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Denso 671-6278 Spark Plug Wire Set
| Brand | Denso 671-6278 |
|---|---|
| Distributor Coil End Terminal Type | Female |
| Insulation Outside Diameter | 7.00 |
| Spark Plug Boot Material | LR Silicone |
| Spark Plug End Boot Degree | 180 |
| Spark Plug End Boot Quantity Straight | 12 |
| Spark Plug End Terminal Type | FEMALE |
| Product line | 7mm |
| Fits | Chrysler and Mercedes-Benz · 52 vehicles |
OE-style replacement. Matches factory form, fit, color, and performance.
LR silicone boots. Heat-resistant insulation helps maintain reliable spark delivery.
7mm wire design. Compact construction for a clean, factory-like installation.
Cross-references Belden 700587, Bosch 09848 and CARQUEST 35-6231 for the same application. See all 7.
Denso 7mm Spark Plug Wire Set
This Denso spark plug wire set is a direct-fit ignition wire replacement for select Chrysler and Mercedes-Benz applications. Built to match factory form, fit, color, and performance, it supports consistent ignition transfer for vehicles such as the Mercedes-Benz C240, E320, and ML320.
- 7mm insulation outside diameter for OE-style wire routing and fitment
- LR silicone spark plug boot material for heat resistance and durability
- 180-degree spark plug end boot angle for proper connection clearance
- Female spark plug end terminal type
- Female distributor/coil end terminal type
- Built to meet or exceed OE/OES standards in construction
OE-Style Fit and Construction
Denso First Time Fit ignition wire sets are made to match the original wire set in form, fit, color, and performance. The 7mm design and LR silicone boot material support reliable routing and secure terminal engagement, making this Denso 671-6278 a practical replacement for aging ignition leads on Mercedes-Benz C240, C320, CLK320, E320, ML320, and related applications.
This part cross-references NGK EUC071 and Bosch 09848 for the same application.
Vehicle Fitment
- Fits 2005-2007 Chrysler Crossfire, N/A
- Fits 2006 Mercedes-Benz S350, N/A
- Fits 2001-2005 Mercedes-Benz C240, N/A
- Fits 2001-2005 Mercedes-Benz C320, N/A
- Fits 1998-2005 Mercedes-Benz CLK320, N/A
- Fits 1998-2005 Mercedes-Benz E320, N/A
- Fits 2003-2005 Mercedes-Benz ML350, N/A
- Fits 2002-2004 Mercedes-Benz C32 AMG, N/A
- Fits 2002-2004 Mercedes-Benz SLK32 AMG, N/A
- Fits 2001-2004 Mercedes-Benz SLK320, N/A
- Fits 1998-2003 Mercedes-Benz ML320, N/A
- Fits 1998-2000 Mercedes-Benz C280, N/A
Installation Notes and Tips
Verify wire routing against the original layout before removal, and match each lead to the correct cylinder and coil/distributor connection. Confirm terminal style, boot angle, and 7mm diameter before installation on Mercedes-Benz ignition systems.
Quality Assurance
Denso First Time Fit ignition wire sets are engineered to OE/OES standards and are built to replicate factory-installed wire set characteristics for consistent service replacement.
