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Denso 671-8029 Spark Plug Wire Set
Reliable Ignition Wire Set for Buick, Chevrolet, Oldsmobile, and Pontiac
The Denso 8mm Spark Plug Wire Set (Part Number 671-8029) is designed to deliver consistent ignition performance for a range of classic and modern vehicles. Engineered with durable silicone boots and precise terminal configurations, this set ensures reliable spark delivery for optimal engine operation.
- Silicone spark plug boot material for heat resistance and durability
- 8.00 mm insulation outside diameter for effective electrical insulation
- Female distributor coil end terminals for secure connections
- 180-degree spark plug end boot angle to fit tight engine compartments
- Includes 8 straight spark plug end boots for complete wire set replacement
Detailed Features of the Denso 8mm Spark Plug Wire Set
This spark plug wire set features silicone boots that provide excellent resistance to heat, oil, and chemicals, extending the life of the ignition wires. The 8.00 mm insulation diameter balances flexibility with protection against electrical interference. Both the distributor coil end and spark plug end terminals use female connectors, ensuring a snug and reliable fit. The 180-degree angle of the spark plug end boots allows for easier routing in engines with limited space. This set includes eight straight spark plug end boots, making it suitable for vehicles requiring a full ignition wire replacement.
About the Denso 8mm Brand Line
The Denso 8mm brand line focuses on ignition wire sets with an 8.00 mm insulation diameter, providing a balance of durability and performance. This line is engineered to meet the specific electrical and mechanical demands of various GM vehicles, including Buick, Chevrolet, Oldsmobile, and Pontiac models. The 8mm insulation helps reduce radio frequency interference while maintaining flexibility for installation in tight engine bays.
Compatible Vehicles and Common Applications
- Buick models such as LeSabre, Century, and Skylark
- Chevrolet models including Malibu, Monte Carlo, and GTO
- Oldsmobile models like Delta 88, Cutlass, and 88
- Pontiac models including Firebird, Grand Am, and Grand Prix
- Addresses ignition issues such as misfires, rough idling, and poor acceleration
Installation Notes and Tips
- Ensure engine is cool before installation to avoid damage to boots and terminals
- Match wire lengths carefully to original set for proper routing
- Check for secure connections at both spark plug and distributor coil ends
- Inspect boots for any signs of wear or damage before installation
- Use dielectric grease on boots to improve seal and ease future removal
Quality Assurance and Warranty
Denso ignition wire sets are manufactured to meet OEM specifications for fit and function. The use of high-quality silicone and precise terminal design supports long-term reliability. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship to ensure customer confidence in performance.
| Brand | Denso |
| Part Number | 671-8029 |
| Position | 8mm |
| Distributor Coil End Terminal Type | Female |
| Insulation Outside Diameter | 8.00 |
| Spark Plug Boot Material | Silicone |
| Spark Plug End Boot Degree | 180 |
| Spark Plug End Boot Quantity Straight | 8 |
| Spark Plug End Terminal Type | FEMALE |
