Elring 966.140 Engine Cylinder Head Bolt Set

Elring 966.140 Cylinder Head Bolt Set

Elring 966.140 is an engine cylinder head bolt set built for Porsche applications that require M11 x 1.5 x 140 bolts with a Female Torx head design. With 8 bolts in the set, this hardware supports cylinder head service on select Porsche Cayenne, Macan, and Panamera models.

Key Features

• Engine cylinder head bolt set from Elring
• Part number: 966.140
• 8 bolts per set
• Thread size: M 11x1.5x140
• Bolt head / nut design: Female Torx
• Cross-reference: Porsche 948 104 181 10

Fitment Details

• Fits 2019 Porsche Cayenne, N/A
• Fits 2014 Porsche Cayenne, N/A
• Fits 2015-2018 Porsche Cayenne, N/A. Notes: Length 140mm; Thread Size M11; Thread Pitch 1.5mm; Bolt Head Nut Design Female Torx.
• Fits 2015-2018 Porsche Macan, N/A. Notes: Length 140mm; Thread Size M11; Thread Pitch 1.5mm; Bolt Head Nut Design Female Torx.
• Fits 2011-2016 Porsche Panamera, N/A. Notes: Length 140mm; Thread Size M11; Thread Pitch 1.5mm; Bolt Head Nut Design Female Torx.

Detailed Description

Elring 966.140 is specified for engine cylinder head service where the original fastener dimensions and drive style must match the application. The M11 x 1.5 x 140 sizing and Female Torx head design make this set a direct hardware match for select Porsche Cayenne, Porsche Macan, and Porsche Panamera engines. If you are replacing cylinder head bolts during engine repair, this part number helps maintain the correct fastener specification for the job.

This part cross-references Porsche 948 104 181 10 for the same application.

Common Uses

• Replacing stretched or removed cylinder head bolts during engine teardown
• Restoring correct fastener specification after head gasket service
• Addressing cylinder head removal and reassembly on Porsche engines
• Replacing hardware with the correct Female Torx drive and thread pitch

Installation Notes

Verify bolt length, thread size, and head design before installation. Clean the threaded holes and mating surfaces, then follow the vehicle service manual for tightening sequence and torque procedure. Cylinder head bolts are critical engine fasteners, so confirm the application by VIN or engine code when servicing Porsche Cayenne, Macan, or Panamera models.

Quality Assurance

Elring is a recognized OE-level engine sealing and fastening brand, and this 966.140 bolt set is built to match the listed Porsche hardware specifications.