Stant
Oil Filler Cap

Stant 10138 Engine Oil Filler Cap

Brand Stant 10138
Freight Class 85
Product line Oil Filler Cap
Fits Kia and Hyundai · 14 vehicles

OE direct replacement. Fits and functions as the factory oil filler cap.

Black hard plastic. Includes a rubber seal for a secure closure.

Engine oil filler cap. Replaces the factory cap with a cam-on design.

$26.28Free shipping
In stock · usually ships same day before 1pm CST
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Order total $26.28
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Free returns within 60 days if it doesn't fit when fitment is verified.

OE-Style Oil Filler Cap Replacement

Stant 10138 is a black hard plastic cam-on engine oil filler cap with a rubber seal, built to replace the factory cap with an OE-style fit and function. It is a direct replacement for select Hyundai and Kia applications, including Hyundai Elantra, Hyundai Tiburon, Kia Optima, and Kia Magentis.

For buyers searching for an engine oil filler cap for 1996-2000 Hyundai Elantra or a replacement oil cap for 1997-2001 Hyundai Tiburon, this part number 10138 provides a straightforward service solution.

Key Features

  • Black hard plastic cam-on oil filler cap
  • Rubber seal for a secure closure at the valve cover opening
  • Built to match OE cap fit and function
  • Direct replacement for the factory filler cap
  • Stant part number 10138

Detailed Description

Stant 10138 is an engine oil filler cap designed for routine maintenance and replacement when the original cap is worn, cracked, or no longer seals properly. The hard plastic construction and integrated rubber seal are intended to restore a proper closure at the oil fill opening, helping maintain a clean and secure engine top end. This OE-style replacement is listed for 1996-2000 Hyundai Elantra, 1997-2001 Hyundai Tiburon, 2001-2002 Kia Optima, and 2001-2002 Kia Magentis. If you need a Stant 10138 oil filler cap for these vehicles, this part is matched to the factory application.

Stant’s Oil Filler Cap line focuses on direct-fit replacement caps for common engine service needs, with application-specific designs that follow the original cap style and sealing method.

What It Helps Solve

  • Broken or cracked oil filler cap
  • Loose cap that no longer seals correctly
  • Missing factory oil cap after service
  • Oil fill opening contamination from an unsecured cap
  • Need for an OE-style replacement on Hyundai Elantra, Hyundai Tiburon, Kia Optima, or Kia Magentis

Installation Notes and Tips

Verify the cap style and engine oil fill opening before installation. Clean the sealing surface on the valve cover, then install the cap and confirm it locks or cams on securely. For fitment confirmation, match the vehicle year and model exactly: Fits 1996-2000 Hyundai Elantra, N/A; Fits 1997-2001 Hyundai Tiburon, N/A; Fits 2001-2002 Kia Optima, N/A; Fits 2001-2002 Kia Magentis, N/A.

Quality Assurance

Made from quality material and engineered to function as an OE replacement, Stant 10138 is built for direct-fit service on the listed applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2002KiaMagentisN/AOil Filler Cap
2002KiaOptimaN/AOil Filler Cap
2001HyundaiTiburonN/AOil Filler Cap
2001KiaMagentisN/AOil Filler Cap
2001KiaOptimaN/AOil Filler Cap
2000HyundaiElantraN/AOil Filler Cap
2000HyundaiTiburonN/AOil Filler Cap
1999HyundaiElantraN/AOil Filler Cap
1999HyundaiTiburonN/AOil Filler Cap
1998HyundaiElantraN/AOil Filler Cap
1998HyundaiTiburonN/AOil Filler Cap
1997HyundaiElantraN/AOil Filler Cap
1997HyundaiTiburonN/AOil Filler Cap
1996HyundaiElantraN/AOil Filler Cap