How do I confirm pilotpart390774 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 W/Motor Front Drivers Side Left LH Replacement For 2008 2009 Buick Allure & 2005-2009 LaCrosse 741-380, 660416, 11A512, 15880667, 25856539

For Buick Voltage Regulator

Voltage Regulator 15880667 for Buick LaCrosse (05-09)

OEM / REF: 15880667SKU: pilotpart390774

New Window Regulator W/Motor Front Drivers Side Left LH Replacement For 2008 2009 Buick Allure & 2005-2009 LaCrosse 741-380, 660416, 11A512, 15880667, 25856539 is a Voltage Regulator replacement part indexed for Part Number and BUICK LaCrosse (05-09). Match OEM part number 15880667 and confirm fitment for Buick Elec...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$119.91USD/EA

~~$6,599.00~~Save 98%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 21 – Oct 28
10	Oct 19 – Oct 26
50	Oct 17 – Oct 24

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; BUICK LaCrosse (05-09). Compare reference number 15880667 against the label on your existing Buick component before ordering.

Additional cross references on file: 25856539. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

15880667 25856539

Applications

Part Number
BUICK LaCrosse (05-09)

Specifications

Part Number	15880667, 25856539
SPECIFICATIONS	Power Window Regulator and Motor Assembly
POSITION	Front Left
NOTE 1	Supplied with Motor
NOTE 2	Double Bowden Design
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: Buick 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.