Is your GMC S15 Jimmy in need of maintenance? Let us help. 1991 GMC S15 Jimmy SLE GAS 4.3 V 6 Transmission Automatic 4 Replacement parts at near wholesale prices.  We have GMC technicians on hold ready to take your calls and help you place an order. Is your S15 Jimmy no longer in production? No Worries! We can help you maintain it like new! Ask us how!