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          TRW JPR504 - Power Steering Pump

          MPN: JPR504
          The TRW JPR504 Power Steering Pump enhances steering response for Mercedes-Benz models. Built to OEM standards, it ensures reliable operation and easy installation.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $197.95
          Out of stock

          Product Overview

          Enhance the performance of your Mercedes-Benz with the TRW Power Steering Pump JPR504, designed specifically for reliable operation and optimal steering response. This rebuilt power steering pump features a 130mm pulley and is engineered to meet OEM standards, ensuring that you receive a premium-quality replacement part. Over time, power steering pumps can develop issues such as grinding or squealing noises, which indicate bearing wear. With TRW's trusted craftsmanship, you can restore your vehicle's steering system to its original function. Choose TRW JPR504 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This TRW JPR504 is equivalent to or replaces the following part numbers: 002 466 81 01 88, 002466810188.

          Vehicle Compatibility

          • Mercedes-Benz ML320 3.2 V6 (1998–2005)
          • Mercedes-Benz ML350 3.7 V6 (2003–2005)
          • Mercedes-Benz ML430 4.3 V8 (2000–2001)
          • Mercedes-Benz ML500 5.0 V8 (2002–2003)
          • Mercedes-Benz ML55 AMG 5.5 V8 (2002–2003)

          This may also fit other applications. Please use the vehicle selector tool to verify fitment.

          Why Shop at eEuroparts.com?

          • Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
          • Exclusive Kits That Fitâ„¢ - complete repair solutions with no guesswork
          • Fitment Confidence: Our accurate cataloging ensures you get the right part the first time.
          • Fast, Reliable Shipping: Orders ship quickly from our U.S.-based warehouses.
          • Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
          • Established Trust: Serving the European auto community since 2000.

          Frequently Asked Questions

          What does the TRW JPR504 Power Steering Pump do?

          The TRW JPR504 power steering pump is responsible for supplying hydraulic fluid to the steering system, facilitating smooth and effortless steering. It assists in the movement of the steering wheel by creating hydraulic pressure, allowing for better control and maneuverability of your vehicle.

          What vehicles is this part compatible with?

          This power steering pump is compatible with several Mercedes-Benz models, including the ML320, ML350, ML430, ML500, and ML55 AMG from model years 1998 to 2005. Please use the vehicle selector tool to confirm fitment for your specific vehicle.

          What are common signs this part may need replacement?

          Common signs that your power steering pump may need replacement include:

          • Grinding or squealing noises when turning the steering wheel.
          • Difficulty steering, especially at low speeds.
          • Fluid leaks near the pump or under the vehicle.
          • Unresponsive or stiff steering feel.

          Are there any DTC (Diagnostic Trouble Codes) associated with this part?

          Consult professional repair documentation for potential DTCs related to power steering pumps, as they can vary based on vehicle systems and conditions. If you experience issues, it is advisable to seek diagnostic assistance from a qualified technician.

          Why should I choose TRW for my Power Steering Pump needs?

          Choosing TRW ensures you receive a high-quality part that meets OEM standards. Order TRW JPR504 today for a factory-correct replacement that restores safety and performance.

          Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.

