Shop OEM General Motors Part # 19420685 (88963501). Power Steering Pump. 2WD, POWER STEERING, 6 cylinder. 4WD, w/AC. Astro, Safari. Astro, Safari; 4.3L. Power Steering Pump - Repair or

Pump Kit, Power Steering.
Power Steering Pump. Stamped #26021138.

Power Steering Pump

Fits Astro, SAFARI

2WD, POWER STEERING, 6 cylinder. 4WD, w/AC. Astro, Safari. Astro, Safari; 4.3L.
Power Steering Pump - Repair or Replace
If the steering in your whines or groans, or if your steering wheel is hard to turn, you may have a failed power steering pump.