ARC Lighting Polarity Reversible Contact Points Turn Signal Light Bulb 3373A - Eco Series Bus Ready 7440 7443
ARC Lighting Polarity Reversible Contact Points Turn Signal Light Bulb 3373A - Eco Series Bus Ready 7440 7443
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ARC Lighting 3373A Polarity reversible contact points
Perfect for interior dome lights, license plate lights, and anywhere on your vehicle. These bulbs have a built-in CANBUS integration circuit to work with any vehicle. If your car uses a CAN-BUS monitoring and control system for your original festoon bulbs, these will be a plug and play replacement install.
Features & Benefits
- High power can bus ready
- No hyper flashing for turn signals
- Compact size similar to stock bulb to ensure there are no fitment or clearance issues
- Polarity reversible contact points
- Limited 2 year warranty
Specifications
| Model | Polarity reversible contact points |
| Product Type | High power can bus ready |
| Weight | 1 lb |
| Dimensions | 11.5 x 6 x 2 in |
| Brand | ARC Lighting |
| Manufacturer Part Number | 3373A |
| UPC | 793888991682 |
Frequently Asked Questions
How do I verify fitment before ordering?
Compare manufacturer part number 3373A against your existing part and your vehicle or equipment. Contact us with your make, model, and year if you need help confirming compatibility.
What stands out about this high power can bus ready?
Key details include no hyper flashing for turn signals. Review the full feature list and specifications on this page for complete details.
How much does this product weigh?
This item weighs approximately 1 lb.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