            • eEuroparts SKU
              4223648
            • Barcode
              00708609932219
            • Manufacturer Part #
              JPR504
          • Brand
            TRW
          • Manufacturer
            TRW
          • MPN
            JPR504
          • Part Type
            Power Steering Pump
          • OE Part Numbers
            002 466 81 01 88, 002466810188
          • Features
            California Proposition 65 Required : N
            Filter Included : No
            Hose Port Type : O-Ring
            Housing Material : Aluminum
            Inlet Attachment Type : Quick Connect
            Inlet Diameter : 16
            Inlet Quantity : 1
            Mounting Hardware Included : No
            Outlet Attachment Type : Threaded
            Outlet Diameter : 16
            Outlet Quantity : 1
            Pulley Attachment Type : Press-On
            Pulley Included : Yes
            Remote Reservoir : No
            Remote Reservoir Included : No
            Reservoir Cap Included : No
            Reservoir Included : No
            Type : Hydraulic
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          1998Mercedes-BenzML320Base (3.2 V6 GAS)
          1999Mercedes-BenzML320Base (3.2 V6 GAS)Engine: 112.942
          1999Mercedes-BenzML430Base (4.3 V8 GAS)Engine: 113.942
          2000Mercedes-BenzML320Base (3.2 V6 GAS)Engine: 112.942
          2000Mercedes-BenzML430Base (4.3 V8 GAS)Engine: 113.942
          2000Mercedes-BenzML55 AMGBase (5.5 V8 GAS)
          2001Mercedes-BenzML320Base (3.2 V6 GAS)Engine: 112.942
          2001Mercedes-BenzML430Base (4.3 V8 GAS)Engine: 113.942
          2001Mercedes-BenzML55 AMGBase (5.5 V8 GAS)
          2002Mercedes-BenzML320Base (3.2 V6 GAS)Engine: 112.942
          2002Mercedes-BenzML500Base (5.0 V8 GAS)
          2002Mercedes-BenzML55 AMGBase (5.5 V8 GAS)
          2003Mercedes-BenzML350Base (3.7 V6 GAS)
          2003Mercedes-BenzML500Base (5.0 V8 GAS)
          2003Mercedes-BenzML55 AMGBase (5.5 V8 GAS)
          2003Mercedes-BenzML320Base (3.2 V6 GAS)
          2004Mercedes-BenzML350Base (3.7 V6 GAS)
          2005Mercedes-BenzML350Base (3.7 V6 GAS)
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          Warranty Overview

          At eEuroparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.

          Standard Warranty – Most Parts

          • Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.

          • Protection: Defects in materials or workmanship under normal personal use.

          • Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.

          • Exclusions:

            • Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)

            • Commercial, fleet, rideshare, off-road, or racing use

            • Improper installation, misuse, accidents, or modifications

          • Not Covered: Labor, shipping, towing, or incidental costs.

          Bison Performance Warranty – Our House Brand

          • Coverage: Limited Lifetime Warranty for as long as you own your vehicle.

          • Applies To: All products sold under the Bison Performance label.

          • Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.

          • Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).

          • What’s Included: Replacement of the defective product (labor and shipping excluded).

          Warranty Claim Requirements

          To keep claims fast and fair, we require:

          • Proof of purchase (invoice or order confirmation).

          • Photos or videos showing the defective part, order number, date, VIN, and odometer reading.

          • Diagnostic reports or part returns for non-visible issues may be requested.

          • Claims must be truthful, properly documented, and reflect normal consumer use.

          Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.

          For full details and exclusions, please see our complete Warranty Terms & Conditions.

          This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.

          Return Policy Overview

          Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
          To start a return, contact customer support via Chat or Contact Us.

          • Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)

          • Refunds: Issued to your original payment method within 3–5 business days after inspection

          • Exchanges: Not automatic — please return and reorder

          • Replacements: May be approved for incorrect or defective items reported within 7 days

          Not returnable:

          • Used or installed parts

          • Electrical components

          • Opened filter kits, gaskets, or contaminated items

          • Final sale or custom orders

          Important Notes:

          • Return shipping is your responsibility unless we made a verified error

          • Fitment is the customer’s responsibility (we can assist, but do not guarantee)

          • Country of origin may vary and is not grounds for return

          For complete details, please see our full Return Policy.


          This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.

          Fast, Reliable Shipping — Straight to Your Door

          We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.

          • We use trusted carriers like UPS, FedEx, and USPS.

          • Tracking info is emailed to you as soon as your order ships.

          • Delivery estimates at checkout are based on carrier data, but not guaranteed.

          Need help with a shipment?

          If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.

          For complete details, please see our full Shipping Policy.


          This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.

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