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Denso 4717 Spark Plug
| Brand | Denso 4717 |
|---|---|
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Iridium |
| Ground Configuration | Twin-Tip |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Platinum Twin-Tip |
| Hex Size | 16.0 |
| Manufacturer Heat Range | 16 |
| Pre-Gap Size | 1.0 |
| Reach | 25.00 |
| Resistance | 5000 |
| Seat Type | Tapered |
| Thread Diameter | 14.00 |
| Product line | Iridium TT |
| Fits | Cadillac, Chevrolet, Ford, GMC, Jeep, Chrysler, Dodge, Hummer, Pontiac, Saturn, Volkswagen, Saab, Isuzu, Buick, and Oldsmobile · 370 vehicles |
OE-style durability. Combines everyday reliability with high-performance power and torque.
Iridium center electrode. Promotes strong spark performance and long service life.
Twin-tip design. Helps deliver efficient ignition for consistent combustion.
Cross-references Chrysler 4606 402AB, Chrysler 4606 759AA and Chrysler 4686 742AD for the same application. See all 33.
Denso Iridium TT Spark Plug 4717
Denso Iridium TT 4717 is an OE-style spark plug built for consistent ignition performance, durability, and responsive power delivery. It combines an iridium center electrode with a platinum twin-tip ground design to support stable spark formation in a wide range of GM, Chrysler, Ford, Jeep, and Volkswagen applications.
For drivers searching for a Denso 4717 spark plug for Chevrolet Silverado 1500, GMC Sierra 1500, or Cadillac Escalade applications, this Iridium TT plug matches many OE replacement needs across 1998-2023 model years.
Key Features
- Iridium center electrode tip for precise spark delivery
- Platinum twin-tip ground electrode design for OE-style durability
- Copper core center electrode and nickel ground core for dependable heat transfer
- 5000 ohm resistance for ignition system compatibility
- Pre-gapped to 1.0 mm
- Tapered seat, 14 mm thread diameter, 25.00 mm reach, and 16 mm hex size
- Manufacturer heat range 16
Iridium TT Product Line
Denso’s Iridium TT line pairs a fine-wire iridium center electrode with a twin-tip ground electrode layout. The design focuses on maintaining a strong spark while preserving OE-style service life, making it a practical choice for daily-driven vehicles that need steady ignition performance without moving away from factory-style specifications.
Detailed Description
This Denso spark plug is engineered for direct replacement use in many late-model and older vehicles, including Cadillac CT5, Chevrolet Camaro, Chevrolet Silverado 1500, GMC Sierra 1500, Jeep Wrangler, Chrysler Town & Country, and Dodge Ram 1500 applications. The iridium tip supports efficient ignition, while the platinum twin-tip ground configuration helps maintain consistent firing characteristics over time. Denso 4717 is a fitment-focused choice for owners looking for an OE replacement spark plug with performance-oriented electrode materials.
This part cross-references DENSO Auto Parts ITL16TT for the same application.
Common Issues This Part Can Address
- Rough idle caused by worn spark plug electrodes
- Hard starting from weak or inconsistent spark output
- Misfire conditions related to aged ignition components
- Reduced throttle response from degraded plug performance
- Maintenance replacement for OE-style ignition service intervals
Installation Notes and Tips
Verify engine-specific fitment before installation, especially on vehicles with application notes such as two spark plugs required per cylinder. Confirm the tapered seat, 14 mm thread diameter, 25.00 mm reach, and 16 mm hex size match the engine specification. Handle iridium and platinum electrode tips carefully during gapping and installation to avoid damage. Follow the vehicle manufacturer’s torque specification and ignition service procedure.
Quality Assurance
Denso manufactures this Iridium TT spark plug to OE-style standards with premium electrode materials selected for durability and stable ignition performance. The part number 4717 is built for direct replacement use across confirmed fitments listed for 1998-2023 vehicles.
