Equivalents for the Bosch spark plug KEGA121
Bosch KEGA121, a spark plug featuring heat range hot, reach 15.2–19.0 mm. Find its 170 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
Technical information Bosch KEGA121 spark plug
- Resistor
- no
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What can replace a Bosch KEGA121 spark plug?
The Bosch KEGA121 is interchangeable with: Bosch GA133, Champion CH16, Denso DG128, Bosch GA135, Bosch GA1351, Bosch KEGA135. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Bosch KEGA121?
Reach 15.2–19.0 mm, Heat range 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.