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Front Sub frame
By OE Match
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 914 (1970-1976)
OE Match front axle cross member for the listed Porsche 911 applications and 914. The heat-treated magnesium casting includes brackets and requires two rear-arm holes to be drilled during installation.
Fits
- Porsche 911 2.7RS / 2.8 RSR / 2.5ST / 3.0 934
- Porsche 911 1968–1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974–1977 2.7L / 1976–77 3.0 Carrera
- Porsche 914 1970–1976
Check fitment for your specific vehicle (model, year, engine) before ordering.
What This Product Does
The cross member provides structural support within the front axle assembly, helping locate the attached suspension components and maintain their mounting geometry. It is intended for replacement or restoration work where the existing component needs renewal.
Functions
- Supports components attached to the front axle assembly.
- Maintains the relationship between suspension mounting points.
- Transfers loads through the front chassis structure.
Technical Details
- Construction: cast magnesium.
- Treatment: temperature hardening.
- Brackets are included with the cross member.
- The two holes needed for the rear arms must be made when fitting; this is not a fully pre-drilled installation.
- Supplied diagram records identify reference 91134103101 as a strut rather than the complete cross member. Confirm the required assembly and reference before fitting.
Diagram References
Diagram reference number: 2
Symptoms of Fault
- Visible cracks, deterioration or impact distortion.
- Knocking associated with loose or damaged mounting points.
- Persistent alignment discrepancies or unusual tyre wear.
- Movement around the front suspension attachments.
These symptoms can also originate in bushes, joints or fixings. Inspect the assembly before deciding which component requires replacement.
Why Replacement Matters
Damage or deterioration can alter the position and support of connected components. Replacement addresses the affected structure, while inspection of adjoining brackets, mounting surfaces and fasteners helps identify related faults.
FAQs
Is drilling necessary?
Yes. The two rear-arm mounting holes must be produced during installation.
Should alignment be checked afterwards?
Arrange a geometry check following work that disturbs suspension mounting positions.
What else should be inspected?
Check associated bushes, brackets, bolts and chassis mounting areas. Have a competent technician confirm fitment and carry out the drilling and installation.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91134103101
The product you are viewing cross references to these numbers
OEMatch Front Sub frame — Fit, Function, Confidence
OEMatch front sub frame components for Porsche models support the main chassis structure around the engine, suspension and steering systems, helping the car feel stable and precise in everyday use.
- Front sub frame carriers and crossmembers for Porsche applications
- Associated mounting and hardware items where applicable
- Options to support repairs, refurbishment and project builds
Understanding OEMatch Front Sub frame
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original front sub frame. OE (Original Equipment) refers to parts matching original specifications for the front sub frame and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM front sub frame engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. The front sub frame forms a structural cradle that locates key running-gear components, so correct geometry, stiffness and mounting positions are important to how the car drives and how loads are transferred into the bodyshell. Over time, exposure to road debris, moisture and mechanical loads can cause corrosion, distortion or damage around this area, especially on higher-mileage or hard-used Porsche models. OEMatch focuses on front sub frame components engineered to match the original form, fit and function for Porsche applications, giving a practical alternative when maintaining or refurbishing the underside of the vehicle.
- Components made to original-spec dimensions for consistent alignment
- Direct-fit replacements engineered to match original dimensions and tolerances
- Fits original mounting points and clearances
- Compatible with factory systems and sensors
Why Front Sub frame Wear and Fail
- Corrosion from water, road salt and trapped dirt in seams or cavities over many years
- Impact damage from kerbs, debris or minor collisions affecting alignment or structure
- Fatigue from repeated suspension and braking loads leading to cracks or deformation
The Importance of Replacing with OEMatch Front Sub frame
Replacing a worn or damaged front sub frame on a Porsche helps maintain suspension geometry and steering precision, supporting predictable handling and even tyre wear. Addressing corrosion or accident damage early can prevent further deterioration around adjacent mounting points and fasteners. Many owners search for genuine or OEM front sub frame; these are direct-fit alternatives designed to match the original form, fit and function. Selecting suitable components from OEMatch allows targeted repair work or more extensive refurbishment when restoring or upgrading an older Porsche, while keeping the focus on compatibility with factory layouts.
- Supports correct alignment of suspension and steering pick-up points
- Helps reduce unwanted movement and noise from distorted or weakened structures
- Offers a straightforward route to refresh corroded or accident-damaged areas
Support & Advice
Fitting can appear straightforward but may require specific procedures such as torque settings, alignment, balancing or recalibration. If you lack the correct tools or experience, a qualified technician should carry out the work, following model-specific procedures. Recheck fasteners after an initial period of driving.