Pump |
| 1989 | Chevrolet | C2500 | 5.7L | V8 | N/A | with 8600 lb Gross Vehicle Weight (GVW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1989 | Chevrolet | C35 | 5.7L | V8 | N/A | with Single Rear Wheels (SRW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1989 | Chevrolet | C3500 | 5.7L | V8 | N/A | with Single Rear Wheels (SRW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1989 | Chevrolet | C3500 | 7.4L | V8 | N/A | with Single Rear Wheels (SRW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1989 | Chevrolet | K2500 | 5.7L | V8 | N/A | with 8600 lb Gross Vehicle Weight (GVW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1989 | Chevrolet | K3500 | 7.4L | V8 | N/A | with Single Rear Wheels (SRW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1989 | Chevrolet | K3500 | 5.7L | V8 | N/A | with Single Rear Wheels (SRW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1989 | GMC | C2500 | 5.7L | V8 | N/A | with 8600 lb Gross Vehicle Weight (GVW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1989 | GMC | C3500 | 5.7L | V8 | N/A | with Single Rear Wheels (SRW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1989 | GMC | C3500 | 7.4L | V8 | N/A | with Single Rear Wheels (SRW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1989 | GMC | K2500 | 5.7L | V8 | N/A | with 8600 lb Gross Vehicle Weight (GVW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1989 | GMC | K3500 | 7.4L | V8 | N/A | with Single Rear Wheels (SRW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1989 | GMC | K3500 | 5.7L | V8 | N/A | with Single Rear Wheels (SRW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1989 | GMC | Safari | 4.3L | V6 | N/A | Reservoir included, optional filter, OE fluid recommended, system flush required for warranty.; Power Steering Pump |
| 1988 | Chevrolet | Astro | 4.3L | V6 | N/A | Reservoir included, optional filter, OE fluid recommended, system flush required for warranty.; Power Steering Pump |
| 1988 | Chevrolet | C35 | 5.7L | V8 | N/A | with Single Rear Wheels (SRW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1988 | Chevrolet | C3500 | 5.7L | V8 | N/A | with Single Rear Wheels (SRW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1988 | Chevrolet | C3500 | 7.4L | V8 | N/A | with Single Rear Wheels (SRW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1988 | Chevrolet | K3500 | 7.4L | V8 | N/A | with Single Rear Wheels (SRW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1988 | Chevrolet | K3500 | 5.7L | V8 | N/A | with Single Rear Wheels (SRW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1988 | GMC | C3500 | 5.7L | V8 | N/A | with Single Rear Wheels (SRW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1988 | GMC | C3500 | 7.4L | V8 | N/A | with Single Rear Wheels (SRW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1988 | GMC | K3500 | 7.4L | V8 | N/A | with Single Rear Wheels (SRW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1988 | GMC | K3500 | 5.7L | V8 | N/A | with Single Rear Wheels (SRW); Reservoir Included; In-Line Filter available; without Aftermarket Filtration Improvement; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 1988 | GMC | Safari | 4.3L | V6 | N/A | Reservoir included, optional filter, OE fluid recommended, system flush required for warranty.; Power Steering Pump |
| 1987 | Chevrolet | Astro | 4.3L | V6 | N/A | Reservoir included, optional filter, OE fluid recommended, system flush required for warranty.; Power Steering Pump |
| 1987 | GMC | Safari | 4.3L | V6 | N/A | Reservoir included, optional filter, OE fluid recommended, system flush required for warranty.; Power Steering Pump |
* 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:
2600194426008896
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.