Product Overview

The steering rack, OEM number 163460072580, is the complete power steering rack and pinion assembly fitted to the Mercedes-Benz M-Class W163, covering the ML320, ML350, and ML500, model years 2002-2005, left-hand drive. This is a well-established platform in export markets, and one part number covers the full engine lineup, making it a straightforward SKU to stock.

Worn units typically show up as loose or vague steering, knocking over bumps, or a fluid leak near the rack. GSK Auto manufactures this steering rack to OEM specification at our Ningbo, China facility, with every unit pressure-tested before packing. We supply at wholesale volume with low MOQ and support private label packaging, with our team available to confirm fitment before shipping.

Replacement OEM Numbers

Cross-Reference OEM Number

1634600725, 163460072560, 163460072588

(Confirm against your VIN or chassis code before ordering - these are commonly listed cross-references for this application, not a guarantee of exact fitment for every variant.)

What Is a Steering Rack?

Function: The steering rack converts rotational input from the steering column into linear movement of the tie rods, which turns the front wheels. This complete assembly includes the rack housing, inner tie rods, boots, and clamps.

Working Principle: A pinion gear on the steering column meshes with a toothed rack inside the housing. Turning the wheel moves the rack side to side, with hydraulic fluid assisting through a control valve to reduce effort.

Importance: On the W163 M-Class platform, the rack has to hold tight tolerances under vehicle weight across on-road and light off-road use.

Common Failures & Signs: Internal seal wear causing hydraulic fluid leaks. Worn rack teeth or bushings causing looseness or knocking. Loose or vague steering feel around center. Visible fluid leak or clunking noise over rough roads.

Key Features

OEM-standard fitment - matches factory rack travel and hydraulic valve calibration for the 163460072580 application.

Precision manufacturing - rack and pinion machined to tight tolerance for consistent steering feel.

Long service life - built to handle sustained load on a mid-size SUV platform.

Excellent fitment - direct bolt-in replacement, no modification required.

Corrosion resistance - housing finish resists moisture and road-salt exposure.

Pressure-tested - every unit checked for hydraulic seal integrity before shipment.

Reliable performance - consistent power assist feel matching factory calibration.

Benefits

Importers - one part number covers ML320, ML350, and ML500 demand, simplifying inventory.

Wholesalers - steady demand from a well-established mid-size SUV platform.

Repair Shops - complete assembly with tie rods and boots reduces separate parts sourcing.

Distributors - private label packaging available for building a branded catalog.

End Customers - restored steering precision and elimination of fluid leaks.

Packaging & Shipping

Standard export cartons, reinforced for a heavy hydraulic assembly. Customized packaging available for distributor branding. OEM-style and private label printing on request. Container loading handled directly, with mixed-SKU consolidation for smaller orders. Worldwide shipping to Europe, North America, South America, the Middle East, Africa, and Southeast Asia.

Frequently Asked Questions

• What does this steering rack do?

It converts steering wheel input into wheel movement, with hydraulic assist to reduce steering effort.

• Which vehicles use OEM 163460072580?

Mercedes-Benz M-Class W163, ML320, ML350, and ML500, 2002-2005, left-hand drive - confirm exact chassis code and model year before ordering.

• Can GSK Auto supply OEM-standard parts?

Yes, this steering rack is manufactured to match OEM specification for fitment and hydraulic performance.

• What's the MOQ for wholesale orders?

MOQ varies by order type - contact us directly for current wholesale tiers.

• Do you export worldwide?

Yes, we ship to Europe, North America, South America, the Middle East, Africa, and Southeast Asia.

• Can you customize packaging?

Yes, OEM-style and private label printing are available.

• How do I know if my steering rack needs replacing?

Common signs include loose or vague steering, knocking over bumps, and visible fluid leaks near the rack.

Why Choose GSK Auto

GSK Auto manufactures factory-direct, keeping pricing tied to production cost. This steering rack is built to OEM specification and pressure-tested before packing. We support low MOQ, private label packaging, and worldwide shipping, with our technical team available to confirm fitment before you order.

Call to Action

Sourcing steering racks for the Mercedes M-Class W163 (ML320, ML350, or ML500)? Contact GSK Auto for a wholesale quote, catalog, or OEM/private label cooperation.