CAT 3406E Jake/Engine Brake$300.00
$300.00
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844-553-4787
Great Plains Truck Parts
28023 Boondocks Ave
WORTHING, SD 57077
Tag #: 473 
OEM #: MODEL 340 
SOLD AS SINGLE JAKE HEAD, 5EK engines with S/N up to 01820 were fitted with Model 340 engine brakes