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Serdamarine  |  SKU: 24MFK118

Wet-Joint Exhaust Hose Bellows Repair Kit for MerCruiser 120 140

Regular price $72.00


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SERDAMARINE / MARINE EXHAUST PARTS

Wet-Joint Manifold Exhaust Hose Bellows Repair Kit for MerCruiser 120 and 140

This aftermarket manifold exhaust hose/bellows repair kit services the exhaust hose and bellows connections on MerCruiser 120 and 140 inline-four (153/181 CID, 4-cylinder) sterndrive applications from 1982 through 1995 equipped with a wet-joint exhaust system and the New Style Option configuration.

The combined reference grouping 32-44348T + 32-90949 + 27-96429 + 99777Q02 identifies four separate component references within the service combination rather than a single factory kit number.

Configuration & Specifications

Joint Configuration Wet-joint exhaust system
System Style New Style Option (Stern Drive)
Upper Bellows & Elbow Identification The referenced 4-inch upper exhaust bellows is associated with a one-piece exhaust elbow in the GLM application listing; a separate bellows is listed for the two-piece elbow configuration. Component-level identification does not establish complete-kit fitment for all one-piece elbow systems.

Engine Applications

This kit applies to the MerCruiser inline-four sterndrive models listed below when equipped with the specified wet-joint, New Style Option exhaust layout. Check the installed exhaust elbow layout as well as the engine model rather than selecting by engine model alone.

  • MerCruiser Stern / Out Drive Model 120 — Inline 4, 153 CID, 4-cylinder; Years: 1982–1995; Configuration: Wet-joint exhaust system, New Style Option, Stern Drive. Fits when specified
  • MerCruiser Stern / Out Drive Model 140 — Inline 4, 181 CID, 4-cylinder; Years: 1982–1995; Configuration: Wet-joint exhaust system, New Style Option, Stern Drive. Fits when specified

Reference Numbers

The numbers below are provided as identification references for the separate components associated with this kit combination. They do not represent a single OEM kit number, are not interchangeable with one another, and do not imply original-equipment manufacturer origin.

Primary Component Combination References (MerCruiser Stern / Out Drive) 32-44348T + 32-90949 + 27-96429 + 99777Q02 (individual component numbers: 32-44348T, 32-90949, 27-96429, 99777Q02)
MerCruiser Stern / Out Drive 32-44348T, 32-90949, 27-96429, 99777Q02, 27-99777-2, 96429
Mercury Mariner / MerCruiser Stern / Out Drive 32-44348, 31-44348001, 32-44348001, 32-90949T
Mercury Mariner 3244348T, 44348T, 3244348001, 44348001, 3290949T, 90949T
Sierra 18-2748, 18-2761, 18-1204-1, 18-2833, 18-1204, 18-1204-1-9
GLM 89120, 89090, 33570, 31520
Mallory 9-72805, 9-72809, 9-61419
Other Reference Numbers 0912164, 912164

Supplied Parts

  • Wet-joint manifold exhaust hose bellows repair kit

Service & Installation Notes

General service guidance only. Use the service manual for your exact engine and exhaust configuration.

  1. Ensure the engine is completely cool and disconnected from starting power before servicing exhaust connections.
  2. Compare the removed exhaust hoses, bellows, and mating surfaces against the replacement parts to verify proper fit for the installed wet-joint, New Style Option elbow and manifold layout.
  3. Clean and inspect the manifold and elbow mating surfaces and hose clamping areas, protecting sealing surfaces from gouges or debris.
  4. Install the exhaust hose bellows and associated sealing components according to the alignment, clamping, and tightening specifications in the factory service manual.
  5. After reassembly, monitor the exhaust connections during initial operation under normal cooling conditions; shut down the engine immediately and inspect if any exhaust or water leakage is observed.

Questions Before Replacement

Do the four primary numbers (32-44348T + 32-90949 + 27-96429 + 99777Q02) represent interchangeable kit numbers?

No. Those four numbers identify separate referenced parts combined in this repair kit. They are not a single OEM kit number and cannot be used interchangeably with one another.

How does the exhaust elbow style affect fitment on 1982–1995 MerCruiser 120 and 140 engines?

This kit is for wet-joint 1982–1995 MerCruiser 120/140 (153/181 CID inline-4) sterndrive installations with the New Style Option. In GLM application listings, the referenced 4-inch upper exhaust bellows is associated with a one-piece exhaust elbow, whereas a separate bellows is listed for two-piece elbow setups. Because component-level identification alone does not guarantee complete-kit fitment across all one-piece elbow systems, match both the engine application and the installed elbow/hose configuration.

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