Looking for a replacement for the BOSCH 4203? This spark plug is part of BOSCH's spark plugs lineup. If the BOSCH 4203 is unavailable, 12 verified equivalents are available from brands like ACDELCO, AUTOLITE, BOSCH.
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Specifications
Specifications are still being gathered for this part. Check back soon.
Looking for detailed specs? Try a cross-reference equivalent below — they may have more information.Looking for detailed specs? Check the cross-reference equivalents — they may have more information.