1987 GMC R3500 equipped with 7.4L V8 Gas OHV, 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 4.8L l6 Gas OHV
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OIL PUMP HOUSING TO CASE O-RING THM400 TRANS Part Qualifier: Automatic Transmission O-Ring
1987 GMC R3500 equipped with 7.4L V8 Gas OHV, 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 4.8L l6 Gas OHV
OIL PUMP HOUSING TO CASE O-RING THM400 TRANS Part Qualifier: Automatic Transmission O-Ring
1 Per Vehicle