Chevy V6 and V8 Small Block Water Circulating Pump 850399-1 

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 Seat