• CD Stromberg 175CD-2S Diaphragm Torana LJ GTR XU-1 Genuine Hydrin High Performance (B19421)


These genuine CD Stromberg Diaphragms are manufactured from Hydrin, which posseses superior abilities to Nitrile and Butyl based materials. 

Superior balance of properties of low temperature flex plus excellent resistance to heat, oil, fuel, and ozone.

Unique properties are high permeation resistance and inherent static dissipation.

  • Broad temperature range:
    -40°C to >125°C continuous; >150°C short-term
  • Range of dynamic properties - Damping to Resilient
  • Inherently electrostatic dissipative
  • High permeation resistance to gasses - Exceeds butyl in most instances
  • Hydrocarbon resistant - Fossil and bio-fuels

As used in:

Holden Torana LJ, GTR XU1 202 CI. 1972-73 (requires 3) DISCOUNT APPLIES FOR 3

The most important properties of polyepichlorohydrin elastomers are unique balances of temperature, permeation and fuel resistance.

As a result, Hydrin has a wide range of applications.

Automotive diaphragms, hoses, and air ducts represent the largest market areas for these polymers.


For diaphragm used in the following vehicles see B19420

Hillman Avenger 1600cc. GT; 1976-77

Jaguar E Type 6 Cyl. 4.2L; 1967-75 (requires 2)

Jaguar XJ6 4.2L; 1968-75

Jaguar XJ6 V12 5.3L; 1967-75 (requires 4)

Jaguar E Type; 1971-75

Lotus Elan 1967-74

Jensen Healey; 1975-78

MGB 1800cc; 1975-78

Land Rover 2.6L 6 Cyl; 1967-78

Range Rover 3.5L V8; 1970-86

SAAB 1709cc. 99;1968-71

SAAB 2000cc. 99; B20; 1971-75

SAAB 2000cc. M81; 99; 900; 1979-85

For TR4 & TR4A see our 019583 Hydrin Diaphragm

Triumph TR6; TR7; TR8; 1970-76

Triumph Stag V8; 1970-76

Vauxhall 1760cc. 1800cc; 1974-79

Vauxhall 2000cc. VX4/90; Viva; 1969-72

Vauxhall 2300cc. VX; Victor; Magnum; Firenza; 1972-77

Volvo 121; 131; 144; 144S; 145S; 164; 164S; 1966-73

Volvo 144 B20A; 242; 244; B21A; 245; B19A; 340; 1968-83

Volvo Penta 5151M; 5160M; Marine Engines 1969-70


CD Stromberg 175CD-2S Diaphragm Torana LJ GTR XU-1 Genuine Hydrin High Performance (B19421)

  • Brand: Zenith UK
  • Product Code: B19421
  • Availability: 41
  • $23.00