Product Summary

Single Pass Radiator Style, Copper/Brass, Painted

  • Engineered for a direct fit with heavy gauge steel side brackets and mounting holes pre-stamped
  • Has a copper core w/ 1-piece brass tanks
  • There are vertical tubes every 1/4" and 12 fins per inch of height
  • Features heavy duty 12 Ga. steel side brackets w/ pre-drilled holes
  • It use a 15-18 lb. radiator cap and has a brass drain cock
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Key Specs

MFG. Part #Z-AC509-1
Radiator StyleSingle Pass
Radiator Flow DirectionDownflow
Material TypeCopper/Brass
Inlet LocationCenter
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Need To Know

Quick and Easy Returns

Return Policy

Walker Radiator Works Z-AC509-1 Details

Walker Z-Series radiators feature a 4-row, high-flow copper core which is ideal for use with Big Blocks, blowers, and high compression engines. Built for a direct fit with heavy gauge steel side brackets and mounting holes pre-stamped. Includes a built-in oil cooler for automatic transmissions.

  • Copper core w/ 1-piece brass tanks
  • Vertical tubes every 1/4" and 12 fins per inch of height
  • Heavy duty 12 Ga. steel side brackets w/ pre-drilled holes
  • Use a 15-18 lb. radiator cap
  • Brass drain cock
  • Simple bolt-in install

Chevy Chassis W/ Chevy Engine Application Chart (GIF)

Learn more about how radiators work and selecting the proper radiator for your vehicle by reading our tech article. Radiator Cooling Performance.  

Item Details

With A/C Condenser
Condenser Fittings: #6 and #8 O-ring design
Condenser Refrigerant: R-12 or R-134a
Use Walker Fan Shroud Style B

Specs


Warranty Information

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This item is in closeout status and as such, no manufacturer warranty is applicable or extended with its purchase.

Walker Radiator Works Z-AC509-1 Specifications

KEY SPECS
MFG. Part #Z-AC509-1
BrandWalker Radiator Works
Radiator StyleSingle Pass
Radiator Flow DirectionDownflow
Material TypeCopper/Brass
Inlet LocationCenter
Outlet LocationLower passenger side
Row Quantity4
Overall Width Range17.00" to 17.99"
Overall Width17.19"
Overall Height Range27.00" to 27.99"
Overall Height27"
Overall Thickness5.50"
Core Width Range16.00" to 16.99"
Core Width16.88"
Core Height Range22.00" to 22.99"
Core Height22"
Core Thickness2.75"
FinishPainted
Cooling FanNot Included
Transmission CoolerYes
Shroud IncludedNo
Inlet Size1.50
GENERAL
Sold in QuantityEach
Notes1/8" NPT fittings for transmission cooler. 1/4" NPT fitting for drain. 5/8"-18 and 3/4"-16 inverted flare fittings for A/C.
Filler Neck Height2.38"
ColorBlack
Fan IncludedNo

Questions & Answers

Fitment

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