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Mr. Gasket Cast Aluminum Water Pump Housing with Water Neck

Fits 1958-1979 Chrysler 383/400/413/426W/440 & 426 Hemi B/RB Big Block & Hemi

PART# 70441G

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$159.00   Suggested Retail
$128.66   Holleydays Price
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Mr. Gasket Cast Aluminum Water Pump Housing saves over 8 pounds compared to a stock cast iron housing. Has alternator bosses cast in for early and late alternator brackets. Lower hose exits on left, or driver side. Natural as-cast finish.


  • As-cast natural finish aluminum alloy housing
  • Saves over 8 pounds vs stock cast iron housing
  • Features large cooling ports for maximum coolant flow
  • Has alternator bosses for early & late alternator brackets
  • Left (driver's) side lower hose exit
  • Aluminum housing dissipates heat better than stock cast iron housing
  • Includes water neck


ApplicationChrysler Big Block
BrandMr. Gasket
Emission Code5
Fitting Attachment 15/8"
Fitting Attachment 29/16"
Product TypeWater Pump Housing
Pulley Pilot3/4"
Sending Unit Thread Size1/4"
WarrantyLimited 90 Day
Part Number70441G



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

Note: Our aluminum housing can be used as a replacement for the following factory Chrysler cast iron water pump housings: Casting number 2780987 with part numbers 2780988, 2780989, or 2951806 used on 1967-1971 big block Casting number 2468007 with part number 3751217 used on 1965-1966 big block Casting number 2205862 with part numbers 2240318 or 2448758 used on 1962-1964 big block Casting number 1944916 used on 1959-1963 non-A/C big block

Warranty Information

Limited 90 Day: See Details


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         X  Holleydays 2020 20% off and DD
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