A New Spark Plug Is Available for Certain G3500 Engines {1550, 1555}
- Engine
- G3512E (S/N: SSR1-UP; NGS1-UP)
- G3516C (S/N: GSB1-UP; TJB1-UP; GZC1-UP; TJC1-UP; F6D1-UP; F6E1-UP; F6F1-UP; GZZ1-UP)
- G3516E (S/N: F6G1-UP; GAS1-UP; SLY1-UP)
- G3520C (S/N: FZA1-UP; GZA1-UP; HEA1-UP; FZB1-UP; GZB1-UP; HEB1-UP; FZC1-UP; FZE1-UP; FZF1-UP; FZG1-UP; GZL1-UP; GZM1-UP; GZN1-UP; B9P1-UP; RLP1-UP; CWW1-UP; CWY1-UP)
- G3520E (S/N: GZE1-UP; GZG1-UP; GZH1-UP; FZJ1-UP; HAL1-UP; SXY1-UP)
- G3516C (S/N: GSB1-UP; TJB1-UP; GZC1-UP; TJC1-UP; F6D1-UP; F6E1-UP; F6F1-UP; GZZ1-UP)
The new 430-4521 Spark Plug is a direct replacement for the former 359-7744 Spark Plug and is an optional premium replacement for the 346-5123 Spark Plug.
The new spark plug has a new electrode material and internal geometry changes. The new spark plug can improve the replacement intervals.
The new 430-4521 Spark Plug is adaptable to the above engines back to first production.
Caterpillar Information System:
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