Mahle HS3978X Engine Cylinder Head Gasket Set
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Mahle

Mahle HS3978X Engine Cylinder Head Gasket Set

Brand Mahle HS3978X
Additional Package Contents Contains miscellaneous gaskets and seals
Cylinder Head Gasket Material Composite
Exhaust Manifold Gasket Material Perforated steel
Intake Manifold Gasket Material Composite
Item Grade Oem standard
Torque To Yield No
Fits Ford · 14 vehicles

OEM-standard fit. Built for engine sealing service with Mahle gasket engineering.

Composite sealing materials. Head and intake gaskets use composite construction for dependable sealing.

Complete sealing package. Includes miscellaneous gaskets and seals for related service points.

Cross-references FEL-PRO HS 8558 PT-4 and Ford E8TZ 6079-B for the same application. See all 2.

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Engine Cylinder Head Gasket Set Overview

Mahle HS3978X is an OEM-standard engine cylinder head gasket set for Ford 1988-1989 applications. It is built around composite sealing materials and includes miscellaneous gaskets and seals for a complete head-gasket service.

Compatible With Ford E-250 Econoline Club Wagon, Ford E-350 Econoline, Ford E-350 Econoline Club Wagon, Ford F-250, and Ford F-350 applications from 1988-1989. The HS3978X part number is a useful reference when matching the correct sealing set for these engines.

Key Features

  • OEM-standard gasket set for engine sealing service.
  • Composite cylinder head gasket material for dependable sealing.
  • Composite intake manifold gasket material.
  • Perforated steel exhaust manifold gasket material.
  • Torque-to-yield: No.
  • Includes miscellaneous gaskets and seals for related sealing points.

Detailed Description

Mahle HS3978X is an engine cylinder head gasket set engineered for Ford truck and van applications from 1988-1989. The set uses a composite head gasket, composite intake manifold gasket, and perforated steel exhaust manifold gasket to address the sealing surfaces involved in cylinder head service. The HS3978X part number helps confirm the correct sealing package when comparing replacement options.

This part cross-references FEL-PRO HS 8558 PT-4 and Ford E8TZ 6079-B for the same application.

What It Is Used For

  • Replacing worn or damaged cylinder head sealing components.
  • Restoring intake manifold sealing integrity during engine repair.
  • Addressing exhaust manifold gasket leakage at the sealing surface.
  • Supporting a proper reseal after cylinder head service.

Installation Notes and Tips

Fits 1988-1989 Ford E-250 Econoline Club Wagon, N/A; 1988-1989 Ford E-350 Econoline, N/A; 1988-1989 Ford E-350 Econoline Club Wagon, N/A; 1988-1989 Ford F-250, N/A; 1988-1989 Ford F-350, N/A. Cylinder head bolts are not included, and replacement is recommended during service. Verify engine application and sealing surfaces before installation, and confirm the HS3978X part number against the original component.

Quality Assurance

Mahle gaskets are trusted by OEMs and technicians worldwide for sealing applications. OEM-standard construction supports consistent fit and sealing performance in engine repair work.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1989FordE-250 Econoline Club Wagon7.5LV8Cylinder Head Bolts not included, replacement recommended.
1989FordE-350 Econoline7.5LV8Cylinder Head Bolts not included, replacement recommended.
1989FordE-350 Econoline Club Wagon7.5LV8Cylinder Head Bolts not included, replacement recommended.
1989FordF-2507.5LV8Cylinder Head Bolts not included, replacement recommended.
1989FordF-3507.5LV8Cylinder Head Bolts not included, replacement recommended.
1989FordF-53 Motorhome Chassis7.5LV8Cylinder Head Bolts not included, replacement recommended.
1989FordF-Super Duty7.5LV8Cylinder Head Bolts not included, replacement recommended.
1988FordE-250 Econoline Club Wagon7.5LV8Cylinder Head Bolts not included, replacement recommended.
1988FordE-350 Econoline7.5LV8Cylinder Head Bolts not included, replacement recommended.
1988FordE-350 Econoline Club Wagon7.5LV8Cylinder Head Bolts not included, replacement recommended.
1988FordF-2507.5LV8Cylinder Head Bolts not included, replacement recommended.
1988FordF-3507.5LV8Cylinder Head Bolts not included, replacement recommended.
1988FordF-53 Motorhome Chassis7.5LV8Cylinder Head Bolts not included, replacement recommended.
1988FordF-Super Duty7.5LV8Cylinder Head Bolts not included, replacement recommended.
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
FEL-PRO — HS 8558 PT-4Ford — E8TZ 6079-B