COMPATIBLE MODELS Generator SR4 Engine - Generator Set 3512 3508B 3516 3512B 3508 3516B PM3508 3508C 3512C Petroleum Products 3516B 3512C 3512 3508C 3508B 3512B Engine - Industrial 3508B 3512C 3512B 3512 3508 3516 SR4 Marine Products 3512 3516 3516B 3508B 3512C 3508 3508C 3512B Model: Caterpillar - 3508 GEN SET ENG, 3508 INDUSTRIAL ENGINE, 3508B GEN SET ENG, 3508B INDUSTRIAL ENGINE, 3508C GEN SET ENG, 3512 GEN SET ENG, 3512 INDUSTRIAL ENGINE, 3512 LOCOMOTIVE ENGINE, 3512 NATURAL GAS ENGINE, 3512B GEN SET ENG, 3512B INDUSTRIAL ENGINE, 3512B LOCOMOTIVE ENGINE, 3512C GEN SET ENG, 3516 GEN SET ENG, 3516 INDUSTRIAL ENGINE, 3516B GEN SET ENG, 3516B INDUSTRIAL ENGINE, G3512 NATURAL GAS ENGINE, PM3508 POWER MODULE Replaces: AF26169, P521685, PA2653