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Product Summary

47-53 GMC, 47-53 Chevy, Single Pass Radiator Style

  • 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

Key Specs

MFG. Part #Z-AC520-1
Radiator StyleSingle Pass
Radiator Flow DirectionDownflow
Material TypeCopper/Brass
FinishPainted

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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.

  • Simple bolt-in install
  • 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
  • Top Inlet:  Center (1-1/2")
  • Bottom Outlet:  Right (1-3/4")
  • Oil Cooler Fittings:  1/8" pipe thread
  • Condenser Fittings:  #6 and #8 O-ring design
  • Condenser Refrigerant:  R-12 or R-134a

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

Warranties

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

Specifications

KEY SPECS
MFG. Part #Z-AC520-1
BrandWalker Radiator Works
Radiator StyleSingle Pass
Radiator Flow DirectionDownflow
Material TypeCopper/Brass
FinishPainted
GENERAL
Inlet LocationCenter
Outlet LocationLower passenger side
Row Quantity4
Tube Size1.00"
Overall Width Range20.00" to 20.99"
Overall Width20.13"
Overall Height Range24.00" to 24.99"
Overall Height24.38"
Overall Thickness4.75"
Core Width Range19.00" to 19.99"
Core Width19.88"
Core Height Range19.00" to 19.99"
Core Height19.75"
Core Thickness2.75"
Cooling FanNot Included
Transmission CoolerYes
Shroud IncludedNo
Filler Neck Height.88"
Inlet Size1.50
ColorBlack
Fan IncludedNo
Notes1/8" NPT fittings for transmission cooler. 1/4" NPT fitting for drain. 1.25" wide mounting flanges on both sides. 5/8"-18 and 3/4"-16 inverted flare fittings for A/C.
Sold in QuantityEach