Mahle
Cylinder Head Gasket

Mahle 55466 Engine Cylinder Head Gasket - Left

Brand Mahle 55466
Position Left
Product line Cylinder Head Gasket
Fits Subaru · 20 vehicles

Multi-layered steel. Provides durable cylinder head sealing for engine service.

OE-trusted sealing. MAHLE gaskets are used by OEMs and technicians worldwide.

Cross-references 10944 AA160 for the same application. See all 1.

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Engine Cylinder Head Gasket for Subaru

The Mahle 55466 cylinder head gasket is a sealing component for Subaru engine service where reliable combustion sealing is required. It is listed for left-side applications on the Crosstrek and Impreza, with fitment notes that call for cylinder head bolt replacement on certain model years.

Key Features

  • Multi-layered steel construction for cylinder head sealing.
  • Fits left-side applications on select Subaru Crosstrek and Subaru Impreza models.
  • Mahle 55466 is part of the Cylinder Head Gasket product line.
  • Engine sealing product trusted by OEMs and technicians worldwide.

Detailed Description

Mahle 55466 is an engine cylinder head gasket for Subaru applications that require a precise sealing surface between the cylinder head and engine block. The fitment data covers 2017-2026 Subaru Crosstrek and 2017-2026 Subaru Impreza, with multi-layered steel construction noted for 2021-2026 models. For 2017-2020 applications, the fitment notes specify that replacement of cylinder head bolts is necessary for proper installation of the multi-layered steel gasket. This part cross-references Monroe Shocks & Struts (e.g., 10944, AA160) for the same application.

What It Is Used For

  • Sealing the cylinder head to maintain compression.
  • Addressing combustion gas leakage at the head-to-block interface.
  • Replacing a worn or damaged head gasket during engine repair.
  • Supporting proper sealing after cylinder head service.

Installation Notes and Tips

Compatible With 2017-2026 Subaru Crosstrek, left, and 2017-2026 Subaru Impreza, left, with notes that vary by model year. Review the fitment notes before installation, especially the requirement for cylinder head bolt replacement on 2017-2020 applications. Confirm engine code, gasket orientation, and sealing surface condition before assembly. Mahle 55466 should be installed as part of a complete cylinder head service procedure.

Quality Assurance

MAHLE gaskets are sealing products used by OEMs and technicians around the world, reflecting the brand's established engine sealing expertise.

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2026SubaruCrosstrek2.0LH4LeftMulti-Layered Steel; Cylinder Head Gasket
2026SubaruImpreza2.0LH4LeftMulti-Layered Steel; Cylinder Head Gasket
2025SubaruCrosstrek2.0LH4LeftMulti-Layered Steel; Cylinder Head Gasket
2025SubaruImpreza2.0LH4LeftMulti-Layered Steel; Cylinder Head Gasket
2024SubaruCrosstrek2.0LH4LeftMulti-Layered Steel; Cylinder Head Gasket
2024SubaruImpreza2.0LH4LeftMulti-Layered Steel; Cylinder Head Gasket
2023SubaruCrosstrek2.0LH4LeftMulti-Layered Steel; Cylinder Head Gasket
2023SubaruImpreza2.0LH4LeftMulti-Layered Steel; Cylinder Head Gasket
2022SubaruCrosstrek2.0LH4LeftMulti-Layered Steel; Cylinder Head Gasket
2022SubaruImpreza2.0LH4LeftMulti-Layered Steel; Cylinder Head Gasket
2021SubaruCrosstrek2.0LH4LeftMulti-Layered Steel; Cylinder Head Gasket
2021SubaruImpreza2.0LH4LeftMulti-Layered Steel; Cylinder Head Gasket
2020SubaruCrosstrek2.0LH4LeftReplacement of cylinder head bolts necessary for proper installation of multi-layered steel gasket.
2020SubaruImpreza2.0LH4LeftReplacement of cylinder head bolts necessary for proper installation of multi-layered steel gasket.
2019SubaruCrosstrek2.0LH4LeftReplacement of cylinder head bolts necessary for proper installation of multi-layered steel gasket.
2019SubaruImpreza2.0LH4LeftReplacement of cylinder head bolts necessary for proper installation of multi-layered steel gasket.
2018SubaruCrosstrek2.0LH4LeftReplacement of cylinder head bolts necessary for proper installation of multi-layered steel gasket.
2018SubaruImpreza2.0LH4LeftReplacement of cylinder head bolts necessary for proper installation of multi-layered steel gasket.
2017SubaruCrosstrek2.0LH4LeftReplacement of cylinder head bolts necessary for proper installation of multi-layered steel gasket.
2017SubaruImpreza2.0LH4LeftReplacement of cylinder head bolts necessary for proper installation of multi-layered steel gasket.
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
10944 AA160