Thread diameter: 14mm
Thread reach: 9.5mm
Seat type: flat
Hex size: 21mm
Tip configuration: projected
Construction: Standard construction
Terminal type: Solid
Replaces Bosch: HR10BCZ, WR10FCY, WR10FCZ, WR10FY, WR11F, WR9FCY, WR9FCZ, WR9FPY, WR9FPZ, WR9FY
NGK: BPR4S-15, BPR4S-20, BPR4S15, BPR4S20, XR45, XR45IX, XR45VX