- Fits 2022-2023 Cadillac CT5, N/A
- Fits 2021-2023 Cadillac Escalade, N/A
- Fits 2021-2023 Cadillac Escalade ESV, N/A
- Fits 2021-2023 Chevrolet Camaro, N/A
- Fits 2021-2023 Chevrolet Express 2500, N/A
- Fits 2021-2023 Chevrolet Express 3500, N/A
- Fits 2021-2023 Chevrolet Silverado 1500, N/A
- Fits 2021-2023 Chevrolet Silverado 2500 HD, N/A
- Fits 2021-2023 Chevrolet Silverado 3500 HD, N/A
- Fits 2021-2023 Chevrolet Tahoe, N/A
- Fits 2021-2023 GMC Savana 2500, N/A
- Fits 2021-2023 GMC Savana 3500, N/A
- Fits 2021-2023 GMC Sierra 1500, N/A
- Fits 2021-2023 GMC Sierra 2500 HD, N/A
- Fits 2021-2023 GMC Sierra 3500 HD, N/A
- Fits 2021-2023 GMC Yukon, N/A
- Fits 2021-2023 GMC Yukon XL, N/A
- Fits 2022 Chevrolet Silverado 1500 LTD, N/A
- Fits 2022 GMC Sierra 1500 Limited, N/A
- Fits 2016-2017 Cadillac CTS, N/A
- Fits 2015-2017 Cadillac Escalade, N/A
- Fits 2015-2017 Cadillac Escalade ESV, N/A
- Fits 2016-2017 Chevrolet Camaro, N/A
- Fits 2014-2017 Chevrolet Corvette, N/A
- Fits 2014-2017 Chevrolet Silverado 1500, N/A
- Fits 2015-2017 Chevrolet Tahoe, N/A
- Fits 2014-2017 Ford Transit Connect, N/A
- Fits 2014-2017 GMC Sierra 1500, N/A
- Fits 2015-2017 GMC Yukon, N/A
- Fits 2015-2017 GMC Yukon XL, N/A
- Fits 2013-2016 Buick Verano, N/A
- Fits 2014 GMC Savana 1500, N/A
- Fits 2011-2013 Buick Regal, N/A
- Fits 2004-2012 Chevrolet Colorado, N/A
- Fits 2007-2012 Chevrolet Malibu, N/A
- Fits 2004-2012 GMC Canyon, N/A
- Fits 2006-2011 Chevrolet HHR, N/A
- Fits 2003-2011 Jeep Wrangler, N/A
- Fits 2006-2010 Chevrolet Cobalt, N/A
- Fits 2001-2010 Chrysler PT Cruiser, N/A
- Fits 2001-2010 Chrysler Town & Country, N/A
- Fits 2001-2010 Dodge Grand Caravan, N/A
- Fits 2006-2010 Hummer H3, N/A
- Fits 2009-2010 Hummer H3T, N/A
- Fits 2006-2010 Pontiac G6, N/A
- Fits 2007-2010 Saturn Sky, N/A
- Fits 2002-2010 Saturn Vue, N/A
- Fits 2009-2010 Volkswagen Routan, N/A
- Fits 2003-2009 Chevrolet Trailblazer, N/A
- Fits 2005-2009 Chrysler 300, N/A
- Fits 2007-2009 Chrysler 300, N/A
- Fits 2004-2009 Chrysler Sebring, N/A
- Fits 2007-2009 Dodge Charger, N/A
- Fits 2003-2009 GMC Envoy, N/A
- Fits 2007-2009 Pontiac G5, N/A
- Fits 2006-2009 Pontiac Solstice, N/A
- Fits 2005-2009 Saab 9-7x, N/A
- Fits 2007-2009 Saturn Aura, N/A
- Fits 2007-2008 Chrysler Aspen, N/A
- Fits 2007-2008 Chrysler Pacifica, N/A
- Fits 2008 Dodge Avenger, N/A
- Fits 2006-2008 Dodge Charger, N/A
- Fits 2004-2008 Dodge Durango, N/A
- Fits 2005-2008 Dodge Magnum, N/A
- Fits 2007-2008 Dodge Magnum, N/A
- Fits 2003-2008 Dodge Ram 1500, N/A
- Fits 2003-2008 Dodge Ram 2500, N/A
- Fits 2003-2008 Dodge Ram 3500, N/A
- Fits 2003-2008 Isuzu Ascender, N/A
- Fits 2007-2008 Isuzu i-290, N/A
- Fits 2007-2008 Isuzu i-370, N/A
- Fits 2007-2008 Jeep Commander, N/A
- Fits 2005-2008 Jeep Grand Cherokee, N/A
- Fits 2004-2007 Buick Rainier, N/A
- Fits 2001-2007 Dodge Caravan, N/A
- Fits 2003-2007 Saturn Ion, N/A
- Fits 2003-2006 Chevrolet Trailblazer EXT, N/A
- Fits 2001-2006 Dodge Stratus, N/A
- Fits 2003-2006 GMC Envoy XL, N/A
- Fits 2006 Isuzu i-280, N/A
- Fits 2006 Isuzu i-350, N/A
- Fits 2006 Jeep Commander, N/A
- Fits 2002-2005 Chevrolet Cavalier, N/A
- Fits 2004-2005 Chevrolet Classic, N/A
- Fits 2003-2005 Dodge Neon, N/A
- Fits 2004-2005 GMC Envoy XUV, N/A
- Fits 2002-2005 Jeep Liberty, N/A
- Fits 2002-2005 Pontiac Grand Am, N/A
- Fits 2002-2005 Pontiac Sunfire, N/A
- Fits 2003-2004 Oldsmobile Bravada, N/A
- Fits 2004 Saturn L300, N/A
- Fits 2001-2003 Chrysler Voyager, N/A
- Fits 2002-2003 Saturn L200, N/A
- Fits 2002-2003 Saturn LW200, N/A
- Fits 1998-2002 Chrysler Intrepid, N/A
- Fits 2002 Saturn L100, N/A
- Fits 1998 Chrysler Concorde, N/A
- Fits 1998 Dodge Intrepid, N/A
| Year | Make | Model | Submodel | Drive Type | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2023 | Cadillac | CT5 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2023 | Cadillac | Escalade | — | RWD | — | N/A | OE; Spark Plug - Iridium TT |
| 2023 | Cadillac | Escalade ESV | — | RWD | — | N/A | OE; Spark Plug - Iridium TT |
