Air pump, location/task/design/function - GF14.30-P-3100F

ENGINE 104.941 /943 /944 /991 /994

ENGINE 104.995

with CODE (494a) USA version

with CODE (498) as of Model year 1997

Japanese version with CODE (807) Model year 1997 with CODE

(808) Model Year 98

ENGINE 111.951/952

ENGINE 111.961 /974 with CODE (494a) Japan version

ENGINE 112.910 /911 /912 /914 /920 /921 /922 /923 /940 /941 /942 /943 /944 /946 /947 with CODE (494a) USA version with CODE (925) low emission EURO3

with CODE (926) low emission

EURO4

ENGINE 112,113 (except 112.96,113.99) as of 1.6.00

ENGINE 113.940 /941 /942 /943 /960 /961

with CODE (494a) USA version

with CODE (925) low emission EURO3

with CODE (926) low emission EURO4

ENGINE 119.980/981/982/985

with CODE (494a) USA version

with CODE (923a) low emission D3

with CODE (920a) with exhaust air pump (secondary air injection) as of 12/96

ENGINE 120.982/983

ENGINE 137.970

ENGINE 166.940 in MODEL 168.031 /131 with CODE (925) low emission EURO3

ENGINE 166.960 in MODEL 168.031 /033 /133 with CODE (925) low emission EURO3/D4

ENGINE 166.990 in MODEL 168.032 /132 with CODE (925) low emission EURO3/D4

ENGINE 166.995 in MODEL 168.035 /135 with CODE (925) low emission EURO3/D4

Shown on Engine 104,111,119 M33 AIR pump

Fig 1: Identifying Air Pump - Shown On Engine 104,111,119

Air pump position	Engine 104	GF14.30-P-3100-01D
	Engine 111.961/974	GF14.30-P-3100-01G
	Engine 111.951/952 EVO	GF14.30-P-3100-01GS
	Engine 112, 113	GF14.30-P-3100-01A
	EURO3/4 and
	Engine 119 with air injection	GF14.30-P-3100-01E
	Engine 120	GF14.30-P-3100-01F
	Engine 137	GF14.30-P-3100-01L
	Engine 166 with air injection	GF14.30-P-3100-01GC
Air pump task	Pumping air to the exhaust side of the engine; at the same time damping the inlet noise and cleaning the air.
Air pump, design	Engine 104, 111, 112, 113, 119, 137, 166: electrical driven vane cell pump. Engine 104, 120: of poly-V-belt driven vane cell pump. Maintenance-free suction filter
Air pump, function	Engine 104, 111, 112, 113, 119, 137,166: When actuating, the voltage supply of the engine is performed via the air injection relay. Engine 104, 120: When actuating, the electromagnetic clutch air pump is actuated by force.