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Bosch 7579 Spark Plug
Reliable Ignition Performance for Select Buick and Ford Models
The Bosch Nickel 7579 spark plug is engineered to deliver consistent ignition performance for a range of Buick, Ford, Mercury, Oldsmobile, and Pontiac vehicles. Designed with a ceramic insulator and a tapered seat, this spark plug ensures proper fit and reliable operation in compatible engines.
- Resistance: 6000 ohms for effective electrical noise suppression
- Standard ground electrode tip and configuration for dependable spark delivery
- Removable nut electrical terminal type for ease of connection
- Pre-gap size of 1 mm optimized for ignition efficiency
- Hex size of 16 mm for standard installation tools
- Manufacturer heat range of 9 suitable for specific engine requirements
- Tapered seat type ensuring secure fitment
- Ceramic insulator material with non-projected insulator type for durability
- Reach length of 17.5 mm compatible with designated engine designs
- Single ground electrode for consistent spark generation
- Designed for 4-cycle engines
About the Bosch Nickel Spark Plug Line
The Bosch Nickel product line focuses on delivering reliable ignition components with nickel alloy electrodes. This line balances durability and cost-effectiveness, making it suitable for a variety of secondary ignition applications. The 7579 spark plug benefits from this design approach, providing stable performance in compatible Buick, Ford, Mercury, Oldsmobile, and Pontiac models.
Detailed Product Description
The Bosch Nickel 7579 spark plug features a 6000 ohm resistor to reduce electromagnetic interference, protecting sensitive electronic systems in your vehicle. Its standard ground electrode tip and configuration ensure a consistent spark, while the removable nut terminal type allows for straightforward electrical connections. The ceramic insulator and tapered seat design contribute to heat resistance and proper sealing within the combustion chamber. With a heat range of 9 and a reach of 17.5 mm, this spark plug is engineered to meet the specific ignition needs of select 4-cycle engines.
Compatible Vehicles and Common Applications
- Buick models including Century, LeSabre, Riviera, Skylark, and more
- Ford trucks and cars such as F-100, Mustang, Ranger, and Tempo
- Mercury vehicles including Cougar, Marquis, and Topaz
- Oldsmobile models like Cutlass Calais, Cutlass Ciera, and Delta 88
- Pontiac models including Bonneville, Grand Am, and Firebird
Common Issues Addressed by Bosch 7579 Spark Plug
- Engine misfires and rough idling
- Difficulty starting the engine
- Poor fuel efficiency due to incomplete combustion
- Reduced engine power and acceleration
- Electrical interference affecting onboard electronics
Installation Notes and Tips
Ensure the spark plug gap is set to the specified 1 mm pre-gap before installation. Use a 16 mm socket wrench for proper tightening to avoid damage to the tapered seat. The removable nut terminal type facilitates easy connection to ignition wires. Always verify compatibility with your vehicle’s make and model to ensure optimal fit and performance.
Quality Assurance and Warranty
Bosch spark plugs are manufactured to meet strict quality standards, ensuring reliable ignition performance. The Nickel 7579 spark plug includes a resistor to minimize electrical noise and is constructed with durable ceramic insulators. While specific warranty details are not provided, Bosch products typically adhere to industry quality assurance practices.
