Spark PlugCross Reference
BOSCH HR9BP
Compare interchangeable spark plugs for {brand} {part}. Check heat range, electrode gap, thread size, and reach before substituting — not all cross-referenced plugs perform the same in every engine.
57 matches found
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⚠ Important: Before substituting, confirm: same heat range, matching electrode gap, correct thread reach, and compatible resistor type.
ACCEL
2 matchesACDELCO
4 matchesAUTOLITE
6 matchesBOSCH
5 matchesCHAMPION
15 matches7018(Double-Pt)199 total matchesRV15YC4173 total matchesRV15YC4/T04158 total matches18C2157 total matches18S157 total matchesRV15YC4/053157 total matchesRV15YC4/R02157 total matchesV15MX156 total matchesRV15YC4T1061 total matchesRBL13Y47 total matchesRBL15Y38 total matches801826 total matches302518 total matches3025213 total matchesRV19PMC3 total matches
DENSO
8 matchesDENSO IRIDIUM PN
1 matchesDENSO IRIDIUM STK
1 matchesGM OEM NR
1 matchesMOPAR
1 matchesMTRCRFT PN
3 matchesMTRCRFT STK
1 matchesNGK
7 matchesNGK STK
1 matchesSPLITFIRE
1 matchesFactory Direct
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