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Exhaust Manifold and Riser Kit for MerCruiser 4.3L V6 99746A17 807988Q03
$2,199.99
Sale price
$2,199.99
Regular price
Available to Order
This Exhaust Manifold and Riser Kit is a replacement exhaust system component compatible with MerCruiser 4.3L V6 engines and matches OEM Part# 99746A17, 807988Q03.
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
Randy W. — Verified customer
Product Overview
This exhaust manifold and riser kit is designed for MerCruiser 4.3L V6 marine engines, providing a direct replacement for worn or failed components. The kit ensures proper exhaust flow and cooling, essential for reliable engine performance on the water.
Key Features & Performance
- Direct fit replacement for MerCruiser 4.3L V6 exhaust systems
- Includes both manifold and riser for a complete installation
- Rugged construction to withstand marine environments
- Precision machining ensures proper seal and alignment
- OEM part numbers 99746A17 and 807988Q03 for assured compatibility
Fitment & Compatibility
- MerCruiser 4.3L V6 engines (including Alpha One, Alpha Gen II, and Bravo drives)
Common Uses
- Replacing corroded or cracked exhaust manifolds on MerCruiser sterndrives
- Restoring exhaust system integrity after years of salt or freshwater use
- Boat maintenance and engine rebuild projects
- Replacing worn factory components
Technical Specifications
- Part Number(s): 99746A17, 807988Q03
- Engine Type: MerCruiser 4.3L V6
Frequently Asked Questions
Q: Is this kit compatible with MerCruiser 4.3L V6 Alpha One? A: Yes, it is designed for MerCruiser 4.3L V6 engines, including Alpha and Bravo drive models.
Q: Does the kit include gaskets and hardware? A: The kit typically includes the manifold and riser; gaskets and bolts may be sold separately, so check the listing contents.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.