Description
Reman Mustang Rack & Pinion Steering Gear Assembly (2003-2004 SVT Cobra) w/ SPR-ZM
Restore the precise steering feel of your 2003-2004 SVT Cobra with this premium remanufactured power steering rack and pinion assembly. Featuring the desirable SPR-ZM steering calibration, this unit is engineered as a direct replacement for the original Ford steering gear and is designed to deliver the responsive handling and performance your Cobra was built to provide.
Each steering gear assembly is professionally remanufactured, thoroughly inspected, and tested to meet strict quality standards for dependable operation. The assembly includes new inner tie rod ends, making installation easier while eliminating the need to reuse worn steering components. Designed as a direct replacement, this rack installs using the factory mounting locations and steering connections for a hassle-free repair.
Whether you’re replacing a leaking steering rack, correcting excessive steering play, or refreshing your Cobra’s steering system during a restoration or maintenance project, this remanufactured rack and pinion assembly offers the OE fit, function, and performance enthusiasts expect.
Features
- Premium remanufactured power steering rack and pinion assembly
- Desirable SPR-ZM steering calibration
- Includes new inner tie rod ends
- Direct replacement for the original Ford steering gear
- Restores precise steering response and handling
- Professionally remanufactured, inspected, and tested for dependable performance
- Uses factory mounting locations and steering connections
Ford Service Numbers
- 2R3Z-3504-AA
- 2R3Z-3504-AARM
- STG-85
- STG-85-RM
Applications
- 2003 Mustang SVT Cobra 4.6L DOHC Supercharged with Power Steering
Production Code: SPR-ZM - 2004 Mustang SVT Cobra 4.6L DOHC Supercharged with Power Steering
Production Code: SPR-ZM
Installation Notes
- Flush the Power Steering System: Before installing your new rack and pinion assembly, thoroughly flush the entire power steering system to remove old fluid and any contaminants. Debris left in the system can damage the replacement steering gear and reduce its service life.
- Inspect Related Components: Inspect the power steering pump, hoses, reservoir, and steering shaft for wear or damage. Replacing worn components at the same time can help ensure proper system performance and reliability.
- Professional Wheel Alignment Recommended: A complete front-end wheel alignment should be performed after installation to ensure proper steering geometry, maximize tire life, and restore factory handling characteristics.
- Bleed the Power Steering System: After installation, properly bleed the power steering system according to the factory service procedure to remove trapped air before driving the vehicle.
Complete Your Steering Repair with NPD
From remanufactured rack and pinion assemblies to power steering pumps, hoses, tie rod ends, steering shafts, bushings, and related steering hardware, National Parts Depot has the quality steering components you need to keep your 2003-2004 SVT Cobra steering like new. Whether you’re performing routine maintenance or a complete restoration, trust NPD to supply the parts that help keep your Mustang performing at its best. For all your Fox Body, SN95, and New Edge Mustang steering needs, look no further than NPD.
Ford Mustang Years:
2003 (03), 2004 (04)
NPD Part Number : M-3504-145A
Manufacturer Reference ‘s: 101-0231






