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Moroso

Moroso

Moroso Chevrolet Big Block/Small Block Water Outlet Filler Neck -20An w/O-Ring & Two 3/8in NPT Ports

SKU: MOR63476

Water Necks and Thermostat Housings

MOR Coolant Filler Necks...

Moroso Chevrolet Big Block/Small Block Water Outlet Filler Neck -20An w/O-Ring & Two 3/8in NPT Ports

Moroso

Moroso

Moroso Chevrolet Big Block/Small Block Water Outlet Filler Neck -20An w/O-Ring & Two 3/8in NPT Ports

SKU: MOR63476

Water Necks and Thermostat Housings

MOR Coolant Filler Necks...

Sale ends in Calculating...

A$163.73 A$191.97
Limited Availability from MFR Limited stock available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical orders of this part. This item is not held in our own warehouse, and availability and release timing may vary depending on manufacturer stock movements and processing at the time of ordering.
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Description

Moroso water outlet necks are one-piece billet aluminum designs. Most are clear anodized, but all include stainless steel mounting hardware. The filler necks also come with O-rings or gaskets as required. Select the model designed for your engine application.

Product Overview

Moroso Chevrolet Big Block/Small Block Water Outlet Filler Neck -20An w/O-Ring & Two 3/8in NPT Ports

Product Details

Description:Moroso Chevrolet Big Block/Small Block Water Outlet Filler Neck -20An w/O-Ring & Two 3/8in NPT Ports
Part Number:mor63476

Part Type

#20AN Billet Filler Neck 3/8in NPT Female Ports

Data: v4.2 - Upd: 2026-10-27 23:34:56

Specifications

Product Attributes - Brand
Moroso
Product Attributes - Manufacturer's Part Number
63476
Product Attributes - Part Type
Water Necks and Thermostat Housings
Product Attributes - Product Line
Moroso Water Outlet Necks
Product Attributes - UPC
084663634765
Product Attributes - Water Neck Style
Straight
Product Attributes - Swivel
No
Product Attributes - Material
Aluminum
Product Attributes - Color
Clear
Product Attributes - Coating Type
Anodized
Product Attributes - Sealing Style
O-ring
Product Attributes - Thermostat Included
No
Product Attributes - Mounting Hardware Included
Yes
Product Attributes - Heater Bypass Provision
Yes
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Moroso
StreetFX SKU mor63476
SFX Item ID 4104234
Supplier Item Code 4104234
Manufacturer SKU 63476
Manufacturer UPC 84663634765
Alternative References -20An, 3/8in

Compatibility

Application Data
  • Water Neck FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1955
    Ending Year1957
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size4.3L/265
  • Water Neck FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1957
    Ending Year1967
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size4.6L/283
  • Water Neck FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1962
    Ending Year1969
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.3L/327
  • Water Neck FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1964
    Ending Year1967
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.3L/327
  • Water Neck FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1965
    Ending Year1970
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.5L/396
  • Water Neck FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1966
    Ending Year1969
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.0L/427
  • Water Neck FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1967
    Ending Year1969
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size4.9L/302
  • Water Neck FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1967
    Ending Year2002
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
  • Water Neck FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1968
    Ending Year1973
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/307
  • Water Neck FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1970
    Ending Year1972
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size6.6L/402
  • Water Neck FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1970
    Ending Year1980
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
  • Water Neck FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1970
    Ending Year1990
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • Water Neck FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1975
    Ending Year1976
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size4.3L/262
  • Water Neck FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1976
    Ending Year2002
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305
  • Water Neck FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1979
    Ending Year1982
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size4.4L/267
  • Water Neck FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1991
    Ending Year1995
    Engine TypeV8
    Engine FamilyChevy big block Gen V
    Engine Size7.4L/454
  • Water Neck FitmentSearch by engine
    MakeCHEVROLET
    Beginning Year1996
    Ending Year2000
    Engine TypeV8
    Engine FamilyChevy big block Gen VI
    Engine Size7.4L/454
  • Water Neck FitmentSearch by engine
    MakeCHRYSLER
    Beginning Year1959
    Ending Year1960
    Engine TypeV8
    Engine FamilyMopar big block RB
    Engine Size6.3L/383
  • Water Neck FitmentSearch by engine
    MakeCHRYSLER
    Beginning Year1959
    Ending Year1965
    Engine TypeV8
    Engine FamilyMopar big block RB
    Engine Size6.7L/413
  • Water Neck FitmentSearch by engine
    MakeCHRYSLER
    Beginning Year1959
    Ending Year1965
    Engine TypeV8
    Engine FamilyMopar big block RB
    Engine Size6.8L/413
  • Water Neck FitmentSearch by engine
    MakeCHRYSLER
    Beginning Year1961
    Ending Year1964
    Engine TypeV8
    Engine FamilyMopar big block B
    Engine Size5.9L/361
  • Water Neck FitmentSearch by engine
    MakeCHRYSLER
    Beginning Year1961
    Ending Year1971
    Engine TypeV8
    Engine FamilyMopar big block B
    Engine Size6.3L/383
  • Water Neck FitmentSearch by engine
    MakeCHRYSLER
    Beginning Year1963
    Ending Year1963
    Engine TypeV8
    Engine FamilyMopar big block RB
    Engine Size7.0L/426
  • Water Neck FitmentSearch by engine
    MakeCHRYSLER
    Beginning Year1966
    Ending Year1978
    Engine TypeV8
    Engine FamilyMopar big block RB
    Engine Size7.2L/440
  • Water Neck FitmentSearch by engine
    MakeCHRYSLER
    Beginning Year1972
    Ending Year1978
    Engine TypeV8
    Engine FamilyMopar big block B
    Engine Size6.6L/400

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