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Targa Top Seals
- Porsche 914 (1970-1976)
Kit includes: Main targa seal, Lower front targa seal, Set of targa top to window seals, Set of vertical targa seals and Rubber rear targa seal with fuzzy.
Fits:
Porsche 914 1970-76
Complete kit for replacing all of the major cabin seals.
Used for all 914 model years, 1 kit required per car.
Click 'Zoom in' for large parts diagram.
Diagram ref no 36
Diagram ref no 9, 14, 20 and 28.
Related reference numbers
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914TSK
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 914 (1970-1976)
Rear targa roof seal
This replacement gasket fits at the back of the removable roof where it meets the roll bar, helping maintain the seal and cushion the contact between these components.
Fits:
- Porsche 914 1970-1973 (up to VIN 47329 26221)
Diagram ref no 14
What This Product Does
The rear seal closes the joint between the targa roof panel and roll bar. It helps restrict water, draughts and exterior noise from entering the cabin while supporting a secure roof fit. A sound seal can also reduce squeaks caused by contact and movement between the roof and surrounding structure.
Functions
- Seals the rear edge of the removable targa roof
- Helps limit water and air entering through the roof joint
- Cushions contact between the roof panel and roll bar
- Helps reduce roof-related squeaks and rattles
Technical Details
- Position: rear of the targa roof
- Component description: roof-to-roll-bar gasket
- Available as self-adhering foam or high-quality rubber with a bonded fuzzy edge
- Applicable to early Porsche 914 production up to VIN 47329 26221
- Exploded diagram reference: 14
Symptoms of Fault
- Water entering around the rear corners of the roof
- Wind whistle or increased cabin noise at speed
- Squeaks or creaks from the targa panel over uneven surfaces
- Flattened, split, hardened or missing sealing material
- Visible gaps between the roof and roll bar
- Damp trim, condensation or musty odours inside the cabin
Why Replacement Matters
Age, sunlight, repeated roof removal and long-term compression can cause the original seal to shrink, harden or lose its shape. Replacing a deteriorated gasket helps restore the roof joint, reduce unwanted noise and protect the cabin and trim from moisture. Roof latches, panel alignment and adjacent seals should also be inspected, as these parts work together to provide an effective seal.
FAQs
- Does this seal fit every Porsche 914?
No. This application is specified for 1970–73 cars up to VIN 47329 26221, so the chassis number should be checked before selection. - Why might the roof still leak after fitting a new seal?
Roof-panel alignment, latch adjustment, side seals and drainage paths can also affect water sealing. Inspect these areas before making final adjustments. - What should be checked during installation?
Clean the mounting surface thoroughly and avoid stretching the seal. Confirm that the roof panel sits evenly and allow new sealing material time to settle before final latch or alignment adjustments.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91456307711
The product you are viewing cross references to these numbers
- Porsche 914 (1970-1976)
Fits:
Porsche 914 - 1970 to 1973
Click 'Zoom in' for large parts diagram.
Diagram ref no 27
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91453182
The product you are viewing cross references to these numbers
- Porsche 914 (1970-1976)
Fits:
Porsche 914-1,8V/1,8 1974>>
Porsche 914-2,0
Click 'Zoom in' for large parts diagram.
Diagram ref no 20
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91453118
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- Porsche 914 (1970-1976)
Targa top-to-window seal set
Supplied as a matched left and right pair, these seals close the joint between the removable roof panel and the raised side windows.
Fits
- Porsche
914 1970–76
Diagram ref no 20
What This Product Does
The seals form a weather barrier where the door glass meets each side of the Targa roof. Replacing hardened, split or compressed seals can help address water entry, wind whistle and movement-related squeaks while protecting the cabin and interior trim from moisture.
Functions
- Seals the left and right roof-to-side-glass interfaces
- Helps prevent rainwater, draughts and dust entering the cabin
- Reduces wind noise caused by gaps around the raised windows
- Supports correct contact between the side glass and roof panel
- Replaces both sides during the same repair
Technical Details
- Set contents: one left seal and one right seal
- Left OE reference: 91453118510
- Right OE reference: 91453118610
- Uses the revised 1974–76 gasket profile with an additional sealing lip
- Original application: Porsche 914 1.8 and 2.0 models from 1974
- The later profile may also be fitted to earlier 1970–73 cars
Symptoms of Fault
- Water entering near the upper corners of the side windows
- Wind whistle or increased cabin noise at speed
- Flattened, torn, cracked or hardened sealing surfaces
- Damp trim, carpets or musty cabin odours
- Squeaks or creaks from the removable roof assembly
- Visible gaps between the roof seal and raised window glass
Why Replacement Matters
Age, sunlight, temperature changes and repeated roof removal can reduce the flexibility of the original seals. Renewing both sides together helps provide consistent contact around the roof panel, limits moisture reaching the interior and supports a more uniform roof and window fit. Window alignment, roof latches and adjoining seals should also be checked during installation.
FAQs
- Why can a new seal make the roof or window harder to close? Fresh rubber may require time to settle. Confirm the roof and window alignment rather than forcing the latch or glass.
- What should be checked if water still enters after fitting? Inspect the roof latches, window adjustment, drainage paths and adjacent front and rear Targa seals.
- How should the seals be installed? Clean the mounting channels and fit each seal without stretching it. Allow the pair to compress before making final alignment adjustments.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
914TWS
The product you are viewing cross references to these numbers
- Porsche 914 (1970-1976)
Vertical Targa Roof Seal Set
This replacement set renews the upright seals located between the rear edges of the door windows and the roll bar.
