8079882A MerCruiser 4 Inch Exhaust Riser Elbow 51140 44354A3 44354A9 44354A10

Product Overview

This exhaust riser elbow is designed for MerCruiser marine engines, directing exhaust gases from the manifold to the cooling system. Constructed from durable cast iron, it withstands high temperatures and saltwater environments. The 4-inch riser elbow is a common replacement part for many V8 MerCruiser models.

Key Features & Performance

• Cast iron construction for heat resistance and longevity
• Corrosion-resistant coating for marine use
• Precision-bored ports ensure proper flow
• Direct OEM replacement simplifies installation
• Designed to match original dimensions and gasket patterns

Fitment & Compatibility

• MerCruiser V8 engines (5.0L, 5.7L, 7.4L, and similar)
• Compatible with multiple model years; verify specific serial number

Common Uses

• Replacing worn or corroded exhaust riser elbows
• Rebuilding marine exhaust systems
• Upgrading to OEM-spec components
• Annual maintenance on high-hour engines

Technical Specifications

• Part Number(s): 8079882A, 51140, 44354A3, 44354A9, 44354A10
• Material: Cast Iron
• Height: 4 inches
• Type: Exhaust Riser Elbow

Frequently Asked Questions

Q: Will this exhaust riser elbow fit my MerCruiser 5.7L? A: Yes, it is compatible with many V8 MerCruiser engines including the 5.7L, but verify your specific part number before purchase.

Q: Is this a direct OEM replacement? A: Yes, it is designed as a direct replacement for the listed OEM part numbers and uses the same bolt pattern and gasket.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.