Injector repair kit 

Fuel Injector Rebuild Kit – Complete Set of Seals, Filters, and O-Rings for Car Injectors

The ultimate solution for workshops and professional technicians specialized in cleaning and servicing fuel injectors. The kit contains more than 1000 replacement pieces carefully organized to cover over 100 models of Top-Feed gasoline injectors from the world’s most popular brands:

Bosch – Denso (two different types) – Siemens/Continental (Deka) – Weber – Delphi – Rochester.

Instead of replacing the entire injector at high cost, you can fully rebuild it with this kit to achieve perfect sealing and optimal performance after ultrasonic cleaning or injector testing.

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🔹 Kit Contents

The box includes high-quality consumables (Viton + fuel-resistant thermoplastic):

1. O-Rings (Viton Sealing Rings)
   • Sizes: 11 mm – 14 mm – 14.5 mm.
   • Different colors for size identification.
   • Prevent any fuel or air leakage.
2. Filters (Internal Mesh Filters)
   • Standard diameter: 6 mm.
   • Different lengths (10.7 – 12 – 13.8 mm).
   • Installed at injector inlet to filter impurities.
3. Pintle Caps (Injector Nozzle Caps)
   • Two sizes (small and large opening) to match Denso types.
   • Improve spray atomization and fuel distribution.
4. Spacers & Grommets (Mounting and Insulation Bases)
   • Rubber insulators for upper and lower mounting.
   • Prevent vibration and secure the injector in place.

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🔹 Compatibility with Injector Types ✅ Bosch Injectors (EV1 / EV6 / EV14)

• Upper/Lower O-Rings 14.5 mm.
• 6 mm internal filter.
• Pintle Cap for some models.

✅ Denso Injectors (Blue Type)

• Upper O-Ring 105, lower O-Ring 204.
• Internal filter 206.
• Small-opening Pintle Cap.

✅ Denso Injectors (Red/Brown Type)

• Upper O-Ring 105 + extra 204.
• Dual lower O-Rings (400 + 401).
• Large-opening Pintle Cap.

✅ Siemens / Continental (Deka)

• O-Rings 11 mm or 14 mm.
• 6 mm internal filter.

✅ Weber

• 14 mm O-Ring.
• 6 mm internal filter.
• Pintle Cap compatible with Weber/Bosch design.

✅ Delphi

• Upper and lower O-Rings 14 mm.
• 6 mm internal filter.
• Specific Delphi Pintle Cap.

✅ Rochester (GM)

• Upper and lower O-Rings.
• 6 mm internal filter.
• Additional plastic rings depending on design.

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🔹 Product Gallery

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🔹 How to Use

1. Clean the injector in an ultrasonic cleaner or testing bench.
2. Remove the old filter with a small tool.
3. Install the new filter with the correct size.
4. Replace all O-Rings (apply light oil for easier fitting).
5. Install Pintle Cap or Spacer if the injector requires it.
6. Perform a pressure/leakage test to ensure perfect sealing before reinstalling.

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🔹 Advantages

• Covers over 100 of the most common injectors.
• Provides high-quality, heat- and fuel-resistant parts.
• Perfect for workshops offering injector cleaning and servicing.
• Reduces the cost of buying a new injector.
• Compatible with most Japanese, European, and American vehicles.