X AUTOHAUX Fuel Injector Seal Repair Kit for VW & Audi — 4-Set O-Rings & Pintle Caps (Fits 06H998907A/06J998907)

X AUTOHAUX 4-set fuel injector seal repair kit replaces worn O-rings and pintle caps for VW and Audi engines using part numbers like 06H998907A, 06J998907A and similar.

This compact repair kit supplies the common upper and lower injector seals and retaining caps needed when fuel injectors begin leaking, smelling of gasoline, or causing rough idle. The set is designed to match OEM-style fitments for many Volkswagen and Audi engines, giving a cost-effective way to refresh injector sealing without replacing the injector body. Materials are engineered to resist heat and fuel exposure and the kit contains the pieces most often required for a basic injector reseal service.

How do I know these seals fit my VW or Audi?

Compatibility centers on the listed part numbers and the injector geometry used in many VW and Audi engines. This kit targets injectors that use part numbers such as 06H998907A, 06G998907, and 06J998907A, commonly found in Beetle, Golf, Jetta, Passat, Tiguan and various Audi A3–A6, Q3–Q5 and TT models. Always compare the part numbers and injector shape before ordering.

• Matches OEM-style part numbers: 06H998907A, 06G998907, 06J998907A, etc.
• Fits many VW models (Beetle, Golf, Jetta, Passat, Tiguan, Scirocco).
• Fits many Audi models (A3, A4, A5, A6, Q3, Q5, TT).
• Compare your injector’s shape and part number to confirm fitment.

What symptoms indicate I should replace these injector seals?

Worn injector seals usually produce noticeable symptoms around fuel delivery and engine smoothness. If you detect fuel odors in or around the vehicle, notice rough idling, higher fuel consumption, or hard hot starts, leaking or hardened O-rings may be the cause. Replacing seals early can prevent fuel contamination of oil and reduce risk of further engine issues.

• Fuel smell inside or near the vehicle.
• Erratic or rough idle and poor hot starts.
• Sudden increase in fuel consumption.
• Oil thinning from fuel dilution (inspect oil color and level).

What's included in this repair kit and what materials are used?

The kit includes the upper and lower O-rings plus pintle caps needed for a four-injector service. Components are molded from fuel-resistant elastomers and durable plastics intended to endure heat and contact with gasoline. The set supplies the most commonly replaced pieces so you can complete a basic injector reseal without sourcing multiple parts.

• 4 x upper injector O-rings and 4 x upper seals
• 4 x upper retaining pintle caps and 4 x lower retaining pintle caps
• 4 x outer injector caps (dust caps)
• Materials: fuel-resistant elastomer and heat-tolerant plastics

Can I install these seals myself or should I visit a shop?

Experienced DIYers with basic tools can replace injector seals at home, but installation requires careful handling to avoid damaging injector tips and to ensure correct seating. If you’re not comfortable removing fuel rail components, or lack a clean workspace, a professional technician will ensure proper torque and leak testing. Instructional videos are available online to guide the process step-by-step.

• DIY-friendly for those comfortable with fuel system work.
• Use clean tools and a lint-free workspace to avoid contamination.
• Leak-check and start-up inspection recommended after install.
• Search for vehicle-specific installation videos before starting.

Who this is for: This X AUTOHAUX fuel injector seal kit is aimed at Volkswagen and Audi owners, independent mechanics, and DIY enthusiasts who want a targeted, cost-effective way to stop injector leaks and restore reliable sealing for engines that use the listed part numbers. It’s ideal for vehicles showing fuel odors, rough idle, or increased fuel usage where injector seals are the likeliest culprit.