NGK PLUG X1 12 ONLY New Old Stock unboxed
Specifications for NGK PFR5G11
- Thread diameter
- 14.0 mm
- Thread reach
- 19 mm
- Hex size
- 16 mm
The NGK PFR5G-11 (Stock No. 2647) is a premium Laser Platinum spark plug commonly applied to European luxury vehicles, notably Mercedes-Benz M112 and M113 engines, as well as various Nissan, Infiniti, and Honda models. It features a 1.1mm gap, 14mm thread diameter, and 19mm reach, offering extended life and superior ignition for petrol engines.
Key Applications & Fitment:
- Primary application, including C-Class (C240, C320), CLK, and R500 (5.0L V8).
- : Compatible with select Dodge, Honda, and Infiniti models.
- Often used in engines requiring a heat range 5 plug with a 1.1 mm gap for optimal performance.
Technical Specifications:
- PFR5G-11 (Stock Number: 2647).
- : Laser welded platinum tip on the center electrode and a platinum pad on the ground electrode.
- 14 mm thread diameter, 19 mm (3/4 inch) reach, 16 mm (5/8 inch) hex size.
- Gasket seat.
- 1.1 mm (factory set).