Gas Cap A Body 1971 Shallow Vented / ECS Aftermarket

MMR-0045  Gas Cap A Body 1971 Shallow Vented / ECS Aftermarket

Fits most 1971 cars with "Vapor Saver" or "ECS" (indicated by 4 vent lines going to the tank"

Reproduction fuel cap for 1971 Dodge & Plymouth A-Body models. Each cap is manufactured to correct factory specifications replicating the original in design, appearance, and fitment. This is a vented cap comes that comes Black in color. For models with ECS (Evaporative Control System) also known as EEC (Evaporative Emission Control).

To determine if your vehicle had ECS originally look at the passenger side of the tank for various tubes sticking out of the tank and look for an expansion chamber inside the tank. If your vehicle's has these tubes and expansion chamber, then your car is with ECS (also referred to as EEC) and this cap should fit and function properly. If your car does have EEC/ECS, then your car will require part # MMR-1241,MMR-1243,MMR-1244 fuel cap.