Seachoice 63033 4 AWG Marine Grade Cable, Red, 4 Ft.
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Seachoice 4 AWG red marine battery cable (4 ft.) is built for reliable power connections in harsh marine environments. Featuring premium UL1426 tinned copper construction, flame- and UV-resistant jacketing, and adhesive-lined, 3:1 heatshrink over each connection for added moisture protection and strain relief.
Key Features
- 4 AWG marine-grade battery cable (red jacket for positive terminal identification)
- 4 ft. length
- Premium UL1426 tinned copper battery cable for corrosion resistance
- Fine-stranded construction for improved flexibility and conductivity
- Flame- and UV-resistant jacket
- Rated to 600 volts and 105°C / 221°F
- Tinned copper lugs help resist corrosion
- Adhesive-lined 3:1 heatshrink tubing on each end seals the electrical connection and helps provide strain relief
- Fits up to a 3/8" stud
- Manufacturer part number: 50-63033
Product Compatibility
- Marine battery wiring and power connections
- Positive (+) battery cable runs where a red jacket/positive-identification is desired
- Replacing or extending 4 AWG battery cable assemblies on boats and other marine craft
Product Details
- • Seachoice manufacturer part number: 50-63033 (SKU: 50-63033)
- • Cable type: Marine grade battery cable assembly
- • Wire gauge: 4 AWG
- • Cable length: 4 ft.
- • Color: Red
- • Conductor: Tinned copper battery cable (premium UL1426)
- • Cable diameter: 0.204-In. / 5.19mm
- • Heatshrink: Adhesive-lined 3:1 heatshrink tubing on each end
- • Ratings: 600 volts; 105°C / 221°F
- • Jacket characteristics: Flame- and UV-resistant
- • Lug/cable corrosion resistance: Tinned copper lugs resist corrosion
- • Terminal fitment: Fits up to a 3/8" stud
Parts Desk Insights
Best Use Case: Best for replacing worn or corrosion-prone marine battery cable runs—especially when you need a 4 AWG red (+) assembly with sealed connection protection for wet, vibration-prone conditions.
Common Issues: Common issues with battery cables include corrosion at the lugs/connection points and cracked or unsealed heatshrink. During installation, verify the mating surfaces are clean and consider replacing any related ring terminals, hardware, or gaskets if the connection has already been compromised; confirm the stud size is compatible (up to 3/8").
Related Products & Accessories
- Browse Electrical & Accessories - Find matching battery connectors, ring terminals, heatshrink, and other wiring accessories.
- Browse Wiring & Connections - Shop for marine wire and cable assemblies for boat battery and electrical systems.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.