32-14358T 32-44348T 807166A1 4" Exhaust Y-Pipe Kit for MerCruiser
32-14358T 32-44348T 807166A1 4" Exhaust Y-Pipe Kit for MerCruiser is backordered and will ship as soon as it is back in stock.
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32-14358T 32-44348T 807166A1 4" Exhaust Y-Pipe Kit for MerCruiser
32-14358T 32-44348T 807166A1 4" Exhaust Y-Pipe Kit for MerCruiser is backordered and will ship as soon as it is back in stock.
SERDAMARINE / MARINE EXHAUST PARTS
Exhaust Y-Pipe Service Kit for 4-Inch Exhaust Tube Configurations
This aftermarket exhaust Y-pipe service kit is configured for Mercruiser Stern / Out Drive exhaust systems using lower exhaust tube 32-14358T, upper exhaust tube 32-44348T, and exhaust water shutter 807166A1. It is intended for servicing the exhaust bellows and water-shutter components around an exhaust Y-pipe associated with 4-inch exhaust tubes.
Configuration & Specifications
| Exhaust Tube Association | 4-inch exhaust tubes (associated with upper tube 32-44348T and lower tube 32-14358T) |
|---|---|
| Lower Exhaust Tube Reference | 32-14358T |
| Upper Exhaust Tube Reference | 32-44348T |
| Water Shutter Reference | 807166A1 (do not assume different suffixes such as 807166A3 are interchangeable) |
Reference Numbers
These numbers are provided for part and component identification only and do not by themselves establish complete-kit interchangeability or manufacturer identity. The listed OEM numbers identify individual exhaust components rather than a single part number for the complete kit.
| Primary Component Grouping References (Mercury Mariner / Mercruiser Stern / Out Drive) | 32-14358T*2, 32-44348T*2, 807166A1*2 |
|---|---|
| Lower Exhaust Tube Component References (Mercury Mariner / Mercruiser Stern / Out Drive) | 32-14358T, 32-14358001, 3214358001, 14358001, 3214358T, 14358T, 32-14358, 31-14358001 |
| Upper Exhaust Tube Component References (Mercury Mariner / Mercruiser Stern / Out Drive) | 32-44348T, 3244348T, 44348T, 32-44348001, 3244348001, 44348001, 32-44348, 31-44348001 |
| Exhaust Water Shutter Component Reference (Mercury Mariner / Mercruiser Stern / Out Drive) | 807166A1 |
| Other Brand Component & Related References |
Sierra: 18-2732, 18-2732-9, 18-2746, 18-2748 GLM: 89120, 89130, 89170, 89175 Mallory: 9-42802, 9-72805, 9-72811 OBR Red Rhino: MR-507, MR-510 EMP: 32-08306 |
| Different Suffix Reference (Comparison Only) | Mercury Mariner / Mercruiser Stern / Out Drive: 807166A3 (do not assume interchangeability with 807166A1) |
Supplied Parts
- Exhaust Y-pipe Kit (associated with lower exhaust bellows / tubes referenced by 32-14358T, upper exhaust bellows / tubes referenced by 32-44348T, and exhaust water shutters referenced by 807166A1)
Service & Installation Notes
General service guidance only. Use the service manual for your exact engine and exhaust configuration.
- Ensure the engine is shut off, completely cool, and secured against accidental starting before servicing any exhaust components.
- Verify that the boat is properly supported or that the exhaust system is safely isolated from outside water entry before disconnecting exhaust tubes or bellows around the Y-pipe.
- Inspect the exhaust Y-pipe seating areas and mating exhaust passages, removing any old residue or debris while protecting the sealing and mounting surfaces.
- Match the upper exhaust tube (32-44348T), lower exhaust tube (32-14358T), and exhaust water shutter (807166A1) to their respective positions and orientation as specified in your engine service manual.
- After installation, monitor the exhaust connections during initial operation; shut down immediately and inspect if any exhaust or water leakage or abnormal noise occurs.
Questions Before Replacement
What do the OEM numbers 32-14358T, 32-44348T, and 807166A1 identify?
They identify the individual components associated with this Y-pipe service kit rather than a single number for the complete kit: 32-14358T identifies the lower exhaust tube (4-inch), 32-44348T identifies the upper exhaust tube (4-inch), and 807166A1 identifies the exhaust water shutter.
Can I use this kit if my exhaust system specifies water shutter 807166A3?
Do not assume a different suffix such as 807166A3 is interchangeable with 807166A1. This kit is associated specifically with water shutter reference 807166A1.
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