LAUBER Power Steering Pump 55.4276

Whining noises when you turn the wheel, stiff steering at low speeds, or fluid leaks near the front of your engine bay are classic signs of power steering pump failure. The LAUBER 55.4276 addresses these issues directly, restoring precise, low-effort steering response.

Key Benefits of the LAUBER 55.4276 Power Steering Pump

The LAUBER 55.4276 isn’t just a generic replacement part — it’s engineered with real advantages for drivers who want their steering system to perform like new:

• Corrosion resistance — housing and fittings built to withstand road salt, moisture, and temperature extremes across all climates
• Consistent pressure delivery — engineered to maintain OE-matched hydraulic pressure for smooth steering response across the entire speed range
• Leak-resistant construction — quality seals and gaskets designed to minimize the fluid seepage common in aging pumps
• Restored steering precision — hydraulic pressure output matched to OE specifications for consistent, predictable steering feel at all speeds
• Quieter operation — precision-engineered internals help eliminate the whining or groaning noise associated with a failing pump
• Durable materials — high-grade housing materials selected for strength and corrosion resistance for long-term reliability under continuous hydraulic load

Specifications & Features

Here’s a closer look at the LAUBER 55.4276’s technical profile, so you know exactly what you’re installing:

• EAN: 5901321450985, 5901321450992
• Operating Mode: hydraulic
• Manufacturer Restriction: ZF
• Inlets / Outlets: 2
• SKU: LAUBER-55-4276
• Part Type: Hydraulic Power Steering Pump

Applications & Use Cases

Drivers across the country — from tight urban parking to long-haul interstate driving — depend on consistent power steering pressure for both comfort and control. A failing pump doesn’t just make steering harder; it can mask road feedback and delay your reaction time in an emergency maneuver. Installing the LAUBER 55.4276 restores the responsive steering feel your vehicle was designed to have, whether you’re navigating a crowded parking lot, towing a trailer, or driving cross-country. Addressing pump failure early also helps prevent secondary damage to steering hoses, racks, and gearboxes caused by pressure irregularities or fluid contamination.

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

Every power steering pump listed on our site is checked against OE specifications and TecDoc reference data before it’s added to our catalog, so the fitment information you see matches what professional technicians rely on. Our parts team has years of hands-on experience sourcing suspension and steering components for the North American aftermarket, and we work directly with established European and international manufacturers rather than unverified drop-shippers. That means the LAUBER 55.4276 you receive is backed by the same engineering standards used by repair shops and dealerships.

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 LAUBER 55.4276 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 LAUBER 55.4276 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

What warranty comes with the LAUBER 55.4276?

The LAUBER 55.4276 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.

Can I install the LAUBER 55.4276 myself, or do I need a professional?

The LAUBER 55.4276 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.

Does the LAUBER 55.4276 come with a belt pulley installed?

Pulley inclusion varies by application — check the product specifications above, or contact our support team to confirm whether the LAUBER 55.4276 includes a belt pulley for your vehicle.

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.

Is the LAUBER 55.4276 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 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.

What makes the LAUBER 55.4276 different from other power steering pumps?

The LAUBER 55.4276 is manufactured to match OE hydraulic pressure and mounting specifications, so it restores factory-level steering feel rather than an approximate aftermarket fit. It’s cross-referenced against TecDoc data and built for direct bolt-on installation.

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 LAUBER 55.4276 include a reservoir?

The LAUBER 55.4276 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.

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

Yes. The LAUBER 55.4276 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 operating pressure does the LAUBER 55.4276 produce?

The LAUBER 55.4276 is engineered to produce OE-matched hydraulic pressure output for consistent, reliable steering assist across the full range of driving conditions.

Related Products

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• LAUBER 55.5296 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.