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The NOCO MC303 NCP2 Battery Terminal Protectors offer a fast and effective way to guard your battery posts from corrosion, acid vapor damage, and oxidation. Each fiber washer is pre-saturated with NOCO'sproven NCP2 compound, delivering long-lasting protection in any battery-powered system. Simply install under the terminal clamps for instant, mess-free corrosion resistance.
Perfect for use in cars, trucks, boats, RVs, and fleet vehicles, these fiber washers maintain terminal integrity by sealing out moisture and acid residue. Color-coded red and green for quick polarity identification, they make.
maintenance easier while reducing the chance of reverse connection. Their compact design fits most standard battery terminals without interfering with clamps or cables.
Prevents battery terminal corrosion caused by acid fumes
Includes red (positive) and green (negative) washers for polarity ID
Saturated with NOCO's long-lasting NCP2 corrosion preventative
Enhances electrical conductivity and battery reliability
Quick, tool-free installation under terminal clamps
Ideal for automotive, marine, RV, powersport, and industrial use
Engineered for harsh environments and extended use, the MC303 protectors are resistant to drying, hardening, and melting. Whether you're maintaining seasonal equipment or a daily-use vehicle, these protectors are the easiest step toward longer battery life and fewer electrical issues.
2-pack terminal protectors (1 red, 1 green)
Pre-saturated with NOCO NCP2 corrosion preventative
Protects battery posts from corrosion and oxidation
Helps maintain electrical conductivity
Installs under terminal clamps - no tools required
Compatible with most automotive, marine, and RV batteries
| Specification | Details |
|---|---|
| Model Number | MC303 |
| Product Type | Battery Terminal Protectors |
| Contents | 2 Protectors (1 red, 1 green) |
| Material | Non-woven, acid-resistant fiber |
| Pre-Treated With | NOCO NCP2 Corrosion Preventative |
| Outer Diameter | 1.25 in (≈ 31.75 mm) |
| Inner Diameter | 0.5 in (≈ 12.7 mm) |
| Installation | Tool-free; fits under battery terminal clamps |
| Function | Corrosion prevention, polarity ID |
| Temperature Range | -40 °F to 250 °F (-40 °C to 121 °C) |
| Compatible Systems | Automotive, marine, RV, powersport, industrial |
| Made In | USA |

All packages are shipped same day if the order is placed before 3PM CST
We use UPS/FedEx to ship the packages with different service levels offered by UPS/FedEx
Overnight Shipping take 1 business day
Expedited Shipping take about 2-3 business days
Ground shipping take about 3-5 business days
You can select the desired service level at Checkout and we will make sure the package is shipped as per the selected service level.
We Accept
i) PayPal
ii) All Credit & Debit Cards
iii) Purchase Orders
iv) Check
v) Bank Transfer/ACH/Wire Transfer
To process the order through Paypal/CC, you can simply checkout and process the payment.
If you want to issue us Purchase Order/Check/Bank Transfer, Please contact us at the following details
Call: 469.458.9636
Email: sales@dcsupplies.net
If you have any queries, please contact us at the following details and we will be happy to help
Call
469.458.9636
469.458.9638
Email
sales@dcsupplies.net