27-27532 Carburetor Intake Gasket Set Fits Mercury Mariner Outboards

Product Overview

XR MARINE · CARBURETORS & REPAIR KITS

27-27532 Carburetor Intake Gasket Set Fits Mercury Mariner Outboards

This XR Marine product is a four-piece carburetor intake gasket set designed for replacing intake gaskets on specified Mercury and Mariner 3-cylinder (70–90 HP) and 4-cylinder (115–125 HP) outboard engines from 1983 onward. It uses the gasket type referenced as 27-151724 and cross-referenced to Mercury Mariner 27-27532 and Sierra 18-0324. This listing includes four intake gaskets only; it is not a complete carburetor assembly or multi-part rebuild kit.

Product Specifications

Key product details for identification and comparison.

Fitment

The 27-27532 Carburetor Intake Gasket Set from XR Marine fits Mercury and Mariner 3-cylinder (70–90 HP) and 4-cylinder (115–125 HP) outboard engines from 1983 onward in the applications listed below, where exact model versions and end years are not specified.

Verify the full engine model designation on your identification plate, check the cylinder configuration and year range below, and compare the complete intake-gasket OEM reference number—including any suffix—in your engine's parts catalog. Relying on horsepower alone is not enough to confirm compatibility.

• Brand: Mercury Mariner (Mercury outboard applications) | Power: 70–90 HP | Year: 1983 onward (end year not stated) | Cylinders: 3-cylinder | Restriction: Exact model versions are not specified; verify by gasket OEM reference number
  ! Check conditions
• Brand: Mercury Mariner (Mariner outboard applications) | Power: 70–90 HP | Year: 1983 onward (end year not stated) | Cylinders: 3-cylinder | Restriction: Exact model versions are not specified; verify by gasket OEM reference number
  ! Check conditions
• Brand: Mercury Mariner (Mercury outboard applications) | Power: 115–125 HP | Year: 1983 onward (end year not stated) | Cylinders: 4-cylinder | Restriction: Exact model versions are not specified; verify by gasket OEM reference number
  ! Check conditions
• Brand: Mercury Mariner (Mariner outboard applications) | Power: 115–125 HP | Year: 1983 onward (end year not stated) | Cylinders: 4-cylinder | Restriction: Exact model versions are not specified; verify by gasket OEM reference number
  ! Check conditions

OEM & Part Number References

Use the complete reference number, including its suffix, when comparing parts. Reference numbers do not confirm that every version is interchangeable.

What's Included

Check the supplied components before planning your repair.

• Carburetor Intake Gasket × 4 (OEM Reference: 27-151724)

Installation Guide

General installation overview. Follow the service manual for your exact engine and carburetor configuration. Fuel-system work requires the appropriate skills and precautions.

1. Preparation and Part Comparison: Ensure the engine is shut off and cool, disconnect the fuel supply and ignition source according to your service manual, and work in a well-ventilated area away from open flames. Before disassembly, note the routing of fuel lines and throttle linkages, then remove the carburetor to access the intake mounting surface and compare the new 27-151724 gaskets directly against the existing intake gaskets and flange ports.
2. Surface Inspection and Gasket Placement: Carefully clean old gasket material and residue from the carburetor mounting flange and intake manifold without scratching or gouging the mating metal surfaces. Align each new intake gasket cleanly with the mounting holes and intake passages, verifying that no ports or linkage paths are obstructed.
3. Reassembly and Leak Inspection: Reinstall the carburetor and tighten mounting fasteners evenly according to the sequence and specifications in your engine's service manual. Reconnect all linkages and fuel lines, verify smooth throttle movement without binding, prime the fuel system to check for leaks, and run the engine only with a proper cooling water supply while monitoring for air or fuel leaks.

Before You Order

A careful fitment check helps you choose the right part the first time.

• Match the full engine model designation on the identification plate.
• Check the individual year entry and any serial-number or version restrictions.
• Compare the complete OEM reference number, including its suffix. Horsepower or appearance alone is not enough.
• Confirm the package contents and the quantity needed for your repair.
• Verify your engine's cylinder count (3-cylinder for 70–90 HP or 4-cylinder for 115–125 HP) and confirm how many intake gaskets your carburetor setup requires, as this package supplies a set of 4 gaskets.

Need help checking fitment? Have your engine identification details, the existing part number and clear photos ready when you contact XR Marine.

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Frequently Asked Questions

Answers to common questions about this product and its application.