23-21 Ford Bronco L4-2.3L, Air Conditioning. 86-85 GMC S15 V6-2.8L, Fan, Alternator and Air Pump. 23-21 Ford Bronco L4-2.3L, Power Steering. 86-85 Chevrolet S10 V6-2.8L, Fan, Alternator and Air Pump. 1986 Chevrolet S10 Blazer V6-2.8L, Fan, Alternator and Air Pump.