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Quick Cable 4/0 Gauge MagnaLugs Starter/Ground Battery Lugs 1/2″ (13mm) Stud (6440-2100-003H)

$21.39

Power your heavy-duty vehicles, equipment, and industrial systems with unbreakable starter and ground connections using Quick Cable 4/0 Gauge MagnaLugs. These premium battery lugs deliver maximum conductivity, superior strength, and long-lasting corrosion resistance—perfect for DIY cable builds, fleet maintenance, truck upgrades, and commercial applications where failure is not an option.

  • Heavy-wall 100% copper construction is 80% thicker than standard lugs for unmatched durability under vibration and high current
  • Tin-plated finish provides solid conductivity and resists corrosion in harsh environments
  • Wide, thick pad design ensures superior electrical contact and mechanical strength for reliable high-amperage performance
  • Precision-engineered for 4/0 gauge cable and 1/2″ (13mm) studs—ideal for starter and ground connections
  • Exceeds strict SAE J163 and J1811 conductivity standards and is UL Listed for professional-grade use
  • Easy crimp installation with standard battery terminal tools; made in the USA for trusted quality
  • Pack of 5 MagnaLugs gives you everything needed for multiple custom battery cable projects or repairs
  • Built for real-world use in trucks, buses, construction machinery, farm equipment, RVs, and industrial fleets

Whether you’re a weekend warrior building custom battery cables or a commercial operator keeping fleets running, these Quick Cable MagnaLugs are the heavy-duty choice that professionals trust for dependable power every time.

36 in stock

Online Order Disclaimer

Local Pickup & Delivery Orders are only available within a 25-mile radius of your local Battery Joe location.

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Ship-to-Home:

Please note that ship-to-home options are unavailable for automotive, commercial, golf cart, industrial, and marine/RV batteries to ensure safe and compliant handling. However, you can still enjoy convenient local delivery or in-store pickup for online orders in these essential battery categories. In addition, we do not ship to Alaska or Hawaii at this time. 

Battery Joe’s ship-to-home policy provides convenient delivery options to customers throughout all 48 contiguous states in the Continental United States.

Local Pickup:

Orders placed during business hours are typically ready within one hour and available for pickup up to 30-minutes before closing.

If your order is placed within the last hour of business, please call the store after placing your order to confirm it can be prepared in time.

Orders placed after hours will be ready for pickup the next business day.

Local Delivery:

Delivery times may vary based on order volume and location.

Orders placed within one hour of closing will be delivered the next business day.

Description

Specification Value
Brand Quick Cable
Gauge 4/0 AWG
Stud Hole Size 1/2″ (13mm)
Material 100% Tin-Plated Copper
Type Straight MagnaLug (Starter/Ground)
Wall Thickness Heavy Wall (80% thicker than standard)
Pad Design Wide & thick for superior contact
Standards SAE J163, SAE J1811, UL Listed
Pack Quantity 5
Dimensions (per lug) 2.57″ L x 1.13″ W x 0.80″ H
Weight (pack) 1 lb
Country of Origin USA

“Starter/Ground MagnaLugs 1/2″” (13mm) 4/0 Gauge” “Starter/Ground MagnaLugs 1/2″” (13mm) 4/0 Gauge”

Additional information

Weight 1 lbs
Dimensions 3 × 2 × 1 in
UPC

*173780382380*

Additional Description 2

"Starter/Ground MagnaLugs 1/2"" (13mm) 4/0 Gauge"

Additional Description 1

"Starter/Ground MagnaLugs 1/2"" (13mm) 4/0 Gauge"

Category Code

ACCESSORIE

Internal ID

55113

Sub Category Code

QUICK_CBL

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