| 2023 | Chevrolet | Camaro | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2023 | Chevrolet | Express 2500 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2023 | Chevrolet | Express 3500 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2023 | Chevrolet | Silverado 1500 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2023 | Chevrolet | Silverado 2500 HD | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2023 | Chevrolet | Silverado 3500 HD | WT | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2023 | Chevrolet | Tahoe | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2023 | GMC | Savana 2500 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2023 | GMC | Savana 3500 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2023 | GMC | Sierra 1500 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2023 | GMC | Sierra 2500 HD | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2023 | GMC | Sierra 3500 HD | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2023 | GMC | Yukon | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2023 | GMC | Yukon XL | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | Cadillac | CT5 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | Cadillac | Escalade | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | Cadillac | Escalade ESV | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | Chevrolet | Camaro | ZL1 | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | Chevrolet | Express 2500 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | Chevrolet | Express 3500 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | Chevrolet | Silverado 1500 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | Chevrolet | Silverado 1500 LTD | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | Chevrolet | Silverado 2500 HD | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | Chevrolet | Silverado 3500 HD | WT | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | Chevrolet | Tahoe | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | GMC | Savana 2500 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | GMC | Savana 3500 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | GMC | Sierra 1500 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | GMC | Sierra 1500 Limited | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | GMC | Sierra 2500 HD | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | GMC | Sierra 3500 HD | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | GMC | Yukon | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2022 | GMC | Yukon XL | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2021 | Cadillac | Escalade | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2021 | Cadillac | Escalade ESV | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2021 | Chevrolet | Camaro | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2021 | Chevrolet | Express 2500 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2021 | Chevrolet | Express 3500 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2021 | Chevrolet | Silverado 1500 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2021 | Chevrolet | Silverado 2500 HD | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2021 | Chevrolet | Silverado 3500 HD | WT | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2021 | Chevrolet | Tahoe | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2021 | GMC | Savana 2500 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2021 | GMC | Savana 3500 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2021 | GMC | Sierra 1500 | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2021 | GMC | Sierra 2500 HD | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2021 | GMC | Sierra 3500 HD | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2021 | GMC | Yukon | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2021 | GMC | Yukon XL | — | — | — | N/A | OE; Spark Plug - Iridium TT |
| 2017 | Cadillac | CTS | — | — | — | N/A | Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology; Spark Plug - Iridium TT |
