Barr MerCruiser GM Inline 4 6 Lower Thermostat Housing MC-29-47587
Barr MerCruiser GM Inline 4 6 Lower Thermostat Housing MC-29-47587

Barr MerCruiser GM Inline 4 6 Lower Thermostat Housing MC-29-47587

BAMC29-47587

  • Dispatched in 2-3 days
  • 30 Day Return Policy
  • In stock, ready to ship
  • Backordered, shipping soon
Our stock levels are dynamic and can change frequently. If a product appears to be in stock, it may have already sold out. Please contact us if you have any questions about availability. Thank you for your understanding.

Regular price£107.04
/
Tax included.

Barr MerCruiser Inline-Engine Thermostat Housing

GM Inline 4 & 6 Cylinder | MC-29-47587

Barr Marine replacement lower thermostat housing for selected legacy MerCruiser GM inline four- and six-cylinder petrol engines.

FITMENT CHECK: Identify the engine as an inline GM four/six and match the original casting, hose outlets, mounting flange and Mercury 47587A2 reference.

Key Features

  • Lower thermostat housing
  • For selected GM inline four- and six-cylinder MerCruisers
  • Barr Marine replacement casting
  • Replaces Mercury 47587A2 where specified
  • Bare housing unless components are pictured

Technical Specs

Part type Lower thermostat housing
Engine layout GM inline four / inline six
Common models 120, 140, 160, 165, 200
Brand Barr Marine
4Boats SKU BAMC29-47587

Compatibility / Fitment Guide

Engine / system Application Required check
MerCruiser 120 / 140 GM inline-four petrol Includes 120R/140R where parts diagram lists 47587A2
MerCruiser 160 / 165 GM inline-six petrol Confirm casting and hose-port layout
MerCruiser 200 Selected GM inline engine application Serial-specific parts diagram must match
Replacement service Existing lower housing crossed to MC-29-47587 Match upper cover and gasket interfaces

Not for GM V6/V8, Ford V8 or MerCruiser 470/3.7L closed-cooling engines. Thermostat, upper cover, gaskets, fittings and mounting hardware are separate unless pictured.

Part Number Cross Reference

Mercury / MerCruiser 47587A2; 47587
Barr Marine MC-29-47587; BAMC29-47587
4Boats SKU BAMC29-47587

Cross-reference numbers identify the housing design; verify the complete cooling-system diagram before ordering.

Frequently Asked Questions

Will it fit a 4.3L V6?
No. This housing is for specified inline four/six-cylinder engines.

Does it include a thermostat?
No. It is the lower housing unless additional parts are pictured.

Will it fit 120R/140R?
Yes where the parts diagram specifies the 47587A2 housing.

Is it genuine Mercury?
No. It is a Barr Marine replacement.

Before ordering: confirm the inline engine model and Mercury 47587A2 housing profile.

For the products under £150 the shipping is £6.99.

Free delivery for most items over £150.

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