Identify Attwood 238 Pedestal Kits, LakeSport & Extension Posts

Replacing a pedestal or seat mount on an older fishing boat, pontoon or other marine seating installation? Attwood's 2⅜-inch 238 Series and LakeSport components share a nominal post diameter, but the specific model number determines whether you are looking at a complete kit, an extension post or an adjustable assembly. Use the original number and mounting configuration to identify the replacement.

Identify Attwood 238 Series hardware by MPN

Part number Part type Height or fitting Code Identification note
23809-7 Complete pedestal kit 9-inch post AO Kit with swivel seat mount and 9-inch round base
23815-7 Complete pedestal kit 15-inch post AO Kit with swivel seat mount and 9-inch round base
238613-1 Standard extension post 13-inch installed AO Matching standard 238 Series hardware
238615-3 Standard extension post 15-inch installed AO Matching standard 238 Series hardware
2385405 LakeSport bell pedestal 12½–15½-inch adjustable AO Includes seat mount; operator-position component rating
2385400 LakeSport bell pedestal 14–20-inch adjustable AN Includes seat mount; non-operator seating
238613L1 LakeSport extension post 13-inch installed AN For LakeSport seat mounts only
238027-1 Pro-Pole extension 27-inch installed B Not intended for helm or driver use
818440 LakeSport seat mount 3° tilt AN Aluminum non-operator-position mount
818441 LakeSport seat mount 3° tilt AO Aluminum operator-position mount

The 23809-7 and 23815-7 are kits that include the post, swivel seat mount and 9-inch round base. The 238613-1 and 238615-3 are separate standard extension posts. The adjustable 2385405 and 2385400 are LakeSport bell-style pedestal assemblies with seat mounts. A post by itself should not be mistaken for a complete pedestal kit.

Check the seating classification: AO designates an operator-position component, AN a non-operator Type A component, and B a lower-speed non-helm application. The AN-rated 2385400 and 238613L1 are not direct operator-position replacements for AO-rated parts. Complete seat-assembly suitability must also be established.

Checks before buying replacement pedestal hardware

  1. Read the full model number. The LakeSport-only 238613L1 has different intended usage from the standard 238613-1 despite both having a 13-inch installed height.
  2. Check the assembly components. Complete kits include a base and mount. Standalone extension posts need appropriate matching hardware.
  3. Compare installed height. The standard 238613-1 and 238615-3 heights are measured from deck to the top of the seat mount; the kit numbers identify post lengths.
  4. Identify the operator position. Do not replace an AO-rated operator-seat component with AN or B hardware on the assumption that the post diameter makes it interchangeable.
  5. Confirm mounting details. The 23809-7 and 23815-7 kit bases are 9 inches round with a 3-inch deck-hole requirement. Verify the actual fastener pattern and space beneath the deck before modifying the installation.
  6. Match seat mounts as well as bases. LakeSport has specific seat-mount requirements. A similarly sized post does not prove compatibility with a different mount or another manufacturer's hardware.
  7. Inspect the existing hardware. Check for corrosion, bent components and damaged locking connections; review the condition and included components in each product listing.

Attwood 238 parts and product images

Each card links to the corresponding manufacturer part number on UsedRVParts. The products shown here are catalogued as Brand New; availability and condition should be confirmed on the live listing. Eligible local viewing and pickup in Kelowna are by appointment.

Other marine seating reference pages

To compare separate base shapes and mounts, see our 238 Series base and seat-mount identification guide. If the connection looks different, check our Snap-Lock 1.77-inch reference or Lock'N-Pin ¾-inch post guide.

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