Denso 221-9037 Radiator

Brand Denso 221-9037
Core Height 23.4252
Core Thickness 1.2598
Core Width 21.5748
Inlet Diameter 1.4961
Outlet Diameter 1.4961
Transmission Oil Cooler Included YES
Fits Jeep · 6 vehicles

OE experience. Built to OE standards for reliable performance and fit.

Radiator performance. Helps maintain proper engine cooling and function.

Transmission oil cooler included. Adds integrated cooling support in one assembly.

Cross-references APDI 8012262, CSF 3115 and DPI Performance Racing Products 2262 for the same application. See all 9.

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Denso Radiator for Grand Cherokee Cooling Service

The Denso 221-9037 radiator is a direct-fit cooling system replacement for 1999-2004 Jeep Grand Cherokee models. Built to OE-style dimensions and materials, it supports stable engine temperature control and includes a transmission oil cooler for vehicles equipped with automatic transmission cooling.

  • Fits 1999-2004 Jeep Grand Cherokee
  • Part number: 221-9037
  • Transmission oil cooler included
  • Core height: 23.4252 in.
  • Core width: 21.5748 in.
  • Core thickness: 1.2598 in.
  • Inlet diameter: 1.4961 in.
  • Outlet diameter: 1.4961 in.

OE-Style Construction and Fitment

Denso supplies radiators to original equipment vehicle manufacturers, and this radiator reflects that OE-focused engineering approach. The core dimensions, tank design, fin pitch, and materials are built to meet strict manufacturer standards for fitment and cooling performance. For Jeep Grand Cherokee radiator replacement needs, the 221-9037 is a practical choice when restoring proper coolant flow and heat rejection.

This part cross-references APDI 8012262 and Spectra Premium CU2262 for the same application.

What This Radiator Helps Address

  • Overheating caused by a restricted or leaking radiator
  • Coolant loss from cracked tanks or damaged core seams
  • Poor heat transfer from clogged or corroded cooling passages
  • Transmission fluid temperature control concerns on equipped vehicles
  • Fitment issues from an incorrect Jeep Grand Cherokee radiator

Installation Notes and Tips

Verify inlet and outlet hose diameter match before installation. Inspect radiator hoses, clamps, and the cooling fan assembly during replacement, and flush the cooling system if contamination or corrosion is present. Confirm the vehicle is a 1999-2004 Jeep Grand Cherokee before ordering the Denso 221-9037.

Quality Assurance

Denso radiators are built from OE experience and undergo durability and function testing before release. That testing process helps ensure consistent performance, reliable cooling, and proper fitment for daily driving and demanding operating conditions.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2004JeepGrand CherokeeN/A—
2003JeepGrand CherokeeN/A—
2002JeepGrand CherokeeN/A—
2001JeepGrand CherokeeN/A—
2000JeepGrand CherokeeN/A—
1999JeepGrand CherokeeN/A—
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
APDI — 8012262CSF — 3115DPI Performance Racing Products — 2262Jeep — 5207 9428ABJeep — 5207 9428ADOSC — 2262Reach Cooling — 41-2262Spectra Premium — CU2262TYC Cooling - Archived — 2262