Youxmoto Starter for 4.0L V6 Automatic Ford/Mazda/Mercury — CW Rotation, PMGR 12V

The Youxmoto New Starter 4.0L is a direct-fit 12V PMGR replacement starter for select automatic-transmission Ford, Mazda and Mercury 4.0L V6 models, built to restore reliable engine cranking.

This starter is engineered to match OE form and function for many 4.0L vehicles from 1997 through 2011. It replaces common part numbers such as SFD0039, 4R3T-11000-AB and 410-14045, and uses a clockwise (CW) rotation. The unit’s tested gears and durable construction aim to reduce slipping and deliver consistent starting power. Please verify vehicle year, engine and transmission compatibility before ordering.

Which vehicles does this starter fit?

This starter fits a range of 4.0L V6 models across Ford, Mazda and Mercury lines, with some applications limited to automatic transmissions. Check your vehicle’s year, engine code and transmission type to ensure a correct match.

• Ford Explorer 4.0L: 1997–2010 (97–02 automatic only)
• Ford Mustang 4.0L: 2005–2010 (automatic only)
• Ford Ranger 4.0L: 1997–2011 (automatic only)
• Ford Aerostar 4.0L: 1997
• Mazda B4000 4.0L: 1998–2007
• Mercury Mountaineer 4.0L: 1998–2010
• Ford Explorer Sport Trac 4.0L: 2001–2010 (2002–2003 automatic)

What are the technical specs and replacement part numbers?

The starter is a 12-volt PMGR (permanent magnet gear reduction) unit with clockwise rotation. It is designed as a direct replacement for multiple OE and aftermarket numbers, simplifying parts matching for common repairs.

• Voltage: 12V
• Rotation: Clockwise (CW)
• Starter type: PMGR (gear reduction)
• Replaces: SFD0039, 4R3T-11000-AA, 4R3T-11000-AB, 4R3Z-11002-AA, 410-14045

How durable and reliable is the Youxmoto starter?

Components such as the drive gears are wear-tested for improved grip and resistance to slippage during cranking. The design focuses on delivering consistent torque to spin the engine efficiently while minimizing premature wear.

• Wear-resistant and anti-skid gear teeth for controlled engagement
• PMGR design for improved torque and compact size
• Quality control testing on moving parts before shipping
• Easy installation intended to match OE mounting points and terminals

What support and warranty come with the starter?

Youxmoto backs the starter with a 1-year warranty and customer assistance for replacement if defects arise. Contact the seller with issues or fitment questions to initiate help or a replacement process.

• 1-year limited warranty covering defects
• Seller support for fitment verification and troubleshooting
• Instructions recommend verifying part numbers before purchase

Who is this for: This starter is aimed at owners, independent mechanics and shops working on mid‑late 1990s to 2010s 4.0L Ford, Mazda and Mercury vehicles that require a reliable, direct-replacement 12V PMGR starter. If you need a unit that replaces common OE numbers and prefers a tested gear design for reduced slipping, this is an appropriate replacement—just be sure the year, engine and transmission match your vehicle’s requirements.