Fits
- Porsche 914 (1970–1976)
Diagram ref no 36
What This Product Does
Each vertical seal fits into the aluminium retaining channel on the roll bar and closes the joint behind the door glass. The formed sealing lip helps restrict water, draughts and wind noise from entering the cabin when the windows and removable roof are correctly aligned.
Functions
- Seals the rear vertical edge of each door window
- Fits within the roll-bar aluminium channels
- Helps limit water ingress around the side glass
- Reduces air gaps and wind whistle
- Supports correct sealing of the Targa roof system
Technical Details
- Complete left- and right-hand vertical seal set
- Left-hand OE reference: 91453114310
- Right-hand OE reference: 91453114410
- Location: rear edge of the door glass on the roll bar
- One complete set is required per vehicle
- Exploded-parts diagram reference: 36
Symptoms of Fault
- Water entering near the rear corners of the side windows
- Wind whistle or increased cabin noise at speed
- Cracked, hardened, flattened or torn rubber
- Visible gaps between the glass and roll-bar seal
- Damp trim, carpets or musty cabin odours
- Squeaks or rattles around the Targa roof and door glass
Why Replacement Matters
Age, sunlight, temperature changes and repeated compression can cause the original rubber to shrink or lose flexibility. Renewing both vertical seals can restore a continuous contact surface around the door glass, helping to protect the cabin and surrounding trim from moisture. Window position, roof alignment, latches and drainage paths should also be inspected, as these work together with the seals to provide effective weather protection.
FAQs
- Where are these seals installed?
They slide into the upright aluminium channels on the roll bar, directly behind the door windows. - Does the set cover both sides?
Yes. It contains the corresponding left- and right-hand vertical seals. - Why might a Porsche 914 still leak after fitting new seals?
Check the window adjustment, roof latches, adjoining seals and drainage paths. Correct alignment is necessary for consistent contact. - Is fitting preparation important?
Yes. Clean the retaining channels and surrounding surfaces thoroughly, and avoid stretching the rubber during installation.
Related reference numbers
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914VTSS
The product you are viewing cross references to these numbers
- Porsche 914 (1970-1976)
Fits:
Porsche 914-6/4/1,7 >>1973
Porsche 914-1,8V/1,8 1974>>
Porsche 914-2,0
Click 'Zoom in' for large parts diagram.
Diagram ref no 36
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91453114
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Perfect for sealing weatherstripping to door, hood, and trunk panels.
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00004330532
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Targa Top Seals - Precision Weather Sealing for Wind, Water & Noise Protection
Targa top seals are essential components that maintain the watertight and airtight integrity of your Porsche’s removable roof system. Designed to fit around the roof edges, side glass, and windscreen frame, these seals prevent wind noise, vibration, and water ingress — ensuring a quiet, comfortable, and leak-free driving experience. Over time, environmental exposure and repeated compression cause rubber seals to harden, crack, or shrink, making replacement crucial to preserve cabin comfort and vehicle protection.
At Design911, we offer a premium range of Targa top seals engineered for exact fitment, flexibility, and long-lasting performance. Each seal is crafted from high-grade rubber compounds resistant to UV, ozone, and temperature extremes, ensuring a perfect fit and dependable sealing for years to come. Whether for restoration, maintenance, or weatherproofing upgrades, our seals deliver the precision and durability expected by Porsche enthusiasts worldwide.
What Do Targa Top Seals Do?
Targa top seals are designed to create a continuous barrier between the removable roof panel and the bodywork, protecting against external elements.
Core Functions:
• Prevent water, wind, and dust from entering the cabin.
• Reduce wind noise and vibration at high speeds.
• Maintain proper roof alignment and pressure sealing.
• Protect interior trim and electronics from moisture damage.
• Ensure long-term comfort, safety, and weather resistance.
Properly fitted seals are key to preserving the driving refinement and structural integrity that make the Porsche Targa experience unique.
Why Do Targa Top Seals Fail or Degrade?
Exposure to sunlight, heat cycles, and movement over time can cause rubber materials to lose flexibility and sealing strength.
Common Causes of Failure Include:
• UV and ozone exposure causing hardening and cracking.
• Compression set from repeated roof removal or long-term storage.
• Deformation or shrinkage due to temperature fluctuations.
• Water or dirt contamination leading to surface wear.
• Improper alignment or fitting causing gaps and leaks.
When seals fail, symptoms include increased wind noise, water leaks, rattling panels, and a loose roof fit — all of which impact comfort and performance.
Why Replace or Upgrade Your Porsche Targa Top Seals?
Replacing deteriorated seals restores your Targa’s original refinement and weather protection. Design911’s precision-engineered rubber seals are crafted to match Porsche specifications, ensuring perfect fitment and long-lasting flexibility.
Key Benefits:
• Restores watertight and windproof sealing.
• Reduces cabin noise and roof vibration.
• Protects interior from leaks and corrosion.
• Made from premium, UV- and ozone-resistant rubber.
• Direct-fit design for classic and modern Targa models.
• Ideal for restorations, maintenance, or noise reduction upgrades.
Design911’s targa top seals combine precision engineering and superior materials — preserving the comfort, appearance, and value of your vehicle.
Highlights
• High-quality Porsche Targa top rubber seals.
• Designed for perfect roof and body alignment.
• UV- and weather-resistant rubber construction.
• Reduces wind noise and prevents leaks.
• Suitable for both classic and modern Targa models.
• Ideal for restorations and long-term maintenance.
