Housing to head
O-Ring
Molded Rubber
Browse our selection of quality engine coolant thermostat gasket parts designed specifically for your GMC S15. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · EL · Gypsy · High Sierra · Sierra Classic
Cab & Chassis · Extended Cab Pickup · Standard Cab Pickup
L4 1.9L · L4 2.2L · L4 2.5L · V6 2.8L · V6 4.3L
Automatic · Manual
