Bosch
Starter (New)

Bosch SR7578N Starter Motor

Brand Bosch SR7578N
Mounting Bolt Hole Quantity 3
Mounting Hardware Included No
Mounting Shims Included No
New Or Remanufactured New
Nose Cone Material Aluminum
Nose Cone Type Closed Nose
Original Equipment Manufacturer Names BO
Power Rating 1.5
Solenoid Attached Yes
Starter Finish Aluminum
Starter Rotation Clockwise
Tooth Quantity 10
Voltage 12
Product line Starter (New)
Fits Ford · 5 vehicles

New starter. Built and tested for dependable performance and reliability.

Aluminum nose cone. Lightweight construction with a closed-nose design.

Solenoid attached. Ready for a cleaner, simpler installation.

Cross-references YS4Z11002EB for the same application. See all 1.

$172.32Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $172.32
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Bosch SR7578N Starter for Ford Focus

The Bosch SR7578N is a new 12-volt starter built for reliable engine cranking and consistent starting performance. It is a direct-fit starter for 2000-2004 Ford Focus applications and is engineered with a closed aluminum nose cone, integrated solenoid, and clockwise rotation.

Key Features

  • New Bosch starter, part number SR7578N
  • 12-volt design with 1.5 power rating
  • Clockwise starter rotation
  • Closed nose aluminum nose cone and aluminum finish
  • Integrated solenoid attached
  • 10-tooth drive gear
  • 3 mounting bolt holes for OE-style installation
  • Direct replacement for Ford Focus starter applications

Product Details

Bosch Starter (New) line components are built and tested for dependable electrical starting performance. The SR7578N is designed for 2000-2004 Ford Focus models and cross-references OE-style part number YS4Z11002EB for the same application. If you are replacing a worn Ford Focus starter, the Bosch SR7578N provides the correct electrical and mechanical configuration for a direct replacement install.

Compatible With 2000-2004 Ford Focus, N/A. The Bosch SR7578N part number is also a useful reference when searching for a Ford Focus starter replacement, Bosch SR7578N starter, or 2000-2004 Ford Focus starting system repair part.

Common Problems This Starter Can Address

  • No-crank condition when the ignition key is turned
  • Slow or weak engine cranking
  • Intermittent starting caused by starter wear
  • Grinding or inconsistent starter engagement
  • Electrical starting failure from an aging starter assembly

Installation Notes and Tips

Verify the vehicle year and engine application before installation. Confirm the 3-bolt mounting pattern, clockwise rotation, 10-tooth drive, and solenoid configuration match the original unit. Inspect battery condition, cable connections, and starter circuit integrity during replacement to avoid repeat starting issues.

Quality Assurance

Bosch Premium Starters are designed, built, and tested to deliver consistent starting performance and reliability. This SR7578N starter is new, not remanufactured, and is built to Bosch specifications for the listed Ford Focus applications.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionLitersCylindersPositionNotes
2004FordFocusAutomatic2.0LL4N/AStarter (New)
2003FordFocusAutomatic2.0LL4N/AStarter (New)
2002FordFocusAutomatic2.0LL4N/AStarter (New)
2001FordFocusAutomatic2.0LL4N/AStarter (New)
2000FordFocusAutomatic2.0LL4N/AStarter (New)
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
YS4Z11002EB