Sierra Exhaust Boot - SIE-18-2746

Sierra 18-2746 MerCruiser Exhaust Boot

Sierra 18-2746 Exhaust Boot fits MCM GM V-6 & V-8 engines.

4" Lower Tube

Interchangeable with:

GLM

89130

Mallory

9-72811

MerCruiser Stern Drive

32-14358T

32-14358001

32-14358

Frequently Asked Questions

• What is the Sierra 18-2746 MerCruiser Exhaust Boot used for? The Sierra 18-2746 Exhaust Boot is a replacement exhaust boot for MCM GM V-6 and V-8 engines. It features a 4-inch lower tube and is listed for the specified MerCruiser engine applications.
• What MerCruiser engines does the Sierra 18-2746 Exhaust Boot fit? The Sierra 18-2746 is listed for MCM GM V-6 and V-8 engines. The product description does not provide specific model years, horsepower ratings, or serial-number ranges, so verify your engine application before ordering.
• What size lower tube does the Sierra 18-2746 Exhaust Boot have? The Sierra 18-2746 Exhaust Boot has a 4-inch lower tube. This dimension is the only specific size provided in the product description for the exhaust boot.
• What parts is the Sierra 18-2746 Exhaust Boot interchangeable with? The Sierra 18-2746 is listed as interchangeable with GLM 89130, Mallory 9-72811, and MerCruiser Stern Drive part numbers 32-14358T, 32-14358001, and 32-14358.
• Does the Sierra 18-2746 Exhaust Boot fit both GM V-6 and V-8 engines? Yes. The product description specifically lists the Sierra 18-2746 Exhaust Boot for MCM GM V-6 and V-8 engines. Confirm your specific engine application before ordering because the description does not provide detailed model or serial-number fitment.
• What should I verify before ordering the Sierra 18-2746 Exhaust Boot? Verify that your engine is an MCM GM V-6 or V-8 application and that the exhaust boot requires the listed 4-inch lower tube. Comparing the existing part with the listed interchangeable numbers can also help confirm that the Sierra 18-2746 is the appropriate replacement.