Upper Front Intake Manifold Replacement | Compatible With 96-00 Ford Crown Victoria V8 4.6l, 96-98 Mustang - V8 4.6l, 96-00 Lincoln Town Car - V8 4.6l | 9424-AA
Premium OEM Replacement Engine Upper Intake Manifold – 4.6L V8
Ensure smooth airflow distribution, optimal engine responsiveness, and dependable engine performance with this high-quality Engine Upper Intake Manifold Assembly. Precision-engineered by D2P Autoparts to match original factory specifications, this direct replacement component features an 8-port design for an exact-fit installation on compatible Ford, Lincoln, and Mercury 4.6L V8 applications.
Key Features
OEM Precision Performance
High-performance aftermarket unit engineered by D2P Autoparts to match original factory fitment, air distribution efficiency and engine performance for compatible 4.6L V8 applications.
Direct Replacement
Precision-engineered to match original factory dimensions and port alignment for a hassle-free direct-fit installation without unnecessary modifications.
8-Port Engine Air Delivery
Features 8 precision-molded runner ports with 39 x 39 mm port dimensions to support balanced airflow distribution and efficient engine combustion.
Durable Construction
Manufactured using high-quality thermal and impact-resistant materials with a sleek black finish to withstand under-hood heat, vibration and everyday operation.
Vehicle Compatibility
Compatible with selected Ford, Lincoln and Mercury vehicles equipped with compatible 4.6L V8 engines and applicable VIN configurations.
- Crown Victoria — V8 4.6L Sedan / VIN Digits W, 9, 6: 1996–2000
- Mustang — V8 4.6L SOHC Coupe & Convertible / VIN Digit X: 1996–1998
- Thunderbird — V8 4.6L Coupe & Sedan / VIN Digit W: 1996–1997
- Town Car — V8 4.6L Sedan & Limousine / VIN Digit W: 1996–2000
- Grand Marquis — V8 4.6L Sedan: 1996–2000
- Cougar — V8 4.6L Sedan & Coupe: 1996–1997
Product Specifications
Reference & OE Part Numbers
Primary OE Numbers:
📦 What's in the Box?
1x Engine Upper Intake Manifold Assembly
• 8-port intake manifold design for compatible 4.6L V8 applications
• 39 x 39 mm port outlet dimensions
• Direct replacement design engineered for compatible OEM applications
• Installation instructions are not included; professional installation strongly recommended
🛠️ Installation
Self-installation is not recommended. Professional installation by a qualified technician or mechanic is strongly recommended to ensure correct seal seating, prevent vacuum leaks and ensure proper engine intake system operation.
Proper installation is important to maintain intake manifold sealing and prevent air or vacuum leaks that could affect engine performance.
🛡️ Warranty & Coverage
Buy with confidence!
- 10-Year Extended Warranty — applies when installed by a fully qualified professional
- Activation: Provide a copy of the garage fitment invoice within 30 days of installation
- Standard Coverage: If no invoice is provided within 30 days of purchase, coverage defaults to a standard 1-year warranty
- Terms: Warranty covers the product only and excludes labour or additional incurred expenses
Frequently Asked Questions
The engine upper intake manifold distributes incoming air to the engine cylinders through its individual intake runners. Correct airflow distribution helps support efficient combustion, engine responsiveness and consistent performance.
- Air Distribution: Directs incoming air toward the engine cylinders.
- Balanced Airflow: Helps maintain consistent airflow between cylinders.
- Engine Performance: Supports proper combustion and engine responsiveness.
- Intake System Sealing: Provides a sealed pathway for engine intake air.
A damaged or leaking intake manifold can contribute to poor engine performance, vacuum leaks, rough running or reduced fuel efficiency.
Common symptoms of a damaged, cracked or leaking engine upper intake manifold can include:
- Rough or unstable engine idle
- Engine hesitation or reduced responsiveness
- Vacuum leaks
- Reduced engine performance
- Increased fuel consumption
- Check engine warning light
- Air or vacuum leakage around the intake manifold
- Engine misfires on applicable vehicles
Proper diagnostic testing should be carried out before replacing the manifold, as similar symptoms can be caused by vacuum hoses, gaskets, sensors or other engine components.
This is a high-quality aftermarket replacement engine upper intake manifold supplied by D2P Autoparts. It is not represented as a genuine Ford, Lincoln or Mercury manufactured part.
The manifold is engineered as a direct replacement for the listed OE and reference numbers and is designed for reliable operation on compatible 4.6L V8 applications.
This engine upper intake manifold is listed for compatible 4.6L V8 applications including:
- Ford: Crown Victoria, Mustang and Thunderbird
- Lincoln: Town Car
- Mercury: Grand Marquis and Cougar
Model years range from 1996 to 2000 depending on the vehicle. Always verify the exact engine, VIN configuration and OE part number before purchasing.
