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Wholesales Price
Sold By:
Globalsourcewd
California - USA
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You Are Buying
Brand: SUMO
After Market High Premium Quality
Electrical Connector
(Pigtail Wiring Harness)
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Description
Knock Sensor Connector
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Part# 
EC1123
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Cross-Reference
KS152
12567711 
24577244
24577544
========
Specifications
Category Electrical Connector
Connector Gender Male
Connector Quantity 1
Terminal Gender Female
Terminal Quantity 2
Terminal Type Blade Socket
Wire Quantity 2
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Fits:
CHEVROLET ASTRA 2001-2003
CHEVROLET CAVALIER 1999-2005
CHEVROLET CLASSIC 2004-2005
CHEVROLET COBALT 2005-2007
CHEVROLET HHR 2006
CHEVROLET MALIBU 1999-2006
CHEVROLET VECTRA 2003
CHEVROLET ZAFIRA 2002-2006
OLDSMOBILE ALERO 1999-2004
PONTIAC G4 2005-2006
PONTIAC G6 2006
PONTIAC GRAND AM 1999-2005
PONTIAC SUNFIRE 1999-2005
SATURN ION 2003-2007
SATURN L SEDAN 2001-2003
SATURN L300 2004
SATURN LS SEDAN 2000
SATURN LW WAGON 2000-2003
SATURN VUE 2002-2006
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🔵 © ISUMO® More Than a Brand — It’s Quality.

Knock Sensor Electrical Connector
Pigtail Wiring Harness
Quantity: 1 Connector

🔵 DESCRIPTION
• Replacement electrical connector / pigtail wiring harness for the Knock Sensor.
• Designed to replace a damaged, brittle, corroded, melted, or missing original connector.
• Helps restore a secure electrical connection between the vehicle wiring harness and the knock sensor.

🔵 FUNCTIONS
• Carries the knock sensor signal to the engine control module (ECM/PCM).
• Helps the engine computer detect abnormal combustion or engine knock.
• Supports proper ignition timing adjustment.
• Helps maintain engine performance, drivability, and efficiency.

🔵 COMMON ERROR CODES
• P0324 – Knock Control System Error.
• P0325 – Knock Sensor Circuit Malfunction.
• P0326 – Knock Sensor Range / Performance.
• P0327 – Knock Sensor Circuit Low Input.
• P0328 – Knock Sensor Circuit High Input.

🔵 COMMON SYMPTOMS
• Check Engine Light illuminated.
• Engine pinging or knocking.
• Reduced engine performance.
• Poor acceleration.
• Poor fuel economy.
• Intermittent knock sensor signal.
• Loose, corroded, or damaged electrical connection at the knock sensor.

🔵 BENEFITS
• Helps restore reliable electrical connection to the knock sensor.
• Useful when the original connector housing or terminals are damaged.
• Supports proper knock detection and ignition timing control.
• Helps avoid replacement of a larger wiring harness when only the connector is damaged.

🔵 PACKAGE INCLUDES
• 1 × Knock Sensor Electrical Connector / Pigtail Wiring Harness.

🔵 IMPORTANT NOTES
• Professional installation is recommended.
• Match each wire to the correct vehicle circuit during installation.
• Wire colors may vary from the original vehicle harness.
• This listing is for the electrical connector only; knock sensor is not included.

🔵 © ISUMO® Registered Trademark. All Rights Reserved.
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Returns & Warranty Policy

30-Day Returns

Returns are accepted within 30 days of the purchase date, in line with our eBay return policy.

Warranty After 30 Days

  • ISUMO® parts: 30-day returns, plus warranty replacement up to 90 days from the purchase date (exchange for the same item).
  • Other brands: after the 30-day return period, the part is covered by its manufacturer's warranty. Warranty terms differ by brand, so please check the manufacturer's website or contact them directly.
  • For warranty replacements, the buyer is responsible for return shipping and the cost of shipping the replacement.
  • Proof of purchase date is required.
  • Please message us before sending an item back so we can confirm the shipping cost.

What the Warranty Covers

Failures caused by defects in materials or manufacturing. It does not cover normal wear and tear, cosmetic damage, or improper installation.

Any alteration, modification or tampering with the item voids the warranty and the right to return it. Altered items are not eligible for any credit.

Before You Return an Item

  • Please message us first, before sending the item back or opening a return request, with a clear description of the issue and photos showing the problem.
  • Please allow us up to a maximum of 2 business days to respond. Most of the time we reply much sooner, and every message is answered by a real person on our team, not a bot. Our business hours are Monday to Friday, 10:00 AM – 5:00 PM Pacific Time (PST).

Local Pickup

If you chose local pickup, please wait for our email or eBay message confirming that your order is ready for pickup before coming in. Pickup is available during business hours, Monday to Friday, 10:00 AM – 5:00 PM (PST).

Return Condition

Items must be returned in their original packaging and in good condition. Please include a dated photo of the item when you ship it back.

Please double-check that you are returning the same brand-new part we sent you. When replacing a part, it is easy to mix up our new part with the old one removed from your vehicle. Returned items are inspected and matched to our part, so old, used or different parts returned in place of ours are not eligible for any credit or refund.

Questions? Message us through eBay. We're happy to help.