Rockford Fosgate RFFAGUInline AGU Fuse Holder

4.569 reviewsSee all reviews

Generally a sturdy, well-made AGU fuse holder that provides tight electrical connections and good protection; check mounting hardware and fuse compatibility before install.

Buyer confidence

83%

Highlights

  • Custom tooled solid brass
  • HPP plating for superior corrosion resistance
  • Flexible for use with multiple wire sizes
  • 1 Year Warranty

Highlights

Overview
  • Custom tooled solid brass
  • HPP plating for superior corrosion resistance
  • Flexible for use with multiple wire sizes

Review highlights

Based on customer reviews

Rockford Fosgate inline AGU fuse holder — solid build and reliable connections

Generally a sturdy, well-made AGU fuse holder that provides tight electrical connections and good protection; check mounting hardware and fuse compatibility before install.

69 reviews4.5/5 averageUpdated Mar 15, 2026

What buyers praise

  • Solid, heavy-duty construction with a reassuring weight
  • Fuse and wire seat tightly for reliable electrical connections

What to watch for

  • Mounting bracket/clip and tabs can be flimsy or may break — some users avoid mounting and attach to the cable instead
Overview

Waterproof inline AGU fuse holder with a platinum-plated finish. Accepts 4 AWG or 8 AWG cable. Fuse and cable are not included and are sold separately.

Best for

  • Car audio installs that need an inline AGU fuse connection for 4 AWG or 8 AWG wiring.

Key points

  • Inline AGU fuse holder (waterproof)
  • Platinum-plated finish
  • Accepts 4 AWG or 8 AWG cable
  • Inline design for AGU-style fuses
  • Fuse and cable not included; sold separately
  • Brand: Rockford Fosgate — SKU: RFFAGU

Fit and use

Designed to hold AGU-style fuses in an inline configuration. Use with 4 AWG or 8 AWG cable sized for your system. This unit provides a connection point for an external AGU fuse (fuse and cable sold separately).

What to know

This holder does not include the fuse or wiring — those must be purchased separately. The product features a platinum-plated finish and a waterproof inline design. Confirm the correct fuse amp rating and cable gauge for your application before purchase.

Highlights

Key features

  • Custom tooled solid brass
  • HPP plating for superior corrosion resistance
  • Flexible for use with multiple wire sizes
  • 1 Year Warranty
More info

Manufacturer details

AGU waterproof inline fuse for 4 AWG or 8 AWG cable. NOTE: Fuse and cable not included and sold separately.

Additional details

Platinum plated fuse holder, flexibility of multiple wire size inputs. Inline AGU fuse holder, platinum finish. Accepts 4 AWG or 8 AWG wire. NOTE: Fuse and cable not included and sold separately.

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