Also known as: Connector of Knock (Detonation) Sensor KS203 Fits: Honda Civic 2003-2005 L4 1.3L
Upgrade your Honda Civic 2003-2005 L4 1.3L with this Brand New Knock Sensor (KS) Connector Pigtail from Alphalink Auto Parts, your trusted California USA auto parts supplier. This direct-fit electrical connector is engineered to restore proper communication between your Knock Sensor (KS203) and your vehicle's engine control module (ECM). The Knock Sensor detects engine detonation and pinging, allowing your engine to optimize ignition timing for peak performance and fuel efficiency. Our premium connector features corrosion-resistant terminals and OEM-quality construction to ensure reliable long-term performance. Backed by our 5 Year Warranty, this connector guarantees peace of mind with every purchase. Perfect for mechanics and DIY enthusiasts, this part eliminates rough idle, hesitation, and poor fuel economy caused by faulty sensor connections. All Alphalink products are sold in California USA and comply with Proposition 65. Don't let a bad connector compromise your engine's performance—order your Knock Sensor Connector Pigtail today and experience the Alphalink difference.
Key Features:
- Direct-fit connector for OEM knock sensor integration
- Corrosion-resistant terminals ensure long-lasting durability
- Simple plug-and-play installation—no special tools required
- Backed by 5 Year Warranty for complete peace of mind
Functions:
- Transmits Knock Sensor (KS) detonation detection signals to engine control module (ECM)
- Enables engine to adjust ignition timing to prevent engine pinging and detonation
- Maintains proper electrical connection for real-time knock detection
- Supports fuel efficiency optimization through accurate sensor communication
Symptoms of Failure:
- Engine pinging or knocking sound during acceleration with faulty Knock Sensor (KS) connection
- Check Engine Light illumination due to Knock Sensor circuit failure
- Rough idle and hesitation caused by improper Knock Sensor signal transmission
- Reduced fuel economy from incorrect ignition timing adjustment
- Loss of engine performance and power delivery
- Difficulty starting or stalling related to sensor connector corrosion
Benefits of Replacement:
- Restores accurate Knock Sensor (KS) detonation detection for optimal engine performance
- Eliminates engine pinging and knocking through proper sensor signal transmission
- Improves fuel efficiency by enabling precise ignition timing control
- Resolves Check Engine Light codes related to Knock Sensor circuit malfunction
- Extends engine longevity by preventing damage from uncontrolled detonation
Technical Specifications:
- Part Type: Electrical Connector / Pigtail
- Condition: Brand New
- What's Included: 1x Connector Pigtail Only
- Placement: Engine Bay
- Brand: Unbranded
- Country of Manufacture: China
- Warranty: 5 Years
- Location: California, USA
- Part Number: KS203
- Cross-Reference: GT7610-40, 30530PWA004, 30530PWA014, 60602832, KNE03
Vehicle Compatibility:
Acura
- 2003-2005 | Civic
Important Notes:
- Product Variation: Sensor/connector colors vary by supply chain. Performance is unaffected.
- Shipping Address: Verify address accuracy. Return costs deducted for insufficient addresses.
- Warranty: Refer to the Warranty tab for full coverage details.
- Fitment Verification: Please use the Compatibility tool at the top of the listing to confirm fitment for your specific Year, Make, and Model.
We offer a 30-day return policy for unused items in original, uninstalled condition. Buyer is responsible for return shipping unless the item is defective. Verified addresses only.
At Alphalink Auto Parts, we stand behind our components. This product is backed by an exclusive replacement warranty for 5 years from the purchase date.
Manufacturing defects in materials or workmanship. If the part fails under normal use, we provide a one-time brand-new replacement part shipped from our CA warehouse.
Contact us via eBay messages with your Order ID. Once verified, we ship your replacement at no cost to you.
Exchange-only. Refunds are not provided under the 5-year warranty period. Warranty does not cover labor costs or damage from improper installation.
Based in California, Alphalink Auto Parts is a proud US-based business dedicated to providing professional-grade automotive components. Built on trust and excellence, we specialize in high-quality pigtail connectors, sensors, and electrical parts designed to keep your vehicle moving with confidence. Thank you for supporting our community!