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18" Heavy-Duty Seat Rail Mount with AMPS Mounting Pattern
The RoadVise XL Phone Holder with Heavy Duty Car Seat Rail Mount and 3.75” Shaft Arm includes a metal mounting bracket with multiple holes, four black screws, and a small silver clamp—shown arranged on a white background.
Diagram featuring the Slim-Grip® Tablet Holder with Metal Drill Base Mount, illustrating a Universal AMPS plate with four screw holes, central ball mount, labeled dimensions, and text highlighting compatibility and easy installation.
An exploded view of the black Camera Wall Mount for Nikon, Sony, Canon, Fujifilm, and Olympus cameras shows each part—spring and screws—plus text highlighting its strong hold, secure fit, and adjustable hardware.
A person holds the Clamp Mounting Pedestal with 12 Gooseneck - Dual-T Compatible, featuring black ribbed grips for a secure hold. The text notes its stability and adjustability for device mounting. Arkon Mounts logo is in the corner.
The RoadVise XL Phone Holder with Heavy Duty Car Seat Rail Mount and 3.75” Shaft Arm includes a metal mounting bracket with multiple holes, four black screws, and a small silver clamp—shown arranged on a white background.
Diagram featuring the Slim-Grip® Tablet Holder with Metal Drill Base Mount, illustrating a Universal AMPS plate with four screw holes, central ball mount, labeled dimensions, and text highlighting compatibility and easy installation.
An exploded view of the black Camera Wall Mount for Nikon, Sony, Canon, Fujifilm, and Olympus cameras shows each part—spring and screws—plus text highlighting its strong hold, secure fit, and adjustable hardware.
A person holds the Clamp Mounting Pedestal with 12 Gooseneck - Dual-T Compatible, featuring black ribbed grips for a secure hold. The text notes its stability and adjustability for device mounting. Arkon Mounts logo is in the corner.

18" Heavy-Duty Seat Rail Mount with AMPS Mounting Pattern

SKU RM88MAMPSHD
Rated 4.87/5 by thousands of happy customers
$0.00 - $0.00
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$75.95
$75.95 - $75.95
$75.95
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Upgrade your in-vehicle setup with this 18-inch Heavy-Duty Seat Rail Mount featuring a universal 4-Hole AMPS mounting pattern. Designed for flexibility, the durable gooseneck bends and positions your device exactly where you need it—perfect for navigation, fleet management, hands-free calls, or in-cab workflows.

Mounted directly to the seat rail or floorboard, this pedestal keeps dashboards and windshields clutter-free while delivering rock-solid stability, even on rough terrain. Compatible with any AMPS-mounted holder or device, this system creates a clean, customizable, and professional mounting solution for cars, trucks, and service vehicles.

Features

  • Flexible 18" gooseneck allows precise positioning for optimal viewing

  • Universal 4-hole AMPS mounting pattern compatible with a wide range of holders and devices

  • Seat rail or floor installation provides a secure, vibration-free mounting solution

  • Keeps dashboards and windshields clear for a cleaner, safer driving environment

  • Durable aluminum and metal construction built for heavy-duty commercial use

Compatible with any holder or device that utilizes a 4-hole AMPS mounting pattern.

Works with most* Garmin devices that use the AMPS mounting pattern.

Supported Garmin models include:

  • Garmin Overlander
  • Garmin Tread Overland
  • Garmin Tread Powersport
  • Garmin Montana 600 series
  • Garmin Montana 700 series
  • Garmin GPSMAP 276Cx
  • Garmin GPSMAP 66i
  • Garmin GPSMAP 66sr
  • Garmin zūmo XT
  • Garmin aera 500 / 550 / 560

*Please confirm AMPS mounting pattern compatibility with the manufacturer.

  • Design: Sleek low-profile design creates a professional in-cab setup without added bulk.
  • Model: RM88MAMPSHD
  • Mounting Pattern: 4-Hole AMPS
  • Total Height: Approx. 21.25 in (539.75 mm)
  • Weight: Approx. 1.06 lbs (481.94 g)
  • Material: Aluminum
  • Mounting Type: Seat Rail

California Prop 65 Warning

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