| 2017 | Cadillac | Escalade | — | — | — | N/A | Iridium TT |
| 2017 | Cadillac | Escalade ESV | — | — | — | N/A | Iridium TT |
| 2017 | Chevrolet | Camaro | — | — | — | N/A | Iridium TT |
| 2017 | Chevrolet | Corvette | — | — | — | N/A | Iridium TT |
| 2017 | Chevrolet | Silverado 1500 | — | — | — | N/A | Iridium TT |
| 2017 | Chevrolet | Tahoe | — | — | — | N/A | Iridium TT |
| 2017 | Ford | Transit Connect | — | — | — | N/A | Iridium TT |
| 2017 | GMC | Sierra 1500 | — | — | — | N/A | Iridium TT |
| 2017 | GMC | Yukon | — | — | — | N/A | Iridium TT |
| 2017 | GMC | Yukon XL | — | — | — | N/A | Iridium TT |
| 2016 | Buick | Verano | — | — | — | N/A | Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology; Spark Plug - Iridium TT |
| 2016 | Cadillac | CTS | — | — | — | N/A | Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology; Spark Plug - Iridium TT |
| 2016 | Cadillac | Escalade | — | — | — | N/A | Iridium TT |
| 2016 | Cadillac | Escalade ESV | — | — | — | N/A | Iridium TT |
| 2016 | Chevrolet | Camaro | — | — | — | N/A | Iridium TT |
| 2016 | Chevrolet | Corvette | — | — | — | N/A | Iridium TT |
| 2016 | Chevrolet | Silverado 1500 | — | — | — | N/A | Iridium TT |
| 2016 | Chevrolet | Tahoe | — | — | — | N/A | Iridium TT |
| 2016 | Ford | Transit Connect | — | — | — | N/A | Iridium TT |
| 2016 | GMC | Sierra 1500 | — | — | — | N/A | Iridium TT |
| 2016 | GMC | Yukon | — | — | — | N/A | Iridium TT |
| 2016 | GMC | Yukon XL | — | — | — | N/A | Iridium TT |
| 2015 | Buick | Verano | — | — | — | N/A | Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology; Spark Plug - Iridium TT |
| 2015 | Cadillac | Escalade | — | — | — | N/A | Iridium TT |
| 2015 | Cadillac | Escalade ESV | — | — | — | N/A | Iridium TT |
| 2015 | Chevrolet | Corvette | — | — | — | N/A | Iridium TT |
| 2015 | Chevrolet | Silverado 1500 | — | — | — | N/A | Iridium TT |
| 2015 | Chevrolet | Tahoe | — | — | — | N/A | Iridium TT |
| 2015 | Ford | Transit Connect | — | — | — | N/A | Iridium TT |
| 2015 | GMC | Sierra 1500 | — | — | — | N/A | Iridium TT |
| 2015 | GMC | Yukon | — | — | — | N/A | Iridium TT |
| 2015 | GMC | Yukon XL | — | — | — | N/A | Iridium TT |
| 2014 | Buick | Verano | — | — | — | N/A | Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology; Spark Plug - Iridium TT |
| 2014 | Chevrolet | Corvette | — | — | — | N/A | Iridium TT |
| 2014 | Chevrolet | Silverado 1500 | — | — | — | N/A | Iridium TT |
| 2014 | Ford | Transit Connect | — | — | — | N/A | Iridium TT |
| 2014 | GMC | Savana 1500 | — | — | — | N/A | Iridium TT |
| 2014 | GMC | Sierra 1500 | — | — | — | N/A | Iridium TT |
| 2013 | Buick | Regal | — | — | — | N/A | Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology; Spark Plug - Iridium TT |
| 2013 | Buick | Verano | — | — | — | N/A | Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology; Spark Plug - Iridium TT |
| 2012 | Buick | Regal | — | — | — | N/A | Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology; Spark Plug - Iridium TT |
| 2012 | Chevrolet | Colorado | — | — | — | N/A | Iridium TT |
| 2012 | Chevrolet | Malibu | — | — | — | N/A | Iridium TT |
| 2012 | GMC | Canyon | — | — | — | N/A | Iridium TT |
| 2011 | Buick | Regal | — | — | — | N/A | Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology; Spark Plug - Iridium TT |
| 2011 | Chevrolet | Colorado | — | — | — | N/A | Iridium TT |
| 2011 | Chevrolet | HHR | — | — | — | N/A | Iridium TT |
| 2011 | Chevrolet | Malibu | — | — | — | N/A | Iridium TT |
| 2011 | GMC | Canyon | — | — | — | N/A | Iridium TT |
| 2011 | Jeep | Wrangler | — | — | — | N/A | Iridium TT |
| 2010 | Chevrolet | Cobalt | — | — | — | N/A | Iridium TT |
| 2010 | Chevrolet | Colorado | — | — | — | N/A | Iridium TT |
| 2010 | Chevrolet | HHR | — | — | — | N/A | Iridium TT |
| 2010 | Chevrolet | Malibu | — | — | — | N/A | Iridium TT |
| 2010 | Chrysler | PT Cruiser | — | — | — | N/A | Iridium TT |
| 2010 | Chrysler | Town & Country | — | — | — | N/A | Iridium TT |
| 2010 | Dodge | Grand Caravan | — | — | — | N/A | Iridium TT |
| 2010 | GMC | Canyon | — | — | — | N/A | Iridium TT |
