4 NGK Spark Plugs - For Mariner 40 2002- Outboard Motor

The NGK 3932 Spark Plug (DCPR7E) is engineered for high-performance outboard motors, delivering cleaner ignition, reduced misfires, and long service life in marine environments.

Features & Benefits:

🔧 Resistor design prevents radio frequency noise
🔧 Copper core ensures excellent conductivity
🔧 Long reach plug supports EFI and 4-stroke applications
🔧 Ideal for Mercury and Honda outboard systems

Specifications:

Brand & Part Number: NGK 3932 DCPR7E
Material: Copper
Thread Size: 12mm
Reach: 19mm (0.75 in.)
Hex Size: 5/8 in. (16mm)
Seat Type: Gasket
Resistor: Yes
Gap: 0.031 in. (0.8mm)

Use NGK DCPR7E to maintain top-tier performance in marine 4-stroke engines—available now!