SKU: MMIG-LSSQ-9908 | UPC: 840197718254
Mishimoto 99-07 GM Square Style Engine Ignition Coil Set
This set of eight Mishimoto ignition coils replaces worn factory units on 1999-2007 GM vehicles with LS-series V8 engines including Silverado, Sierra, Tahoe, Yukon, Suburban, Avalanche, Escalade, and H2. Engineered to match GM OEM specifications, the coils provide consistent spark for faster starts, steady idle, and better fuel economy. Install them with new spark plugs to return your engine to factory performance levels as a base for further upgrades.
Key Features
- Direct-Fit Replacement: Bolt-on design fits square-style LS coils without modifications on 4.8L, 5.3L, 6.0L, 6.2L engines.
- OEM-Matched Performance: Tested to deliver reliable spark energy matching or exceeding GM standards for all cylinders.
- Durable Construction: Built with high-quality materials to resist heat and vibration for long-term reliability.
- Complete 8-Coil Set: Covers full V8 ignition needs, ensuring even power delivery across rough roads or daily driving.
- Lifetime Warranty: Mishimoto covers defects for the life of your vehicle ownership.
Product Notes
- Pair with new spark plugs to eliminate misfires and restore Stage 0 engine tune.
- Verify your LS engine uses square-style coils before purchase.
- Ships in protective packaging to prevent damage during transit.
Installation Notes
- Professional installation recommended.
- Direct plug-and-play swap. disconnect battery first and torque connectors to 4-5 Nm.
- Compatible with stock wiring harnesses and brackets. no adapters needed.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2006 | Cadillac | Escalade | Base |
| 2003-2006 | Cadillac | Escalade ESV | Base |
| 2002-2006 | Cadillac | Escalade EXT | Base |
| 2002-2006 | Chevrolet | Avalanche 1500 | Base |
| 2005-2006 | Chevrolet | Avalanche 1500 | LS |
| 2005-2006 | Chevrolet | Avalanche 1500 | LT |
| 2002-2003 | Chevrolet | Avalanche 1500 | North Face |
| 2002-2003 | Chevrolet | Avalanche 1500 | On Road Edition |
| 2003 | Chevrolet | Avalanche 1500 | WBH |
| 2004-2006 | Chevrolet | Avalanche 1500 | Z66 |
| 2002-2006 | Chevrolet | Avalanche 1500 | Z71 |
| 2003-2004 | Chevrolet | Avalanche 2500 | Base |
| 2005-2006 | Chevrolet | Avalanche 2500 | LS |
| 2005-2006 | Chevrolet | Avalanche 2500 | LT |
| 1999-2007 | Chevrolet | Silverado 1500 | Base |
| 2004-2006 | Chevrolet | Silverado 1500 | Hybrid |
| 1999-2007 | Chevrolet | Silverado 1500 | LS |
| 1999-2007 | Chevrolet | Silverado 1500 | LT |
| 2007 | Chevrolet | Silverado 1500 | LTZ |
| 2003-2006 | Chevrolet | Silverado 1500 | SS |
| 2002-2007 | Chevrolet | Silverado 1500 | WT |
| 2004-2005 | Chevrolet | Silverado 1500 | Z71 Off-Road |
| 2001-2007 | Chevrolet | Silverado 1500 HD | Base |
| 2001-2007 | Chevrolet | Silverado 1500 HD | LS |
| 2001-2007 | Chevrolet | Silverado 1500 HD | LT |
| 1999-2004 | Chevrolet | Silverado 2500 | Base |
| 1999-2004 | Chevrolet | Silverado 2500 | LS |
| 1999-2004 | Chevrolet | Silverado 2500 | LT |
| 2001-2007 | Chevrolet | Silverado 2500 HD | Base |
| 2001-2007 | Chevrolet | Silverado 2500 HD | LS |
| 2001-2007 | Chevrolet | Silverado 2500 HD | LT |
| 2007 | Chevrolet | Silverado 2500 HD | LTZ |
| 2001-2007 | Chevrolet | Silverado 3500 | Base |
| 2001-2007 | Chevrolet | Silverado 3500 | LS |
| 2001-2007 | Chevrolet | Silverado 3500 | LT |
| 2000-2007 | Chevrolet | Suburban 1500 | Base |
| 2000-2007 | Chevrolet | Suburban 1500 | LS |
| 2000-2007 | Chevrolet | Suburban 1500 | LT |
| 2000-2006 | Chevrolet | Suburban 2500 | Base |
| 2000-2006 | Chevrolet | Suburban 2500 | LS |
| 2000-2006 | Chevrolet | Suburban 2500 | LT |
| 2000-2006 | Chevrolet | Tahoe | Base |
| 2000-2006 | Chevrolet | Tahoe | LS |
| 2000-2006 | Chevrolet | Tahoe | LT |
| 1999-2007 | GMC | Sierra 1500 | Base |
| 1999-2003 | GMC | Sierra 1500 | C3 |
| 1999-2007 | GMC | Sierra 1500 | SLE |
| 1999-2007 | GMC | Sierra 1500 | SLT |
| 2002-2007 | GMC | Sierra 1500 | WT |
| 2001-2007 | GMC | Sierra 1500 HD | SLE |
| 2005-2006 | GMC | Sierra 1500 HD | SLT |
| 1999-2004 | GMC | Sierra 2500 | Base |
| 1999-2004 | GMC | Sierra 2500 | SL |
| 1999-2004 | GMC | Sierra 2500 | SLE |
| 1999-2004 | GMC | Sierra 2500 | SLT |
| 2001-2007 | GMC | Sierra 2500 HD | Base |
| 2001-2007 | GMC | Sierra 2500 HD | SLE |
| 2001-2007 | GMC | Sierra 2500 HD | SLT |
| 2001-2007 | GMC | Sierra 3500 | Base |
| 2001-2007 | GMC | Sierra 3500 | SL |
| 2001-2007 | GMC | Sierra 3500 | SLE |
| 2001-2007 | GMC | Sierra 3500 | SLT |
| 2001-2006 | GMC | Yukon | Denali |
| 2001-2006 | GMC | Yukon | SL |
| 2001-2006 | GMC | Yukon | SLE |
| 2001-2006 | GMC | Yukon | SLT |
| 2000-2006 | GMC | Yukon XL 1500 | Denali |
| 2000-2006 | GMC | Yukon XL 1500 | SL |
| 2000-2006 | GMC | Yukon XL 1500 | SLE |
| 2000-2006 | GMC | Yukon XL 1500 | SLT |
| 2000-2006 | GMC | Yukon XL 2500 | SLE |
| 2000-2006 | GMC | Yukon XL 2500 | SLT |
| 2003-2007 | Hummer | H2 | Base |
Why Choose Mishimoto?
- Engineered and tested in 68,000 sq ft USA facility since 2005.
- Focuses on stock replacement parts for trucks and SUVs with reliable results.
- Uses advanced tools for precise fit and consistent performance.
Frequently Asked Questions
- Q: Will this fit my 2004 Chevrolet Silverado 1500 LS with 5.3L?
A: Yes, it fits all listed 1999-2007 GM LS V8 models including Silverado 1500 LS. confirm square coil style on your engine. - Q: What materials are used in these coils?
A: High-quality epoxy-filled housings and copper windings designed for heat resistance and spark consistency. - Q: How does the warranty work?
A: Lifetime Warranty covers manufacturing defects as long as you own the vehicle. contact Mishimoto for claims.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Secure Mishimoto retail box, 10.24 x 9.84 x 3.54 inches
- Weight: 4.41 lbs
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