Page 176 of GM Performance Parts 2006 Catalog by GM Parts Direct

Aluminum Water Pump, short-style A Aluminum Water Pump, long-style serpentine C NOTE: NOTE: NOTE: Accessory Drive Belts Continued 12497869 Serpentine Accessory Drive Belt System, base system with brackets bolts (not shown) Kit includes pulleys and hardware to install on engine. Does not include water pump, alternator or power steering pump. Belt not included. 9433722 Fan Belt (not shown) Special "captured" belt eliminates need for idler pulley or alternator to maintain proper tension. Use with crankshaft pulley P/N 3858533 and water pump pulley P/N 3770245. The belt runs around crankshaft and water pump only. Water Pumps Components 88894341 Water Pump, long-style (not shown) Late-style cast iron pump with long mounting legs, reinforced snout and 3/4" diameter shaft. The end of the shaft is reduced to 5/8" diameter. Use with 350 HO, 383 and ZZ4 engines. A. 14011012 Aluminum Water Pump, short-style Saves weight over comparable iron pump. Casting has shortstyle mounting legs used on pre-1982 Corvettes. Pump has reinforced snout and a large hub with dual bolt patterns. Pump housing has a boss which can be drilled and tapped for a cam stop. Can be used with the ZZ4 engine with composite front timing cover by exchanging the bolts that hold the rear sheet metal plate to the pump with pan-head bolts P/N 14010976 or equivalent aftermarket bolts. B. 12495826 Aluminum Water Pump, long-style Lightweight pump similar to the one used on the ZZ430 crate engine. Can be used on late-style engines. Will not fit LT1 or LT4 engines. C. 12497986 Aluminum Water Pump, long-style serpentine Reverse-rotation pump for use with late-style 1995-2002 engines with a serpentine belt system, including 90 V-6. Will not fit LT1 or LT4 engines. 174 Aluminum Water Pump, long-style B CHEVY SMALL-BLOCK V-8

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