Mahle GS33556 Engine Cylinder Head Bolt Set
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Mahle

Mahle GS33556 Engine Cylinder Head Bolt Set

Brand Mahle GS33556
Fastener Head Style 12 pt (12mm) Hex Head Bolt
Fastener Material Steel
Fastener Style Bolt
Item Grade OEM Standard
Torque To Yield Yes
Washers Included Not Required
Fits Mazda, Ford, and Mercury · 46 vehicles

OEM standard. Cylinder head bolt set with torque-to-yield steel fasteners.

12-point hex head. Provides secure engagement for easier tightening.

MAHLE sealing products are trusted by OEMs and technicians worldwide.

Cross-references Kia 0B660-10-135A and Mazda B660-10-135A for the same application. See all 2.

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Engine Cylinder Head Bolt Set for Mazda Applications

The Mahle GS33556 is an OEM-standard engine cylinder head bolt set built for secure cylinder head fastening in select Mazda, Ford, Mercury, and Kia applications. It uses steel construction with a 12-point 12mm hex head bolt style and torque-to-yield design for controlled clamping during engine assembly.

Key Features

  • Mahle GS33556 engine cylinder head bolt set
  • OEM Standard grade for factory-style service replacement
  • Steel fastener material for engine hardware applications
  • 12 pt (12mm) hex head bolt style for proper tool engagement
  • Torque-to-yield design for controlled tightening sequence
  • Washers not required

Detailed Product Information

Mahle GS33556 is an engine cylinder head bolt set used in cylinder head service where accurate clamping force is critical. Mahle gaskets and sealing components are trusted by OEMs and technicians worldwide, and this hardware follows that same service-focused approach for engine rebuilds and head gasket repairs. This part cross-references Mazda B660-10-135A and Kia 0B660-10-135A for the same application.

Compatible With 1990-1997 Mazda Miata, 1999-2005 Mazda Miata, 1990-1998 Mazda Protege, 1991-1996 Ford Escort, 1991-1996 Mercury Tracer, 1990-1995 Mazda 323, and 1992-1995 Mazda MX-3. The Mahle GS33556 is a direct-fit cylinder head bolt solution for these engine service applications.

Common Repair Uses

  • Replacing stretched or removed cylinder head bolts during head gasket service
  • Restoring proper cylinder head clamping force after engine teardown
  • Addressing head sealing issues caused by reused torque-to-yield fasteners
  • Supporting engine rebuild work on Mazda Miata, Protege, 323, and MX-3 platforms
  • Servicing Ford Escort and Mercury Tracer engines with OE-style hardware

Installation Notes and Tips

Follow the factory tightening sequence and torque specifications for the specific engine code. Because this is a torque-to-yield fastener set, replace the bolts rather than reusing old hardware. Confirm cylinder head and block surfaces are clean, flat, and free of debris before final assembly.

Quality Assurance

Mahle manufactures engine sealing and hardware products to OEM-standard expectations for service and rebuild work. GS33556 is built as an OE-style replacement cylinder head bolt set for consistent engine assembly results.

This part fits 46 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2005MazdaMiata1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2004MazdaMiata1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2003MazdaMiata1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2002MazdaMiata1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2001MazdaMiata1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
2000MazdaMiata1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1999MazdaMiata1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1998MazdaProtege1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1997MazdaMiata1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1997MazdaProtege1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1996FordEscort1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1996MazdaMiata1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1996MazdaProtege1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1996MercuryTracer1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1995FordEscort1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1995Mazda3231.6LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1995MazdaMiata1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1995MazdaMX-31.6LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1995MazdaProtege1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1995MercuryTracer1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1994FordEscort1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1994Mazda3231.6LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1994MazdaMiata1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1994MazdaMX-31.6LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1994MazdaProtege1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1994MercuryTracer1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1993FordEscort1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1993Mazda3231.6LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1993MazdaMiata1.6LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1993MazdaMX-31.6LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1993MazdaProtege1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1993MercuryTracer1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1992FordEscort1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1992Mazda3231.6LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1992MazdaMiata1.6LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1992MazdaMX-31.6LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1992MazdaProtege1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1992MercuryTracer1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1991FordEscort1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1991Mazda3231.6LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1991MazdaMiata1.6LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1991MazdaProtege1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1991MercuryTracer1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1990Mazda3231.6LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1990MazdaMiata1.6LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
1990MazdaProtege1.8LL4N/AFits various engine types and models for secure installation of Engine Cylinder Head Bolt Set.
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Kia — 0B660-10-135AMazda — B660-10-135A