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Denso 671-8172 Direct Ignition Coil Boot Kit
| Brand | Denso 671-8172 |
|---|---|
| Boot Color | Brown |
| Boot Material | Silicone |
| Length | 116.00 |
| Terminal Gender | Male Female |
| Terminal Quantity | 1 |
| Product line | 8 Boots |
| Fits | Ford, Lincoln, and Mercury · 36 vehicles |
OE direct replacement. Identical in form, fit, color, and performance to factory-installed boots.
Silicone boots. Heat-resistant material helps maintain reliable ignition performance.
First Time Fit. Built to meet or exceed OE/OES standards.
Cross-references GP - Guaranteed Parts SPP87 and PROConnect 128045 for the same application. See all 2.
Denso Ignition Coil Boot Kit for Ford and Lincoln
Denso 671-8172 is a direct ignition coil boot kit built to match factory form, fit, color, and performance. It uses silicone boot material and a brown boot finish to support reliable ignition service on select Ford, Lincoln, and Mercury applications.
Key Features
- Direct ignition coil boot kit for OE-style replacement
- Silicone boot material for consistent heat resistance and durability
- Brown boot color matches factory-installed boot appearance on listed applications
- Single-terminal design with male/female terminal gender configuration
- 116.00 length specification for proper fitment on supported vehicles
- Denso First Time Fit construction meets or exceeds OE/OES standards
Product Details
Denso First Time Fit COP boot sets are built to mirror the original equipment part in form, fit, color, and performance. The 671-8172 ignition coil boot kit is intended for direct replacement service on vehicles that use brown boots, including 2008-2014 Ford Expedition, 2008-2014 Lincoln Navigator, 2008-2010 Ford Explorer, 2008-2010 Ford Explorer Sport Trac, 2008-2010 Ford F-150, 2008-2010 Ford F-250 Super Duty, 2008-2010 Ford F-350 Super Duty, 2008-2010 Ford Mustang, 2008-2010 Mercury Mountaineer, and 2008 Lincoln Mark LT. This part number, 671-8172, is also cross-referenced to GP - Guaranteed Parts SPP87 and PROConnect 128045 for the same application.
Common Issues This Part Addresses
- Ignition misfire caused by worn or heat-damaged coil boots
- Cracking, hardening, or carbon tracking on existing boots
- Loss of spark transfer between the coil and spark plug
- Rough idle, hesitation, or intermittent engine performance concerns tied to boot wear
- Service replacement for vehicles requiring brown COP boots
Installation Notes and Tips
Verify the vehicle year, make, model, and boot color requirement before installation. Confirm the existing ignition coil boot style and terminal configuration match the 671-8172 specification. Inspect the coil, spark plug, and surrounding ignition components for wear or contamination during service, and replace any damaged parts before reassembly.
Quality Assurance
Denso First Time Fit components are engineered to meet or exceed OE/OES standards, with construction intended to match factory-installed parts for supported Ford, Lincoln, and Mercury applications.
| Year | Make | Model | Fuel Type | Position | Notes |
|---|---|---|---|---|---|
| 2014 | Ford | Expedition | — | N/A | 8 Boots |
| 2014 | Lincoln | Navigator | — | N/A | 8 Boots |
| 2013 | Ford | Expedition | — | N/A | 8 Boots |
| 2013 | Lincoln | Navigator | — | N/A | 8 Boots |
| 2012 | Ford | Expedition | — | N/A | 8 Boots |
| 2012 | Lincoln | Navigator | — | N/A | 8 Boots |
| 2011 | Ford | Expedition | — | N/A | 8 Boots |
| 2011 | Lincoln | Navigator | — | N/A | 8 Boots |
| 2010 | Ford | Expedition | — | N/A | 8 Boots |
| 2010 | Ford | Explorer | — | N/A | 8 Boots |
| 2010 | Ford | Explorer Sport Trac | — | N/A | 8 Boots |
| 2010 | Ford | F-150 | — | N/A | 8 Boots |
| 2010 | Ford | F-250 Super Duty | — | N/A | 8 Boots |
| 2010 | Ford | F-350 Super Duty | — | N/A | 8 Boots |
| 2010 | Ford | Mustang | — | N/A | 8 Boots |
| 2010 | Lincoln | Navigator | — | N/A | 8 Boots |
| 2010 | Mercury | Mountaineer | — | N/A | 8 Boots |
| 2009 | Ford | Expedition | — | N/A | 8 Boots |
| 2009 | Ford | Explorer | — | N/A | 8 Boots |
| 2009 | Ford | Explorer Sport Trac | — | N/A | 8 Boots |
| 2009 | Ford | F-150 | — | N/A | 8 Boots |
| 2009 | Ford | F-250 Super Duty | — | N/A | 8 Boots |
| 2009 | Ford | F-350 Super Duty | — | N/A | 8 Boots |
| 2009 | Ford | Mustang | — | N/A | 8 Boots |
| 2009 | Lincoln | Navigator | — | N/A | 8 Boots |
| 2009 | Mercury | Mountaineer | — | N/A | 8 Boots |
| 2008 | Ford | Expedition | — | N/A | w/ Brown Boots; 8 Boots |
| 2008 | Ford | Explorer | — | N/A | w/ Brown Boots; 8 Boots |
| 2008 | Ford | Explorer Sport Trac | — | N/A | w/ Brown Boots; 8 Boots |
| 2008 | Ford | F-150 | GAS | N/A | w/ Brown Boots; 8 Boots |
| 2008 | Ford | F-250 Super Duty | — | N/A | w/ Brown Boots; 8 Boots |
| 2008 | Ford | F-350 Super Duty | — | N/A | w/ Brown Boots; 8 Boots |
| 2008 | Ford | Mustang | — | N/A | w/ Brown Boots; 8 Boots |
| 2008 | Lincoln | Mark LT | — | N/A | w/ Brown Boots; 8 Boots |
| 2008 | Lincoln | Navigator | — | N/A | w/ Brown Boots; 8 Boots |
| 2008 | Mercury | Mountaineer | — | N/A | w/ Brown Boots; 8 Boots |
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