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Mercury Thermostat Housing Assembly 863457A2 4.3 5.0 5.7 350 MAG Mercruiser by FASWORX | Options and Comparison Guide

$345.00

SKU: E-B0D6M94NMZ Category:

Comparison view: Compare Mercury Thermostat Housing Assembly 863457A2 4.3 5.0 5.7 350 MAG Mercruiser by FASWORX with other Thermostats options using this source-backed discriminator: Manufacturer Part Number: 13630, 863457A2.

Use this second point to evaluate the tradeoff: Model: Thermostat. Use a comparison lens: material, dimensions, compatibility, package scope, and upgrade tradeoffs.

Before you order
  • Confirm the part number, position, dimensions, and connector details shown on this page.
  • Compare the listing with the part currently installed on your vehicle.

Description

Comparison points and tradeoffs

When comparing Mercury Thermostat Housing Assembly 863457A2 4.3 5.0 5.7 350 MAG Mercruiser by FASWORX with other Thermostats options, use this source-backed detail as the primary discriminator: Manufacturer Part Number: 13630, 863457A2.

Use this second fact to evaluate the tradeoff: Model: Thermostat. A third point to compare across alternatives is: This replaces part number 863457A2.

Alternative-selection boundary

Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.

Complete source-backed product details

Brand: FASWORX
Manufacturer ‎FASWORX
Brand ‎FASWORX
Model ‎Thermostat
Country of Origin ‎China
Item model number ‎13630
Exterior ‎Polished
Manufacturer Part Number ‎13630, 863457A2

This thermostat housing assembly for Mercury Mercruiser engines regulates temperature to enhance efficiency, performance, and longevity. It prevents overheating, reduces maintenance, and ensures stable, efficient operation, crucial for reliable marine engine performance.

Source product highlights

  • Thermostat housing assembly for Mercury Mercruiser engines.
  • This replaces part number 863457A2.
  • Fits both Alpha and Bravo 350, 377, 383 MAG, 4.3L, 5.0L, 5.7L, and 6.2L MPI engines with the water distribution housing.
  • For raw water-cooled engines with a 3-point drain system.
  • Enhances cooling system efficiency. Works in conjunction with the engine’s cooling system to improve overall heat-dissipation.

Product facts

Specifications

Canonical product
MP-US-B0D6M94NMZ
Source product ID
B0D6M94NMZ
Category
Replacement Parts / Engine Cooling & Climate Control / Thermostats
Available images
2
Referenced part numbers
863457A2

Vehicle information

Available fitment details

Listing compatibility notes

  • Fits both Alpha and Bravo 350, 377, 383 MAG, 4.

Fitment data is provided as a buying aid. Verify the listing against your vehicle and existing part before ordering.

Selection, alternatives, tradeoffs, upgrades, and direct replacements

Buying guidance

Quick decision

Use the supplied facts to compare this thermostats with direct replacements and nearby alternatives.

Choose this if

  • The listed specifications and referenced numbers match the part you need.
  • The package contents cover the repair without missing required components.

Consider another option if

  • Your vehicle, connector, side, dimensions, or part number do not match the listing.
  • You need a different package quantity, material, or variation.

Before you buy

  • Verify the referenced part number: 863457A2.
  • Compare the listing title, photos, package contents, and specifications with the part being replaced.
  • Confirm vehicle compatibility and installation requirements before ordering.

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