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Vendor: European Autospares Trading LLC
Genuine Porsche Engine Sealing O-Ring 99970749640
Dhs. 18.00
Vendor: European Autospares Trading LLC
Genuine Porsche Engine Sealing O-Ring 99970749640
Dhs. 18.00
Description
xGenuine Porsche Engine Sealing O-Ring 99970749640 - OE Sealing Precision
A small seal that does a big job. This genuine Porsche engine sealing O-ring 99970749640 keeps oil and pressure exactly where the engineers intended, protecting internal engine components from slow, expensive leaks. OE cross-section means it seats first time with no guesswork and no comebacks. If you are resealing an engine or servicing a sealed joint, this is the correct OE part for the job.
What It Does
The sealing ring sits between two machined engine surfaces and maintains a fluid-tight joint under heat, pressure and vibration. As the engine warms and cools, the OE-spec elastomer flexes with the mating surfaces instead of taking a permanent set, which is how a single ring can hold back hot oil for years. It works silently inside the engine, but everything it protects — oil pressure, crankcase breathing and clean underbody components — depends on it sealing perfectly.
Signs It Needs Replacing
A failing sealing ring rarely announces itself loudly. Look for a light oil weep at the joint it seals, a faint oil smell after a hot run, oil mist collecting on nearby components, or a slow drop in oil level with no visible drip on the driveway. Because the ring lives inside the engine, access usually means removing adjacent components, so it is always replaced as a matter of course during any engine-out or major reseal work rather than left to leak later.
Why Genuine OEM Matters Here
For seals, dimensional accuracy is everything. A genuine Porsche ring is moulded to the exact OE profile, so the sealing lip loads the mating surface evenly all the way round — no high spots, no thin sections that flatten under heat. The compound is specified for the oil chemistry and temperature range of the application, resisting the hardening and shrinkage that make generic rings weep within a year. Fit it once, fit it right, and the joint stays dry.
Installation Notes
This is a technician-level job: the old ring must come out cleanly, the sealing groove must be spotless and dry, and the new ring seated without twisting or nicking the lip. A light film of clean engine oil on the lip helps it slide into place. Never reuse a sealing ring once disturbed — compression set means it will not seal a second time. Torque all related fasteners to the workshop specification in the correct sequence.
Specifications
| Brand | Porsche |
| OE Part Number | 99970749640 |
| Part Type | Engine sealing O-ring |
| Material | OEM-specification sealing elastomer |
| Application | Porsche engine O-ring sealing applications — confirm fitment with your VIN |
| Condition | New, genuine OEM |
| Packaging | OE packaging |
| Compatibility | Fitment must be verified against your VIN before ordering |
| Sourcing | Supplied by European Auto Spares, Dubai, UAE |
Genuine OEM vs Aftermarket
| Feature | Genuine 99970749640 | Generic / Aftermarket |
|---|---|---|
| Fitment accuracy | Moulded/formed to exact OE dimensions — seats first time | Approximate dimensions — may need adjustment |
| Material durability | OE-specified compound/finish resists heat, oil and ageing | Generic materials harden, shrink or corrode early |
| Service life | Designed for full OE service intervals | Often needs replacing again within a year |
| Consistency | Every unit identical to OE specification | Quality varies batch to batch |
| Warning/performance accuracy | Performs exactly as the vehicle systems expect | May trigger false warnings or alter behaviour |
| Total cost of ownership | Fit once; no comebacks, no repeat labour | Cheap part, expensive second fitting |
Comparison based on OE specification standards for genuine Porsche parts versus typical generic alternatives; individual aftermarket products vary. Verified against manufacturer part data, October 2026.
Why Buy from European Auto Spares
Oil stays where it belongs
The OE lip profile and compound are engineered for this exact joint, so oil pressure and crankcase sealing remain exactly as Porsche designed them.
No weeps, no stained driveways
Correct compression set resistance means the ring keeps sealing through heat cycles instead of flattening and weeping like a tired generic.
Fits first time
Genuine OE geometry seats straight into the groove with no trimming, shimming or second attempts — your technician will thank you.
Built for hot oil
The compound resists hardening and shrinkage in the presence of hot engine oil, which is the number one reason cheap rings fail early.
Fast UAE delivery
In stock with European Auto Spares and shipped across Dubai and the UAE, so your reseal job is not waiting on a seal.
Confirm Fitment with Your VIN
Part numbers cross multiple models and production years, so the surest way to confirm this engine sealing o-ring suits your car is your VIN. Send us your complete VIN before ordering and our parts team will verify 99970749640 against the factory catalogue — it takes minutes and removes all doubt, especially for cars with mid-cycle production changes.
Complete the Job
If you are servicing the engine parts, browse our full Engine Parts range and the complete Porsche Spare Parts catalogue. For related sealing and fastening hardware see our Gasket Parts selection, and cross-shop Porsche Spare Parts for more genuine OE components.
Order your genuine Porsche engine sealing o-ring 99970749640 from European Auto Spares today — OEM quality, competitive UAE pricing and fast delivery across Dubai and the Emirates. Questions on fitment or installation? Contact our parts team with your VIN and we will confirm everything before you buy.
Fitment Details
xFitment Details
| Application | Notes |
|---|---|
| Porsche engine O-ring sealing applications | Verify against your VIN before ordering |
Technician note: part numbers can span multiple models, engines and production years, and mid-cycle changes are common. Always confirm 99970749640 against the factory parts catalogue using the complete VIN. Fitting is a workshop job — follow the manufacturer's torque values and sequences, and renew any disturbed seals, clips or fasteners at the same time.
Unsure? Send us your VIN and our parts team will confirm fitment before you buy.
FAQs
xWhat does the engine sealing o-ring 99970749640 do?
The 99970749640 is a genuine Porsche engine sealing o-ring that keeps its system sealed and working as designed. It is manufactured to the exact OE specification for the specified applications, so it fits, seals and performs exactly like the part your car left the factory with — no modifications needed.
How do I know my engine sealing o-ring needs replacing?
Watch for the classic symptoms: fluid weeps or drips at the joint, warning lights on the dashboard, unusual noises, or degraded performance in the system it serves. Because these parts wear gradually, problems often appear slowly — so inspect them at every service and replace at the first sign of wear rather than waiting for a failure.
Will the 99970749640 fit my car?
This part number covers specific models and production years, so the reliable check is your VIN. Send us your complete VIN before ordering and our parts team will confirm the 99970749640 against the factory catalogue free of charge. That verification takes minutes and guarantees you receive the correct genuine part first time.
Why buy genuine, and what warranty do I get?
Genuine parts match OE dimensions, materials and performance exactly, which means correct fitment, full service life and no comebacks — a cheap copy that fails early costs you the labour twice. All genuine parts from European Auto Spares are covered by our standard warranty in line with UAE consumer protection, and our Dubai-based team supports you after the sale.
Found It Cheaper.?
xShipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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