Option reference

R11/R21/R31 Radio and rear-speaker choices

comfort · optional

1974 Gold Duster interior showing period upholstery context; Gold Duster trim and the disclosed aftermarket steering wheel and eight-track player are not Duster 360 standard equipment 1974 Plymouth Duster 360

Reference Details

Availability: optional
Category: comfort
Code: R11/R21/R31
Confidence: documented
Notes: Extra-cost Music Master AM or AM/FM radio and rear-seat speaker; the rear speaker was unavailable with the Space Duster folding-seat package.

Cars With This Option

1 linked car page.

1974 Plymouth

1974 Plymouth Duster 360

VS29L4 Duster 360 two-door sport coupe

Sources & Documentation

Plymouth Division via The 1970 Hamtramck Registry 1974 Plymouth dealership data book - Valiant and Duster