Direct: (503) 987-4002
Main: (503) 987-4000





Cut in some airflow and natural light without sacrificing your build's clean aesthetic. The VWD OVR4015 Overlander Bunk Window is a universal fit, flat half-slider designed specifically for van bunk areas and cargo walls. With a sleek black aluminum frame and solar privacy glass, it delivers ventilation, light, and privacy in one package — and it installs on either side of the van.
The clamp ring mounts on walls up to 1/8" thick and doubles as a trim ring, keeping the install looking finished from both inside and out. A built-in drainage system on the top and bottom handles rain, and included plugs cover the top drain holes once you've locked in your window position. The fixed bug screen keeps the trail outside where it belongs.
Note: This window is designed for flat walls or low-curve vehicles — compatible with 2007+ Mercedes Sprinter, 2014+ Ram ProMaster, and 2015+ Ford Transit. It will not work on older Chevy or Ford models with deep-curve side panels.
| SKU | Exterior (W x H) | Interior (W x H) | Screen Opening (W x H) | Clamp Ring Depth |
|---|---|---|---|---|
| OVR3009 | 31-5/16" x 10-3/16" | 30" x 9" | 12-3/4" x 5-7/8" | 1/8" |
| OVR3511 | 36-3/4" x 13-1/8" | 35-7/16" x 11-7/8" | 16" x 9-3/8" | 1/8" |
| OVR4015 | 41-5/16" x 16-5/16" | 40" x 15" | 17-13/16" x 11-7/8" | 1/8" |
We ship nationwide and internationally. Most in-stock items leave our shop within 1–3 business days. Made-to-order and oversized parts may require additional lead time; any special timing will be noted on the product page.
If an order is placed outside of our normal business hours (Monday–Friday), we will process it as soon as possible once our team is back in the shop during regular operating hours. Weekend orders will be handled the next business day.
We want you stoked on your gear. Eligible items may be returned within 30 days of delivery for a refund or exchange.
Many products include a manufacturer warranty. We’re happy to help facilitate claims—reach out with your order number, photos, and a description of the issue.
Questions about shipping or returns? Get in touch—our team is here to help you get trail-ready.
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