Fits For Yamaha 1988-up G2/G9 Golf Carts. NGK spark plug. NGK #BR4ES. Alternate and OEM Reference Numbers: NGK-BR4ES-00, SPK0BR4ES, BR4ES, PRT-2815, 342, BR4ESO NGK spark plug. NGK #BR4ES. For Yamaha 1988-up G2/G9 Golf Carts. This is a hotter plug than the Part Number 2810. Alternate and OEM Reference Numbers: NGK-BR4ES-00, SPK0BR4ES, BR4ES, PRT-2815, 342, br4es0, BR4ESO, NGK-BR4ES-00