From our inventory of over 1,000,000 NOS Mopar parts:

This is a new old stock rear motor mount insulator package for 1961-1971 Dodge medium duty trucks.

It fits: 
1961-1968 
D300 D400 D500 w/ 225 ci slant 6 engine
D300 D300 w/ v8 engine

1969-1971
S500 D400 D500 W500 L600 w/ 225 ci slant 6 engine

If there are any questions, please contact us M-F 11am-6pm EST.
From our inventory of over 1,000,000 NOS Mopar parts: This is a new old stock rear motor mount insulator package for 1961-1971 Dodge medium duty trucks. It fits:  1961-1968  D300 D400 D500 w/ 225 ci slant 6 engine D300 D300 w/ v8 engine 1969-1971 S500 D400 D500 W500 L600 w/ 225 ci slant 6 engine If there are any questions, please contact us M-F 11am-6pm EST.