How do I confirm pilotpart411641 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 Rear Passenger Side Right RRH Replacement For 2006 2007 2008 2009 2010 2011 Buick Lucerne, 15784840, 15929733, 135-121R, 748-113

For Buick Voltage Regulator

Voltage Regulator 15784840 for Buick Lucerne (06-11)

OEM / REF: 15784840SKU: pilotpart411641

New Window Regulator W/Motor Rear Passenger Side Right RRH Replacement For 2006 2007 2008 2009 2010 2011 Buick Lucerne, 15784840, 15929733, 135-121R, 748-113 is a Voltage Regulator replacement part indexed for Part Number and BUICK Lucerne (06-11). Match OEM part number 15784840 and confirm fitment for Buick Electri...

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

$118.53USD/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; BUICK Lucerne (06-11). Compare reference number 15784840 against the label on your existing Buick component before ordering.

Additional cross references on file: 15929733, 135-121R, 748-113. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

15784840 15929733 135-121R 748-113

Applications

Part Number
BUICK Lucerne (06-11)

Specifications

SPECIFICATIONS	Power Window Regulator and Motor Assembly
POSITION	Rear Right
NOTE 1	Supplied with Motor
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
Part Number	15784840, 15929733, 135-121R, 748-113

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.