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Maval 93345M Rack and Pinion Assembly
Overview of Maval Remanufactured Rack and Pinion Assembly
The Maval Remanufactured Rack and Pinion Assembly (Part Number 93345M) is designed specifically for select Mercedes-Benz models including the R63 AMG, R320, R350, and R500. This steering gear component is engineered to restore precise steering control and reliable performance.
- Compatible with Mercedes-Benz R63 AMG, R320, R350, and R500
- Remanufactured Rack and Pinion product line for quality and durability
- Constructed with aluminum casting material for strength and weight savings
- Includes two mounting holes with a distance of 15.63 inches (396.88 mm) between them
- Input shaft diameter options: 0.79 inches (20.02 mm) with a length of 2.5 inches (63.5 mm)
- Rack length measures 46.44 inches (1179.53 mm)
- O-ring type hose port and 0.472 inch return port ID size for secure fluid connections
- Tie rod ends included for complete steering linkage replacement
- Total turns lock to lock: 3.25 for responsive steering feedback
Details on the Remanufactured Rack and Pinion Product Line
The Maval Remanufactured Rack and Pinion line focuses on restoring steering assemblies to meet original equipment specifications. Each unit undergoes a thorough remanufacturing process that includes cleaning, inspection, and replacement of worn components. This ensures consistent performance and durability comparable to new parts while offering a cost-effective solution for Mercedes-Benz R-Class models.
Technical Specifications and Features
This rack and pinion assembly features an aluminum casting that balances strength and weight, contributing to vehicle handling efficiency. The assembly includes two mounting holes spaced precisely at 15.63 inches (396.88 mm) to ensure proper fitment. The input shaft diameter and length are designed to match factory specifications, with a 0.79 inch (20.02 mm) diameter and 2.5 inch (63.5 mm) length, providing compatibility with the vehicle’s steering column. The rack length of 46.44 inches (1179.53 mm) supports the correct steering ratio and travel. The O-ring type hose port and 0.472 inch return port ID size facilitate secure hydraulic connections, maintaining system integrity. Additionally, tie rod ends are included to complete the steering linkage replacement.
Common Applications and Problem Resolution
- Restores precise steering control for Mercedes-Benz R63 AMG, R320, R350, and R500
- Replaces worn or leaking rack and pinion assemblies causing steering play or fluid leaks
- Addresses uneven or difficult steering response due to damaged internal components
- Eliminates noise or vibration originating from faulty steering gear
- Improves vehicle handling and safety by restoring proper steering geometry
Installation Notes and Tips
Ensure the vehicle is securely lifted and supported before beginning installation. Verify that the mounting hole spacing matches the vehicle’s frame to avoid fitment issues. Inspect hydraulic lines and replace any damaged hoses or seals to prevent leaks. Bleed the power steering system thoroughly after installation to remove air and ensure smooth operation. Use the part number 93345M to confirm compatibility with your Mercedes-Benz R-Class model.
Quality Assurance and Warranty
The Maval Remanufactured Rack and Pinion Assembly undergoes rigorous testing to meet OEM standards. The aluminum casting and precision machining contribute to long-lasting durability. This part is backed by Maval’s quality assurance processes, providing confidence in its performance and reliability. Please refer to the manufacturer’s warranty terms for specific coverage details.
