INTERIOR TRIM SEAT BELTS GM50 Mm I II II 1977 SEAT I DELUXEI BELT BUCKLES gy I I I II vmvi COVERED I I K 4 I I BUCKLE TypE 4 f I I r III j V I Z VINYL I I I 55f y j 4 w I D5 Yi Vg IW g g 5 X II O II TYPE 2 I TYPE 5 IIIIIIIII 4 I I 77I if tl v r pl MI if V I I I I r fN 4 I I ES Iijyte I I 1 p I I Z e I TYPE 3 E W BLUE STANDARD N SILVER DELUXE y II Ea E IQ I EE TYPE 6 kg I gg iT Y Ewa I fI i f iEdI I This illustration provides visual identification of the various types of production installed seat belts The best distinguishing feature is the configuration of the metal D ring that inserts into the buckle The different buckle designs can also be utilized in conjunction with their respective D ring to correctly identify the seat belt type Not all types are available on each model therefore they are only identified where applicable on the following charts o 1987 c EIIEI IAt morons SERVICE PARTS OPEFlATIONS OLDSMOBILE 31 14 000 GROUP 14 10 C REV 7 87