| Year | Make | Model | Submodel | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2007 | Chrysler | Crossfire | — | — | N/A | 7mm |
| 2006 | Chrysler | Crossfire | — | — | N/A | 7mm |
| 2006 | Mercedes-Benz | S350 | — | — | N/A | 7mm |
| 2005 | Chrysler | Crossfire | — | — | N/A | 7mm |
| 2005 | Mercedes-Benz | C240 | — | — | N/A | 7mm |
| 2005 | Mercedes-Benz | C320 | — | — | N/A | 7mm |
| 2005 | Mercedes-Benz | CLK320 | — | — | N/A | 7mm |
| 2005 | Mercedes-Benz | E320 | — | — | N/A | 7mm |
| 2005 | Mercedes-Benz | ML350 | Base | — | N/A | 7mm |
| 2004 | Mercedes-Benz | C240 | — | — | N/A | 7mm |
| 2004 | Mercedes-Benz | C32 AMG | — | — | N/A | 7mm |
| 2004 | Mercedes-Benz | C320 | Base | GAS | N/A | 7mm |
| 2004 | Mercedes-Benz | CLK320 | — | — | N/A | 7mm |
| 2004 | Mercedes-Benz | E320 | — | — | N/A | 7mm |
| 2004 | Mercedes-Benz | ML350 | Base | — | N/A | 7mm |
| 2004 | Mercedes-Benz | SLK32 AMG | — | — | N/A | 7mm |
| 2004 | Mercedes-Benz | SLK320 | — | — | N/A | 7mm |
| 2003 | Mercedes-Benz | C240 | — | — | N/A | 7mm |
| 2003 | Mercedes-Benz | C32 AMG | — | — | N/A | 7mm |
| 2003 | Mercedes-Benz | C320 | Base | — | N/A | 7mm |
| 2003 | Mercedes-Benz | CLK320 | — | — | N/A | 7mm |
| 2003 | Mercedes-Benz | E320 | — | — | N/A | 7mm |
| 2003 | Mercedes-Benz | ML320 | — | — | N/A | 7mm |
| 2003 | Mercedes-Benz | ML350 | — | — | N/A | 7mm |
| 2003 | Mercedes-Benz | SLK32 AMG | — | — | N/A | 7mm |
| 2003 | Mercedes-Benz | SLK320 | — | — | N/A | 7mm |
| 2002 | Mercedes-Benz | C240 | Base | — | N/A | 7mm |
| 2002 | Mercedes-Benz | C32 AMG | — | — | N/A | 7mm |
| 2002 | Mercedes-Benz | C320 | Base | — | N/A | 7mm |
| 2002 | Mercedes-Benz | CLK320 | — | — | N/A | 7mm |
| 2002 | Mercedes-Benz | E320 | — | — | N/A | 7mm |
| 2002 | Mercedes-Benz | ML320 | — | — | N/A | 7mm |
| 2002 | Mercedes-Benz | SLK32 AMG | — | — | N/A | 7mm |
| 2002 | Mercedes-Benz | SLK320 | — | — | N/A | 7mm |
| 2001 | Mercedes-Benz | C240 | Base | — | N/A | 7mm |
| 2001 | Mercedes-Benz | C320 | Base | — | N/A | 7mm |
| 2001 | Mercedes-Benz | CLK320 | — | — | N/A | 7mm |
| 2001 | Mercedes-Benz | E320 | — | — | N/A | 7mm |
| 2001 | Mercedes-Benz | ML320 | — | — | N/A | 7mm |
| 2001 | Mercedes-Benz | SLK320 | — | — | N/A | 7mm |
| 2000 | Mercedes-Benz | C280 | Base | — | N/A | 7mm |
| 2000 | Mercedes-Benz | CLK320 | — | — | N/A | 7mm |
| 2000 | Mercedes-Benz | E320 | — | — | N/A | 7mm |
| 2000 | Mercedes-Benz | ML320 | — | — | N/A | 7mm |
| 1999 | Mercedes-Benz | C280 | Base | — | N/A | 7mm |
| 1999 | Mercedes-Benz | CLK320 | — | — | N/A | 7mm |
| 1999 | Mercedes-Benz | E320 | — | — | N/A | 7mm |
| 1999 | Mercedes-Benz | ML320 | — | — | N/A | 7mm |
| 1998 | Mercedes-Benz | C280 | — | — | N/A | 7mm |
| 1998 | Mercedes-Benz | CLK320 | — | — | N/A | 7mm |
| 1998 | Mercedes-Benz | E320 | — | — | N/A | 7mm |
| 1998 | Mercedes-Benz | ML320 | — | — | N/A | 7mm |
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