Looking for a replacement for the ACDELCO B4021? This spark plug is part of ACDELCO's spark plugs lineup. If the ACDELCO B4021 is unavailable, 1 verified equivalent is available from brands like NGK.
| Distributor | Price | Last Checked | |
|---|---|---|---|
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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.
1 Cross-Reference Equivalent
| Manufacturer | Part Number | Specs |
|---|---|---|
MFGNGK | OB6S | — |