| 2010 | Hummer | H3 | — | — | — | N/A | Iridium TT |
| 2010 | Hummer | H3T | — | — | — | N/A | Iridium TT |
| 2010 | Jeep | Wrangler | — | — | — | N/A | Iridium TT |
| 2010 | Pontiac | G6 | — | — | — | N/A | Iridium TT |
| 2010 | Saturn | Sky | — | — | — | N/A | Iridium TT |
| 2010 | Saturn | Vue | — | — | — | N/A | Iridium TT |
| 2010 | Volkswagen | Routan | — | — | — | N/A | Iridium TT |
| 2009 | Chevrolet | Cobalt | — | — | — | N/A | Iridium TT |
| 2009 | Chevrolet | Colorado | — | — | — | N/A | Iridium TT |
| 2009 | Chevrolet | HHR | — | — | — | N/A | Iridium TT |
| 2009 | Chevrolet | Malibu | — | — | — | N/A | Iridium TT |
| 2009 | Chevrolet | Trailblazer | — | — | — | N/A | Iridium TT |
| 2009 | Chrysler | 300 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2009 | Chrysler | 300 | — | — | — | N/A | Iridium TT |
| 2009 | Chrysler | PT Cruiser | — | — | — | N/A | Iridium TT |
| 2009 | Chrysler | Sebring | — | — | — | N/A | Iridium TT |
| 2009 | Chrysler | Town & Country | — | — | — | N/A | Iridium TT |
| 2009 | Dodge | Charger | — | — | — | N/A | Iridium TT |
| 2009 | Dodge | Grand Caravan | — | — | — | N/A | Iridium TT |
| 2009 | GMC | Canyon | — | — | — | N/A | Iridium TT |
| 2009 | GMC | Envoy | — | — | — | N/A | Iridium TT |
| 2009 | Hummer | H3 | — | — | — | N/A | Iridium TT |
| 2009 | Hummer | H3T | — | — | — | N/A | Iridium TT |
| 2009 | Jeep | Wrangler | — | — | — | N/A | Iridium TT |
| 2009 | Pontiac | G5 | — | — | — | N/A | Iridium TT |
| 2009 | Pontiac | G6 | — | — | — | N/A | Iridium TT |
| 2009 | Pontiac | Solstice | — | — | — | N/A | Iridium TT |
| 2009 | Saab | 9-7x | — | — | — | N/A | Iridium TT |
| 2009 | Saturn | Aura | — | — | — | N/A | Iridium TT |
| 2009 | Saturn | Sky | — | — | — | N/A | Iridium TT |
| 2009 | Saturn | Vue | — | — | — | N/A | Iridium TT |
| 2009 | Volkswagen | Routan | — | — | — | N/A | Iridium TT |
| 2008 | Chevrolet | Cobalt | — | — | — | N/A | Iridium TT |
| 2008 | Chevrolet | Colorado | — | — | — | N/A | Iridium TT |
| 2008 | Chevrolet | HHR | — | — | — | N/A | Iridium TT |
| 2008 | Chevrolet | Malibu | — | — | ELECTRIC/GAS | N/A | Iridium TT |
| 2008 | Chevrolet | Malibu | — | — | — | N/A | Iridium TT |
| 2008 | Chevrolet | Trailblazer | — | — | — | N/A | Iridium TT |
| 2008 | Chrysler | 300 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2008 | Chrysler | 300 | — | — | — | N/A | Iridium TT |
| 2008 | Chrysler | Aspen | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2008 | Chrysler | Pacifica | — | — | — | N/A | Iridium TT |
| 2008 | Chrysler | PT Cruiser | — | — | — | N/A | Iridium TT |
| 2008 | Chrysler | Sebring | — | — | — | N/A | Iridium TT |
| 2008 | Chrysler | Town & Country | — | — | — | N/A | Iridium TT |
| 2008 | Dodge | Avenger | — | — | — | N/A | Iridium TT |
| 2008 | Dodge | Charger | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2008 | Dodge | Charger | — | — | — | N/A | Iridium TT |
| 2008 | Dodge | Durango | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2008 | Dodge | Grand Caravan | — | — | — | N/A | Iridium TT |
| 2008 | Dodge | Magnum | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2008 | Dodge | Magnum | — | — | — | N/A | Iridium TT |
| 2008 | Dodge | Ram 1500 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2008 | Dodge | Ram 2500 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2008 | Dodge | Ram 3500 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2008 | GMC | Canyon | — | — | — | N/A | Iridium TT |
| 2008 | GMC | Envoy | — | — | — | N/A | Iridium TT |
| 2008 | Hummer | H3 | — | — | — | N/A | Iridium TT |
| 2008 | Isuzu | Ascender | — | — | — | N/A | Iridium TT |
| 2008 | Isuzu | i-290 | — | — | — | N/A | Iridium TT |
| 2008 | Isuzu | i-370 | — | — | — | N/A | Iridium TT |
| 2008 | Jeep | Commander | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2008 | Jeep | Grand Cherokee | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2008 | Jeep | Wrangler | — | — | — | N/A | Iridium TT |
| 2008 | Pontiac | G5 | — | — | — | N/A | Iridium TT |
