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Bonnet / Boot Seals
By OE Match
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
This gasket fits around the rear hatch opening and provides a tight seal when the hatch is closed, helping keep water, dust, and exhaust fumes out of the rear compartment and protecting the interior and cargo space.
Fits:
Porsche 928 1978 - 1986
Diagram ref no 6
• Location: Rear hatch / tailgate perimeter - one seal per vehicle
• Usage Cases: Hatch restoration, leak repair, water ingress prevention, full restoration, or replacement of cracked/old seals
It’s ideal for restoring a 928 with a deteriorated, hardened, or missing hatch seal - ensuring the rear compartment remains properly sealed against the elements and road contamination.
Over time, the original rear hatch seal can become brittle, compressed, torn, or lose elasticity - often resulting in:
• Water leaks into the rear compartment or boot area
• Dust, exhaust fumes or road spray entering the cabin
• Increased cabin noise and reduced comfort
• Corrosion, mildew, or damage to interior panels and wiring
Replacing with a correctly formed seal restores proper weatherproofing, preserves interior condition, and ensures the hatch closes securely and cleanly - essential for longevity, comfort and preserving vehicle value.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92851212905
The product you are viewing cross references to these numbers
.jpg?width=197 "Rubber Seal Battery Box. Porsche 928 - 92850410502 - PDBAT")
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Battery Box Rubber Seal
High-quality replacement rubber seal for the battery box, designed specifically for Porsche 928 models.
This seal provides a secure barrier around the battery
compartment, helping to prevent moisture, dirt, and debris from entering the
battery area. It plays a key role in protecting electrical components and
maintaining the integrity of the engine bay.
Fits:
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Diagram ref no 31
Manufactured to OEM specifications, this rubber gasket ensures precise fitment and long-lasting durability—ideal for maintenance, repair, or restoration work.
Key Features
• Direct replacement battery box rubber seal
• Suitable for Porsche 928 models
• Provides effective sealing of battery compartment
• OEM-style fit and performance
• Durable rubber construction for long-term use
• Ideal for maintenance and restoration
Function and Purpose
This seal protects the battery box area.
It helps to:
• Prevent moisture ingress into the battery compartment
• Protect electrical components from corrosion
• Maintain cleanliness within the engine bay
• Support long-term reliability of electrical systems
Why Replace Your Battery Box Seal
Over time, rubber seals can deteriorate due to heat, age, and exposure.
Common issues include:
• Cracked or hardened rubber
• Poor sealing allowing water ingress
• Increased risk of corrosion
• Degraded engine bay appearance
Replacing the seal restores protection and improves overall condition.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92850410502
The product you are viewing cross references to these numbers
OEMatch Bonnet and Boot Seals — Fit, Function, Confidence
Bonnet and boot seals keep luggage compartments dry, quiet and protected on Porsche models by blocking water, dust and wind. Many owners search for genuine or OEM bonnet and boot seals; these are compatible replacements engineered to original-spec dimensions and tolerances and chosen here to restore proper sealing, reduce noise and protect panels and electronics.
Understanding OEMatch Bonnet and Boot Seals
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original bonnet and boot seals.
OE (Original Equipment) refers to parts matching original specifications for the bonnet and boot seals and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM bonnet and boot seals engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. Bonnet and boot seals form a continuous barrier around panel edges to prevent ingress, dampen noise and preserve interior and body condition. Over time, exposure to sunlight, ozone, oils and repeated compression can reduce elasticity and compromise sealing performance; regular inspection and timely replacement maintain comfort and corrosion protection.
Available Types
- EPDM rubber seals for weather resistance and flexibility
- Neoprene rubber seals for chemical and oil resistance
- Profiled seals tailored for restoration and maintenance of classic and modern Porsche models
Benefits Include
- Prevents water and dust ingress to front and rear luggage compartments
- Reduces wind noise and vibration for a quieter cabin
- Protects paintwork and body edges from wear and moisture-related corrosion
Why Bonnet / Boot Seals Wear and Fail
- UV and ozone exposure causing cracking, hardening and brittleness
- Compression set from repeated opening, closing and prolonged clamping
- Contamination by oils, fuels or harsh cleaners that degrade rubber compounds
The Importance of Replacing with OEMatch Bonnet / Boot Seals
Replacing worn seals restores a secure weather barrier and reduces the risk of water-related damage to trunks and front luggage areas on Porsche models. Effective sealing preserves electrics, trim and paintwork, prevents unpleasant odours and limits corrosion in sheet metal and fastenings. Timely renewal also helps maintain proper panel closing, alignment and the original NVH characteristics of the vehicle.
Advantages
- Materials such as EPDM and neoprene offer long-life resistance to weathering and oils
- Profiles designed to align with original panel edges and closure points
- Suitable for both restoration projects and routine maintenance on classic and contemporary Porsche cars
Support & Advice
Fitting can appear straightforward but may require specific procedures such as correct positioning, sealing detail and careful reassembly to avoid panel damage. If you lack the right tools or experience, or if the vehicle includes hidden fasteners or sensors, seek professional installation. Recheck fasteners and seal compression after initial use.
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