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Denso 671-6042 Spark Plug Wire Set
| Brand | Denso 671-6042 |
|---|---|
| Distributor Coil End Terminal Type | Female |
| Insulation Outside Diameter | 7.00 |
| Spark Plug Boot Material | Silicone |
| Spark Plug End Boot Degree | 180 |
| Spark Plug End Boot Quantity Straight | 6 |
| Spark Plug End Terminal Type | FEMALE |
| Product line | 7mm |
| Fits | Buick and Oldsmobile · 9 vehicles |
OE-style replacement. Matches factory form, fit, color, and performance.
Silicone boots. Help resist heat and maintain reliable ignition performance.
7mm wire design. A slim profile for clean routing and consistent spark delivery.
Cross-references ACDelco 726D, ACDelco 746M and Airtex 2X1082 for the same application. See all 17.
Denso 671-6042 Spark Plug Wire Set
Denso 671-6042 is a 7mm spark plug wire set built to match factory-installed wire sets in form, fit, color, and performance. It is a direct replacement for select Buick Century and Oldsmobile Cutlass applications, with OE-style construction for consistent ignition transfer.
Key Features
- 7mm insulation outside diameter for OE-style wire routing and fit
- Silicone spark plug boot material for heat resistance and durability
- Female spark plug end terminal type
- 180-degree spark plug end boot design
- Distributor/coil end terminal type: female
- Built to meet or exceed OE/OES standards
Product Details
The Denso First Time Fit line focuses on exact replacement characteristics, and the 671-6042 follows that approach for ignition service. This spark plug wire set is made for direct-fit replacement on 1994-1996 Buick Century, 1993-1994 Oldsmobile Cutlass Supreme, 1994 Oldsmobile Cutlass Ciera, 1994 Oldsmobile Cutlass Cruiser, and 1995-1996 Oldsmobile Cutlass Ciera applications. If you are searching for a Denso 671-6042 spark plug wire set for a 1994 Buick Century or a 1994 Oldsmobile Cutlass Supreme, this part matches the listed OE-style application requirements.
This part cross-references ACDelco 726D and Bosch 09720 for the same application.
Common Issues This Part Can Address
- Misfires caused by worn or damaged ignition wires
- Hard starting related to weak spark delivery
- Rough idle from inconsistent ignition transfer
- Voltage leakage from cracked or heat-aged wire insulation
- Driveability problems tied to deteriorated plug wire boots
Installation Notes and Tips
Match each wire to the original routing before removal to avoid cross-firing. Inspect the distributor and spark plug terminals for corrosion, carbon tracking, or looseness before installation. Confirm the 180-degree boot orientation and female terminal ends align with the vehicle’s ignition layout for proper seating.
Quality Assurance
Denso First Time Fit ignition wire sets are engineered to mirror factory-installed specifications and are manufactured to OE/OES-level standards for fit and performance. The 7mm construction and silicone boot material support dependable ignition service in the listed Buick and Oldsmobile applications.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1996 | Buick | Century | N/A | 7mm |
| 1996 | Oldsmobile | Cutlass Ciera | N/A | 7mm |
| 1995 | Buick | Century | N/A | 7mm |
| 1995 | Oldsmobile | Cutlass Ciera | N/A | 7mm |
| 1994 | Buick | Century | N/A | 7mm |
| 1994 | Oldsmobile | Cutlass Ciera | N/A | First Design; 7mm |
| 1994 | Oldsmobile | Cutlass Cruiser | N/A | First Design; 7mm |
| 1994 | Oldsmobile | Cutlass Supreme | N/A | FIrst Design; 7mm |
| 1993 | Oldsmobile | Cutlass Supreme | N/A | 7mm |
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