This part fits 75 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1981 | Buick | Century | N/A | 8mm |
| 1981 | Buick | Regal | N/A | 8mm |
| 1981 | Pontiac | Bonneville | N/A | 8mm |
| 1981 | Pontiac | Catalina | N/A | 8mm |
| 1981 | Pontiac | Firebird | N/A | 8mm |
| 1981 | Pontiac | Grand LeMans | N/A | 8mm |
| 1981 | Pontiac | Grand Prix | N/A | 8mm |
| 1981 | Pontiac | LeMans | N/A | 8mm |
| 1980 | Buick | Century | N/A | 8mm |
| 1980 | Buick | LeSabre | N/A | 8mm |
| 1980 | Buick | Regal | N/A | 8mm |
| 1980 | Pontiac | Bonneville | N/A | 8mm |
| 1980 | Pontiac | Catalina | N/A | 8mm |
| 1980 | Pontiac | Firebird | N/A | 8mm |
| 1980 | Pontiac | Grand Am | N/A | 8mm |
| 1980 | Pontiac | Grand LeMans | N/A | 8mm |
| 1980 | Pontiac | Grand Prix | N/A | 8mm |
| 1980 | Pontiac | LeMans | N/A | 8mm |
| 1979 | Buick | Century | N/A | 8mm |
| 1979 | Buick | LeSabre | N/A | 8mm |
| 1979 | Buick | Regal | N/A | 8mm |
| 1979 | Oldsmobile | Delta 88 | N/A | 8mm |
| 1979 | Pontiac | Bonneville | N/A | 8mm |
| 1979 | Pontiac | Catalina | N/A | 8mm |
| 1979 | Pontiac | Firebird | N/A | 8mm |
| 1979 | Pontiac | Grand Am | N/A | 8mm |
| 1979 | Pontiac | Grand LeMans | N/A | 8mm |
| 1979 | Pontiac | Grand Prix | N/A | 8mm |
| 1979 | Pontiac | LeMans | N/A | 8mm |
| 1978 | Buick | LeSabre | N/A | 8mm |
| 1978 | Pontiac | Bonneville | N/A | 8mm |
| 1978 | Pontiac | Catalina | N/A | 8mm |
| 1978 | Pontiac | Firebird | N/A | 8mm |
| 1978 | Pontiac | Grand Am | N/A | 8mm |
| 1978 | Pontiac | Grand Prix | N/A | 8mm |
| 1977 | Buick | LeSabre | N/A | 8mm |
| 1977 | Buick | Skylark | N/A | 8mm |
| 1977 | Pontiac | Bonneville | N/A | 8mm |
| 1977 | Pontiac | Catalina | N/A | 8mm |
| 1977 | Pontiac | Firebird | N/A | 8mm |
| 1977 | Pontiac | Grand LeMans | N/A | 8mm |
| 1977 | Pontiac | Grand Prix | N/A | 8mm |
| 1977 | Pontiac | Laurentian | N/A | 8mm |
| 1977 | Pontiac | LeMans | N/A | 8mm |
| 1977 | Pontiac | Parisienne | N/A | 8mm |
| 1976 | Chevrolet | Malibu | N/A | 8mm |
| 1976 | Chevrolet | Monte Carlo | N/A | 8mm |
| 1976 | Pontiac | Bonneville | N/A | 8mm |
| 1976 | Pontiac | Catalina | N/A | 8mm |
| 1976 | Pontiac | Firebird | N/A | 8mm |
| 1976 | Pontiac | Grand LeMans | N/A | 8mm |
| 1976 | Pontiac | Grand Prix | N/A | 8mm |
| 1976 | Pontiac | Laurentian | N/A | 8mm |
| 1976 | Pontiac | LeMans | N/A | 8mm |
| 1976 | Pontiac | Parisienne | N/A | 8mm |
| 1975 | Pontiac | Bonneville | N/A | 8mm |
| 1975 | Pontiac | Catalina | N/A | 8mm |
| 1975 | Pontiac | Firebird | N/A | 8mm |
| 1975 | Pontiac | Grand Am | N/A | 8mm |
| 1975 | Pontiac | Grand LeMans | N/A | 8mm |
| 1975 | Pontiac | Grand Prix | N/A | 8mm |
| 1975 | Pontiac | LeMans | N/A | 8mm |
| 1974 | Pontiac | Bonneville | N/A | w/ HEI; 8mm |
| 1974 | Pontiac | Catalina | N/A | w/ HEI; 8mm |
| 1974 | Pontiac | Firebird | N/A | w/ HEI; 8mm |
| 1974 | Pontiac | Grand Am | N/A | w/ HEI; 8mm |
| 1974 | Pontiac | Grand Prix | N/A | w/ HEI; 8mm |
| 1974 | Pontiac | LeMans | N/A | w/ HEI; 8mm |
| 1973 | Pontiac | Bonneville | N/A | w/ HEI; 8mm |
| 1973 | Pontiac | Catalina | N/A | w/ HEI; 8mm |
| 1973 | Pontiac | Firebird | N/A | w/ HEI; 8mm |
| 1973 | Pontiac | Grand Am | N/A | w/ HEI; 8mm |
| 1973 | Pontiac | Grand Prix | N/A | w/ HEI; 8mm |
| 1973 | Pontiac | GTO | N/A | 8mm |
| 1973 | Pontiac | LeMans | N/A | w/ HEI; 8mm |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.