Equivalents for the General Motors spark plug 5614221
Meet the General Motors 5614221 spark plug — heat range very hot, reach 15.2–19.0 mm. 191 equivalents listed: interchangeable and compatible spark plugs across all brands — NGK, Bosch, Champion, Denso…
Technical information General Motors 5614221 spark plug
- Resistor
- no
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191 equivalents compatible with the General Motors 5614221 spark plug
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No equivalent for this brand selection.
What can replace a General Motors 5614221 spark plug?
The General Motors 5614221 is interchangeable with: Bosch GI005, Champion CH110, Denso DG143, Bosch GIOO5, Champion CH11O, Champion CH110002. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the General Motors 5614221?
Reach 15.2–19.0 mm, Heat range Very hot, Resistor no, Seat Flat (gasket)
Cross-references and specifications are provided for guidance only. The wrench size can vary by brand, and some data is inferred from the plug code or an equivalent reference. Always check the vehicle manufacturer's recommendation before buying and fitting.