URO 99610703550 Engine Oil Filler Cap

Engine Oil Filler Cap for Porsche 911 and Boxster

This URO engine oil filler cap is a direct replacement for European vehicles that need a secure, screw-on oil cap with an integrated seal. Built from PA6 plastic in matte yellow, it matches the original style used on Porsche 911 and Boxster applications while helping maintain a proper seal at the oil fill opening.

Part number 99610703550 is a practical OE-style replacement for drivers and technicians servicing 1997-2004 Porsche Boxster and 1999-2005 Porsche 911 models. The round cap design, yellow indicator color, and included gasket or seal support a clean, factory-type fit at the engine oil filler neck.

Key Features

• OE-style engine oil filler cap for Porsche applications
• Fits 1999-2005 Porsche 911 and 1997-2004 Porsche Boxster
• PA6 construction with matte yellow finish
• Round, screw-on mounting and attachment method
• Gasket or seal included for sealing at the filler opening
• No indicator markings on the cap face
• URO part number 99610703550

Detailed Description

URO Parts replacement components are made for European vehicles and are engineered to meet or exceed OEM specifications. This engine oil filler cap is a straightforward replacement for worn, cracked, or missing caps on Porsche 911 and Porsche Boxster models. The screw-on design and included seal help restore a proper closure at the oil fill point, while the yellow color and round profile match the original service part appearance. If you are searching for a Porsche 911 oil filler cap or a Porsche Boxster engine oil cap, part number 99610703550 is the correct OE-style reference to use.

This part cross-references Porsche 996 107 035 50 and URO-017650 for the same application.

What It Helps Solve

• Loose or damaged oil filler cap threads
• Oil seepage at the filler opening
• Missing or deteriorated cap seal
• Broken cap body from age or heat exposure
• Incorrect replacement cap fitment on Porsche 911 and Boxster engines

Installation Notes and Tips

Install by threading the cap onto the oil filler neck until it seats securely. Inspect the filler neck and sealing surface before installation, and replace the cap if the threads, seal, or body show wear. Confirm fitment against the vehicle application before ordering, especially when servicing a 1999-2005 Porsche 911 or 1997-2004 Porsche Boxster.

Quality Assurance

URO Parts components are produced as quality replacement parts for European vehicles and are intended to meet or exceed OEM specifications. The brand also offers problem-solving upgraded components through its URO Premium line, supported by an unlimited mileage, lifetime warranty.