# TYC 121 Radiator Assembly for 1986-1990 Jeep Cherokee

### Performance Overview

OE-comparable core dimensions to achieve sufficient surface area for optimal cooling. Individually leak-tested to ensure product has no leaks.

### Key Features

#### Specifications

-   Transmission Oil Cooler Included: Yes
-   Outlet Connection Type: Hose Clamp
-   Inlet Connection Type: Hose Clamp
-   Fin Wave Pitch: 3.2
-   Total Fin Row Count: 27
-   Transmission Oil Cooler Type: Concentric Oil Cooler
-   Fin Wave Height (in): 0.31
-   Core Thickness (in): 1.26
-   No. Of Rows: 1
-   Engine Oil Cooler Included: No
-   Core Height (in): 10.55
-   Toc Distance (in): 7.52
-   Top Header: 2.98x11.33
-   Flow Configuration: Crossflow
-   Bottom Header: 2.98x11.33
-   Inlet Diameter (in): 1.5
-   Total Tube Count: 26
-   Core Length (in): 31.02
-   Fin Count (every 4"): 64
-   Tube Width X Height: 32x2
-   Core Material: Aluminum
-   Tube Count (every 4"): 10
-   Outlet Diameter (in): 1.26

#### Package Details

-   Part Number: 121
-   84-90 JP CHRKE 4.0L L6 2R PA RAD
-   Package L x W x H: 14.76" x 6.10" x 38.78"
-   Package Weight: 13.24 lbs.

#### Interchanges

-   DPI (DataPoint Inc): 121
-   CryoMAX: 121
-   Thermal Solutions Manufacturing: 432268
-   Jeep: 52003696
-   OSC: 78
-   APDI: 8010078
-   Partslink: CH3010193
-   Spectra Premium: CU78
-   CRS: CUC121

### Vehicle Fitment Table

Year

Make

Model

Position

Fitment Precision

Note

1987

Jeep

Cherokee

Base; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary / Laredo; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary / Limited; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary / Pioneer; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1987

Jeep

Cherokee

Chief; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1988

Jeep

Cherokee

Base; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary / Laredo; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary / Limited; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary / Pioneer; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1988

Jeep

Cherokee

Chief; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1989

Jeep

Cherokee

Base; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary / Laredo; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary / Limited; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary / Pioneer; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1989

Jeep

Cherokee

Sport; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1990

Jeep

Cherokee

Base; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary / Laredo; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary / Limited; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary / Pioneer; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1990

Jeep

Cherokee

Sport; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1986

Jeep

Comanche

Custom; 2.8L V6 173ci; Standard Cab Pickup; 2.8L V6 173ci, Primary / X; 2.8L V6 173ci; Standard Cab Pickup; 2.8L V6 173ci, Primary / XLS; 2.8L V6 173ci; Standard Cab Pickup; 2.8L V6 173ci, Primary

Std Duty Cooling; with Factory Installed A/C

1987

Jeep

Comanche

Base; 4.0L L6 242ci; Standard Cab Pickup; 4.0L L6 242ci, Primary / Pioneer; 4.0L L6 242ci; Standard Cab Pickup; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1987

Jeep

Comanche

Chief; 4.0L L6 242ci; Standard Cab Pickup; 4.0L L6 242ci, Primary / Laredo; 4.0L L6 242ci; Standard Cab Pickup; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1988

Jeep

Comanche

Base; 4.0L L6 242ci; Standard Cab Pickup; 4.0L L6 242ci, Primary / Pioneer; 4.0L L6 242ci; Standard Cab Pickup; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1988

Jeep

Comanche

Chief; 4.0L L6 242ci; Standard Cab Pickup; 4.0L L6 242ci, Primary / Laredo; 4.0L L6 242ci; Standard Cab Pickup; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1988

Jeep

Comanche

Eliminator; 4.0L L6 242ci; Standard Cab Pickup; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1989

Jeep

Comanche

Base; 4.0L L6 242ci; Standard Cab Pickup; 4.0L L6 242ci, Primary / Pioneer; 4.0L L6 242ci; Standard Cab Pickup; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1989

Jeep

Comanche

Eliminator; 4.0L L6 242ci; Standard Cab Pickup; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1990

Jeep

Comanche

Base; 4.0L L6 242ci; Standard Cab Pickup; 4.0L L6 242ci, Primary / Pioneer; 4.0L L6 242ci; Standard Cab Pickup; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1990

Jeep

Comanche

Eliminator; 4.0L L6 242ci; Standard Cab Pickup; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1987

Jeep

Wagoneer

Base; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1987

Jeep

Wagoneer

Limited; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1988

Jeep

Wagoneer

Limited; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1989

Jeep

Wagoneer

Limited; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

1990

Jeep

Wagoneer

Limited; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary

Std Duty Cooling; with Factory Installed A/C

### FAQ

**Will this fit my vehicle?**  
Please verify your year, make, model, position, and any fitment notes using the Vehicle Fitment Table above before purchase.

**What part number is this?**  
The listed part number is 121.

**Is this product designed for direct replacement?**  
Yes. This product is intended to match the compatible vehicle applications listed in the Vehicle Fitment Table.

**Should I confirm fitment before ordering?**  
Yes. Always compare your original part, position, and vehicle details with the Vehicle Fitment Table before ordering.

### Common Searches

-   Radiator Assembly for Jeep Cherokee
-   121 fitment
-   TYC Radiator Assembly
-   1987-1988 Jeep Cherokee Radiator Assembly

## Details

- **Price:** 289.56 CAD
- **Vendor:** TYC
- **Type:** Radiator Assembly
- **Tags:** 121, 1986 Jeep Comanche, 1987 Jeep Wagoneer, 1987-1988 Jeep Cherokee, 1987-1988 Jeep Comanche, 1987-1990 Jeep Cherokee, 1987-1990 Jeep Comanche, 1987-1990 Jeep Wagoneer, 1988-1990 Jeep Comanche, 1989-1990 Jeep Cherokee, Base; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Chief; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Eliminator; 4.0L L6 242ci; Standard Cab Pickup; 4.0L L6 242ci, Limited; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, Primary, Radiator Assembly, Sport; 4.0L L6 242ci; Sport Utility; 4.0L L6 242ci, TYC

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 289.56 CAD | In stock |

## Images

- TYC 121 Radiator Assembly for 1986-1990 Jeep Cherokee

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/tyc-121-radiator-assembly)
> Updated: 2026-07-31