5.9|6.7 Cummins 1/0GA Battery Cable Kit Big7Kits

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NOTE: Some 06-09 will have a 90* connection at the starter, some will have a straight connection.

We teamed up with the best diesel shop in town—and their top mechanic—to develop this premium upgraded battery cable kit for your Dodge Cummins-powered 2500 or 3500. Designed to replace your old, worn-out factory cables, this kit delivers more power, stronger performance, and faster starts, even in harsh conditions. When the factory built your original cables, longevity wasn’t the goal—but ours are engineered to outlast your truck.

Here’s why our cables make a difference:

Solve cold-weather struggles: If your truck is slow to start when the temperature drops, the culprit is likely corrosion or degraded factory wiring restricting current to your starter.

Restore lost performance: Years of exposure—or previous owners’ questionable wiring—can rob your electrical system of efficiency and reliability. Our cables eliminate these weak points and restore full power flow.

Superior construction: We use only fine-strand, SAE-approved, pure copper cable—never cheap CCA (copper-clad aluminum). Each cable end is electromechanically crimped with solid copper terminals, then sealed with marine-grade, MIL-I-23053/4 heat shrink for complete environmental protection.

Ready-to-install design: Every connection is clearly labeled for easy installation and includes military-style corrosion-resistant battery terminals, plus an ANL fuse and holder for enhanced system safety.

No alternator upgrade needed: Our “better-than-factory” cables work with your stock setup. Customers consistently report faster starts, stronger charging performance, and the elimination of persistent electrical issues caused by aging or corroded wiring.

Whether you’re restoring factory reliability or building for future upgrades, our battery cable kit is the smart investment in your truck’s electrical health. For gauge selection: 1/0 GA is ideal for stock setups, while 2/0 GA is perfect for those adding accessories like winches or lights, facing extreme cold, or wanting to future-proof their system. Upgrade once—and experience power and performance that truly last.

Kit Includes:

Battery Negative to Fender Grounds (4GA)

Battery Negative to Engine Block Grounds (1/0 or 2/0 depending on kit)

Battery Negative Frame Grounds (4GA)

Alternator Lead (2GA)

Battery Positive to Starter (1/0 or 2/0 depending on kit)

Battery Positive Crossover Cable (1/0 or 2/0 depending on kit)

Battery Positive to PDC (Fuse and Relay box) (4GA)

Fuse block with additional fuses

2 sets of military-style battery terminals

NOTE: Some 06-09 will have a 90* connection at the starter, some will have a straight connection.

We teamed up with the best diesel shop in town—and their top mechanic—to develop this premium upgraded battery cable kit for your Dodge Cummins-powered 2500 or 3500. Designed to replace your old, worn-out factory cables, this kit delivers more power, stronger performance, and faster starts, even in harsh conditions. When the factory built your original cables, longevity wasn’t the goal—but ours are engineered to outlast your truck.

Here’s why our cables make a difference:

Solve cold-weather struggles: If your truck is slow to start when the temperature drops, the culprit is likely corrosion or degraded factory wiring restricting current to your starter.

Restore lost performance: Years of exposure—or previous owners’ questionable wiring—can rob your electrical system of efficiency and reliability. Our cables eliminate these weak points and restore full power flow.

Superior construction: We use only fine-strand, SAE-approved, pure copper cable—never cheap CCA (copper-clad aluminum). Each cable end is electromech[...]