234-4045 Denso Oxygen Sensor OE-Replacement
234-4045 Denso Oxygen Sensor OE-Replacement
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234-4045 Denso Oxygen Sensor OE-Replacement
The 234-4045 Denso Oxygen Sensor is an essential component that plays a pivotal role in your vehicle's engine performance and emission control system. Crafted as an OE-replacement part, it is engineered to ensure optimal monitoring of the air-fuel mixture under various driving conditions. This leads to maximized engine efficiency while significantly reducing harmful emissions.
Main Features:
- Corrosion-Resistant Stainless Steel Construction: Guarantees durability and longevity, even in the most challenging conditions.
- Porous PTFE Filter: Allows atmospheric oxygen in while effectively preventing water and contaminants from entering.
- Refined Zirconia Element: Enhances sensor response for precise and accurate readings.
- Robotic Laser Weld: Provides double protection cover to maintain proper temperature and safeguard the ceramic element.
- Stainless Steel Housing: Resists corrosion and contamination, ensuring dependable performance.
- Aluminum-Oxide Trap Layer: An exclusive design that prevents damage to the platinum electrode.
Benefits:
- Maximizes Engine Performance: Helps optimize fuel consumption and boosts overall engine efficiency.
- Ensures Smog Test Compliance: Meets stringent emissions standards, contributing to environmental sustainability.
- Easy Installation: The OE-replacement design allows for seamless installation and compatibility with your vehicle.
- 90-Day Limited Warranty: Offers assurance and peace of mind with your purchase.
Specifications:
- Type: Heated
- Connector Style: 4 Wire
- Voltage Range: OEM
- Includes Adapter Fittings: No
- Includes Weather Pack Harness: Yes
- Includes Weld Fitting: No
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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.

