98014752 / 5821521 Valve Cover Oil Seal for Opel 1.7D
The 98014752 valve cover oil seal is a replacement sealing component for Opel 1.7D diesel engines, including Z17DTJ, Z17DTR and A17DTJ applications. It helps prevent oil leakage around the valve cover.
This product is supplied as one individual oil seal. The listed price is per piece.
OEM / Reference Numbers
- 98014752 — primary OEM reference
- 5821521 — related cross-reference
Compatible Valve Cover References
- 5607251
- 98001142
- 55573764
- 607291
Part Type
- Valve cover oil seal
- Cylinder head cover sealing element
- Individual replacement seal
- Price per one piece
What This Part Does
The seal helps maintain an oil-tight connection between the valve cover and cylinder head. Replacing a hardened or flattened seal can restore the connection when the cover remains serviceable.
Compatible Vehicles
Listed for compatible Opel 1.7D diesel applications using the corresponding valve cover design. Specific models and years are not listed.
Engine Compatibility
- Opel Z17DTJ 1.7 diesel
- Opel Z17DTR 1.7 diesel
- Opel A17DTJ 1.7 diesel
Common Symptoms of Seal Failure
- Oil seepage around the valve cover
- Oil residue between the cover and cylinder head
- Recurring oil traces after cleaning
- A hardened or flattened original seal
Why Choose This Replacement
- Targets OEM 98014752
- Supports cross-reference 5821521
- Designed for the listed Opel 1.7D engine codes
- Sold individually in the required quantity
Important Before Ordering
- Verify OEM 98014752 or 5821521.
- Confirm the exact engine code.
- Compare the original seal shape.
- Check the compatible valve cover reference.
- Remember that the price is per piece.
Frequently Asked Questions
What does OEM 98014752 fit?
It is listed for compatible Opel 1.7D engines including Z17DTJ, Z17DTR and A17DTJ.
Is 5821521 the same type of part as 98014752?
Yes. It is listed as a cross-reference for the valve cover oil seal.
Are 5607251 and 98001142 oil seal numbers?
No. They are supporting references for compatible valve covers.
What does the oil seal do?
It seals the connection between the valve cover and cylinder head.
Is the price for a complete set?
No. The product is sold individually, and the price is for one seal.
How do I confirm compatibility?
Check the OEM reference, engine code, original seal shape and installed valve cover reference.
Read All
Orders ship within 1–2 business days.
Standard delivery:
- USA: Some items ship from our US warehouse and arrive within 3 business days.
- USA-EU: 10–21 business days
- Worldwide: 14–30 business days
Shipping cost is shown at checkout.
Can I exchange or return an item?
Yes, you can exchange or return an item within 14 days of purchase. This right is guaranteed to you by the Law on the Protection of Consumer Rights
To use this feature, please make sure that:
- the product was not in use and has no traces of use: scratches, chips, abrasions, etc.
- the goods are fully completed and the integrity of the packaging is not violated
- retained all labels and factory markings