An all-aluminum X-Line performance radiator for 1963-1966 Chevrolet Suburban and full-size Pontiac models (Bonneville, Catalina, Grand Prix, Star Chief). It uses a 3-row brazed aluminum core with TIG-welded end tanks for greater cooling capacity and durability than the brittle factory unit. An internal transmission cooler keeps automatic transmission fluid at optimal temperatures.
Specifications
| Type | X-Line performance radiator |
| Material | 100% aluminum, TIG-welded end tanks |
| Core | 3-row brazed aluminum |
| Transmission Cooler | Internal transmission cooler |
| Part Number | MMRAD-CK-63X |
| Warranty | Mishimoto Lifetime Warranty |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1963-1966 | Chevrolet | Suburban | Base |
| 1961-1964 | Pontiac | Bonneville | Base |
| 1961-1964 | Pontiac | Catalina | Base |
| 1962-1966 | Pontiac | Grand Prix | Base |
| 1961-1964 | Pontiac | Star Chief | Base |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