| Brand | Bosch |
| Part Number | 7579 |
| Position | Nickel |
| Resistance | 6000 |
| Ground Electrode Tip Design | Standard |
| Ground Configuration | Standard |
| Electrical Terminal Type | Removable nut |
| Pre-Gap Size | 1 |
| Ground Electrode Quantity | 1 |
| Hex Size | 16 |
| Manufacturer Heat Range | 9 |
| Seat Type | Tapered |
| Reach | 17.5 |
| Insulator Material | Ceramic |
| Automotive Item Weight (lbs) | 0.083776 lb |
| Insulator Type | Non-projected |
| Outdoor Power Equipment Application | No |
| Package Contents | Spark plug |
| Package Quantity | 1 |
| Resistor | Yes |
| Short Style | No |
| Spark Plug Type | 4-cycle |
This part fits 52 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1988 | Buick | Century | 3.8L | V6 | N/A | Nickel |
| 1988 | Buick | LeSabre | 3.8L | V6 | N/A | Nickel |
| 1988 | Buick | Skylark | 3.0L | V6 | N/A | Nickel |
| 1988 | Ford | Ranger | 2.0L | L4 | N/A | Nickel |
| 1988 | Oldsmobile | Cutlass Calais | 3.0L | V6 | N/A | Nickel |
| 1988 | Oldsmobile | Cutlass Ciera | 3.8L | V6 | N/A | Nickel |
| 1988 | Oldsmobile | Cutlass Cruiser | 3.8L | V6 | N/A | Nickel |
| 1988 | Oldsmobile | Delta 88 | 3.8L | V6 | N/A | Nickel |
| 1988 | Pontiac | Bonneville | 3.8L | V6 | N/A | Nickel |
| 1987 | Buick | Century | 3.8L | V6 | N/A | Nickel |
| 1987 | Buick | LeSabre | 3.8L | V6 | N/A | Nickel |
| 1987 | Buick | Riviera | 3.8L | V6 | N/A | Nickel |
| 1987 | Buick | Skylark | 3.0L | V6 | N/A | Nickel |
| 1987 | Ford | Ranger | 2.0L | L4 | N/A | Nickel |
| 1987 | Ford | Tempo | 2.3L | L4 | N/A | Nickel |
| 1987 | Mercury | Topaz | 2.3L | L4 | N/A | Nickel |
| 1987 | Oldsmobile | 98 | 3.8L | V6 | N/A | Nickel |
| 1987 | Oldsmobile | Calais | 3.0L | V6 | N/A | Nickel |
| 1987 | Oldsmobile | Cutlass Ciera | 3.8L | V6 | N/A | Nickel |
| 1987 | Oldsmobile | Cutlass Cruiser | 3.8L | V6 | N/A | Nickel |
| 1987 | Oldsmobile | Delta 88 | 3.8L | V6 | N/A | Nickel |
| 1987 | Oldsmobile | Toronado | 3.8L | V6 | N/A | Nickel |
| 1987 | Pontiac | Bonneville | 3.8L | V6 | N/A | Nickel |
| 1987 | Pontiac | Grand Am | 3.0L | V6 | N/A | Nickel |
| 1986 | Buick | Century | 3.8L | V6 | N/A | Nickel |
| 1986 | Buick | LeSabre | 3.8L | V6 | N/A | Nickel |
| 1986 | Buick | Riviera | 3.8L | V6 | N/A | Nickel |
| 1986 | Buick | Skylark | 3.0L | V6 | N/A | Nickel |
| 1986 | Ford | Ranger | 2.0L | L4 | N/A | Nickel |
| 1986 | Ford | Tempo | 2.3L | L4 | N/A | Nickel |
| 1986 | Mercury | Topaz | 2.3L | L4 | N/A | Nickel |
| 1986 | Oldsmobile | 98 | 3.8L | V6 | N/A | Nickel |
| 1986 | Oldsmobile | Calais | 3.0L | V6 | N/A | Nickel |
| 1986 | Oldsmobile | Cutlass Ciera | 3.8L | V6 | N/A | Nickel |
| 1986 | Oldsmobile | Delta 88 | 3.8L | V6 | N/A | Nickel |
| 1986 | Oldsmobile | Toronado | 3.8L | V6 | N/A | Nickel |
| 1986 | Pontiac | Grand Am | 3.0L | V6 | N/A | Nickel |
| 1985 | Ford | Ranger | 2.0L | L4 | N/A | Nickel |
| 1985 | Ford | Tempo | 2.3L | L4 | N/A | Nickel |
| 1985 | Mercury | Topaz | 2.3L | L4 | N/A | Nickel |
| 1985 | Oldsmobile | Calais | 3.0L | V6 | N/A | Nickel |
| 1985 | Pontiac | Grand Am | 3.0L | V6 | N/A | Nickel |
| 1984 | Ford | Tempo | 2.3L | L4 | N/A | Nickel |
| 1984 | Mercury | Topaz | 2.3L | L4 | N/A | Nickel |
| 1983 | Ford | F-100 | 3.8L | V6 | N/A | Nickel |
| 1983 | Ford | LTD | 3.8L | V6 | N/A | Nickel |
| 1983 | Ford | Mustang | 3.8L | V6 | N/A | Nickel |
| 1983 | Ford | Thunderbird | 3.8L | V6 | N/A | Nickel |
| 1983 | Mercury | Capri | 3.8L | V6 | N/A | Nickel |
| 1983 | Mercury | Cougar | 3.8L | V6 | N/A | Nickel |
| 1983 | Mercury | Marquis | 3.8L | V6 | N/A | Nickel |
| 1982 | Ford | F-100 | 3.8L | V6 | N/A | Nickel |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.