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Rear Driver Side Door Window Regulator
Authorized Dealer
Rear Driver Side Door Window Regulator
BrandGM Genuine PartsLearn More
PositionRear
Qty/Vehicle1
ConditionNew
Includes: (1) Window Regulator, Hardware
$000
•In Stock•Fast Shipping1
Estimated Delivery by calculating...
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Ships to
Product Specifications
Features & Benefits
- •Direct OE fit - no modifications needed
- •Meets or exceeds manufacturer specs
- •24-month warranty included
- •Fast Shipping — ships same day before 3 PM ET
BrandGM Genuine Parts
Part Number42521385
Part TypeWindow Regulator
ConditionNew
Attachment TypeBolt
Motor IncludedYes
Compatibility
Vehicle Compatibility
Guaranteed to fit 0 vehicles from Infinity--Infinity
No compatibility data available
Frequently Asked Questions
We're always here to help. If you can't find your answer, ask Rydon - our AI assistant will help you out.
What vehicles does this Window Regulator fit?
This GM Genuine Parts Window Regulator (Part #42521385) fits specific vehicles. Use the compatibility checker on this page to verify fitment for your vehicle.
Is this an OEM or aftermarket part?
This is a premium aftermarket Window Regulator by GM Genuine Parts, designed to meet or exceed OEM specifications with strict quality control standards.
What warranty is included?
This GM Genuine Parts Window Regulator is backed by a 24-month limited warranty covering defects in materials and workmanship from date of purchase.
How long does shipping take?
Fast shipping — orders before 3 PM ET ship the same day. Most arrive within 3-5 business days.
Can I return this if it does not fit?
30-day money-back guarantee. Return unused parts in original packaging for full refund.
Compatibility
Vehicle Compatibility
Guaranteed to fit 0 vehicles from Infinity--Infinity
No compatibility data available
Product Specifications
Brand
GM Genuine Parts
Part Type
Window Regulator
Motor Included
Yes
Terminal Type
Blade
Part Number
42521385
Attachment Type
Bolt
Mounting Hardware Included
No
Window Operation Type
Electric
Attachment TypeBolt
Motor IncludedYes
Mounting Hardware IncludedNo
Terminal TypeBlade
Window Operation TypeElectric
Connector GenderFemale
Connector Quantity1
Features Benefits - Bullet 1Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
Features Benefits - Bullet 2GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
Features Benefits - Bullet 3GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
Features Benefits - Bullet 4GM regularly updates production and service part designs to integrate new materials and technologies
Good Maintenance Practices - Section 1 - Bullet 1Never try to roll down the window when it is frozen.
Good Maintenance Practices - Section 1 - Bullet 2Keeping the parts well-greased is important to ensure that they keep operating properly.
Good Maintenance Practices - Section 1 - HeaderThere are many things you can do to keep your vehicle's window system running smoothly:
Maximum Width7.05 IN
Meets Or Exceeds Original Equipment Manufacture SpecificationsYes
Product DescriptionGM Genuine Parts Window Regulators are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These regulators will keep your windows running properly. GM Genuine Pa
Programming RequiredYes
Signs Of Wear Troubleshooting - Section 1 - Bullet 1Check fuse.
Signs Of Wear Troubleshooting - Section 1 - Bullet 2Check that battery is in good condition and connected.
Signs Of Wear Troubleshooting - Section 1 - Bullet 3Be sure ignition is in the 'Accessory Position'.
Signs Of Wear Troubleshooting - Section 1 - Bullet 4Be sure window is seated in guides properly.
Signs Of Wear Troubleshooting - Section 2 - Bullet 1If replacement was 'motor' only, be sure motor gear is properly aligned with regulator gear.
Signs Of Wear Troubleshooting - Section 2 - Bullet 2Check weather stripping for drag on window.
Signs Of Wear Troubleshooting - Section 2 - Bullet 3Be sure moving parts on regulator or window itself are not encountering interference.
Signs Of Wear Troubleshooting - Section 2 - HeaderIf your window vibrates when moving:
Signs Of Wear Troubleshooting - Section 3 - Bullet 1Be sure window is seated in guides properly.
Signs Of Wear Troubleshooting - Section 3 - Bullet 2Check that screws holding regulator are tight.
Signs Of Wear Troubleshooting - Section 3 - Bullet 3Check to see if wires or cables are interfering with movement of window or regulator.
Signs Of Wear Troubleshooting - Section 3 - HeaderIf your window makes noise when moving (NOTE: A noise level similar to the 'hum' of a small fan is expected.) If louder, then:
Terminal GenderMale
Terminal Quantity2
Check if this fitsShop worry-free by verifying fitment first. If the part doesn't fit, we'll make it right or refund you. Learn more
Main Image
Click to expand
Rear Driver Side Door Window Regulator
Authorized Dealer
Call for Price
888-477-2530Our parts specialists are ready to help you find the best price.
Part #:42521385
OE REPLACEMENT
Rear Driver Side Door Window Regulator
|
Part #:42521385
|
Window Regulator
Call for Price
888-477-2530Our parts specialists are ready to help you find the best price.
Quantity:
1
In Stock·10 or more available
Fast delivery between Mon, Jun 22 to Mon, Jun 22
Ships To:Key Features
OEM-Equivalent QualityMeets/exceeds factory specs
American BusinessMaryland since 1986
24-Month WarrantyLimited coverage on every part
Fast Same Day ShippingWe ship all orders the same business day before cutoff
Product Specs
BrandGM Genuine Parts
Part Number42521385
Part TypeWindow Regulator
ConditionNew
Attachment TypeBolt
Motor IncludedYes
Mounting Hardware IncludedNo
Terminal TypeBlade
Compatibility
Vehicle Compatibility
Guaranteed to fit 0 vehicles from Infinity--Infinity
No compatibility data available
Questions & Answers
This GM Genuine Parts Window Regulator (Part #42521385) fits specific vehicles. Use the compatibility checker on this page to verify fitment for your vehicle.
This is a premium aftermarket Window Regulator by GM Genuine Parts, designed to meet or exceed OEM specifications with strict quality control standards.
This GM Genuine Parts Window Regulator is backed by a 24-month limited warranty covering defects in materials and workmanship from date of purchase.
Fast shipping — orders before 3 PM ET ship the same day. Most arrive within 3-5 business days.
30-day money-back guarantee. Return unused parts in original packaging for full refund.
Have a Question?
Ask Marvin, our Car Expert
Offline
Things to Know
About This Window Regulator
This GM Genuine Parts automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- •Unusual noises from the component area
- •Decreased vehicle performance
- •Warning lights on dashboard
- •Visible wear or damage
- •Failed vehicle inspection
GM Genuine Parts
Trusted Automotive Brand
GM Genuine Parts is a trusted manufacturer of quality automotive parts.
View all GM Genuine Parts productsInstallation Guide
Moderate
1-3 hours
Tools Needed
Basic hand toolsTorque wrenchVehicle service manual
Frequently Asked Questions
WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which are known to the State of California to cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts