Water Circulating Pump replaces MerCruiser part # 850399-1
Fits Both Metal and Composite Timing Chain Cover. Chevy V6 and V8 small block. 229 CID-3.8 LITRE, 262 CID-4.3 LITRE, 305 CID-5.0 LITRE, 350 CID-5.7 LITRE
 
Features Include:
Machined Brass Impeller
Bi-Directional & Balanced
Stainless Steel Seal Cup & Spring
Stainless Steel Backing Plate
Epoxy Painted Pump Housing
Stainless Banded Ceramic Seal Sea