| Brand | Maval |
| Part Number | 93345M |
| Position | Remanufactured Rack and Pinion |
| Mounting Hole Quantity | 2 |
| Total Turns Lock To Lock | 3.25 |
| Casting Material | Aluminum |
| Distance Between Mounting Holes | 15.63 |
| Distance Between Mounting Holes | 396.88 |
| Hose Port Type | O-ring |
| Input Shaft Diameter | 0.79 |
| Input Shaft Diameter | 20.02 |
| Input Shaft Length | 2.5 |
| Input Shaft Length | 63.5 |
| Rack Length | 1179.53 |
| Rack Length | 46.44 |
| Return Port ID Size | 0.472 |
| Thread Length | 2.21 |
| Thread Length | 56.03 |
| Tie Rod Ends Included | Yes |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2010 | Mercedes-Benz | R350 | N/A | Note: For all models with Speed Sensitive Steering; Unit comes with an electronic solenoid, ensure correct polarity of wires, use color-coded harness, avoid crossing pressure/return ports to prevent upper pinion seal damage, follow installation instructions on warning labels 641280 and 640100.; Remanufactured Rack and Pinion | |
| 2009 | Mercedes-Benz | R320 | N/A | Note: For all models with Speed Sensitive Steering; Unit comes with an electronic solenoid, ensure correct polarity of wires, use color-coded harness, avoid crossing pressure/return ports to prevent upper pinion seal damage, follow installation instructions on warning labels 641280 and 640100.; Remanufactured Rack and Pinion | |
| 2009 | Mercedes-Benz | R350 | N/A | Note: For all models with Speed Sensitive Steering; Unit comes with an electronic solenoid, ensure correct polarity of wires, use color-coded harness, avoid crossing pressure/return ports to prevent upper pinion seal damage, follow installation instructions on warning labels 641280 and 640100.; Remanufactured Rack and Pinion | |
| 2008 | Mercedes-Benz | R320 | N/A | Note: For all models with Speed Sensitive Steering; Unit comes with an electronic solenoid, ensure correct polarity of wires, use color-coded harness, avoid crossing pressure/return ports to prevent upper pinion seal damage, follow installation instructions on warning labels 641280 and 640100.; Remanufactured Rack and Pinion | |
| 2008 | Mercedes-Benz | R350 | N/A | Note: For all models with Speed Sensitive Steering; Unit comes with an electronic solenoid, ensure correct polarity of wires, use color-coded harness, avoid crossing pressure/return ports to prevent upper pinion seal damage, follow installation instructions on warning labels 641280 and 640100.; Remanufactured Rack and Pinion | |
| 2007 | Mercedes-Benz | R320 | N/A | Note: For all models with Speed Sensitive Steering; Unit comes with an electronic solenoid, ensure correct polarity of wires, use color-coded harness, avoid crossing pressure/return ports to prevent upper pinion seal damage, follow installation instructions on warning labels 641280 and 640100.; Remanufactured Rack and Pinion | |
| 2007 | Mercedes-Benz | R350 | N/A | Note: For all models with Speed Sensitive Steering; Unit comes with an electronic solenoid, ensure correct polarity of wires, use color-coded harness, avoid crossing pressure/return ports to prevent upper pinion seal damage, follow installation instructions on warning labels 641280 and 640100.; Remanufactured Rack and Pinion | |
| 2007 | Mercedes-Benz | R500 | Sport | N/A | Note: For all models with Speed Sensitive Steering; Unit comes with an electronic solenoid, ensure correct polarity of wires, use color-coded harness, avoid crossing pressure/return ports to prevent upper pinion seal damage, follow installation instructions on warning labels 641280 and 640100.; Remanufactured Rack and Pinion |
| 2007 | Mercedes-Benz | R500 | Base | N/A | Note: For all models with Speed Sensitive Steering; Unit comes with an electronic solenoid, ensure correct polarity of wires, use color-coded harness, avoid crossing pressure/return ports to prevent upper pinion seal damage, follow installation instructions on warning labels 641280 and 640100.; Remanufactured Rack and Pinion |
| 2007 | Mercedes-Benz | R63 AMG | Base | N/A | Note: For all models with Speed Sensitive Steering; Unit comes with an electronic solenoid, ensure correct polarity of wires, use color-coded harness, avoid crossing pressure/return ports to prevent upper pinion seal damage, follow installation instructions on warning labels 641280 and 640100.; Remanufactured Rack and Pinion |
| 2006 | Mercedes-Benz | R350 | N/A | Note: For all models with Speed Sensitive Steering; Unit comes with an electronic solenoid, ensure correct polarity of wires, use color-coded harness, avoid crossing pressure/return ports to prevent upper pinion seal damage, follow installation instructions on warning labels 641280 and 640100.; Remanufactured Rack and Pinion | |
| 2006 | Mercedes-Benz | R500 | Base | N/A | Note: For all models with Speed Sensitive Steering; Unit comes with an electronic solenoid, ensure correct polarity of wires, use color-coded harness, avoid crossing pressure/return ports to prevent upper pinion seal damage, follow installation instructions on warning labels 641280 and 640100.; Remanufactured Rack and Pinion |
| 2006 | Mercedes-Benz | R500 | Premium | N/A | Note: For all models with Speed Sensitive Steering; Unit comes with an electronic solenoid, ensure correct polarity of wires, use color-coded harness, avoid crossing pressure/return ports to prevent upper pinion seal damage, follow installation instructions on warning labels 641280 and 640100.; Remanufactured Rack and Pinion |
| 2006 | Mercedes-Benz | R500 | Sport | N/A | Note: For all models with Speed Sensitive Steering; Unit comes with an electronic solenoid, ensure correct polarity of wires, use color-coded harness, avoid crossing pressure/return ports to prevent upper pinion seal damage, follow installation instructions on warning labels 641280 and 640100.; Remanufactured Rack and Pinion |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.