99746A8 Exhaust Manifold for MerCruiser 4.3 4.3L V6 99746A17 18 1952 1 51220

This Exhaust Manifold is a marine exhaust component compatible with MerCruiser 4.3L V6 engines and matches OEM Part# 99746A8, 99746A17, 18-1952-1, 51220.

Product Overview

The exhaust manifold for MerCruiser 4.3L V6 engines channels exhaust gases away from the engine and into the exhaust system, ensuring efficient engine operation and noise reduction. Designed for marine applications, this manifold is a direct replacement for worn or corroded factory parts, restoring performance and reliability in your MerCruiser 4.3L V6.

Key Features & Performance

• Direct replacement for MerCruiser 4.3L V6 exhaust manifold
• Cast from high-quality materials to resist corrosion in marine environments
• Precision-machined mounting surfaces for a leak-free seal
• Includes all necessary gaskets and hardware for installation
• Ensures optimal exhaust flow and engine performance

Fitment & Compatibility

• MerCruiser 4.3L V6 engines (model years vary)
• Replaces OEM part numbers 99746A8, 99746A17, 18-1952-1, 51220

Common Uses

• Replacing failed or corroded exhaust manifold on MerCruiser 4.3L V6
• Marine engine rebuild or restoration projects
• Maintenance of inboard and sterndrive boats

Technical Specifications

• Part Number(s): 99746A8, 99746A17, 18-1952-1, 51220
• Material: Cast iron or equivalent marine-grade metal
• Engine Compatibility: MerCruiser 4.3L V6

Frequently Asked Questions

Q: Is this exhaust manifold compatible with MerCruiser 4.3L MPI engines? A: This manifold is designed for MerCruiser 4.3L V6 engines, including many MPI models; however, verify your specific engine model and serial number for fitment.

Q: Does the manifold come with gaskets? A: Yes, the manifold typically includes all required gaskets and installation hardware, though contents may vary by batch.

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