OSC7624 Aftermarket Crusader GM Small-Block & Big-Block V8 Exhaust Elbow | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket Crusader GM Small-Block & Big-Block V8 Exhaust Elbow - Part Number: OSC7624

A 4-inch swivel exhaust elbow for Crusader GM small-block and big-block V8 engines. The OSC7624 design provides adjustable outlet orientation for the matching manifold.

⚙️ Key Features

• 4-inch swivel exhaust outlet

• For Crusader small-block and big-block GM V8 engines

• Water-jacketed marine cast construction

• Allows outlet orientation adjustment

• Use new gasket and locking hardware

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• OSC7624 (Osco replacement reference)

OEM / Related Numbers:

• OSC7624

Aftermarket / Verified Equivalents:

• Osco: OSC7624

🚤 Compatibility

Commonly used on:

• Crusader GM V8 wet-exhaust systems

Typically suits:

• Engine models:

• Crusader 220

• Crusader 270

• Crusader CM350

• Crusader GM 5.0L and 5.7L small-block V8

• Crusader 7.4L / 454XL big-block V8

• Crusader 8.2L / 502 CID applications using OSC7624

• Exhaust Outlet: 4 in swivel

• Approximate Dimensions: 18 × 20 × 37cm

• Approximate Weight: 2.94kg

🔌 Function

The swivel elbow turns and aligns the cooled exhaust outlet before connection to the wet exhaust hose.

Common signs of failure:

• External corrosion, cracking or pin-hole leakage

• Internal carbon, rust or salt restriction

• Cooling water entering the manifold, turbocharger or cylinders

• Steam, reduced cooling-water discharge or an abnormally hot exhaust hose

• Loss of power caused by excessive exhaust back-pressure

📦 Condition

• Brand new aftermarket replacement part

• New and unused

• Supplied in manufacturer or equivalent protective packaging