Denso Minimum-Quench Electrode Design Spark Plug 4503
Denso Minimum-Quench Electrode Design Spark Plug 4503
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Denso 4503 Minimum-Quench Electrode Design
The Platinum TT® concept originated from DENSO’s latest original equipment spark plug technology, the Super Ignition Plug (SIP). Until recently, this OE iridium Twin-Tip design could only be found in the most technologically advanced automobiles. But now DENSO is offering this cutting-edge technology in a brand new platinum/titanium design customized for today’s value-minded automotive enthusiasts. DENSO pioneered the use of platinum in spark plug manufacturing. To maximize the longevity and enhance the durability of the spark plug, DENSO applied platinum to both the center and ground electrodes. Platinum offers superior resistance to erosion and corrosion enabling DENSO to create a spark plug capable of consistent performance.
Features & Benefits
- 1.1 millimeter platinum center electrode
- Titanium-enhanced alloy ground electrode
- Minimum-Quench Electrode Design
- Improved fuel economy and faster starts
- Enhanced flame propagation for increased engine efficiency
- Free standing firing pad reduces quenching to generate a more powerful spark
- Machine rolled threads prevent seizing or cross threading during installation and removal
- 100 percent pre-fired to assure the highest quality possible
- Purified alumina powder insulator provides exceptional strength and thermal conductivity
- Limited 1 year warranty
Specifications
| Model | Minimum-Quench Electrode Design |
| Product Type | 1.1 millimeter platinum center electrode |
| Color | Titanium |
| Weight | 0.2 lb |
| Dimensions | 4 x 2 x 1 in |
| Brand | Denso |
| Manufacturer Part Number | 4503 |
| UPC | 042511045033 |
Frequently Asked Questions
How do I verify fitment before ordering?
Compare manufacturer part number 4503 against your existing part and your vehicle or equipment. Contact us with your make, model, and year if you need help confirming compatibility.
What color is this 1.1 millimeter platinum center electrode?
This is the Titanium variant of the Minimum-Quench Electrode Design from Denso.
What stands out about this 1.1 millimeter platinum center electrode?
Key details include improved fuel economy and faster starts. Review the full feature list and specifications on this page for complete details.
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.
