DifferentialSpecial Vehicle InformationVehicleEngine TypeLiterCIDFuel TypeFuel DeliveryFuel ConfigAspirationProduct NoteBUICK1988-1989 ELECTRA ESTATE WAGONV85.0307GASCARB4BBLN* GM 8.5/8.6 in. Eaton Differentials Require Special Bearings* Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]* Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]AXLE:Rear 8.5 in. (10 Bolt)1988-1990 LESABRE ESTATE WAGONV85.0307GASCARB4BBLN* GM 8.5/8.6 in. Eaton Differentials Require Special Bearings* Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]* Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]AXLE:Rear 8.5 in. (10 Bolt)1991 ROADMASTER V85.0305GASFITBIN* GM 8.5/8.6 in. Eaton Differentials Require Special Bearings* Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]* Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]AXLE:Rear 8.5 in. (10 Bolt)1994-1996 ROADMASTER V85.7350GASFIMFIN* GM 8.5/8.6 in. Eaton Differentials Require Special Bearings* Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]* Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]AXLE:Rear 8.5 in. (10 Bolt)1992-1993 ROADMASTER V85.7350GASFITBIN* GM 8.5/8.6 in. Eaton Differentials Require Special Bearings* Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]* Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]AXLE:Rear 8.5 in. (10 Bolt)1991 ROADMASTER ESTATEV85.0305GASFITBIN* GM 8.5/8.6 in. Eaton Differentials Require Special Bearings* Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]* Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]AXLE:Rear 8.5 in. (10 Bolt)1994-1995 ROADMASTER ESTATEV85.7350GASFIMFIN* GM 8.5/8.6 in. Eaton Differentials Require Special Bearings* Axles w/Small Bearing Bores OD 2.89 in. Req. PN[LM-102949/LM-102911]* Axles w/Large Bearing Bores OD 3.06 in. Req. PN[LM603049/LM603012]AXLE:Rear 8.5 in.