Attwood Marine 278 Pro Seat Mount, 2-7/8 in Pedestal Fit

Overview

The Attwood Marine 278 Pro Mount is a seat mount for Attwood 278 Pro seating systems, built for boat seats that need a firm connection to a fixed-height pedestal. It is used between the seat and pedestal assembly, helping control seat movement while keeping the mounting interface stable under normal helm or passenger use.

This 278 Pro Mount range is offered in ABYC operator and non-operator configurations, with 0 degree and 3 degree mount angle options. The 278 Pro system uses a larger seat interface than smaller pedestal families, so matching the mount to the correct 278 Pro components is important before installation.

Key features

• Made for Attwood 278 Pro seating systems and fixed-height pedestal installations.
• Compatible with 2-7/8-inch 278 Pro pedestal components.
• Friction control lock helps reduce unwanted seat movement while underway.
• Rigid mount layout with a wider seat interface supports larger helm seat installations.
• Available in ABYC operator and non-operator versions for matching the seat location on board.
• Mount angle options include 0 degree and 3 degree configurations.

Variants

This product is offered in three configurations so the mount can be matched to the seat position and the angle needed for the installation.

The ABYC code changes between operator and non-operator use, while the mount angle changes between flat 0 degree mounting and a 3 degree angled setup. The 278 Pro seating system fit remains the guiding factor across the range.

• 278ANZPM-1: ABYC code non-operator with 0 degree mount angle. This version suits non-helm seating positions where a flat mount angle is required.
• 278AOZPM-1: ABYC code operator with 0 degree mount angle. This version is intended for operator seating positions that need a level seat mount setup.
• 278AO3PM-1: ABYC code operator with 3 degree mount angle. This version is used for operator seating positions where the seat mount needs the 3 degree angled configuration.

Compatibility and fit

Use this mount only with matching 278 Pro seating components. Pro series parts are not interchangeable with smaller pedestal systems, so the pedestal diameter and series should be checked before replacing an existing mount or building a new seat assembly.

For a clean installation, confirm the seat base pattern, pedestal series, ABYC operator or non-operator requirement, and mount angle before drilling or fastening. This is especially important on helm seats, where seat position affects visibility, control access, and comfort during longer runs.

Use cases on board

This mount is a practical fit for helm and passenger seating on fishing boats, center consoles, cruisers, and other boats using Attwood 278 Pro fixed-height pedestal hardware. It works well where the seat needs a secure mounting point rather than a lightweight removable seat arrangement.

It is a good match for owners replacing a worn seat mount, upgrading a helm seat assembly, or standardizing seating hardware around the 278 Pro system.