| 2008 | Pontiac | G6 | — | — | — | N/A | Iridium TT |
| 2008 | Pontiac | Solstice | — | — | — | N/A | Iridium TT |
| 2008 | Saab | 9-7x | — | — | — | N/A | Iridium TT |
| 2008 | Saturn | Aura | — | — | — | N/A | Iridium TT |
| 2008 | Saturn | Sky | — | — | — | N/A | Iridium TT |
| 2008 | Saturn | Vue | — | — | — | N/A | Iridium TT |
| 2007 | Buick | Rainier | — | — | — | N/A | Iridium TT |
| 2007 | Chevrolet | Cobalt | — | — | — | N/A | Iridium TT |
| 2007 | Chevrolet | Colorado | — | — | — | N/A | Iridium TT |
| 2007 | Chevrolet | HHR | — | — | — | N/A | Iridium TT |
| 2007 | Chevrolet | Malibu | — | — | — | N/A | Iridium TT |
| 2007 | Chevrolet | Trailblazer | — | — | — | N/A | Iridium TT |
| 2007 | Chrysler | 300 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2007 | Chrysler | 300 | — | — | — | N/A | Iridium TT |
| 2007 | Chrysler | Aspen | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2007 | Chrysler | Pacifica | — | — | — | N/A | Iridium TT |
| 2007 | Chrysler | PT Cruiser | — | — | — | N/A | Iridium TT |
| 2007 | Chrysler | Sebring | — | — | — | N/A | Iridium TT |
| 2007 | Chrysler | Town & Country | — | — | — | N/A | Iridium TT |
| 2007 | Dodge | Caravan | — | — | — | N/A | Iridium TT |
| 2007 | Dodge | Charger | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2007 | Dodge | Charger | — | — | — | N/A | Iridium TT |
| 2007 | Dodge | Durango | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2007 | Dodge | Grand Caravan | — | — | — | N/A | Iridium TT |
| 2007 | Dodge | Magnum | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2007 | Dodge | Magnum | — | — | — | N/A | Iridium TT |
| 2007 | Dodge | Ram 1500 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2007 | Dodge | Ram 2500 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2007 | Dodge | Ram 3500 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2007 | GMC | Canyon | — | — | — | N/A | Iridium TT |
| 2007 | GMC | Envoy | — | — | — | N/A | Iridium TT |
| 2007 | Hummer | H3 | — | — | — | N/A | Iridium TT |
| 2007 | Isuzu | Ascender | — | — | — | N/A | Iridium TT |
| 2007 | Isuzu | i-290 | — | — | — | N/A | Iridium TT |
| 2007 | Isuzu | i-370 | — | — | — | N/A | Iridium TT |
| 2007 | Jeep | Commander | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2007 | Jeep | Grand Cherokee | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2007 | Jeep | Wrangler | — | — | — | N/A | Iridium TT |
| 2007 | Pontiac | G5 | — | — | — | N/A | Iridium TT |
| 2007 | Pontiac | G6 | — | — | — | N/A | Iridium TT |
| 2007 | Pontiac | Solstice | — | — | — | N/A | Iridium TT |
| 2007 | Saab | 9-7x | — | — | — | N/A | Iridium TT |
| 2007 | Saturn | Aura | — | — | — | N/A | Iridium TT |
| 2007 | Saturn | Ion | — | — | — | N/A | Iridium TT |
| 2007 | Saturn | Sky | — | — | — | N/A | Iridium TT |
| 2007 | Saturn | Vue | — | — | — | N/A | Iridium TT |
| 2006 | Buick | Rainier | — | — | — | N/A | Iridium TT |
| 2006 | Chevrolet | Cobalt | — | — | — | N/A | Iridium TT |
| 2006 | Chevrolet | Colorado | — | — | — | N/A | Iridium TT |
| 2006 | Chevrolet | HHR | — | — | — | N/A | Iridium TT |
| 2006 | Chevrolet | Trailblazer | — | — | — | N/A | Iridium TT |
| 2006 | Chevrolet | Trailblazer EXT | — | — | — | N/A | Iridium TT |
| 2006 | Chrysler | 300 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2006 | Chrysler | PT Cruiser | — | — | — | N/A | Iridium TT |
| 2006 | Chrysler | Sebring | — | — | — | N/A | Iridium TT |
| 2006 | Chrysler | Town & Country | — | — | — | N/A | Iridium TT |
| 2006 | Dodge | Caravan | — | — | — | N/A | Iridium TT |
| 2006 | Dodge | Charger | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2006 | Dodge | Durango | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2006 | Dodge | Grand Caravan | — | — | — | N/A | Iridium TT |
| 2006 | Dodge | Magnum | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2006 | Dodge | Ram 1500 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2006 | Dodge | Ram 2500 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2006 | Dodge | Ram 3500 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2006 | Dodge | Stratus | — | — | — | N/A | Iridium TT |
