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FLASHSALE26

Exhaust Bellow – Fits MerCruiser 185-898 HP (Replaces 32-90949T)

Regular price $36.00

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Delivery and Shipping

Orders are typically processed within 1–2 business days.


U.S. orders usually arrive within 6–15 days, depending on stock location and destination.


International delivery times may vary due to customs processing.


Tracking information will be provided once your order ships.

If you have any questions, feel free to email us at info@sierramarines.com, and we’ll get back to you within 20–36 hours.

Product Details

This aftermarket Exhaust Bellow is designed for MerCruiser Stern Drive V6, V8, and I4 engines from 1982–1987, covering models from 185 HP to 898 HP. It serves as a crucial component in the engine's exhaust system, connecting the exhaust components and ensuring a sealed passage for gases.

It is a direct interchange for MerCruiser part 32-90949T and compatible replacements from Sierra (18-2761), Mallory (9-72809), and GLM (89090).

  • Installs in the engine exhaust system using the included clamps.
  • Constructed from CR Rubber (Chloroprene) for excellent seawater corrosion resistance.
  • The kit includes two SS316 stainless steel clamps for a complete installation.

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Brand Part Number
MerCruiser 32-90949T / 32-90949
Sierra 18-2761
Mallory 9-72809
GLM 89090
UanofCn 3290949T

Engine & Model Compatibility

Confirm your engine model/year in the table below.

This exhaust bellow fits a wide range of MerCruiser stern drive engines produced between 1982 and 1987.

Brand Model Rated HP Stroke Years OEM Part No.
MerCruiser 185 HP (2 BBL) V6 185 4-Stroke 1985–1987 32-90949T
MerCruiser 185 HP (4 BBL) V6 185 4-Stroke 1983–1984 32-90949T
MerCruiser 200 HP (2 BBL) V8 200 4-Stroke 1985–1986 32-90949T
MerCruiser 205 HP (4 BBL) V6 205 4-Stroke 1985–1987 32-90949T
MerCruiser 228 HP (4 BBL) V8 228 4-Stroke 1982–1984 32-90949T
MerCruiser 230 HP (4 BBL) V8 230 4-Stroke 1985–1986 32-90949T
MerCruiser 260 HP (350c.i.) V8 260 4-Stroke 1982–1986 32-90949T
MerCruiser 260 HP (4 BBL 305c.i.) V8 260 4-Stroke 1982–1986 32-90949T
MerCruiser 470 HP (2 BBL) I/L 4 470 4-Stroke 1983–1984 32-90949T
MerCruiser 485 HP (2 BBL) I/L 4 485 4-Stroke 1983–1984 32-90949T
MerCruiser 488 HP (4 BBL) I/L 4 488 4-Stroke 1983–1984 32-90949T
MerCruiser 898 HP (2 BBL) V8 898 4-Stroke 1983–1984 32-90949T

Technical Specs

Product Type
Exhaust Bellow / Tube
Installation
Engine Exhaust System
Fuel Type
Gasoline
Connection
Hose with Clamps
Housing Material
CR Rubber (Chloroprene)
Housing Color
Black
Dimensions
3-inch (76.2 mm) Inner Diameter
Fitting Type
Hose Connection with Clamps
Other Technical Attributes
Good seawater corrosion resistance; meets/exceeds OEM specifications

What’s in the Box

  • 1 x Exhaust Rubber Bellow (Replaces 32-90949T)
  • 2 x SS316 Stainless Steel Clamps

Installation Notes

  1. Ensure the engine is completely cool and disconnect the boat's battery for safety.
  2. Gain access to the stern drive's exhaust components. You may need to trim the drive to the full "up" position.
  3. Locate the old exhaust bellow connecting the bell housing to the gimbal housing.
  4. Loosen and remove the two clamps securing the old bellow, then carefully slide it off the fittings.
  5. Thoroughly clean the mounting surfaces on both housings to ensure a clean, debris-free seal.
  6. Slide the new exhaust bellow into place. Position the new clamps but do not tighten yet.
  7. Confirm the bellow is fully seated and not twisted or pinched. Securely tighten both clamps.
  8. Lower the drive, reconnect the battery, and check for exhaust leaks after starting the engine.

Troubleshooting & FAQ

What are the signs my exhaust bellow is failing?

Common signs of a worn or failed exhaust bellow include water leaking into the bilge area, an unusually loud exhaust noise, visible cracks or splits in the rubber, or the bellow becoming soft and spongy to the touch. It's a critical part to inspect annually.

Will this fit my 1985 MerCruiser 205 HP V6?

Yes, this exhaust bellow is listed as compatible with the MerCruiser 205 HP V6 model for the years 1985–1987. Always double-check your model and year against the full compatibility list before ordering.

Is this bellow resistant to saltwater?

Yes. It is manufactured from Chloroprene (CR) rubber, a material specifically chosen for its good resistance to seawater, heat, and ozone, making it suitable for marine environments.

How often should I inspect the exhaust bellow?

It is best practice to inspect all sterndrive bellows, including the exhaust bellow, at least once a year during regular maintenance. If you operate in saltwater or harsh conditions, more frequent inspections are recommended. Replace it at the first sign of wear or damage to prevent water intrusion.

OEM vs. Aftermarket?

This listing is an aftermarket replacement (not OEM). It is built to OEM-level specifications with comparable materials and manufactured in an ISO 9002 facility, with batch inspections for consistency.

Shipping speed & cost

We ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free; expedited options will appear at checkout where available.

Warranty & returns

This product is covered by a 1-year warranty against manufacturing defects under normal use. If any issues arise, contact our support team with your order details. Returns are accepted within our standard window, provided the item is unused and in its original condition. See our policy page or reach out for instructions.

Safety & Important Info

  • Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
  • This is an aftermarket replacement, not an OEM component.
  • Professional installation is recommended for safety and performance.

About Sea Sierra

  • Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
  • Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
  • Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.

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