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Wire (East Penn Mfg Co) 05328 4 AWG Battery Lug 5/16 Inch Stud

Manufacturer

Wire (east Penn Mfg Co)

<h3>About East Penn Manufacturing Wire &amp; Cable Products</h3><p>Founded in 1946, <strong>East Penn Manufacturing Co.</strong> has grown from a small, single-room operation into one of the most respected names in American manufacturing. The Lyon Station, Pennsylvania-based company remains privately held and family-owned — a distinction that has shaped its culture of precision, reinvestment, and long-term quality. While East Penn is perhaps best known as the world's largest single-site lead-acid battery manufacturer, its Wire &amp; Cable division stands on equally impressive footing: <a href="/7654-wire-east-penn-mfg-co-primary-wire-10128">primary wire</a>, battery accessories, and electrical components that serve automotive, marine, commercial, RV, lawn &amp; garden, and trailer applications.</p><h3>North America's Largest Wire &amp; Cable Provider</h3><p>East Penn's wire and cable operation is housed in a 250,000-square-foot, ISO 9001:2015-certified facility — one of the most advanced of its kind in the industry. The company is vertically integrated, managing every step of the process from raw copper rod to finished product, which gives it tight control over quality and lead times that few competitors can match. That hands-on approach means every spool of wire and every <a href="/7654-wire-east-penn-mfg-co-battery-terminal-10091">battery terminal</a> leaving the facility meets rigorous standards before it ever reaches a technician's workbench.</p><p>East Penn's primary wire lineup spans 80°C general-purpose thermoplastic-insulated wire, 105°C high-heat wire, and cross-linked polyethylene (GXL and SXL) variants engineered to handle demanding under-hood environments. These wires are designed for point-to-point, low-voltage wiring across trucks, trailers, boats, and automotive platforms alike — built with full-gauge copper conductors and smooth, oil- and acid-resistant PVC jackets that route cleanly through loom or conduit.</p><h3>Battery Terminals &amp; Terminal Protection</h3><p>East Penn's battery accessories division is the natural complement to its wire line. Cast terminals are produced using a gravity lead-casting process with 100% recycled lead from the company's on-site, EPA-permitted smelter — a fully circular manufacturing approach that is both environmentally responsible and technically superior. Lead remains the premium material for battery cable terminals due to its excellent current-carrying capacity, malleability, and resistance to corrosion.</p><p>Protecting those connections is equally important, and East Penn's <a href="/7654-wire-east-penn-mfg-co-battery-terminal-protector-10092">battery terminal protectors</a> are purpose-built to extend the life of electrical connections by shielding terminals from moisture, acid vapor, and corrosive buildup — common enemies of reliable starting power. Together, East Penn's terminals and protectors form a complete connection solution that keeps vehicles and equipment running at peak electrical efficiency.</p><h3>Trusted Across Industries</h3><p>Whether you're wiring a trailer, servicing a fleet vehicle, restoring a classic car, or rigging a marine vessel, East Penn's wire and cable products are engineered to perform. The brand's commitment to domestic manufacturing, quality certifications, and vertically integrated production has earned it recognition across automotive OE, aftermarket, marine, and commercial channels. With over 75 years of experience and a product line that spans hundreds of configurations, East Penn remains a go-to source for professionals and DIYers who demand reliability from every connection.</p>

Part Number

05328
06/01/2036 3:59 AM
Sale Price

$36.42

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The East Penn 05328 is a heavy-duty battery terminal lug designed for secure electrical connections in automotive, marine, and powersports applications. This lug accommodates 4 AWG (gauge) battery cable and features a 5/16 inch stud hole for secure mounting to battery terminals, starter motors, alternators, and other high-current electrical components.

Key Features:

  • 4 AWG wire capacity for high-current applications
  • 5/16 inch stud hole diameter for standard battery post connections
  • Durable construction ensures reliable electrical conductivity
  • Copper or tin-plated copper construction resists corrosion
  • Crimped connection provides secure wire termination

This battery lug is ideal for building custom battery cables, repairing damaged cables, or upgrading electrical systems. The 4 gauge wire size is commonly used for primary battery cables, inverter connections, and other high-amperage applications requiring reliable power transfer.

You had what I needed! It came on time and was what I expected.

Quick, Fast and Simple

Nice job. Not to complicated.

Quick easy hopefully shipping good

****Excellent service and product value....

Awesome

quick and easy.

You guys never disappoint

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