3973511 Engine Oil Filler Cap
Black engine oil filler cap marked3973511 with a lobed grip. Match the filler-neck connection and sealing arrangement before ordering.
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Description
Reference 3973511 identifies the black engine oil filler cap shown in the product photograph. The top face is marked “DIESEL ENGINE OIL”, “OPEN” and “CLOSE”. Match the cap connection and sealing arrangement to the required engine before ordering.
Specifications
| Reference | 3973511, visible on the photographed cap and listed in the source model field |
|---|---|
| Product type | Engine oil filler cap |
| Visible form | Black cap with a lobed hand grip and printed opening/closing directions |
| Supplier-listed material | PP; exact grade and service limits are not documented |
| Connection and dimensions | Not confirmed; compare underside, mating neck and drawing |
| Seal and package contents | Sealing-ring inclusion and package quantity require confirmation |
Matching and ordering
Provide the engine or vehicle identification, the full reference on the original cap, and photographs of the underside and filler neck. Confirm the locking interface, sealing-ring arrangement and required material before selection. No blanket vehicle-year fitment or alternative OE-number equivalence is established here.
Frequently Asked Questions
What reference is visible on the cap?
The photographed top face shows 3973511. Use the full reference together with the connection details when requesting a match.
Can vehicle displacement or model year alone confirm fit?
No. The filler-neck interface, locking features, underside geometry and sealing arrangement must match the required assembly.
Is a sealing ring included?
The supplied top-face photograph does not establish the underside or package contents. Confirm the sealing ring and any included components before ordering.
For related sealing products, visit the IKSONIC website.
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