This engine upper intake manifold features 8 precision-molded runner ports.
- Number of Ports: 8
- Port Outlet Dimensions: 39 mm x 39 mm
- Manifold Height: 8 inches
Always compare the original manifold and specifications before installation to ensure the replacement is suitable for your vehicle.
Professional installation by a qualified technician or mechanic is strongly recommended. Correct installation is important to ensure proper manifold sealing and engine operation.
- Correct manifold positioning is required.
- All mounting points must be correctly secured.
- Proper gasket or sealing surfaces must be maintained.
- Vacuum and intake leaks must be avoided.
- All connected components should be correctly reinstalled.
- Engine operation should be checked following installation.
A vacuum leak can allow unmetered air to enter the engine intake system and may affect the engine's air-fuel mixture and overall operation.
Possible symptoms can include rough idle, hesitation, reduced performance, increased fuel consumption or engine warning lights. Correct installation and proper sealing of the intake manifold are therefore important.
The manifold is listed against a range of OE and reference numbers, including:
- F6SZ9424AA
- F8AZ9424AAA
- F8AZ9424BAA
- 2L1Z-9424-AA
- 4C2Z-9424-CA
- 5C2Z9424AA
- 9C2Z9424AA
- AC2Z9424A
- 615-178 / 615-188
Always match the complete OE part number on your existing factory manifold before purchasing.
This product includes an Extended Warranty under the following terms:
- 10-Year Extended Warranty: Applies when installed by a fully qualified professional.
- Activation: Provide a copy of the garage fitment invoice within 30 days of installation.
- Standard Coverage: If no invoice is submitted within 30 days of purchase, coverage defaults to a standard 1-year warranty.
- Coverage Scope: Warranty covers the product only and excludes labour charges and additional expenses.
Professional installation documentation should be retained as proof of installation for warranty validation.
To confirm 100% compatibility before purchasing, we recommend the following:
- Check Vehicle Model & Year: Confirm your vehicle is included in the compatibility list.
- Check Engine: Confirm your vehicle is equipped with the compatible 4.6L V8 engine.
- Check VIN: Verify the applicable VIN digit or configuration for your vehicle.
- Match OE Part Numbers: Compare your original manifold number against the listed OE and reference numbers.
- Check Port Configuration: Confirm the original manifold uses the same 8-port design and applicable dimensions.
- Contact Us: Provide your VIN and original manifold part number so compatibility can be checked before purchase.
Matching the OE part number on your existing factory intake manifold is the most reliable way to confirm correct fitment.
Why Choose D2P Autoparts?
We provide high-quality, precision-engineered aftermarket engine components designed for reliable performance and long-term durability. This Engine Upper Intake Manifold is engineered as a direct replacement for compatible 4.6L V8 applications and is backed by a 10-Year Extended Warranty when professionally installed and properly validated.
1. Warranty CoverageThis warranty covers defects in materials or workmanship under normal use. If a product becomes defective during the warranty period, we will replace the item at no additional cost, provided the claim meets our eligibility criteria.To file a claim:Notify our support team immediately upon discovering the defect.
- Submit a Faulty Proof such as [Faulty Part Image/Video].
- Provide the original proof of purchase.
2. Installation & Activation (The 30-Day Rule)To ensure your product performs at its best, the extended 10-year warranty is only valid if the product is installed by a qualified professional.
- Professional Installation Required: You must have the product fitted by a fully qualified professional/garage.
- 30-Day Validation Window: To activate the 10-year coverage, you must submit a copy of your valid fitment garage invoice within 30 days of the installation date.
- Standard Coverage: If proof of professional installation is not provided within 30 days, the warranty defaults to a 1-year limited warranty from the date of purchase.
3. Warranty ExclusionsPlease note that this warranty does not cover defects or damage resulting from:
- Normal Wear & Tear: Gradual deterioration from everyday use.
- Misuse: Negligence, willful damage, or accidental impact.
- Modifications: Tampering, unauthorized repairs, or physical alterations.
- Incorrect Installation: Any installation performed by the customer or an unqualified third party.
- Environmental Factors: Abnormal operating conditions or failure to follow the manufacturer’s written or verbal instructions.
4. How to Submit Your Proof of InstallationPlease email your garage invoice to sales@d2pautoparts.com with the subject line: "Warranty Activation - Order #[Your Order Number]".
Note: We recommend keeping a digital copy of your installation receipt for the duration of the 10-year period.
5. Limitation of LiabilityD2P Autopart is not responsible for any labor costs, loss of time, or incidental damages related to the removal or replacement of a defective product. Our liability is limited strictly to the repair or replacement of the product itself.
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