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Genuine 1239900053 Fuel Pump Cap NutOE Quality 60-Day Returns
Part #: 1239900053

Genuine 1239900053 Fuel Pump Cap Nut

44 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mercedes-Benz, SL500, SL600, SL320, 190E, 300SL, 500SL, and 600SL
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Fuel Pump Cap Nut for Mercedes-Benz Applications

This Genuine fuel pump cap nut, part number 1239900053, is a direct-fit hardware component for select Mercedes-Benz fuel delivery systems. It is used on specific 190E, SL, and SL-Class applications where the fuel pump assembly requires the correct retaining nut for secure service and reassembly.

Key Features

  • Genuine replacement fuel pump cap nut
  • Part number 1239900053 for accurate ordering and service matching
  • Fits select Mercedes-Benz 190E, 300SL, 500SL, 600SL, SL320, SL500, and SL600 applications
  • Used in air and fuel delivery hardware service
  • Supports proper fuel pump assembly retention during maintenance

Detailed Description

Genuine 1239900053 is a fuel pump cap nut for Mercedes-Benz vehicles that require the correct OE-style hardware at the fuel pump assembly. This part is listed for 1984-1993 Mercedes-Benz 190E, 1990-1993 Mercedes-Benz 300SL, 500SL, and 600SL, plus 1994-2002 Mercedes-Benz SL500, 1994-2000 Mercedes-Benz SL600, and 1994-1997 Mercedes-Benz SL320, with fitment notes up to F110984 where specified. It is also cataloged for 190E engines 102.985 and 103.942 in the listed model years. If you are searching for a Mercedes-Benz fuel pump cap nut 1239900053 for service on these chassis, this part matches the documented applications.

What It Helps Address

  • Missing or damaged fuel pump retaining hardware
  • Improper fuel pump cap fastening during repair
  • Service issues on Mercedes-Benz fuel delivery assemblies
  • Replacement needs for worn or corroded cap nuts
  • Correct reassembly after fuel pump maintenance

Installation Notes and Tips

Verify the vehicle model, year, and any listed chassis or engine notes before ordering. Confirm the fuel pump assembly configuration against the existing hardware and compare the old part to part number 1239900053 during service. For best results, install using the correct factory service procedure for the specific Mercedes-Benz application.

Quality Assurance

Genuine parts are sourced to match the specified OE application requirements for Mercedes-Benz fuel system service.

This part fits 44 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2002Mercedes-BenzSL500N/AUp to F110984
2001Mercedes-BenzSL500N/AUp to F110984
2000Mercedes-BenzSL500N/AUp to F110984
2000Mercedes-BenzSL600N/AUp to F110984
1999Mercedes-BenzSL500N/AUp to F110984
1999Mercedes-BenzSL600N/AUp to F110984
1998Mercedes-BenzSL500N/AUp to F110984
1998Mercedes-BenzSL600N/AUp to F110984
1997Mercedes-BenzSL320N/AUp to F110984
1997Mercedes-BenzSL500N/AUp to F110984
1997Mercedes-BenzSL600N/AUp to F110984
1996Mercedes-BenzSL320N/AUp to F110984
1996Mercedes-BenzSL500N/AUp to F110984
1996Mercedes-BenzSL600N/AUp to F110984
1995Mercedes-BenzSL320N/AUp to F110984
1995Mercedes-BenzSL500N/AUp to F110984
1995Mercedes-BenzSL600N/AUp to F110984
1994Mercedes-BenzSL320N/AUp to F110984
1994Mercedes-BenzSL500N/AUp to F110984
1994Mercedes-BenzSL600N/AUp to F110984
1993Mercedes-Benz190E2.3N/A102.985
1993Mercedes-Benz190E2.6N/A103.942
1993Mercedes-Benz300SLN/AUp to F110984
1993Mercedes-Benz500SLN/AUp to F110984
1993Mercedes-Benz600SLN/AUp to F110984
1992Mercedes-Benz190E2.3N/A102.985
1992Mercedes-Benz190E2.6N/A103.942
1992Mercedes-Benz300SLN/AUp to F110984
1992Mercedes-Benz500SLN/AUp to F110984
1991Mercedes-Benz190E2.3N/A102.985
1991Mercedes-Benz190E2.6N/A103.942
1991Mercedes-Benz300SLN/AUp to F110984
1991Mercedes-Benz500SLN/AUp to F110984
1990Mercedes-Benz190EN/A
1990Mercedes-Benz300SLN/AUp to F110984
1990Mercedes-Benz500SLN/AUp to F110984
1989Mercedes-Benz190EN/A
1988Mercedes-Benz190E2.3N/A102.985
1988Mercedes-Benz190E2.6N/A103.942
1987Mercedes-Benz190E2.3N/A102.985
1987Mercedes-Benz190E2.6N/A103.942
1986Mercedes-Benz190EN/A
1985Mercedes-Benz190EN/A
1984Mercedes-Benz190EN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.