How do I confirm pilotpart394120 fits my machine?

Compare the OEM or reference part number, machine model, engine model, and serial number. You can also submit a fitment inquiry before ordering.

In Stock

New Window Regulator Front Drivers Side Left LH Replacement For 2000 2001 2002 2003 2004 2005 2006 2007 Replacement Ford Focus 4 Door, Replaces 6S4Z5423201AA, 740-172

For Ford Voltage Regulator

Voltage Regulator 6S4Z5423201AA for Ford Focus (00-07)

OEM / REF: 6S4Z5423201AASKU: pilotpart394120

New Window Regulator Front Drivers Side Left LH Replacement For 2000 2001 2002 2003 2004 2005 2006 2007 Replacement Ford Focus 4 Door, Replaces 6S4Z5423201AA, 740-172 is a Voltage Regulator replacement part indexed for Part Number and FORD Focus (00-07). Match OEM part number 6S4Z5423201AA and confirm fitment for Fo...

Stock: In stock
Condition: New
Fitment: Ford Electrical Parts
Category: Voltage Regulator

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$100.48USD/EA

~~$6,599.00~~Save 98%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 22 – Oct 29
10	Oct 20 – Oct 27
50	Oct 18 – Oct 25

Estimates from today; confirm exact lead time before payment.

Quantity

Buy online now or add to your quote list for bulk pricing and fitment confirmation.

Confirm fitment before ordering →

Lead times can vary by freight route and customs. Contact support for expedited shipping.

Voltage Regulator Description

This Voltage Regulator is indexed for Part Number; FORD Focus (00-07). Compare reference number 6S4Z5423201AA against the label on your existing Ford component before ordering.

Additional cross references on file: 740-172. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

6S4Z5423201AA 740-172

Applications

Part Number
FORD Focus (00-07)

Specifications

Part Number	6S4Z5423201AA, 740-172
SPECIFICATIONS	Manual Window Regulator
POSITION	Front Left
NOTE 1	Manual Regulator
FEATURE 1	Engineered to perform like the OEM unit
FEATURE 2	No drilling or splicing required
FEATURE 3	One Year Warranty
FEATURE 4	Includes Instruction Sheet
FEATURE 5	100% Top-rated

Fitment Notes

Brand or application signal: Ford Electrical Parts
Product family: Voltage Regulator
System category: Electrical Parts > Circuit Protection & Regulation > Voltage Regulator
Recommended verification: OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability: InStock
Shipping: Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns: Returns are easier when fitment is confirmed before ordering.
B2B support: Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.