BOSCH Spark Plug Description
Heavy duty yttrium-enhanced center electrode with copper core provides superior reliability and durability. Nickel chromium ground electrode assists in cold weather starts and provides increased ignitability. Nickel-plated rolled threads provide anti-seize and corrosion protection. Metal glass fused resistor gives maximum interference suppression. Angular, 5-rib insulator design prevents flashover.
Benefits of Choosing the Denso W20MUS Spark Plug:
- Smooth and stable engine operation
- Low fuel consumption
- Long service life
- High quality workmanship
- Precise fit
Product Specification
Shell
|
|
Thread Diameter |
14mm |
Thread Pitch |
1.25mm |
Seat Type |
Gasket |
Reach |
9.5mm (3/8″) |
Hex Size |
3/4″ (19mm) |
Terminal Type |
Removable Nut |
Gap |
.020″ (0.5mm) |
Center Electrode
|
|
Material |
Nickel |
Type |
Standard |
Size |
2.5mm |
Projection |
Projected |
Ground Electrode
|
|
Material |
Nickel |
Type |
Cut Back |
Quantity |
1 |
Specifications
|
|
Resistor |
Yes |
Resistor Value |
6K Ohm |
Heat Range |
6 |
Torque Specs |
Cast Iron: 15-18 lb. ft. Aluminum: 11-14 lb. ft. |