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SKU: 1EC130
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- Description
- Fitment
- Warranty and Refund
- Reviews
The Motorad 1EC130 Knock Sensor Harness connects your engine's knock sensors to the ECM, delivering accurate detonation feedback so ignition timing stays optimized. Built with high-quality OEM-style materials, this harness is engineered to meet or exceed original equipment specifications for fit, form, and function—giving you confidence it will perform like the part it replaces. Motorad puts every sensor and harness through extensive testing, including salt spray, thermal cycling, vibration, and drop testing, to verify durability under real-world conditions before it reaches your engine bay. This harness fits a wide range of GM V8 and V6 applications from 1998-2003, including Cadillac Escalade, Chevrolet Silverado, Avalanche, Camaro, Corvette, Express, and GMC counterparts. Backed by Motorad's Limited Lifetime warranty, the 1EC130 is a straightforward, reliable way to restore proper knock sensor communication without guessing on compatibility or cutting corners on quality.
Features
- Designed to meet or exceed OEM fit, form, and function for reliable knock sensor signal transmission
- Tested through salt spray, thermal cycling, vibration, and drop testing for confirmed durability
- Manufactured with OEM-quality materials to support consistent, rugged long-term performance
- Covers a wide range of 1998-2003 GM V8 and V6 engine applications for broad shop compatibility
- Backed by Motorad's Limited Lifetime warranty for added purchase confidence
Application Summary
1998-2002 Chevrolet Camaro 3.8L 3800CC 231CID V6 OHV 12 Valve Naturally Aspirated GAS1998-2002 Pontiac Firebird 3.8L 3800CC 231CID V6 OHV 12 Valve Naturally Aspirated GAS
1998-2004 Chevrolet Corvette 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1999-2000 Chevrolet Silverado 2500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
1999-2000 GMC Sierra 2500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
1999-2001 Chevrolet Silverado 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
1999-2001, 2003-2004 GMC Sierra 2500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
1999-2001, 2005 GMC Sierra 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
1999-2002, 2004 Chevrolet Silverado 1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
1999-2002, 2004 Chevrolet Silverado 1500 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated GAS
1999-2004 Chevrolet Silverado 2500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
1999-2006 GMC Sierra 1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
1999-2006 GMC Sierra 1500 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated GAS
2000-2001 Chevrolet C1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
2000-2001, 2003-2004, 2006 GMC Yukon 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2000-2001, 2003-2006 Chevrolet Tahoe 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2000-2001, 2004-2006 Chevrolet Suburban 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2000-2006 Chevrolet Suburban 2500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2000-2006 Chevrolet Tahoe 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated GAS
2000-2006 GMC Yukon 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated GAS
2000-2006 GMC Yukon XL 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2000-2006 GMC Yukon XL 2500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2001, 2006 Chevrolet Silverado 2500 HD 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2001, 2006 GMC Sierra 2500 HD 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2001-2003, 2005-2006 Chevrolet Silverado 1500 HD 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2001-2003, 2005-2006 Chevrolet Silverado 3500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2001-2003, 2005-2006 GMC Sierra 1500 HD 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2001-2003, 2006 GMC Sierra 3500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2001-2006 Chevrolet Silverado 2500 HD 6.6L 6599CC 403CID V8 OHV 32 Valve Turbocharged DIESEL
2001-2006 Chevrolet Silverado 2500 HD 8.1L -CC 496CID V8 OHV 16 Valve Naturally Aspirated GAS
2001-2006 Chevrolet Silverado 3500 6.6L 6599CC 403CID V8 OHV 32 Valve Turbocharged DIESEL
2001-2006 Chevrolet Silverado 3500 8.1L -CC 496CID V8 OHV 16 Valve Naturally Aspirated GAS
2001-2006 Chevrolet Suburban 2500 8.1L -CC 496CID V8 OHV 16 Valve Naturally Aspirated GAS
2001-2006 GMC Sierra 2500 HD 6.6L 6599CC 403CID V8 OHV 32 Valve Turbocharged DIESEL
2001-2006 GMC Sierra 2500 HD 8.1L -CC 496CID V8 OHV 16 Valve Naturally Aspirated GAS
2001-2006 GMC Sierra 3500 6.6L 6599CC 403CID V8 OHV 32 Valve Turbocharged DIESEL
2001-2006 GMC Sierra 3500 8.1L -CC 496CID V8 OHV 16 Valve Naturally Aspirated GAS
