Injector sleeve fuel injector holder M110 – Mercedes R107 W123 C123 W116

Description

Injector sleeve - Fuel injector holder - Insulating sleeve M110 - Mercedes R107 C107 W116 W123 C123 S123 W126 W460

Original Mercedes part – NOS (New Old Stock) – includes sealing ring, excluding injector rubber.

This original Mercedes injector sleeve, also known as fuel injector holder or insulation sleeve, is applied in various versions of the M110 six-cylinder petrol engine of K-Jetronic – KA-Jetronic fuel injection.

The sleeve ensures the correct positioning, shielding, and insulation of the fuel injector.

It concerns a Original Mercedes part from old stock (NOS), not a reproduction or 3D-printed part.

When replacing, we also recommend checking the other seals and injection parts for wear and aging.

Suitable for Mercedes models

R107 – SL (1974-1985)

• 280 SL – 107.042 – M110.986, M110.990

C107 – SLC (1974-1981)

• 280 SLC – 107.022 – M110.986

W116 – S-Class (1972-1980)

• 280 SE – 116.024 – M110.985
• 280 SEL – 116.025 – M110.985

W123 – Sedan (1976-1985)

• 280 E – 123.033 – M110.984, M110.988

C123 – Coupé (1977-1985)

• 280 CE – 123.053 – M110.984, M110.988

S123 – T-model (1978-1985)

• 280 TE – 123.093 – M110.984, M110.988

W126 – S-Class (1979-1985)

• 280 SE – 126.022 – M110.989
• 280 SEL – 126.023 – M110.989

W460 – G-Class (1979-1989)

• 280 GE – M110 petrol engine with K-Jetronic

Overview of M110 engine numbers

• M110.984
• M110.985
• M110.986
• M110.987
• M110.988
• M110.989
• M110.990
• M110.994

NB: Not every M110 engine has the same injection system. Therefore, always check the full engine number and the version of the fuel injection system.

Specifications and additional information

1. Mercedes OEM number: A1100700055
2. Previous Mercedes OEM number: A1100780383
3. Included sealing ring: A0039973048
4. Injector rubber: not included, order separately
5. Execution: Original Mercedes NOS – New Old Stock
6. Injection system: K-Jetronic – KA-Jetronic
7. Required quantity: 6 units per six-cylinder engine
8. Sale: per piece, including original sealing ring
9. Installation advice: Work cleanly and check for fuel leaks and false air after installation. The Mercedes factory specifications are the governing document.

Important

This installation advice has been compiled with the greatest possible care and is intended solely as a general technical guideline. The official workshop manual and the manufacturer's specifications for the relevant vehicle and engine type are always the guiding principles.

Always check the correct assembly procedure, adjustments, and tightening torques before commencing work. We accept no liability for damage resulting from incorrect assembly or application.

Always check before purchase and installation whether the part is suitable and equivalent based on photos, description, and specifications; installed or used parts cannot be returned.