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NGK 7790 Spark Plug
NGK Laser Platinum Spark Plug Overview
The NGK Laser Platinum Spark Plug 7790 is engineered for reliable ignition performance in Acura CL and TL models. Designed with precision materials and specifications, this spark plug supports efficient combustion and consistent engine operation.
- Part Number: 7790 (Pzfr6e-11)
- Compatible with Acura CL and TL
- Center electrode tip made of platinum for durability
- Nickel core ground electrode with taper cut design
- Pre-gap size of 0.044 inches for optimal spark
- Flat seat type with 14mm thread diameter and 0.75 inch reach
- Non-removable nut electrical terminal type
- Manufacturer heat range rating of 6
Detailed Product Features and Specifications
This NGK spark plug features a copper core center electrode with a platinum tip, enhancing wear resistance and maintaining stable ignition over time. The ground electrode is constructed from nickel with a taper cut design, which helps improve spark exposure and combustion efficiency. The single ground electrode configuration and standard ground setup ensure compatibility with the ignition system of Acura CL and TL vehicles. The spark plug has a pre-gap size of 0.044 inches, which is critical for proper spark generation and engine performance.
The flat seat design and 14mm thread diameter with a 0.75 inch reach provide a secure fit in the engine cylinder head. The insulator height measures 50.50 mm, and the hex size is 5/8 inch, allowing for straightforward installation with common tools. The electrical terminal features a non-removable nut, ensuring a stable connection within the ignition system.
About the NGK Laser Platinum Spark Plug Line
The Laser Platinum Spark Plug line from NGK is designed to offer a balance of durability and performance. By incorporating a platinum tip on the center electrode, these spark plugs provide extended service life compared to standard plugs. This product line is suitable for vehicles requiring precise ignition timing and consistent spark delivery, such as the Acura CL and TL models compatible with part number 7790.
Common Applications and Problem Solving
- Restores proper ignition in Acura CL and TL engines
- Reduces misfires caused by worn or damaged spark plugs
- Improves fuel efficiency by ensuring consistent combustion
- Helps maintain smooth engine idling and acceleration
- Prevents rough starts related to faulty spark plugs
Installation Notes and Tips
- Verify compatibility with Acura CL and TL models before installation
- Use a torque wrench to tighten the spark plug to manufacturer specifications
- Check and adjust the spark plug gap if necessary, maintaining the 0.044 inch pre-gap
- Inspect the ignition coil and wiring for wear during replacement
- Apply anti-seize compound sparingly on threads if recommended by the vehicle manufacturer
Quality Assurance and Warranty
NGK spark plugs, including the Laser Platinum Spark Plug 7790, are manufactured to meet strict quality standards for ignition components. While specific warranty details are not provided here, NGK products typically come with manufacturer-backed quality assurance to ensure reliable performance and durability in compatible Acura CL and TL vehicles.
| Brand | NGK |
|---|---|
| Part Number | 7790 |
| Position | Laser Platinum Spark Plug |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Platinum |
| Electrical Terminal Type | Non-Removable Nut |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Taper Cut |
| Hex Size | 5/8 |
| Insulator Height | 50.50 |
| Manufacturer Heat Range | 6 |
| Part Number | PZFR6E-11 |
| Pre-Gap Size | .044 |
| Reach | .75 |
| Resistance | 5000 |
| Seat Type | Flat |
| Stock Number | 7790 |
| Thread Diameter | 14.00 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2003 | Acura | CL | Type-S | 3.2L | V6 | N/A | Gap 0.044"; OE Manufacturer recommends service interval every 105,000 miles; Laser Platinum Spark Plug |
| 2003 | Acura | TL | Type-S | 3.2L | V6 | N/A | Gap 0.044"; OE Manufacturer recommends service interval every 105,000 miles; Laser Platinum Spark Plug |
| 2002 | Acura | CL | Type-S | 3.2L | V6 | N/A | Gap 0.044"; OE Manufacturer recommends service interval every 105,000 miles; Laser Platinum Spark Plug |
| 2002 | Acura | TL | Type-S | 3.2L | V6 | N/A | Gap 0.044"; OE Manufacturer recommends service interval every 105,000 miles; Laser Platinum Spark Plug |
| 2001 | Acura | CL | Type-S | 3.2L | V6 | N/A | Gap 0.044"; OE Manufacturer recommends service interval every 105,000 miles; Laser Platinum Spark Plug |
* 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.