| 2006 | GMC | Canyon | — | — | — | N/A | Iridium TT |
| 2006 | GMC | Envoy | — | — | — | N/A | Iridium TT |
| 2006 | GMC | Envoy XL | — | — | — | N/A | Iridium TT |
| 2006 | Hummer | H3 | — | — | — | N/A | Iridium TT |
| 2006 | Isuzu | Ascender | — | — | — | N/A | Iridium TT |
| 2006 | Isuzu | i-280 | — | — | — | N/A | Iridium TT |
| 2006 | Isuzu | i-350 | — | — | — | N/A | Iridium TT |
| 2006 | Jeep | Commander | — | — | — | N/A | Iridium TT |
| 2006 | Jeep | Grand Cherokee | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2006 | Jeep | Wrangler | — | — | — | N/A | Iridium TT |
| 2006 | Pontiac | G6 | — | — | — | N/A | Iridium TT |
| 2006 | Pontiac | Solstice | — | — | — | N/A | Iridium TT |
| 2006 | Saab | 9-7x | — | — | — | N/A | Iridium TT |
| 2006 | Saturn | Ion | — | — | — | N/A | Iridium TT |
| 2006 | Saturn | Vue | — | — | — | N/A | Iridium TT |
| 2005 | Buick | Rainier | — | — | — | N/A | Iridium TT |
| 2005 | Chevrolet | Cavalier | — | — | — | N/A | Iridium TT |
| 2005 | Chevrolet | Classic | — | — | — | N/A | Iridium TT |
| 2005 | Chevrolet | Colorado | — | — | — | N/A | Iridium TT |
| 2005 | Chevrolet | Trailblazer | — | — | — | N/A | Iridium TT |
| 2005 | Chevrolet | Trailblazer EXT | — | — | — | N/A | Iridium TT |
| 2005 | Chrysler | 300 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2005 | Chrysler | PT Cruiser | — | — | — | N/A | Iridium TT |
| 2005 | Chrysler | Sebring | — | — | — | N/A | Iridium TT |
| 2005 | Chrysler | Town & Country | — | — | — | N/A | Iridium TT |
| 2005 | Dodge | Caravan | — | — | — | N/A | Iridium TT |
| 2005 | Dodge | Durango | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2005 | Dodge | Grand Caravan | — | — | — | N/A | Iridium TT |
| 2005 | Dodge | Magnum | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2005 | Dodge | Neon | — | — | — | N/A | Iridium TT |
| 2005 | Dodge | Ram 1500 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2005 | Dodge | Ram 2500 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2005 | Dodge | Ram 3500 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2005 | Dodge | Stratus | — | — | — | N/A | Iridium TT |
| 2005 | GMC | Canyon | — | — | — | N/A | Iridium TT |
| 2005 | GMC | Envoy | — | — | — | N/A | Iridium TT |
| 2005 | GMC | Envoy XL | — | — | — | N/A | Iridium TT |
| 2005 | GMC | Envoy XUV | — | — | — | N/A | Iridium TT |
| 2005 | Isuzu | Ascender | — | — | — | N/A | Iridium TT |
| 2005 | Jeep | Grand Cherokee | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2005 | Jeep | Liberty | — | — | — | N/A | Iridium TT |
| 2005 | Jeep | Wrangler | — | — | — | N/A | Iridium TT |
| 2005 | Pontiac | Grand Am | — | — | — | N/A | Iridium TT |
| 2005 | Pontiac | Sunfire | — | — | — | N/A | Iridium TT |
| 2005 | Saab | 9-7x | — | — | — | N/A | Iridium TT |
| 2005 | Saturn | Ion | — | — | — | N/A | Iridium TT |
| 2005 | Saturn | Vue | — | — | — | N/A | Iridium TT |
| 2004 | Buick | Rainier | — | — | — | N/A | Iridium TT |
| 2004 | Chevrolet | Cavalier | — | — | — | N/A | Iridium TT |
| 2004 | Chevrolet | Classic | — | — | — | N/A | Iridium TT |
| 2004 | Chevrolet | Colorado | — | — | — | N/A | Iridium TT |
| 2004 | Chevrolet | Trailblazer | — | — | — | N/A | Iridium TT |
| 2004 | Chevrolet | Trailblazer EXT | — | — | — | N/A | Iridium TT |
| 2004 | Chrysler | PT Cruiser | — | — | — | N/A | Iridium TT |
| 2004 | Chrysler | Sebring | — | — | — | N/A | Iridium TT |
| 2004 | Chrysler | Town & Country | — | — | — | N/A | Iridium TT |
| 2004 | Dodge | Caravan | — | — | — | N/A | Iridium TT |
| 2004 | Dodge | Durango | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2004 | Dodge | Grand Caravan | — | — | — | N/A | Iridium TT |
| 2004 | Dodge | Neon | — | — | — | N/A | Iridium TT |
| 2004 | Dodge | Ram 1500 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2004 | Dodge | Ram 2500 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2004 | Dodge | Ram 3500 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2004 | Dodge | Stratus | — | — | — | N/A | Iridium TT |
