AMPS Compatible Base Mount for the Westin Adventure Mount System
The Westin WES10-21035 is an AMPS-compatible base mount (38mm x 30mm) for the Westin Adventure Mount system, providing a universal mounting surface that accepts standard AMPS-pattern device holders and brackets directly onto the Adventure Mount base without requiring an arm section. WES10-21035 is ideal for mounting compact devices as close to the base as possible, and is compatible with the wide ecosystem of AMPS-standard third-party device holders available on the market.
Key Features
- AMPS-compatible base mount: 38mm x 30mm hole pattern
- Mounts directly to Adventure Mount base, no arm required
- Accepts standard AMPS-pattern device holders
- Compatible with a wide range of third-party AMPS device cradles and brackets
- Compact, low-profile design
Specifications
| Detail | Value |
|---|---|
| Part Number | WES10-21035 |
| Type | AMPS Compatible Base Mount |
| AMPS Pattern | 38mm x 30mm |
| Connection | Mounts to Adventure Mount base |
| System Compatibility | Westin Adventure Mount system |
What’s Included
- 1x WES10-21035 AMPS base mount (38mm x 30mm)
- Hardware
About Westin
Westin Automotive Products designs the Adventure Mount system as a modular no-drill vehicle mounting platform. The WES10-21035 AMPS base mount enables use of the vast AMPS-standard device holder ecosystem directly on the Adventure Mount base for compact, close-to-base device mounting.
FAQ
What is the WES10-21035?
The WES10-21035 is the Westin Adventure Mount AMPS-compatible base mount with a 38mm x 30mm hole pattern, allowing standard AMPS-pattern device holders to mount directly to the Adventure Mount base without an arm section.
What AMPS pattern does WES10-21035 use?
The WES10-21035 uses the standard 38mm x 30mm AMPS (Automotive Mobile Products Standard) hole pattern, which is the most common AMPS pattern used by GPS holders, phone cradles, and specialty device brackets.
Does WES10-21035 require an arm?
No. The WES10-21035 is designed to mount directly to the Adventure Mount base, placing the device as close to the base as possible without an arm extension.
Does WES10-21035 require a vehicle-specific base?
Yes. A vehicle-specific Adventure Mount base is required for WES10-21035 to be installed in a vehicle.
Is WES10-21035 universal?
Yes. WES10-21035 is a universal Adventure Mount accessory and is not vehicle-specific.
What device holders are compatible with WES10-21035?
Any device holder or bracket with the standard 38mm x 30mm AMPS hole pattern is compatible with WES10-21035, including a wide range of GPS holders, phone cradles, radar detector mounts, and commercial device brackets.
Does WES10-21035 include hardware?
Yes. Necessary hardware is included.
Can I switch from WES10-21035 to an arm-based configuration later?
Yes. The Adventure Mount system is fully modular, and the base can accept either the WES10-21035 AMPS mount or any 20mm ball arm interchangeably.
Installation Instructions
- Install the vehicle-specific Adventure Mount base per its instructions
- Attach WES10-21035 to the base mounting point using the included hardware
- Align the AMPS hole pattern on your device holder with the WES10-21035 pattern
- Secure the device holder to WES10-21035 using the holder’s included AMPS hardware
- Verify the device is secure and positioned correctly before driving