2001-2006 GMC Yukon XL 2500 8.1L -CC 496CID V8 OHV 16 Valve Naturally Aspirated GAS
2002 Chevrolet Silverado 2500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated BI-FUEL
2002 Chevrolet Tahoe 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2002 GMC Sierra 2500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated CNG
2002, 2004 Chevrolet Silverado 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2002-2003, 2005-2006 GMC Yukon 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2002-2003, 2006 Chevrolet Suburban 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2002-2004 Chevrolet Avalanche 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2002-2004, 2006 GMC Sierra 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2002-2005 Cadillac Escalade 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2002-2005 Chevrolet Silverado 2500 HD 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated CNG
2002-2005 GMC Sierra 2500 HD 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated CNG
2002-2006 Cadillac Escalade 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2002-2006 Cadillac Escalade EXT 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2002-2006 Chevrolet Avalanche 2500 8.1L -CC 496CID V8 OHV 16 Valve Naturally Aspirated GAS
2002-2006 GMC Yukon XL 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2003, 2005-2006 Chevrolet Silverado 1500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2003-2004 Chevrolet SSR 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2003-2005 Chevrolet Express 2500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2003-2005 Chevrolet Express 2500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated CNG
2003-2005 Chevrolet Express 3500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated CNG
2003-2005 Chevrolet Trailblazer EXT 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2003-2005 GMC Envoy XL 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2003-2005 GMC Savana 2500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2003-2005 GMC Savana 2500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated CNG
2003-2005 GMC Savana 3500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated CNG
2003-2005, 2007 Chevrolet Express 3500 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated GAS
2003-2006 Cadillac Escalade ESV 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2003-2006 Chevrolet Express 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2003-2006 GMC Savana 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2003-2007 Chevrolet Express 2500 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated GAS
2003-2007 GMC Savana 2500 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated GAS
2003-2007 GMC Savana 3500 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated GAS
2003-2007 Hummer H2 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2004 Cadillac CTS 3.2L -CC 197CID V6 DOHC 24 Valve Naturally Aspirated GAS
2004 GMC Sierra 1500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2004 Pontiac GTO 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
2004-2005 Buick Rainier 4.2L -CC 256CID L6 DOHC 24 Valve Naturally Aspirated GAS
2004-2005 Buick Rainier 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2004-2005 Chevrolet Silverado 3500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated CNG
2004-2005 GMC Envoy XUV 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated GAS
2004-2005 GMC Sierra 3500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated CNG
2005 Cadillac CTS 2.8L 2792CC 170CID V6 DOHC 24 Valve Naturally Aspirated GAS
2005 Chevrolet SSR 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2005 GMC Envoy 4.2L -CC 256CID L6 DOHC 24 Valve Naturally Aspirated GAS
2005-2006 Chevrolet Avalanche 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2006-2007 Chevrolet Express 2500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2006-2007 Chevrolet Express 3500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2006-2007 GMC Savana 2500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2006-2007 GMC Savana 3500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2007 Chevrolet Express 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2007 Chevrolet Silverado 1500 Classic 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
2007 Chevrolet Silverado 1500 Classic 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated GAS
2007 Chevrolet Silverado 1500 Classic 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2007 Chevrolet Silverado 1500 HD Classic 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2007 Chevrolet Silverado 2500 HD Classic 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2007 Chevrolet Silverado 3500 Classic 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2007 GMC Savana 1500 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2007 GMC Sierra 1500 Classic 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
