Photo 1 of Secondary Air Injection Pump Smog Pump Compatible With Chevry & G-MC and Pontiac Firebird 1987-1993, 6 or 8 Cyl 4.3L 5.0L 5.7L, Replaces 7849167 7832904 7849163 53005087

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Photo 1 of Secondary Air Injection Pump Smog Pump Compatible With Chevry & G-MC and Pontiac Firebird 1987-1993, 6 or 8 Cyl 4.3L 5.0L 5.7L, Replaces 7849167 7832904 7849163 53005087Photo 2 of Secondary Air Injection Pump Smog Pump Compatible With Chevry & G-MC and Pontiac Firebird 1987-1993, 6 or 8 Cyl 4.3L 5.0L 5.7L, Replaces 7849167 7832904 7849163 53005087Photo 3 of Secondary Air Injection Pump Smog Pump Compatible With Chevry & G-MC and Pontiac Firebird 1987-1993, 6 or 8 Cyl 4.3L 5.0L 5.7L, Replaces 7849167 7832904 7849163 53005087