OEM Grade Sea Water Pump Compatible with 1979-1993 Volvo Penta 430 500 570 740 AQ BB OMC V8 Sterndrive Crankshaft Mounted 3860703 856513 857451 841640 856952 855722 RA057024 RA057023

OEM PART NUMBERS: · Volvo Penta: 3860703 856513 857451 841640 856952 855722 · Pleasure Craft Marine (PCM): RA057024 RA057023 · Indmar: 685001 · Jabsco: 50410-1201 SPECIFICATIONS: · Type: Sea Water Pump (Raw Water Pump) · Mount: Crankshaft Mounted (Harmonic Balancer Drive) · Body: Bronze · Shaft: Stainless Steel · Impeller: 09-812B / 09-812B-1 (1-15/16 depth MC97 Rubber) · Hose Ports: 1-1/4 (31.8mm) Inlet and Outlet · Pump Type: F6B-9 Style · Engine Blocks: GM/Chevy 305/350/454 CID (5.0/5.7/7.4L) Ford 302/351 CID (5.0/5.8L) V8 · Condition: New ⚠️ NOTE: F5B-9 style pump looks similar but uses a smaller impeller (09-1027B 1-1/4 depth). Verify your OEM part number before ordering. APPLICATIONS: · Volvo Penta 430 / 500 / 570 / 740 Series Gas V8 (1979-1993) · Volvo Penta AQ175 / AQ200 / AQ225 / AQ231 / AQ260 / AQ271 / AQ311 Series · Volvo Penta BB225 / BB260 / BB740 Series · Pleasure Craft Marine (PCM) / Indmar GM V8 305 / 350 / 454 CID · OMC I/O (Sterndrive) V8 Models ⚠️ Verify OEM part number from your original unit before ordering to ensure proper fitment. Confirm 1-1/4 hose port and 1-15/16 impeller depth (09-812B). Do not confuse with F5B-9 style pump. OEM Grade Sea Water Pump - Volvo Penta 430 500 570 740 AQ BB Series OMC V8 Crankshaft Mounted 1979-1993 3860703 856513 New OEM-grade crankshaft-mounted raw sea water pump (F6B-9 style) for Volvo Penta gas V8 sterndrive and inboard engines (1979-1993) Pleasure Craft Marine (PCM) Indmar and OMC I/O V8 applications. Bronze body stainless steel shaft 1-1/4 hose ports. Fits Chevy 305/350/454 and Ford 302/351 engine blocks with crank-driven cooling. Replaces Volvo Penta 3860703 and 856513. Impeller 09-812B (1-15/16 depth). Verify OEM part number - F5B-9 style uses smaller impeller (09-1027B).