OVR3009 Overlander Series Half Slider Van Bunk Window

The VWD Overlander Series Half Slider Van Bunk Window (OVR3009) is a compact, universal-fit van window designed for builders who need ventilation, privacy, and natural light in a smaller installation footprint. Whether you are building a camper van, overland vehicle, adventure rig, enclosed trailer, or custom utility vehicle, the OVR3009 offers a practical solution for tight spaces where larger windows may not be ideal.

With solar privacy glass, a half-slider opening, clamp ring installation, and compact dimensions, the OVR3009 is especially popular for bunk areas, sleeping quarters, rear cargo spaces, and custom van conversion layouts.

View the OVR3009 Overlander Half Slider Window

OVR3009 Product Specifications

SKU	OVR3009
Fitment	Universal Fit - verify measurements before ordering
Glass Color	Solar Privacy Glass
UV Rating	17%
Installation Type	Clamp Ring
Manufacturing Country	China
Manufacturer Warranty	1 Year
Outer Dimensions	31-5/16" x 10-3/16"
Cut-Out Dimensions	30" x 9"
Vent Opening Size	12-3/4" x 5-7/8"
Clamp Ring Wall Depth	1/8"

Compact Window Design for Van Conversions

Not every van build has room for large side windows. Many camper vans include upper cabinets, bed platforms, electrical systems, insulation, wall panels, and storage compartments that limit available wall space. The OVR3009 was designed for those tighter areas where builders still want airflow and natural light without sacrificing layout flexibility.

The compact outer dimensions of approximately 31-5/16" x 10-3/16" make this window ideal for bunk areas and smaller panel spaces. Its smaller footprint allows builders to add useful ventilation while preserving space for other critical build components.

Universal Fit for Custom Van Builds

The OVR3009 is a universal-fit window, which means it is not limited to one specific vehicle make or model. Instead, compatibility is based on available panel space, wall depth, and proper cutout dimensions.

Because universal windows require layout planning, builders should verify all measurements before cutting the vehicle. The listed cut-out dimension for the OVR3009 is approximately 30" x 9".

Common applications include:

• Mercedes-Benz Sprinter vans
• Ford Transit vans
• Ram ProMaster vans
• Overland vehicles
• Expedition trucks
• Camper trailers
• Utility bodies
• Enclosed trailer conversions
• Custom adventure vehicles

Half Slider Ventilation

The half-slider design gives the OVR3009 practical ventilation in a compact frame. One section of the window slides open to allow fresh air into the vehicle, helping improve interior comfort during camping, travel, and everyday use.

Ventilation benefits include:

• Fresh airflow near sleeping areas
• Reduced stale air
• Improved comfort in warm weather
• Support for cross-ventilation when paired with roof fans
• Better air circulation in compact spaces

For many van owners, even a small opening window can make a major difference in sleeping comfort and overall livability.

Designed for Bunk and Sleeping Areas

The OVR3009 is especially useful in bunk locations and sleeping areas where fresh air is important but wall space is limited.

Popular installation locations include:

• Rear sleeping platforms
• Bunk bed areas
• Garage spaces under raised beds
• Dinette or seating areas
• Rear cargo conversions
• Compact camper layouts

Adding ventilation near the bed can help improve overnight comfort and reduce the closed-in feeling that is common in cargo van conversions.

Solar Privacy Glass

The OVR3009 features solar privacy glass with a listed 17% rating. Privacy glass helps create a clean, modern appearance while reducing visibility into the vehicle from the outside.

Benefits of solar privacy glass include:

• Improved privacy
• Reduced visibility into the van
• Clean exterior appearance
• Reduced glare compared to clear glass
• Modern styling for camper van builds

Privacy glass is especially popular for camper vans and overland vehicles because it helps maintain a more comfortable and discreet interior environment.

Clamp Ring Installation

The OVR3009 uses a clamp ring installation method. This style of installation uses an interior ring that mechanically secures the window to the vehicle wall.

Clamp ring windows are popular with DIY builders because they generally do not require automotive urethane bonding. The window is inserted from the outside, and the interior clamp ring is installed from inside the vehicle.

Basic clamp ring installation steps typically include:

1. Measure and verify the installation location.
2. Create the correct cutout opening.
3. Smooth and protect the exposed metal edge.
4. Place the window into the opening from the outside.
5. Install the clamp ring from the inside.
6. Tighten fasteners evenly around the perimeter.

Always follow the product-specific installation instructions and confirm compatibility with your vehicle wall thickness before installation.

Why Smaller Windows Can Be Better

Large windows are useful in some locations, but smaller windows offer important advantages in many van builds.

Compact windows like the OVR3009 can:

• Preserve cabinet space
• Fit near beds and bunks
• Reduce layout conflicts
• Provide targeted airflow
• Offer natural light without overwhelming the interior
• Work in tighter body panels

For overland and adventure builds, smaller windows can also help maintain a more discreet exterior appearance while still improving livability.

Pairing the OVR3009 with Roof Fans

Many van builders pair smaller opening windows with roof-mounted ventilation fans. This creates cross-ventilation by allowing fresh air to enter through the side window while warm air exits through the roof fan.

This combination is commonly used to help manage:

• Heat buildup
• Humidity
• Cooking odors
• Condensation
• Stale air

Even a compact vent opening can support airflow when used as part of a complete ventilation plan.

Built for Adventure Vehicles

The Overlander Series is designed for builders who need practical, durable window options for vehicles used beyond everyday commuting.

Common build types include:

• Weekend camper vans
• Full-time van life builds
• Overland vehicles
• Hunting and fishing rigs
• Mobile work vehicles
• Expedition-style builds
• Compact travel vans

The OVR3009 provides a balance of ventilation, privacy, compact sizing, and clean styling that works well across many types of vehicles.

Why Buy from Van Windows Direct?

Van Windows Direct specializes in windows for van conversions, overland builds, camper vans, and commercial upfits. Our product selection includes fixed glass windows, sliding windows, awning windows, bunk windows, universal windows, and direct-fit options for popular van platforms.

Explore additional window options:

• Universal Van Windows
• Sliding Van Windows
• Awning Van Windows
• Sprinter Van Windows
• Transit Van Windows
• ProMaster Van Windows
• Van Conversion Guides & Resources

Upgrade Your Build with the OVR3009

The VWD Overlander Series Half Slider Van Bunk Window (OVR3009) is an excellent solution for builders who need compact ventilation, privacy glass, and a universal clamp ring design.

With its 31-5/16" x 10-3/16" outer dimensions, 30" x 9" cutout size, and 12-3/4" x 5-7/8" vent opening, the OVR3009 provides real functionality in a compact package.

Whether you are building a camper van, overland vehicle, enclosed trailer, or custom adventure rig, this window is a practical upgrade for improving airflow, comfort, and usability.

Shop the OVR3009 Overlander Series Half Slider Window