OE Quality
60-Day Returns

Apex AMS4721 Engine Intake Manifold Gasket Set - Lower or Lower and Upper
Reliable Engine Intake Manifold Gasket Set for Ford, Lincoln, and Mercury
The Apex AMS4721 Engine Intake Manifold Gasket Set is designed to provide a precise seal for your vehicle's intake manifold. Compatible with a range of Ford, Lincoln, and Mercury models, this gasket set helps maintain engine performance and prevent leaks.
- Compatible with Ford Crown Victoria, E-150, E-150 Club Wagon, E-250, E-350 Club Wagon, E-350 Super Duty, Explorer
- Also fits Lincoln Grand Marquis, Mountaineer, and Mercury Town Car
- Engine intake manifold gasket set designed for a secure and durable seal
- Part number AMS4721 ensures correct fitment and quality
- Manufactured by Apex for consistent performance and reliability
Product Details and Compatibility
The Apex AMS4721 gasket set is engineered specifically for use in the intake manifold systems of select Ford, Lincoln, and Mercury vehicles. This set is essential for maintaining the proper seal between the intake manifold and the engine block, preventing air and coolant leaks that can affect engine efficiency. The gasket set is compatible with popular models such as the Ford Crown Victoria, E-150 series, E-250, E-350 Club Wagon and Super Duty, Explorer, as well as the Lincoln Grand Marquis, Mountaineer, and Mercury Town Car. Using the correct gasket set like the AMS4721 helps ensure optimal engine operation and longevity.
Common Applications and Issues Addressed
- Prevents vacuum leaks that can cause rough idling or engine misfires
- Stops coolant leaks that may lead to engine overheating
- Maintains proper air-fuel mixture for efficient combustion
- Eliminates intake manifold gasket failure symptoms such as poor acceleration
- Helps avoid engine performance loss due to intake manifold seal degradation
Installation Notes and Tips
When installing the Apex AMS4721 intake manifold gasket set, ensure the mating surfaces are clean and free of old gasket material or debris. Proper torque specifications should be followed to avoid warping or damaging the gasket. It is recommended to inspect the intake manifold and surrounding components for wear or damage during installation. Using the correct gasket set for your specific Ford, Lincoln, or Mercury model will help achieve a reliable seal and prevent future leaks.
Quality Assurance and Warranty
Apex manufactures the AMS4721 gasket set to meet industry standards for durability and fitment. While specific warranty details are not provided, Apex products typically undergo quality control processes to ensure consistent performance. Using a genuine Apex gasket set helps maintain the integrity of your vehicle's engine sealing system.
This part fits 48 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Ford | Crown Victoria | 4.6L | V8 | Lower | |
| 2011 | Lincoln | Town Car | 4.6L | V8 | N/A | |
| 2011 | Mercury | Grand Marquis | 4.6L | V8 | N/A | |
| 2010 | Ford | Crown Victoria | 4.6L | V8 | Lower | |
| 2010 | Ford | E-150 | 5.4L | V8 | N/A | TO 10/04/09; Lower & Upper Set |
| 2010 | Lincoln | Town Car | 4.6L | V8 | N/A | |
| 2010 | Mercury | Grand Marquis | 4.6L | V8 | N/A | |
| 2009 | Ford | Crown Victoria | 4.6L | V8 | Lower | |
| 2009 | Lincoln | Town Car | 4.6L | V8 | N/A | |
| 2009 | Mercury | Grand Marquis | 4.6L | V8 | N/A | |
| 2008 | Ford | Crown Victoria | 4.6L | V8 | Lower | |
| 2008 | Lincoln | Town Car | 4.6L | V8 | N/A | |
| 2008 | Mercury | Grand Marquis | 4.6L | V8 | N/A | |
| 2007 | Ford | Crown Victoria | 4.6L | V8 | Lower | |
| 2007 | Ford | E-150 | 5.4L | V8 | Lower and Upper | |
| 2007 | Ford | E-250 | 5.4L | V8 | Lower and Upper | |
| 2007 | Ford | E-350 Super Duty | 5.4L | V8 | Lower and Upper | |
| 2007 | Lincoln | Town Car | 4.6L | V8 | N/A | |
| 2007 | Mercury | Grand Marquis | 4.6L | V8 | N/A | |
| 2006 | Ford | Crown Victoria | 4.6L | V8 | Lower | |
| 2006 | Ford | E-150 | 5.4L | V8 | Lower and Upper | |
| 2006 | Ford | E-250 | 5.4L | V8 | Lower and Upper | |
| 2006 | Ford | E-350 Super Duty | 5.4L | V8 | Lower and Upper | |
| 2006 | Lincoln | Town Car | 4.6L | V8 | N/A | |
| 2006 | Mercury | Grand Marquis | 4.6L | V8 | N/A | |
| 2005 | Ford | Crown Victoria | 4.6L | V8 | Lower | |
| 2005 | Ford | E-150 | 5.4L | V8 | Lower and Upper | |
| 2005 | Ford | E-150 Club Wagon | 5.4L | V8 | Lower and Upper | |
| 2005 | Ford | E-250 | 5.4L | V8 | Lower and Upper | |
| 2005 | Ford | E-350 Club Wagon | 5.4L | V8 | Lower and Upper | |
| 2005 | Ford | E-350 Super Duty | 5.4L | V8 | Lower and Upper | |
| 2005 | Ford | Explorer | 4.6L | V8 | Lower and Upper | |
| 2005 | Lincoln | Town Car | 4.6L | V8 | N/A | |
| 2005 | Mercury | Grand Marquis | 4.6L | V8 | N/A | |
| 2005 | Mercury | Mountaineer | 4.6L | V8 | Lower and Upper | |
| 2004 | Ford | Crown Victoria | 4.6L | V8 | Lower | |
| 2004 | Ford | E-150 | 5.4L | V8 | Lower and Upper | |
| 2004 | Ford | E-150 Club Wagon | 5.4L | V8 | Lower and Upper | |
| 2004 | Ford | E-250 | 5.4L | V8 | Lower and Upper | |
| 2004 | Ford | E-350 Club Wagon | 5.4L | V8 | Lower and Upper | |
| 2004 | Ford | E-350 Super Duty | 5.4L | V8 | Lower and Upper | |
| 2004 | Ford | Explorer | 4.6L | V8 | Lower and Upper | |
| 2004 | Mercury | Grand Marquis | 4.6L | V8 | N/A | |
| 2004 | Mercury | Mountaineer | 4.6L | V8 | Lower and Upper | |
| 2003 | Ford | Explorer | 4.6L | V8 | Lower and Upper | |
| 2003 | Mercury | Mountaineer | 4.6L | V8 | Lower and Upper | |
| 2002 | Ford | Explorer | 4.6L | V8 | Lower and Upper | |
| 2002 | Mercury | Mountaineer | 4.6L | V8 | Lower and Upper |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.