Upper Intake Manifold Replacement 5.4L V8 - Direct Fit

In this review the focus is on the GELUOXI upper intake manifold as a direct replacement for Ford 5.4L V8 engines. The bottom line: this manifold is for owners who need a straightforward OEM-style swap that restores airflow and engine responsiveness. It fits a wide range of Ford vans, trucks and SUVs from 2000 through mid 2010s when specified for the 5.4L V8, and its chief appeal is delivering correct fit and function when care is taken to verify vehicle compatibility before purchase.

Key Features

• OEM part compatibility: Built to match part numbers 2L1Z9424AA, 4C2Z9424CA, 5C2Z9424AA and others so it aligns with factory mounting and plenum geometry for the 5.4L V8.
• Wide vehicle coverage: Covers many Ford applications from E150, E250, E350, E450, Excursion, Expedition and F series trucks across model years when equipped with the 5.4L V8, making it useful for fleet and repair shops.
• Complete upper manifold assembly: Includes the upper intake section and gaskets to simplify replacement and reduce the need to source separate sealing parts.
• Restores airflow distribution: The manifold plenum and runners are shaped to deliver the intended air distribution to each cylinder, helping return drivability and throttle response.
• After purchase support: Seller warranty assistance is available within 12 months for fitment or quality concerns, offering peace of mind for replacements.

Who It's For

This product is aimed at mechanics, DIY owners and fleet technicians who are replacing a failed or leaking upper intake manifold on Ford vehicles with the 5.4L V8 engine. It is especially useful when the original part numbers listed are present and the buyer wants a like-for-like replacement that matches factory mounting points.

It is not appropriate for buyers with engines other than the 5.4L V8 or for those who expect upgraded performance parts; compatibility must be checked carefully. Also, those who need premium fasteners or preinstalled threaded inserts should be aware some customers reported concerns about hardware quality.

Pros & Cons

Pros

• Good fit and function for matching 5.4L V8 vehicles, restoring engine feel and airflow.
• Broad application list simplifies parts sourcing for many Ford vans and trucks.
• Includes gaskets to make the swap more complete and reduce additional purchases.

Cons

• Some customers reported concerns with hardware quality and bolt hole depth, so additional fasteners or inserts may be needed for a robust installation.

Specifications

Part number compatibility	2L1Z9424AA, 4C2Z9424CA, 5C2Z9424AA, 9C2Z9424AA, 615-188
Engine fit	Ford 5.4L V8 only
Included items	Upper intake manifold with gaskets
Covered vehicles	Ford E150/E250/E350/E450, Excursion, Expedition, F150/F250/F350 models listed
Warranty support	Customer assistance available within 12 months

Our Verdict

The GELUOXI upper intake manifold is a practical, value-focused replacement for technicians and owners maintaining Ford 5.4L V8 vehicles. It restores correct airflow and generally fits as expected when matched to the listed part numbers, making it a sensible choice for repairs. Buyers should double-check vehicle compatibility and be prepared to address hardware or insert issues noted by some users to ensure a secure installation.

Frequently Asked Questions

Will this manifold fit my truck?
It fits only Ford vehicles with the 5.4L V8 listed in the application list; verify your OEM part number matches one of the listed equivalents before purchasing.

Are gaskets included?
Yes, the upper intake manifold is supplied with gaskets to simplify installation.

What if I find fitment or hardware problems?
The seller offers support within 12 months; if hardware quality or bolt depth is an issue, supplemental fasteners or threaded inserts may be required.