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- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Undertray Repair Support Kit – Strong, Cost-Effective Undertray Fix
Has your Porsche belly pan or bottom plate developed broken
or cracked mounting supports? This is a common issue we regularly see in our
Design911 workshop. Over time, road debris, speed bumps, improper jacking, and
general wear can cause the original undertray mounting points to snap or
weaken.
Fits:
- Porsche 928 S4 5.0L 1987-92
- Porsche 928 GT 5.0L 1989-91
- Porsche 928 GTS 5.4L 1992-95
Repair kit for diagram ref no 27
Instead of replacing the entire belly pan – which can be expensive – our heavy-duty Porsche belly pan repair support kit provides a simple, strong and long-lasting solution.
What These Repair Supports Do
The original plastic mounting tabs on Porsche undertrays are
prone to failure. When they break, the belly pan can sag, vibrate, or become
loose, affecting:
• Underbody protection
• Aerodynamics
• Cooling airflow management
• Overall vehicle stability at speed
Our 3D laser-printed nylon repair supports reinforce and replace the failed mounting points. They restore secure attachment of the bottom plate to the chassis, preventing further damage and eliminating rattles or movement.
Why Upgrade to This Repair Kit?
Cost Saving Alternative
A brand-new Porsche belly pan or undertray panel can be costly. This repair kit
allows you to fix only the damaged support areas instead of replacing the full
panel.
Stronger Than Original
Manufactured from high-strength, flexible 3D laser-printed nylon, these
brackets are designed to be more durable than the factory mounting tabs. They
resist cracking, vibration fatigue, and road impact stress.
Workshop-Proven Solution
Developed after repeatedly seeing broken undertray supports in our own
workshop, this kit is a practical, real-world tested fix trusted by Porsche
specialists.
Complete Installation Hardware Included
Each set includes 8 nuts, bolts and washers per side, ensuring secure fitment
and straightforward installation.
Ideal For:
• Porsche owners with cracked or broken undertray mounts
• Vehicles with sagging belly pans
• Performance or track cars exposed to higher underbody stress
• Preventative upgrades when replacing or servicing the under
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92850402REP
The product you are viewing cross references to these numbers
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
Fits:
Porsche 944 1985-91
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94450416704
The product you are viewing cross references to these numbers
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
Fits
1985/2 Onwards Oval Dash
Porsche 944
Porsche 944S
Porsche 944S2
Porsche 944 turbo
Turbo models - Skid plate must be modified by cutting skid plate to clear the oil cooler line.
A lowered ride height is a must for any car used on the track or for performance street driving. The biggest down side to this modification is ground clearance. Speed bumps, pot holes or the occasional "Off Track" excursion can cause some serious damage to the underside of your car.
The Rennline Aluminum Skid Plates have been designed to eliminate those concerns. Rennline's skid plate conceals the underside of the radiator as well as the oil pan and are formed so that no edges will get caught on objects when traveling forward, backwards or sideways.
Hardware is included and installation takes about 5 minutes with no drilling required.
These skid plates work with factory or Rennline front tie downs.