HomeEngine > Gaskets and Sealing SystemsApex AMS4991 Engine Intake Manifold Gasket Set - Lower
Part #: AMS4991

Apex AMS4991 Engine Intake Manifold Gasket Set - Lower

Lower
3 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Jaguar and Lincoln, LS and S-Type
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Engine Intake Manifold Gasket Set for Jaguar LS and Lincoln S-Type

The Apex AMS4991 engine intake manifold gasket set is designed specifically for Jaguar LS and Lincoln S-Type models. This gasket set ensures a proper seal between the intake manifold and engine block, helping maintain optimal engine performance and efficiency.

  • Compatible with Jaguar LS and Lincoln S-Type vehicles
  • Engine intake manifold gasket set designed for precise fitment
  • Durable materials to withstand engine heat and pressure
  • Part number AMS4991 for easy identification and replacement

Durable Gasket Set for Engine Sealing Systems

The Apex AMS4991 gasket set is engineered to provide a reliable seal in the engine intake manifold area, preventing air and coolant leaks that can affect engine operation. Proper sealing is critical to maintaining engine vacuum and preventing contamination of the intake air. This gasket set is manufactured to meet OEM specifications, ensuring compatibility and performance for Jaguar LS and Lincoln S-Type models.

Applications and Common Issues Addressed

  • Prevents vacuum leaks that cause rough idling or poor acceleration
  • Stops coolant leaks that can lead to engine overheating
  • Maintains proper air-fuel mixture for efficient combustion
  • Reduces risk of engine misfires related to intake manifold sealing
  • Helps avoid check engine light triggers related to intake leaks

Installation Notes and Tips

When installing the Apex AMS4991 gasket set, ensure the intake manifold and mating surfaces are clean and free of old gasket material or debris. Use proper torque specifications for the intake manifold bolts to avoid warping or damage. It is recommended to inspect the intake manifold for cracks or damage before installation to ensure a proper seal.

Quality Assurance and Warranty

Apex manufactures the AMS4991 gasket set to meet strict quality standards, providing consistent fit and function for Jaguar LS and Lincoln S-Type vehicles. While specific warranty details are not provided, Apex products typically adhere to industry standards for durability and reliability in engine sealing applications.

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2001LincolnLS3.0LV6Lower
2000JaguarS-Type3.0LV6Lower
2000LincolnLS3.0LV6Lower

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.