| 2004 | GMC | Canyon | — | — | — | N/A | Iridium TT |
| 2004 | GMC | Envoy | — | — | — | N/A | Iridium TT |
| 2004 | GMC | Envoy XL | — | — | — | N/A | Iridium TT |
| 2004 | GMC | Envoy XUV | — | — | — | N/A | Iridium TT |
| 2004 | Isuzu | Ascender | — | — | — | N/A | Iridium TT |
| 2004 | Jeep | Liberty | — | — | — | N/A | Iridium TT |
| 2004 | Jeep | Wrangler | — | — | — | N/A | Iridium TT |
| 2004 | Oldsmobile | Bravada | — | — | — | N/A | Iridium TT |
| 2004 | Pontiac | Grand Am | — | — | — | N/A | Iridium TT |
| 2004 | Pontiac | Sunfire | — | — | — | N/A | Iridium TT |
| 2004 | Saturn | Ion | — | — | — | N/A | Iridium TT |
| 2004 | Saturn | L300 | — | — | — | N/A | Iridium TT |
| 2004 | Saturn | Vue | — | — | — | N/A | Iridium TT |
| 2003 | Chevrolet | Cavalier | — | — | — | N/A | Iridium TT |
| 2003 | Chevrolet | Trailblazer | — | — | — | N/A | Iridium TT |
| 2003 | Chevrolet | Trailblazer EXT | — | — | — | N/A | Iridium TT |
| 2003 | Chrysler | PT Cruiser | — | — | — | N/A | Iridium TT |
| 2003 | Chrysler | Town & Country | — | — | — | N/A | Iridium TT |
| 2003 | Chrysler | Voyager | — | — | — | N/A | Iridium TT |
| 2003 | Dodge | Caravan | — | — | — | N/A | Iridium TT |
| 2003 | Dodge | Grand Caravan | — | — | — | N/A | Iridium TT |
| 2003 | Dodge | Neon | — | — | — | N/A | Iridium TT |
| 2003 | Dodge | Ram 1500 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2003 | Dodge | Ram 2500 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2003 | Dodge | Ram 3500 | — | — | — | N/A | Two spark plugs are required per cylinder.; Iridium TT |
| 2003 | Dodge | Stratus | — | — | — | N/A | Iridium TT |
| 2003 | GMC | Envoy | — | — | — | N/A | Iridium TT |
| 2003 | GMC | Envoy XL | — | — | — | N/A | Iridium TT |
| 2003 | Isuzu | Ascender | — | — | — | N/A | Iridium TT |
| 2003 | Jeep | Liberty | — | — | — | N/A | Iridium TT |
| 2003 | Jeep | Wrangler | — | — | — | N/A | Iridium TT |
| 2003 | Oldsmobile | Bravada | — | — | — | N/A | Iridium TT |
| 2003 | Pontiac | Grand Am | — | — | — | N/A | Iridium TT |
| 2003 | Pontiac | Sunfire | — | — | — | N/A | Iridium TT |
| 2003 | Saturn | Ion | — | — | — | N/A | Iridium TT |
| 2003 | Saturn | L200 | — | — | — | N/A | Iridium TT |
| 2003 | Saturn | LW200 | — | — | — | N/A | Iridium TT |
| 2003 | Saturn | Vue | — | — | — | N/A | Iridium TT |
| 2002 | Chevrolet | Cavalier | — | — | — | N/A | Iridium TT |
| 2002 | Chrysler | Intrepid | — | — | — | N/A | Iridium TT |
| 2002 | Chrysler | PT Cruiser | — | — | — | N/A | Iridium TT |
| 2002 | Chrysler | Town & Country | — | — | — | N/A | Iridium TT |
| 2002 | Chrysler | Voyager | — | — | — | N/A | Iridium TT |
| 2002 | Dodge | Caravan | — | — | — | N/A | Iridium TT |
| 2002 | Dodge | Grand Caravan | — | — | — | N/A | Iridium TT |
| 2002 | Dodge | Stratus | — | — | — | N/A | Iridium TT |
| 2002 | Jeep | Liberty | — | — | — | N/A | Iridium TT |
| 2002 | Pontiac | Grand Am | — | — | — | N/A | Iridium TT |
| 2002 | Pontiac | Sunfire | — | — | — | N/A | Iridium TT |
| 2002 | Saturn | L100 | — | — | — | N/A | Iridium TT |
| 2002 | Saturn | L200 | — | — | — | N/A | Iridium TT |
| 2002 | Saturn | LW200 | — | — | — | N/A | Iridium TT |
| 2002 | Saturn | Vue | — | — | — | N/A | Iridium TT |
| 2001 | Chrysler | Intrepid | — | — | — | N/A | Iridium TT |
| 2001 | Chrysler | PT Cruiser | — | — | — | N/A | Iridium TT |
| 2001 | Chrysler | Town & Country | — | — | — | N/A | Iridium TT |
| 2001 | Chrysler | Voyager | — | — | — | N/A | Iridium TT |
| 2001 | Dodge | Caravan | — | — | — | N/A | Iridium TT |
| 2001 | Dodge | Grand Caravan | — | — | — | N/A | Iridium TT |
| 2001 | Dodge | Stratus | — | — | — | N/A | Iridium TT |
| 2000 | Chrysler | Intrepid | — | — | — | N/A | Iridium TT |
| 1999 | Chrysler | Intrepid | — | — | — | N/A | Iridium TT |
| 1998 | Chrysler | Concorde | — | — | — | N/A | Iridium TT |
| 1998 | Chrysler | Intrepid | — | — | — | N/A | Iridium TT |
| 1998 | Dodge | Intrepid | — | — | — | N/A | Iridium TT |
| No rows match your filter. | |||||||