1970-71 Mopar: Fuel Sending Unit Assembly Tag Year & Application::1970-71: B-Body Vehicles w/ 3/8" Sending Units (Chrysler #3404975) They were used to identify

They were used to identify which axle gear ratio was installed at the assembly plant

In 1969 -1970 Dearborn cars it was located on the right side in the upper middle area

SPARK PLUG WIRE ID TAGS FOR LEFT & RIGHT BANK OF ENGINE

-   CDT10-298: 1969-71 Chrysler Vehicles - 29th Week of 1968

These dry transfers are exact reproductions of the original green stamping that were found on Chrysler ignition coils

1970-71 Mopar: Fuel Sending Unit Assembly Tag Year & Application::1970-71: B-Body Vehicles w/ 3/8" Sending Units (Chrysler #3404975) They were used to identifyThis federal safety tag identifies the fuel sending unit that was used in a particular vehicle. Application depends on engine size and vehicle model. The tag is located on the return vent line on the fuel sending unit. The 2 inch KV hose was slipped on the return line (over the tag) and clamped into place.