Barr OMC Volvo Penta 3.0L Inline-4 Lower Thermostat Housing 29-910303

Barr OMC Volvo Penta 3.0L Inline-4 Lower Thermostat Housing 29-910303

BAOMC29-910303

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Regular price£149.84
/
Tax included.

OMC / Volvo Penta Inline-4 Lower Housing

GM 3.0L Application | Barr OMC-29-910303

Barr Marine aftermarket lower thermostat housing for selected OMC and Volvo Penta GM inline-four sterndrive cooling systems. It replaces the 910303 / 3854254 housing family.

FITMENT CHECK: This is not an outboard component. It is a lower housing for the OMC/Volvo Penta inline-four sterndrive family; compare the casting and port orientation.

Key Features

  • Lower thermostat housing
  • For OMC/Volvo Penta GM inline-four applications
  • Common 3.0L sterndrive family
  • Barr Marine aftermarket casting
  • Replaces multiple OMC superseded references

Technical Specs

Part type Lower thermostat housing
Engine GM inline four-cylinder
Typical displacement 3.0L
Brand application OMC / Volvo Penta
SKU BAOMC29-910303

Compatibility / Fitment Guide

Engine / model Verified application Fitment checks
OMC GM inline-4 Selected OMC four-cylinder sterndrive engines using 910303 family Confirm casting and original part number.
Volvo Penta 3.0L Selected OMC-derived 3.0L installations using 3854254 Match complete model suffix.
Exclusion Johnson/Evinrude outboards and OMC V6/V8 engines Different cooling-system hardware.

Compare casting, hose-port arrangement, upper/lower interface and engine serial-number parts diagram.

Part Number Cross Reference

Barr Marine OMC-29-910303
OMC 383313; 910303; 985959; 986868; 987533
Volvo Penta 3854254
4Boats SKU BAOMC29-910303

Aftermarket replacement; manufacturer references are used for identification only.

Frequently Asked Questions

Is it an outboard housing?
No. It is for an inline-four sterndrive/inboard cooling system.

Does it fit every 3.0L?
No. Confirm the 910303/3854254 reference and casting.

Is the thermostat included?
No thermostat should be assumed; order from the product photograph.

Installation note: Clean mating faces, replace gaskets/O-rings and confirm unobstructed coolant flow before running the engine.

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

Free delivery for most items over £150.

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