OE Quality
60-Day Returns

Global Parts 4712121 A/C Evaporator Core - Front
Reliable A/C Evaporator Core for Buick, Oldsmobile, and Pontiac Models
The Global Parts A/C Evaporator Core 4712121 is designed to restore efficient cooling performance in select Buick, Oldsmobile, and Pontiac vehicles. This replacement part is engineered to meet OEM specifications, ensuring proper fit and function for your vehicle's HVAC system.
- Compatible with Buick Rendezvous and Silhouette models
- Fits Oldsmobile Silhouette and Pontiac Aztek, Montana models
- Part number 4712121 for precise identification
- Constructed to meet original equipment standards
- Designed for direct replacement in HVAC systems
Product Details and Compatibility
This A/C evaporator core from Global Parts is specifically made for use in the HVAC systems of Buick Rendezvous and Silhouette, Oldsmobile Silhouette, and Pontiac Aztek and Montana vehicles. The part number 4712121 ensures compatibility and ease of ordering. The evaporator core plays a critical role in the air conditioning system by absorbing heat from the cabin air, allowing the system to deliver cool air efficiently. Manufactured to match OEM quality, this evaporator core supports reliable operation and longevity.
Common Issues Addressed by This A/C Evaporator Core
- Reduced cooling performance or warm air from vents
- Leaks or moisture buildup inside the HVAC system
- Unusual odors caused by mold or mildew in the evaporator
- Excessive condensation or fogging on windows
- System freeze-ups or inconsistent air flow
Installation Notes and Tips
- Ensure the vehicle is compatible: Buick Rendezvous, Silhouette; Oldsmobile Silhouette; Pontiac Aztek, Montana
- Disconnect the battery before beginning HVAC system work
- Properly evacuate and recharge the A/C refrigerant according to manufacturer guidelines
- Inspect related components such as the blower motor and cabin air filter during installation
- Use OEM or equivalent tools to avoid damage to the evaporator core or HVAC housing
Quality Assurance and Warranty Information
Global Parts manufactures this A/C evaporator core to meet or exceed original equipment standards, ensuring reliable performance and durability. The part number 4712121 undergoes quality control inspections to maintain consistency. Warranty coverage details should be confirmed with the distributor or installer, as they may vary by region or purchase source.
This part fits 24 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2007 | Buick | Rendezvous | 3.5L | V6 | N/A | ||
| 2006 | Buick | Rendezvous | 3.6L | V6 | N/A | ||
| 2006 | Buick | Rendezvous | 3.5L | V6 | N/A | ||
| 2005 | Buick | Rendezvous | 3.6L | V6 | N/A | ||
| 2005 | Buick | Rendezvous | 3.4L | V6 | N/A | ||
| 2005 | Pontiac | Aztek | 3.4L | V6 | N/A | ||
| 2005 | Pontiac | Montana | 3.5L | V6 | GAS | Front | Fitment: Rear A/C not included. |
| 2005 | Pontiac | Montana | 3.4L | V6 | Front | Fitment: Rear A/C not included. | |
| 2004 | Buick | Rendezvous | 3.6L | V6 | N/A | ||
| 2004 | Buick | Rendezvous | 3.4L | V6 | N/A | ||
| 2004 | Oldsmobile | Silhouette | 3.4L | V6 | Front | ||
| 2004 | Pontiac | Aztek | 3.4L | V6 | N/A | ||
| 2004 | Pontiac | Montana | 3.4L | V6 | Front | ||
| 2003 | Buick | Rendezvous | 3.4L | V6 | N/A | ||
| 2003 | Oldsmobile | Silhouette | 3.4L | V6 | Front | ||
| 2003 | Pontiac | Aztek | 3.4L | V6 | N/A | ||
| 2003 | Pontiac | Montana | 3.4L | V6 | Front | ||
| 2002 | Buick | Rendezvous | 3.4L | V6 | N/A | ||
| 2002 | Oldsmobile | Silhouette | 3.4L | V6 | Front | ||
| 2002 | Pontiac | Aztek | 3.4L | V6 | N/A | ||
| 2002 | Pontiac | Montana | 3.4L | V6 | Front | ||
| 2001 | Oldsmobile | Silhouette | 3.4L | V6 | Front | ||
| 2001 | Pontiac | Aztek | 3.4L | V6 | N/A | ||
| 2001 | Pontiac | Montana | 3.4L | V6 | Front |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.