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Part #: CS54988

Mahle CS54988 Engine Conversion Gasket Set

Lower Engine Gasket Set (Conversion Set)
⚙️ 48 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Lower Engine Gasket Set (Conversion Set)
🚗Fitment: Ford and Lincoln, Expedition, F-150, Navigator, Transit-150, Transit-250, Transit-350, and Transit-350 HD
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Overview of Mahle Lower Engine Gasket Set (Conversion Set)

The Mahle Lower Engine Gasket Set (Conversion Set) CS54988 is designed for reliable sealing performance in Ford and Lincoln vehicles. This engine conversion gasket set includes essential components to maintain engine integrity and prevent leaks in models such as the Ford F-150, Expedition, and Lincoln Navigator.

  • Includes oil cooler o-rings, oil drain plug gasket, and oil filter adapter gasket
  • Rear main seal included for comprehensive engine sealing
  • OEM standard item grade ensuring factory-level quality
  • Package quantity of 9 components for complete lower engine sealing
  • Compatible with Ford and Lincoln models including Transit-150, Transit-250, Transit-350, and Transit-350 HD

Detailed Product Description

The Mahle Lower Engine Gasket Set (Conversion Set) CS54988 is engineered to meet OEM standards, providing a reliable solution for engine sealing needs. This set contains nine components, including critical oil cooler o-rings, an oil drain plug gasket, and an oil filter adapter gasket, which are essential for preventing oil leaks and maintaining engine performance. The inclusion of a rear main seal ensures a thorough sealing solution for the lower engine assembly. This gasket set is specifically designed for use in Ford and Lincoln vehicles such as the F-150, Expedition, Navigator, and various Transit models, making it a suitable choice for engine rebuilds or repairs requiring conversion gaskets.

Applications and Common Issues Addressed

  • Prevents oil leaks from the lower engine assembly
  • Replaces worn or damaged rear main seals
  • Seals oil cooler connections to avoid fluid loss
  • Ensures proper sealing of oil drain plug and filter adapter
  • Supports engine rebuilds and conversion gasket replacements in Ford and Lincoln trucks and SUVs

Installation Notes and Tips

When installing the Mahle Lower Engine Gasket Set CS54988, ensure all mating surfaces are clean and free of old gasket material or debris. Proper torque specifications should be followed for all bolts to avoid leaks or damage. The rear main seal included in this set should be carefully installed to prevent distortion or leaks. It is recommended to inspect related engine components during installation to ensure optimal sealing performance.

Quality Assurance and Warranty

Mahle manufactures this Lower Engine Gasket Set (Conversion Set) to OEM standards, ensuring compatibility and durability. The part number CS54988 is backed by Mahle's quality control processes, providing confidence in fit and function for Ford and Lincoln vehicles. Warranty details are subject to Mahle's standard terms and conditions.

BrandMahle
Part NumberCS54988
PositionLower Engine Gasket Set (Conversion Set)
Additional Package ContentsContains oil cooler o-rings, oil drain plug gasket, oil filter ad
Item GradeOem standard
Package Quantity9
Rear Main Seal IncludedYes

This part fits 48 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2023FordTransit-1503.5LV6N/AIncludes Rear Main Seal Without Retainer; Lower Engine Gasket Set (Conversion Set)
2023FordTransit-2503.5LV6N/AIncludes Rear Main Seal Without Retainer; Lower Engine Gasket Set (Conversion Set)
2023FordTransit-3503.5LV6N/AIncludes Rear Main Seal Without Retainer; Lower Engine Gasket Set (Conversion Set)
2023FordTransit-350 HD3.5LV6N/AIncludes Rear Main Seal Without Retainer; Lower Engine Gasket Set (Conversion Set)
2022FordTransit-1503.5LV6N/AIncludes Rear Main Seal Without Retainer; Lower Engine Gasket Set (Conversion Set)
2022FordTransit-2503.5LV6N/AIncludes Rear Main Seal Without Retainer; Lower Engine Gasket Set (Conversion Set)
2022FordTransit-3503.5LV6N/AIncludes Rear Main Seal Without Retainer; Lower Engine Gasket Set (Conversion Set)
2022FordTransit-350 HD3.5LV6N/AIncludes Rear Main Seal Without Retainer; Lower Engine Gasket Set (Conversion Set)
2021FordTransit-1503.5LV6N/AIncludes Rear Main Seal Without Retainer; Lower Engine Gasket Set (Conversion Set)
2021FordTransit-2503.5LV6N/AIncludes Rear Main Seal Without Retainer; Lower Engine Gasket Set (Conversion Set)
2021FordTransit-3503.5LV6N/AIncludes Rear Main Seal Without Retainer; Lower Engine Gasket Set (Conversion Set)
2021FordTransit-350 HD3.5LV6N/AIncludes Rear Main Seal Without Retainer; Lower Engine Gasket Set (Conversion Set)
2020FordTransit-1503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2020FordTransit-2503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2020FordTransit-3503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2020FordTransit-350 HD3.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2019FordTransit-1503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2019FordTransit-2503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2019FordTransit-3503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2019FordTransit-350 HD3.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2018FordTransit-1503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2018FordTransit-2503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2018FordTransit-3503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2018FordTransit-350 HD3.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2017FordExpedition3.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2017FordTransit-1503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2017FordTransit-2503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2017FordTransit-3503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2017FordTransit-350 HD3.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2017LincolnNavigator3.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2016FordExpedition3.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2016FordF-1503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2016FordTransit-1503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2016FordTransit-2503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2016FordTransit-3503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2016FordTransit-350 HD3.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2016LincolnNavigator3.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2015FordExpedition3.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2015FordF-1503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2015FordTransit-1503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2015FordTransit-2503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2015FordTransit-3503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2015FordTransit-350 HD3.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2015LincolnNavigator3.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2014FordF-1503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2013FordF-1503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2012FordF-1503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer
2011FordF-1503.5LV6N/AUse with Head Set to Make Full Set; Includes Rear Main Seal Without Retainer

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