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Cooling System - Impeller Housing

Plug Off Cap
Your Price:
$8.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Plug Off Cap

676-18-0549

Key Features:

  • For: V-8 Model Stern Drives & Inboards (1977 to present)

Additional Details:

  • I.D.: 1" or 25.4mm

Interchanges/Replaces

GLM

  • 22290

Mallory

  • 9-42720

OMC Inboard

  • 909829

OMC Stern Drive

  • 3852476
  • 908488
  • 909829

Volvo Penta

  • 3852476

Plug Off Cap
Your Price:
$7.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Plug Off Cap

676-18-0550

Key Features:

  • For: V-8 Models Stern Drives & Inboards (1977 to present)

Additional Details:

  • I.D.: 1 1/4" or 31.8mm

Interchanges/Replaces

GLM

  • 22280

Mallory

  • 9-42721

OMC Inboard

  • 909830

OMC Stern Drive

  • 764799
  • 909830

Thermostat Housing
Your Price:
$217.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Thermostat Housing

676-18-3531

Additional Details:

  • Fits: MCM/MIE GM V-6 & V-8 (305, 350, 454 & 502 cid) engines w/closed cooling systems

Interchanges/Replaces

GLM

  • 13540

Mallory

  • 9-42501

Mercruiser Stern Drive

  • 807074A1
  • 808064A1
  • 861188A1

Thermostat Housing
Your Price:
$171.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Thermostat Housing

676-18-1994

Additional Details:

  • Fits: MCM/MIE GM V-6 & V-8 (305, 350, 454, 502 & 540 cid) engines

Use With:

Interchanges/Replaces

GLM

  • 13230

Mallory

  • 9-42502

Mercruiser Stern Drive

  • 87290A4

Osco

  • MC552-SB

List of Containing Parts

Sierra Item # OE/Competitor # Quantity Description Image Comments
18-4264GLM
  • 21894
Mallory
  • 9-40546
Mercruiser Stern Drive
  • 22-32803
  • 22-87543
  • FI5880010
Mercury Marine
  • 22-32803
2Pipe Plug

Thermostat Housing
Your Price:
$52.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Thermostat Housing

676-18-1977-1

Additional Details:

  • Fits: MCM/MIE GM V-6 & V-8 (305 & 350 cid)engines & Hi-Perf 454, 502 & 540 cid engines

Interchanges/Replaces

Barr

  • MC2947441

GLM

  • 13220

Mallory

  • 9-42503
  • 9-42506

Mercruiser Stern Drive

  • 47441
  • 47441A1

Osco

  • MC55-TSB