20 FT 4 Gauge 500 AMP Booster Cable Set
K2 Industries
20 FT 4 Gauge 500 AMP Booster Cable Set
Check fitment before ordering
Match the year, make, model, trim and engine in the product details. Review mounting requirements and vehicle modifications. Ask us about this part.
Eligible returns within 30 days of receipt. Items must be unused, with tags and original packaging. Contact Lee Mods before sending anything back. Lee Mods pays return shipping for eligible U.S. returns; no restocking fee. See Returns & Exchanges for full conditions.
20 FT 4 Gauge 500 AMP Booster Cable Set
Heavy-duty booster cables rated for 500 amps and built to handle serious jump-starting demands. The 4 gauge copper wire delivers maximum current flow with minimal voltage drop, while the 20-foot length gives you reach in tight engine bays or dual-battery setups. Insulated clamps grip terminals securely without slipping mid-jump.
Key Features
- 4 Gauge Copper Wire - Lower resistance means faster current delivery and less heat buildup during extended cranking.
- Insulated Clamps - Rubberized grip prevents accidental terminal contact and protects battery posts from corrosion during connection.
- 500 AMP Capacity - Rated for everything from light-duty engines to trucks and equipment with high cold-cranking-amp demands.
Specs
- Gauge: 4
- Length: 20 feet
- AMP Rating: 500
- Wire Type: Copper
What's Included
- Booster cable set (pair)
Frequently Asked Questions
Will these cables work with my truck's dual-battery setup?
Yes. The 20-foot length and 500-amp rating make them ideal for vehicles with batteries spread across the engine bay or mounted remotely. Test your actual run length before your first jump to confirm clearance from hot engine surfaces.
Do I need to do anything to the clamps before using them?
Just inspect them for corrosion or debris before connecting. If your battery terminals are heavily corroded, clean them off first — this improves contact and reduces resistance during the jump.
Can these handle repeated use without wearing out?
Copper wire and quality clamps hold up well across multiple jump cycles. Store them coiled loosely in a dry space to avoid kinks that can crack the insulation. Check clamps for tightness every season.
Your vehicle
Select a vehicle to check the supplied application records for this part.
Choose or change vehicle →Product reference & ordering help
Supplier & part identification
K2 Industries
| Option | SKU / part reference |
|---|---|
| Standard | K2-2846-UNV-006-TSARK |
Vehicle compatibility
Read the application years, model, trim, engine and exclusions in the description above. A make-level collection or product recommendation alone does not confirm fitment.
Request fitment help →Installation & specifications
Review the manufacturer’s specifications and installation notes above. Confirm required mounting hardware, tools and modifications before ordering. If instructions are not supplied, contact us with the part reference.
Shipping expectations
Processing and delivery vary by product, supplier and destination. Contact us to confirm timing for your part before planning an installation.
Shipping & delivery informationManufacturer warranty
Coverage and exclusions vary by manufacturer and part. Review the supplied product documentation or ask us for the applicable terms.
Warranty information