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More Information for SPECTRA PREMIUM CU837
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Spectra Premium Radiators are built to undertake the same durability and expectations of the OE.

  • OE clevis pins are included, where required, to allow room for the occurring thermal expansion
  • Stress cuts are made to the side rails to reduce stress on the headers and prevent warping during thermal expansion
  • Increased tube wall thickness for durability and longevity
  • Manufactured with high quality materials for extended durability
  • Subject to aging and endurance testing to validate performance under extreme weather conditions
  • Premium OE hardware and fittings included in every box
Installation Instructions

How To Measure A Radiator

Preparing to Replace Your Radiator

Attention California Customers - WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov

Radiator Flow TypeCrossflow
Core (in)20-9/16 x 12-11/16 x 1-5/16
Inlet Header12-3/4 x 1-7/8
Outlet Header12-1/2 x 1-7/8
Inlet MM32
Outlet MM32
Mount TypeTop Flange / Bottom Pin
Core Rows1
Transmission Oil CoolerNo
Engine Oil CoolerNo
Alternate/OEM Part Number(s): 171121253AM, 171121253B, 171121253BH, 171121253CL, 171121253H, 191121253N, 321121253AA, 321121253AL, 321121253ALIED, 321121253BH, 321121253BJ, 321121253BN, 321121253K, CU1834, CU937

Warranty Information:
24 Months