Sea-Dog makes a 48-inch heavy-duty strap with a stainless buckle and a separate 38-inch strap with a molded nylon buckle. The mounting brackets also differ. Compare the original battery-box size, its anchor positions and the buckle hardware before selecting a replacement kit.

Identify the strap and bracket kit

Compare the exact manufacturer number rather than relying on front appearance. On narrow screens, scroll the chart sideways to see the complete specifications.

MPN Type Length Hardware Drawing dimensions
415082-1 Heavy-duty battery-box strap 48-in strap Stainless buckle and chrome-brass brackets A 4 ft; B 1; C 2-3/16 in
415092-1 Standard battery-box strap 38-in strap Injection-molded nylon buckle and brackets A 38; B 1-9/16; C 1; D 2-5/16 in
Match the anchor arrangement: The 48-inch 415082-1 includes a stainless buckle and chrome-brass brackets. The 38-inch 415092-1 includes an injection-molded nylon buckle and two brackets. The manufacturer's A/B/C/D drawing measurements refer to specific hardware features, not automatically the battery-box interior dimensions.

Kit contents: Sea-Dog lists four #8 flat-head fasteners with each of these two strap kits. The heavy-duty version has two chrome-plated brass brackets and a stainless buckle. The shorter version has two brackets and a molded nylon buckle. Confirm the supplied kit against the individual product listing.

For original specifications and installation guidance, see the manufacturer's references: Sea-Dog heavy-duty strap, Sea-Dog standard strap.

Before selecting a replacement

  1. Measure the distance around the battery box and the existing anchor route; leave enough strap length for a secure buckle connection.
  2. Identify the buckle type and the original bracket attachment holes before choosing a replacement.
  3. Check the 48-inch versus 38-inch listed strap lengths and the manufacturer's labelled hardware dimensions.
  4. Install the supplied brackets and fasteners into a structurally suitable mounting surface using the manufacturer's instructions.
  5. Confirm the battery or box is restrained against movement, and inspect for worn straps, corrosion and interference with electrical terminals.

Exact catalog product matches

These exact products link to UsedRVParts listings. Review the stated condition and availability; viewing and pickup in Kelowna are by appointment.

For battery enclosures and size comparisons, see the battery-box and tray identification guide. For insulation around exposed connections, use the Sea-Dog battery-terminal cover identification guide.

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