7664604 replacement pre-chamber for HGM and SFGM engines
76.64.604 prechamber spark plugs available for Guascor HGM560 and SFGM560 gas engines. The new part number from 2019 is 7664765 (76.64.765) and traded under Siemens brand name.
This pre-chamber spark plug is specially designed for the Guascor HGM560 engines, but also can be used in the Guascor SFGM series. The unique design of this pre-chamber gives a better engine performance. Other advantages of this exclusive spark plug are reduced (NOx) emissions, less blockage of the holes and longer plug life time which reduces maintenance and costs.
These plugs were specially designed for Guascor HGM560 engines and can also be used in the Guascor SFGM series. The only requirement is the correct sleeve.
Unique technology based on producer's own patents
- Better engine performance thanks to a very efficient pre-chamber design
- Longer plug lifetime, reduces maintenance
- Lower gas consumption achievable
- Competitive pricing
Amplification of ignition energy level in main combustion chamber.
Fast and complete combustion process.
Reduced combustion pressure variations.
Improved engine efficiency.
Reduced NOx emission level.
Lower voltage requirement for the spark ignition.
High durability without maintenance.
Better engine performance due to lower wear rates.
Pre-chamber spark plug 71.018-02 to replace Guascor 76.64.604 / 7664604
Spark Plugs Replacement Guide
|REF||HOURS||REFERENCE DOCUMENT||HOURS||REFERENCE DOCUMENT||HOURS||REFERENCE DOCUMENT|
|FG/ FGLD natural gas||76.64.291||1250||IO-G-M-00-073||1000||IO-G-M-00-074|
|FG/ FGLD biogas (*)||76.64.292||1250||IO-G-M-00-073||1000||IO-G-M-00-074|
|SFGLD natural gas||76.64.375||4500||IO-G-M-00-067||3750||IO-G-M-00-065||3000||IO-G-M-00-066|
|SFGLD natural gas ISLAND||76.64.375||7500||IO-G-M-00-057||6000||IO-G-M-00-038||4500||IO-G-M-00-058|
|SFGLD natural gas PRIME||76.64.292||1000||IO-G-M-00-061|
|SFGLD natural gas STAND-BY||76.64.292||1000||IO-G-M-00-019|
|SFGLD biogas (*)||76.64.292||1250||IO-G-M-00-067||1000||IO-G-M-00-065||1000||IO-G-M-00-066|
|SFGLD natural gas LCR 9,3:1||76.64.292||1250||IO-G-M-00-034||1000||IO-G-M-00-024||800||IO-G-M-00-035|
|SFGLD natural gas LCR 8:1||76.64.292||2000||IO-G-M-00-024||1600||IO-G-M-00-035|
|SFGLD syngas (**)||76.64.292||800||IO-G-M-00-042||700||IO-G-M-00-003||600||IO-G-M-00-043|
|SFGRD natural gas||76.64.292||1000||IO-G-M-00-062|
|SFGRD natural gas PRIME||76.64.292||1200||IO-G-M-00-063|
|SFGRD natural gas STAND-BY||76.64.292||1000||IO-G-M-00-064|
|HGM natural gas||76.64.604||3500||IO-G-M-00-072||3500||IO-G-M-00-070||3500||IO-G-M-00-071|
|SFGM natural gas||76.64.685||3000||IO-G-M-00-068||3000||IO-G-M-00-069|
|SFGM natural gas ISLAND||76.64.685||4800||IO-G-M-00-051||4800||IO-G-M-00-059|
In case the engine is operating at variable speed always select your spark plugs in reference with the highest speed range.
(*) In case the variation of the LHV of the utilized biogas exeeds 10 per cent it is recommended to used 76.64.292 (S7664761) spark plugs.
(**) In case of very contaminated gas it is recommended to use 76.64.292 (S 76.64.761) spark plugs.
Verified 2019 January