2007 GMC Sierra 1500 Classic 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated GAS
2007 GMC Sierra 1500 Classic 5.3L 5328CC 325CID V8 OHV 16 Valve Naturally Aspirated FLEX
2007 GMC Sierra 1500 HD Classic 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2007 GMC Sierra 2500 HD Classic 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2007 GMC Sierra 3500 Classic 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
Part Numbers: 1EC130
Specifications
- Brand: Motorad
- Part Number: 1EC130
- Part Type: Ignition Knock (Detonation) Sensor Harness
- UPC: 055644926599
- GTIN: 00055644926599
- Item Dimensions: 6.1000 x 4.3300 x 2.3600 IN
- Package Dimensions: 6.1000 x 4.3300 x 2.3600 IN
- Package Weight: 0.4100 PG
- Package Quantity: 1 EA
- End 1 Connector Shape: Round
- End 2 Connector Shape: Oval
- End 2 Terminal Quantity: 2
- End 1 Terminal Quantity: 1
- End 1 Terminal Type: Bullet
- End 2 Terminal Type: Blade
- End 1 Connector Quantity: 2
- End 2 Connector Quantity: 1
Interchange
- General Motors: 12597415
- General Motors: 12601822
- General Motors: 12575869
- General Motors: 15320926
- General Motors: 15372170
- Motorad: 1EC130
- Standard Motor Products: J72001
- Wells: 1P2069
- CARQUEST Sensors By WELLS: JAC1076
- Original Engine Management: PS42
- HOLSTEIN: 2KNC0025H
- Forecast: PS42
- Dorman: 917033
- NAPA TechExpert: TRH102
Warranty
- Warranty Type: Lifetime
- Warranty Description: Limited Lifetime
Returns
30-Day Money-Back Guarantee
We want you to be completely satisfied with your purchase! If you are not happy for any reason, you may return the item within 30 days for a refund, minus shipping fees, provided that: The part is brand new, uninstalled, and undamaged in any way.
To initiate a return, please contact us or email support@mizumoauto.com for a Return Authorization Number (RMA) and the return shipping address. Returns without an RMA number will be refused and returned to you at your expense.
Return Requirements:
- Items must be securely packed in the original manufacturer's packaging.
- All original materials must be included, such as hardware, manuals, protective caps, wrapping, and instructions.
- You must obtain and retain the tracking number for your return.
Non-Returnable Items:
- Piston rings, main bearings, and rod bearings are non-returnable if the manufacturer’s seal or shrink-wrapped plastic has been opened. No exceptions—this ensures the integrity of the parts you receive.
We are not responsible for lost or damaged returns. If your return is lost or damaged during shipping, a refund cannot be issued, as the item cannot be resold or returned to the supplier. Please file a claim directly with your shipping carrier for reimbursement.
Refunds are processed within 1-2 business days after we receive and inspect the returned item. Please allow this processing time before inquiring about your refund status.
Warranty
Mizumo Auto provides a 90-day Limited Warranty against defects in workmanship and materials under normal service conditions, effective from the original delivery date.
This warranty is non-transferable and applies only to the original purchaser. Coverage is limited to the replacement or refund of defective products.
Exclusions:
The warranty does not cover labor costs, damage resulting from accidents, misuse, alterations, or unauthorized modifications, as well as additional expenses such as towing, fluids, oils, car rentals, and any other parts not included in the original purchase.
Warranty Claims Process:
- All warranty claims must be pre-authorized and returned prepaid to Mizumo Auto for inspection and approval.
- No exchanges will be made for products that have been damaged, misused, or improperly installed. We strongly recommend professional installation.
- The buyer assumes all risk of damage resulting from improper installation.
All disputes related to transactions shall be resolved by a court of competent jurisdiction in Los Angeles County, California.
Shipping
We offer Free UPS Ground or USPS Ground Advantage shipping within the continental U.S. (48 states).
Shipping to Other Locations:
A delivery surcharge applies to shipments to: Alaska, Hawaii, Puerto Rico, U.S. territories, APO/FPO addresses, Canada, and international destinations.
Order Processing & Tracking:
- Orders are shipped Monday through Friday, excluding holidays.
- Orders placed before 3:00 PM PST will ship the same day, unless unexpected delays occur.
- A tracking number will be emailed within one business day after shipping.
If you do not receive a tracking number, please:
- Check your spam/junk folder.
- If it's not there, contact us via phone or eBay message for assistance.
International Orders:
Import duties, taxes, and brokerage fees are not included in the shipping fee. Please check with your shipping carrier and local customs office regarding any applicable fees before placing your order.