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- Description
- Fitment
- Warranty and Refund
- Reviews
Keep your door window moving the way it should with the AISIN RPB-020 Window Regulator. This replacement component is built to support the mechanism responsible for raising and lowering your vehicle's window, helping restore everyday convenience when your original unit wears out or fails.
As part of AISIN's Body category lineup for door systems, the RPB-020 is designed for straightforward replacement, making it a practical choice for drivers tackling a window regulator repair. Whether you're a DIY enthusiast or working with a trusted technician, this part offers a dependable option for getting your window back in working order.
Notes
Power Window Regulator Assembly w/o Motor
Features
- Supports smooth raising and lowering of your vehicle's door window
- Designed as a replacement for a worn or failing window regulator
- Practical choice for door system repair and maintenance projects
- Straightforward installation helps simplify your window regulator replacement
- Sourced from AISIN, a recognized name in automotive body components
Application Summary
1997-2000 BMW 528i 2.8L 2793CC -CID L6 DOHC 24 Valve Naturally Aspirated GAS1997-2003 BMW 540i 4.4L 4398CC -CID V8 DOHC 32 Valve Naturally Aspirated GAS
2000-2003 BMW M5 5.0L 4941CC -CID V8 DOHC 32 Valve Naturally Aspirated GAS
2001-2003 BMW 525i 2.5L 2494CC 152CID L6 DOHC 24 Valve Naturally Aspirated GAS
2001-2003 BMW 530i 3.0L 2979CC -CID L6 DOHC 24 Valve Naturally Aspirated GAS
Specifications
- Brand: AISIN
- Part Number: RPB-020
- Part Type: Window Regulator
- UPC: 4954514808422
- GTIN: 04954514808422
- Item Dimensions: 24.8100 x 17.3300 x 3.0000 IN
- Package Dimensions: 24.8100 x 17.3300 x 3.0000 IN
- Package Weight: 4.3000 PG
- Package Quantity: 1 EA
- Mounting Position: Front Right
- Attachment Type: Bolt On
- Mounting Hardware Included: No
- Window Operation Type: Electric
- Installation Instructions Included: Yes
- Frame Material: Steel
- California Proposition 65: WARNING: This product contains lead and lead compounds which is known to the State of California to cause birth defects or other reproductive harms.
Interchange
- Dorman: 740-479
- ACDelco: 11R466
- WAI: WPR0484R
- Partslink: BM1351103
- TrakMotive: 20-0058
- VDO: WR40073
- ACI: 81521
- BMW: 51338252394
Warranty
- Warranty Duration: 12 Months
- Warranty Mileage: 12000 Miles
Returns
30-Day Money-Back Guarantee
We want you to be completely satisfied with your purchase! If you are not happy for any reason, you may return the item within 30 days for a refund, minus shipping fees, provided that: The part is brand new, uninstalled, and undamaged in any way.
To initiate a return, please contact us or email support@mizumoauto.com for a Return Authorization Number (RMA) and the return shipping address. Returns without an RMA number will be refused and returned to you at your expense.
Return Requirements:
- Items must be securely packed in the original manufacturer's packaging.
- All original materials must be included, such as hardware, manuals, protective caps, wrapping, and instructions.
- You must obtain and retain the tracking number for your return.
Non-Returnable Items:
- Piston rings, main bearings, and rod bearings are non-returnable if the manufacturer’s seal or shrink-wrapped plastic has been opened. No exceptions—this ensures the integrity of the parts you receive.
We are not responsible for lost or damaged returns. If your return is lost or damaged during shipping, a refund cannot be issued, as the item cannot be resold or returned to the supplier. Please file a claim directly with your shipping carrier for reimbursement.
Refunds are processed within 1-2 business days after we receive and inspect the returned item. Please allow this processing time before inquiring about your refund status.
Warranty
Mizumo Auto provides a 90-day Limited Warranty against defects in workmanship and materials under normal service conditions, effective from the original delivery date.
This warranty is non-transferable and applies only to the original purchaser. Coverage is limited to the replacement or refund of defective products.
Exclusions:
The warranty does not cover labor costs, damage resulting from accidents, misuse, alterations, or unauthorized modifications, as well as additional expenses such as towing, fluids, oils, car rentals, and any other parts not included in the original purchase.
Warranty Claims Process:
- All warranty claims must be pre-authorized and returned prepaid to Mizumo Auto for inspection and approval.
- No exchanges will be made for products that have been damaged, misused, or improperly installed. We strongly recommend professional installation.
- The buyer assumes all risk of damage resulting from improper installation.
All disputes related to transactions shall be resolved by a court of competent jurisdiction in Los Angeles County, California.
Shipping
We offer Free UPS Ground or USPS Ground Advantage shipping within the continental U.S. (48 states).
Shipping to Other Locations:
A delivery surcharge applies to shipments to: Alaska, Hawaii, Puerto Rico, U.S. territories, APO/FPO addresses, Canada, and international destinations.
Order Processing & Tracking:
- Orders are shipped Monday through Friday, excluding holidays.
- Orders placed before 3:00 PM PST will ship the same day, unless unexpected delays occur.
- A tracking number will be emailed within one business day after shipping.
If you do not receive a tracking number, please:
- Check your spam/junk folder.
- If it's not there, contact us via phone or eBay message for assistance.
International Orders:
Import duties, taxes, and brokerage fees are not included in the shipping fee. Please check with your shipping carrier and local customs office regarding any applicable fees before placing your order.









