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Mahle GS33401 Engine Cylinder Head Bolt Set
| Brand | Mahle GS33401 |
|---|---|
| Fastener Head Style | T-55 Torx Socket Cap, and 10mm Star Socket Cap |
| Fastener Material | Steel |
| Fastener Style | Bolt |
| Item Grade | OEM Standard |
| Torque Specification (ft-lbs) | Install 8 new 12-mm bolts and tighten in the 2 stage sequence. Stage 1: Tighten to 12 Nm (9 lb-ft). Stage 2: Tighten to 25 Nm (18 lb-ft). Install 2 new 8-mm bolts and Tighten to 32 Nm (24 lb-ft). Tighten the eight 12-mm bolts in the 2 stage sequence. Stage 1: Tighten 90 degrees. Stage 2: Tighten an additional 90 degrees. |
| Torque To Yield | Yes |
| Fits | Ford, Mazda, Mercury, and Land Rover · 69 vehicles |
OEM standard grade. Built to match original-equipment expectations for dependable service.
Steel construction. Provides the strength needed for secure cylinder head fastening.
Torque-to-yield design. Uses a controlled stretch fastener for consistent clamping force.
Cross-references FEL-PRO ES 72171, Ford 1L2Z 6065-BA and Ford F7TZ 6065-AC for the same application. See all 3.
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Mahle GS33401 Cylinder Head Bolt Set
The Mahle GS33401 engine cylinder head bolt set is built for OE-standard service on select Ford, Mazda, Mercury, and Land Rover applications. It is a steel, torque-to-yield fastener set with T-55 Torx socket cap and 10mm star socket cap head styles for controlled clamping during cylinder head service.
Key Features
- OE Standard engine cylinder head bolt set from Mahle
- Steel fastener construction for cylinder head installation
- Torque-to-yield design for proper one-time clamping performance
- T-55 Torx socket cap and 10mm star socket cap head styles
- Engine hardware for Ford Ranger, Explorer, Explorer Sport Trac, Mustang, Mazda B4000, Mercury Mountaineer, and Land Rover LR3 applications
- Cross-reference: FEL-PRO ES 72171
Detailed Description
Mahle GS33401 is an OEM-standard cylinder head bolt set engineered for secure cylinder head fastening in a range of 1997-2011 Ford and related applications. This part number GS33401 is listed for Ford Ranger, Ford Explorer, Ford Explorer Sport Trac, Ford Mustang, Mazda B4000, Mercury Mountaineer, and Land Rover LR3 engine service where torque-to-yield hardware is specified. Mahle supplies sealing and engine hardware products used by OEMs and technicians worldwide, and this set follows the torque sequence and tightening specifications required for proper cylinder head clamping.
This part cross-references FEL-PRO ES 72171 for the same application.
What It Helps Address
- Loose or uneven cylinder head clamping after engine teardown
- Head gasket service that requires new torque-to-yield bolts
- Fastener stretch from prior cylinder head removal
- Improper sealing caused by reused head bolts
- Restoration of correct cylinder head torque sequence during rebuild work
Installation Notes and Tips
Follow the specified tightening procedure exactly: install new bolts where required, then tighten in the stated multi-stage sequence and angle steps. Torque-to-yield hardware should not be reused once removed. Verify the engine code and service procedure for your specific Ford Ranger, Ford Explorer, Ford Mustang, Mazda B4000, Mercury Mountaineer, or Land Rover LR3 before installation. Use the correct Torx/star socket engagement to avoid fastener damage.
Quality Assurance
Mahle is known for engine sealing and hardware products used in OEM and professional repair environments. GS33401 is an OEM-standard steel fastener set built to meet the demands of cylinder head service on the listed applications.
This part fits 69 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Ford | Ranger | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2010 | Ford | Explorer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2010 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2010 | Ford | Mustang | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2010 | Ford | Ranger | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2010 | Mazda | B4000 | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2010 | Mercury | Mountaineer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2009 | Ford | Explorer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2009 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2009 | Ford | Mustang | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2009 | Ford | Ranger | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2009 | Mazda | B4000 | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2009 | Mercury | Mountaineer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2008 | Ford | Explorer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2008 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2008 | Ford | Mustang | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2008 | Ford | Ranger | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2008 | Mazda | B4000 | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2008 | Mercury | Mountaineer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2007 | Ford | Explorer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2007 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2007 | Ford | Mustang | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2007 | Ford | Ranger | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2007 | Land Rover | LR3 | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2007 | Mazda | B4000 | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2007 | Mercury | Mountaineer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2006 | Ford | Explorer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2006 | Ford | Mustang | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2006 | Ford | Ranger | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2006 | Land Rover | LR3 | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2006 | Mazda | B4000 | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2006 | Mercury | Mountaineer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2005 | Ford | Explorer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2005 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2005 | Ford | Mustang | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2005 | Ford | Ranger | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2005 | Land Rover | LR3 | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2005 | Mazda | B4000 | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2005 | Mercury | Mountaineer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2004 | Ford | Explorer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2004 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2004 | Ford | Ranger | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2004 | Mazda | B4000 | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2004 | Mercury | Mountaineer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2003 | Ford | Explorer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2003 | Ford | Explorer Sport | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2003 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2003 | Ford | Ranger | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2003 | Mazda | B4000 | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2003 | Mercury | Mountaineer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2002 | Ford | Explorer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2002 | Ford | Explorer Sport | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2002 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2002 | Ford | Ranger | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2002 | Mazda | B4000 | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2002 | Mercury | Mountaineer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2001 | Ford | Explorer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2001 | Ford | Explorer Sport | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2001 | Ford | Explorer Sport Trac | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2001 | Ford | Ranger | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2001 | Mazda | B4000 | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2001 | Mercury | Mountaineer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2000 | Ford | Explorer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 2000 | Mercury | Mountaineer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 1999 | Ford | Explorer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 1999 | Mercury | Mountaineer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 1998 | Ford | Explorer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 1998 | Mercury | Mountaineer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| 1997 | Ford | Explorer | 4.0L | V6 | N/A | Fits various engine types and models for secure installation of Engine Cylinder Head Bolt Set. |
| No rows match your filter. | ||||||
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
FEL-PRO — ES 72171Ford — 1L2Z 6065-BAFord — F7TZ 6065-AC