Heat exchanger spare parts

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Various spare parts are available for Vetus Diesel heat exchanger assemblies.

Spare parts include the o-rings, filler caps, heat exchanger housing, filler neck, covers, seals and gasket.

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Heat exchanger housing M4 STM7551 Heat exchanger housing for Vetus Diesel M4.15, M4.17 and M4.55 engines. The diagram shows the original design of heat exchanger: new heat exchangers may differ in appearance, but use the same parts to complete the installation. Please note that the heat exchange is supplied with the filler neck, but if you require the unvented version this should be ordered separately. Part reference: STM7551	£375.00
NEW filler / pressure cap 18-14715-- New design filler / pressure caps for all M-Series, P- Series and VH-Series Vetus Diesel engines. Used on new engines since 2019. This cap is used for heat-exchanger cooled engines and keel-cooled engines, regardless of whether they have a calorifier or expansion tank fitted. The cap vents at 1.0 bar and a small length of pipe can be used to drain any coolant overflow into the bilge. This replaces STM9507 and STM1017 (which are no longer available) but MUST be used with the new-design filler neck - please order a filler neck as well if you require one. Part reference: 18-14715	£16.90
Heat exchanger gasket STM7825 Gasket for heat exchanger for Vetus M4.15, M4.17 and M4.55 Part reference: STM7825	£16.50
NEW filler neck 18-14649-- New-design filler neck for heat exchanger for all M-Series, P- Series and VH-Series Vetus Diesel engines. Used on new engines since 2019. This version is for all engines, heat-exchanger or keel cooled, regardless of whether they have an expansion tank or calorifier fitted. This replaces STM3750 and STM1515 but MUST be used with the new-style black plastic filler cap. This should be ordered together with the new-type black filler cap if you are replacing the earlier metal caps. Product code: 18-14649	£15.90
Injection bend gasket STM7476 Gasket between turbocharger and injection bend for Vetus Diesel M4.55 and M4.56.	£4.60
O-ring STM6113--- Heat exchanger housing for the following Vetus Diesel engines: M2.02, M2.04, M2.13, M2.C5, M2.D5, M2.06, M2.18 M3.09, M3.28, M3.29 M4.15, M4.35, M4.17, M4.45, M4.55, M4.56 P4.17, P4.19 VH4.65, VH4.80 Please note that it is strongly advised that the heat exchanger tube stack is removed and checked at the end of the season; and any build-up of salt is removed to prevent potential corrosion issues. The heat exchanger should be reassembled using new two o-rings. Part reference: STM6113	£4.10
Injection bend gasket STM7558 Gasket between heat exchanger and injection bend for Vetus Diesel M4.15, M4.35, M4.17 and M4.45.	£4.00