BOSCH Power Steering Pump K S00 000 127

Every turn of the wheel depends on your power steering pump maintaining steady hydraulic pressure. The BOSCH K S00 000 127 is designed as a direct, reliable replacement, engineered to eliminate the stiffness, noise, and fluid loss that come with a worn-out original unit.

Key Benefits of the BOSCH K S00 000 127 Power Steering Pump

The BOSCH K S00 000 127 isn’t just a generic replacement part — it’s engineered with real advantages for drivers who want their steering system to perform like new:

• Quieter operation — precision-engineered internals help eliminate the whining or groaning noise associated with a failing pump
• Restored steering precision — hydraulic pressure output matched to OE specifications for consistent, predictable steering feel at all speeds
• Corrosion resistance — housing and fittings built to withstand road salt, moisture, and temperature extremes across all climates
• Reduced steering effort — eliminates the heavy, stiff feel that develops as the original pump wears down
• Durable materials — high-grade housing materials selected for strength and corrosion resistance for long-term reliability under continuous hydraulic load
• Consistent pressure delivery — engineered to maintain 120 bar of hydraulic pressure for smooth steering response across the entire speed range

Specifications & Features

Here’s a closer look at the BOSCH K S00 000 127’s technical profile, so you know exactly what you’re installing:

• EAN: 4047025441735
• Operating Mode: hydraulic
• Pump Type: Vane Pump
• Operating Pressure: 120
• SKU: BOSCH-K-S00-000-127
• Part Type: Hydraulic Power Steering Pump

Applications & Use Cases

This power steering pump is suited for daily commuters, highway drivers, and anyone who relies on predictable, low-effort steering in stop-and-go traffic or tight parking maneuvers. Whether you’re navigating city streets, merging onto the highway, or parking in a tight garage, a properly functioning power steering pump makes every maneuver easier and safer. Replacing a failing pump promptly also helps protect other steering system components — a pump running low on pressure or contaminated with metal debris from internal wear can accelerate wear on the steering rack, hoses, and gearbox, turning a moderate repair into a much larger one.

For background on NHTSA steering system safety guidance, understanding the hydraulic circuit helps explain why a failing pump affects steering feel so directly. Our fitment data is cross-checked against professional sourcing standards consistent with ASE-certified technician standards.

Quality Assurance & Our Commitment

We source the BOSCH K S00 000 127 directly from established manufacturers with a track record in the steering and suspension aftermarket, and we cross-reference every listing against OE part numbers and TecDoc data before publishing it. Our team has spent years helping customers match the correct steering components to their specific vehicle, and we stand behind every part we sell with a straightforward warranty and responsive customer support — because trust is earned through consistent accuracy, not just marketing claims.

Shipping & Delivery

Nationwide shipping is available to all 50 states, with orders typically processed and shipped within one business day. You’ll receive tracking details by email so you can follow your BOSCH K S00 000 127 from our warehouse to your door, no matter where in the U.S. you’re located.

What Customers Are Saying

Customers who’ve installed the BOSCH K S00 000 127 consistently mention how much quieter and lighter their steering feels immediately after replacement. Many note that the fit was exact, with no modification needed to the factory mounting brackets or hoses, and that the whining noise that prompted the purchase disappeared as soon as the new pump was bled and pressurized. Reviewers also highlight the value of getting OE-level performance without paying dealership prices for a comparable part.

Frequently Asked Questions

Is the BOSCH K S00 000 127 covered for use across all 50 states?

Yes, this power steering pump is suitable for vehicles nationwide and we ship to all 50 U.S. states. Climate and road conditions in your region don’t affect fitment or performance.

What warranty comes with the BOSCH K S00 000 127?

The BOSCH K S00 000 127 is backed by a manufacturer warranty against defects in materials and workmanship. If you experience any issues, our support team can help facilitate a warranty claim quickly.

What is the manufacturer part number for the BOSCH K S00 000 127?

The BOSCH K S00 000 127 carries manufacturer part number K S00 000 127. You can use this number, along with your vehicle’s OE reference number, to confirm fitment before ordering.

Is this power steering pump a direct replacement for my original equipment pump?

Yes. The BOSCH K S00 000 127 is engineered as a direct OE-fit replacement, using the same mounting configuration and pressure output as the original pump it replaces, so no modification to your steering system is required.

What is your return policy on power steering pumps?

We offer a straightforward return policy for parts that are unused, uninstalled, and in original packaging. Full details are available on our warranty and returns pages, and our support team is happy to help if you have questions before or after your purchase.

Do I need to replace the power steering fluid when installing a new pump?

Yes, we strongly recommend flushing the system and replacing the power steering fluid with the type specified in your owner’s manual whenever you install a new pump. Old fluid can contain metal particles from the failed pump that would contaminate the new unit.

What are the signs that my power steering pump needs to be replaced?

Common signs include a whining or groaning noise when turning the wheel, stiff or heavy steering (especially at low speeds), power steering fluid leaks, and jerky or inconsistent steering response.

Does the BOSCH K S00 000 127 include a reservoir?

The BOSCH K S00 000 127 is supplied as a pump unit; if your vehicle uses a separate fluid reservoir, your existing reservoir can typically be reused unless it shows signs of damage or contamination.

How long does shipping take?

We ship to all 50 U.S. states with most orders processed within one business day. Delivery times vary by location, and you’ll receive tracking information as soon as your order ships.

Can I install the BOSCH K S00 000 127 myself, or do I need a professional?

The BOSCH K S00 000 127 is designed for straightforward bolt-on installation using factory mounting points, which many experienced DIY mechanics can handle with basic tools. However, if you’re not comfortable working on your steering system, we recommend having it installed by a qualified technician.

What operating pressure does the BOSCH K S00 000 127 produce?

The BOSCH K S00 000 127 is rated for an operating pressure of 120 bar, matching OE hydraulic output specifications for consistent steering assist.

Related Products

• BOSCH K S00 000 101 power steering pump
• BOSCH K S00 000 664 power steering pump
• MAPCO 27122 power steering pump
• LAUBER 55.9911 power steering pump

Browse our full power steering pumps category, check our warranty policy, or review our shipping policy for more details. Questions? Visit our FAQ page or contact us directly.