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Bonnet / Boot Seals
By OE Match
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Bonnet Handle Seal
Restore the original weather sealing and factory finish of
your classic Porsche with this OE Match Bonnet Handle Seal, designed specifically for the Porsche 356B and 356C.
Manufactured to original equipment specifications, this high-quality rubber
seal fits between the front bonnet handle and the bonnet panel, creating a
protective barrier against water, dirt and vibration while providing a neat
factory-correct appearance.
Fits:
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Diagram ref no 21
Ideal for restoration projects or replacing hardened original rubber, this OE Match bonnet handle seal helps preserve both the appearance and longevity of your Porsche 356.
What Does the Bonnet Handle Seal Do?
The bonnet handle seal is positioned between the bonnet handle assembly and the bonnet panel.
Its primary functions include:
- Preventing water from entering behind the bonnet handle.
- Protecting the bonnet panel from moisture and corrosion.
- Reducing vibration between the handle and bodywork.
- Preventing dirt and debris from collecting around the mounting area.
- Providing a clean, factory-correct finish.
- Helping protect the paintwork from abrasion caused by metal-to-metal contact.
Although small, this seal plays an important role in preserving the bodywork and maintaining the authentic appearance of the vehicle.
Why Does the Bonnet Handle Seal Fail?
Rubber components naturally deteriorate with age and
exposure to the elements. Common causes of failure include:
- UV exposure.
- Heat cycling.
- Ozone damage.
- Hardening and cracking of the rubber.
- Compression over many years.
- Water absorption.
- Damage during handle removal or restoration work.
As the seal deteriorates, water can penetrate behind the handle, increasing the risk of corrosion and paint damage.
When Should the Bonnet Handle Seal Be Replaced?
Replacement is recommended whenever:
- The bonnet handle is removed.
- The original seal has hardened or cracked.
- Water leaks are visible around the handle.
- The bonnet is being repainted.
- During body restoration.
- Completing a concours-quality restoration.
Replacing the seal during restoration helps protect the bonnet panel while ensuring the handle sits correctly against the bodywork.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64455923105
The product you are viewing cross references to these numbers
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
The OE Match Bonnet Seal (3750mm) is a premium-quality replacement weather seal designed to create an effective seal between the bonnet and body on compatible classic Porsche models. Manufactured to OE specifications for fit, profile and durability, this bonnet seal helps prevent the ingress of water, dust and road debris into the front luggage compartment and engine bay while ensuring the bonnet closes securely and maintains the correct factory fit.
Fits:
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Diagram Ref No 18
Manufactured from high-quality automotive-grade EPDM rubber, the seal offers outstanding resistance to UV exposure, ozone, moisture and extreme temperature variations. Supplied in a 3750mm length, it is precision-profiled to replicate the original factory design, providing excellent flexibility, long-lasting sealing performance and straightforward installation during restoration or maintenance.
What This Product Does:
- Creates a weatherproof seal between the bonnet and body.
- Prevents water, dust and road debris from entering protected areas.
- Helps protect the luggage compartment or engine bay from moisture.
- Reduces wind noise around the bonnet.
- Cushions the bonnet during closing to reduce vibration.
- Maintains correct bonnet alignment and fitment.
- Helps prevent moisture-related corrosion.
- Forms an essential part of the vehicle's body sealing system.
Symptoms Of Wear Or Failure:
- Water ingress into the luggage compartment or engine bay.
- Cracked, split or hardened rubber.
- Flattened or compressed seal profile.
- Increased wind noise while driving.
- Visible gaps between the bonnet and body.
- Loose or detached sections of the seal.
- Dirt and debris entering beneath the bonnet.
- Damp components or corrosion around the bonnet opening.
- Perished rubber caused by age or UV exposure.
- Bonnet vibration or rattling during driving.
Why Replacement Matters:
- The bonnet seal is continuously exposed to sunlight, rain, road salt, engine heat and repeated compression every time the bonnet is opened and closed. Over time, the rubber can harden, shrink or crack, reducing its ability to provide an effective weatherproof seal.
- A deteriorated bonnet seal can allow moisture and contaminants to enter the luggage compartment or engine bay, increasing the risk of corrosion, electrical issues and unnecessary wear of surrounding components. It may also contribute to wind noise, bonnet vibration and reduced refinement.
- Replacing a worn bonnet seal restores the weatherproof integrity of the bonnet assembly and helps protect the vehicle from environmental damage. The OE Match replacement provides factory-style fitment, premium EPDM rubber construction and excellent long-term durability, helping preserve the originality, reliability and value of your classic Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
64451190106
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.
