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Cometic head gasket .030"/90mm: BMW 1766cc (M10B18) 65-88/1990cc (M10B20) 72-78 C4293-030

Cometic head gasket .030"/90mm: BMW 1766cc (M10B18) 65-88/1990cc (M10B20) 72-78 C4293-030
No Tax, Each £115.33 Taxed, Each £138.40
Stock Lead Time Typically 4-5 weeks
Free UK Delivery Available
.030" thick multi-layer shim steel M10B18 & M10B20 engine. C....


Cometic part number: C4293-030
Gasket bore: 90mm
Gasket thickness: 0.030" (0.76mm)
Gasket type: multi-layer shim steel

Cometic MLS gaskets are comprised of multiple layers of stainless steel due to its increased strength, ability to rebound and resistance to corrosion. The outer layers of the gaskets are embossed and coated on both sides with Viton - a flouroelastomer rubber based material that is heat resistant to 250C / 482F. Viton is designed to meet the demands of a variety of harsh sealing environments, load conditions and surface finishes. The centre or shim layer is a uncoated stainless steel layer which can be varied to accommodate multiple thickness requirements. They provide maximum sealing performance for today’s high output engines and require no sealants. Ideal for aluminium heads to aluminium blocks and aluminium heads to cast iron blocks withstanding the shearing force created by the two materials. No need to re-torque, the embossing design of the MLS gasket promotes an even clamp load across the sealing surface allowing for measurable reduced bore distortion.

A surface finish of 50 microinches or finer is recommended for a proper gasket seal. Anything rougher may result in gasket failure.

BMW 1573cc M10B18 /1990cc M10B20 Engine
  • BMW 1800 1969-1972
  • BMW 1802 1971-1975
  • BMW E21 320i/320is 1980-1983
  • BMW E30 318i 1982-1987
  • BMW E28 518i 1981-1988
  • BMW 2000CS 1965-1970
  • BMW 2000C 1966-1970
  • BMW 2000 1966-1972
  • BMW 2000ti 1966-1971
  • BMW 2002 1968-1976
  • BMW E12 520 1972-1977
  • BMW 2000tii 1970-1973
  • BMW 2002tii 1972-1974
  • BMW E12 520i 1972-1974
  • BMW E21 320 1975-1979
  • BMW E21 320i 1975-1978
  • BMW E12 520i 1975-1979
  • BMW 2002 turbo 1973-1975
Additional Information

Additional Information

Part No C4293-030
Fits Engine Type BMW M10B18/B20
Part Type Head Gasket
Product Group Gaskets & Seals
Stock Status Stock Lead Time Typically 4-5 weeks
Fits Engine Make BMW
Material Multi Layer Steel (MLS)
Thickness .030"
Brand Logo Cometic Gaskets
Free Shipping Free UK Delivery Available