Elring 376.660 Engine Cylinder Head Bolt Set

Brand Elring 376.660
Bolt Head-/Nut Design Female Torx
Number of bolts/screws 8
Thread Size M 9x1,25x106
Fits Smart · 23 vehicles

Female Torx design. Provides secure tool engagement during cylinder head service.

Cylinder head bolt set. Made for engine hardware applications requiring precise fastening.

Cross-references 81062300 and T81780-01 for the same application. See all 2.

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Elring Cylinder Head Bolt Set for Smart Fortwo

Elring 376.660 is an engine cylinder head bolt set built for specific Smart Fortwo applications. It uses a Female Torx bolt head/nut design and M9 x 1.25 x 106 thread sizing for a direct-fit hardware match on the listed vehicles.

Key Features

  • Engine cylinder head bolt set for Smart Fortwo applications
  • Female Torx bolt head/nut design for proper tool engagement
  • M9 x 1.25 x 106 thread specification
  • Engine hardware from Elring, part number 376.660
  • Cross-references Monroe Shocks & Struts 81062300 and T81780-01 for the same application

Product Details

This Elring 376.660 cylinder head bolt set is specified for 2008-2015 Smart Fortwo and 2018 Smart Fortwo models. The listed dimensions and Female Torx drive help ensure the correct fitment for engine cylinder head service where the original hardware matches these specifications. If you are searching for a Smart Fortwo cylinder head bolt set, Elring 376.660 provides the exact thread size, length, and drive style called out for these applications.

Common Repair Uses

  • Replacing stretched or torque-to-yield cylinder head bolts during engine service
  • Restoring proper cylinder head clamping force after head gasket repair
  • Addressing damaged Female Torx bolt heads that prevent removal or tightening
  • Matching OE-style engine hardware specifications on Smart Fortwo repairs

Installation Notes

Verify the existing bolt length, thread pitch, and head drive before installation. Use the correct Female Torx tool and follow the vehicle service manual for tightening sequence and torque procedure. Confirm compatibility by year and engine hardware specification before beginning cylinder head work on the Smart Fortwo.

Quality Assurance

Elring is a recognized engine sealing and hardware brand used in professional repair environments. Part number 376.660 is built to the stated dimensions and drive style for the listed Smart Fortwo fitments.

This part fits 23 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeDrive TypeLitersCylindersFuel TypePositionNotes
2018SmartFortwo—RWD1.0LL3GASN/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2015SmartFortwoCoupeRWD1.0LL3GASN/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2015SmartFortwoConvertibleRWD1.0LL3GASN/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2015SmartFortwoCoupe—1.0LL3—N/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2014SmartFortwoCoupeRWD1.0LL3GASN/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2014SmartFortwoConvertibleRWD1.0LL3GASN/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2014SmartFortwoCoupe—1.0LL3—N/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2013SmartFortwoCoupeRWD1.0LL3GASN/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2013SmartFortwoConvertibleRWD1.0LL3GASN/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2013SmartFortwoCoupe—1.0LL3—N/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2012SmartFortwo——1.0LL3—N/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2012SmartFortwo—RWD1.0LL3GASN/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2011SmartFortwo——1.0LL3—N/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2010SmartFortwoCoupeRWD1.0LL3GASN/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2010SmartFortwoConvertibleRWD1.0LL3GASN/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2010SmartFortwoCoupe—1.0LL3—N/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2010SmartFortwoConvertible—1.0LL3—N/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2009SmartFortwoConvertibleRWD1.0LL3GASN/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2009SmartFortwoCoupe—1.0LL3—N/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2009SmartFortwoConvertible—1.0LL3—N/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2008SmartFortwoCoupeRWD1.0LL3GASN/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2008SmartFortwoConvertibleRWD1.0LL3GASN/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
2008SmartFortwoCoupe—1.0LL3—N/ALength: 106mm; Thread Size: M9; Thread Pitch: 1.25mm; Bolt Head Nut Design: Female Torx
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
81062300T81780-01