Quick view Water Pump 2.3L 1987 Isuzu Trooper - WP300.19 Water Pump 2.3L 1987 Isuzu Trooper - WP300.19 Water Pump . Fits: 86-95 Isuzu / Pickup, Amigo, Impulse, Trooper 2.3L L4 SOHC Naturally AspiratedFitment Notes: PremiumProduct Information Warranty Type: 1 year or 12,000-mile limited warranty Part... MSRP: Was: Now: $31.97 Add to Cart Compare