Spark Plug
Champion CJ8Y
16 associated model records
The Champion CJ8Y is listed as an aftermarket spark plug in 16 model records across 1 brand. Those records reference OEM part number 90023Y. Associated equipment records include Echo CS-310, Echo CS-330T, Echo CS-352, Echo CS-355T, Echo CS-400, and 11 more. 1 record includes an assigned confidence, source type, and review date.
Verify before ordering: Fitment can vary by serial number, production date, region, and sub-model. Match the OEM number and physical dimensions before ordering.
Amazon Buying Check
Use the Amazon listing to compare kit contents, seller details, shipping, and OEM compatibility notes before ordering.
Some links may be affiliate links. Match the OEM number, dimensions, and model variant before buying.
Model Records
| Brand | Model | OEM # | Confidence | Source | Reviewed | Evidence | |
|---|---|---|---|---|---|---|---|
| Echo | CS-310 | 90023Y | Confidence not assigned | Evidence source not recorded | Not yet independently reviewed | 0.6mm gap | Chainsaw |
| Echo | CS-330T | 90023Y | Confidence not assigned | Evidence source not recorded | Not yet independently reviewed | 0.6mm gap | Chainsaw |
| Echo | CS-352 | 90023Y | Confidence not assigned | Evidence source not recorded | Not yet independently reviewed | 0.6mm gap | Chainsaw |
| Echo | CS-355T | 90023Y | Confidence not assigned | Evidence source not recorded | Not yet independently reviewed | 0.6mm gap | Chainsaw |
| Echo | CS-400 | 90023Y | Confidence not assigned | Evidence source not recorded | Not yet independently reviewed | 0.6mm gap | Chainsaw |
| Echo | CS-440 | 90023Y | Confidence not assigned | Evidence source not recorded | Not yet independently reviewed | 0.6mm gap | Chainsaw |
| Echo | CS-500P | 90023Y | Confidence not assigned | Evidence source not recorded | Not yet independently reviewed | 0.6mm gap | Chainsaw |
| Echo | CS-590 Timber Wolf | 90023Y | Confidence not assigned | Evidence source not recorded | Not yet independently reviewed | 0.6mm gap | Chainsaw |
| Echo | PB-250LN | 90023Y | Confidence not assigned | Evidence source not recorded | Not yet independently reviewed | 0.6mm gap | Handheld Blower |
| Echo | PB-580T | 90023Y | Confidence not assigned | Evidence source not recorded | Not yet independently reviewed | 0.6mm gap | Backpack Blower |
| Echo | SRM-210 | 90023Y | Confidence not assigned | Evidence source not recorded | Not yet independently reviewed | 0.6mm gap | Trimmer |
| Echo | SRM-225 | 90023Y | Medium | Aftermarket catalog | 2026-05-20 | 0.6mm plug gap | Trimmer |
| Echo | SRM-230 | 90023Y | Confidence not assigned | Evidence source not recorded | Not yet independently reviewed | 0.6mm gap | Trimmer |
| Echo | SRM-266 | 90023Y | Confidence not assigned | Evidence source not recorded | Not yet independently reviewed | 0.6mm gap | Trimmer |
| Echo | SRM-280 | 90023Y | Confidence not assigned | Evidence source not recorded | Not yet independently reviewed | 0.6mm gap | Trimmer |
| Echo | SRM-310 | 90023Y | Confidence not assigned | Evidence source not recorded | Not yet independently reviewed | 0.6mm gap | Trimmer |
What this part is
Champion CJ8Y is listed here as a spark plug replacement option. Use this page as a fitment cross-reference, then confirm the removed part, model plate, and seller listing details before buying.
OEM numbers it replaces
90023Y
Alternate spellings
CJ8Y is the normalized part number used on this site.
Known exclusions
- No specific exclusion is listed in the current data. Still verify serial range, production variant, and removed-part details before ordering.
Dimensions and specs
- 0.6mm gap
- 0.6mm plug gap
Symptoms that suggest replacement
- Won't start
- Hard hot restart
- Rough idle
- Fuel-fouled or carbon-heavy plug
How to verify before buying
- Confirm your equipment is one of the compatible models listed above.
- Match the OEM number, stamped part number, or physical spec against the removed part.
- Read the model-specific evidence, confidence, source, reviewed date, dimensions, notes, and exclusions before opening an Amazon listing.
Common wrong-fit mistakes
- Ordering from a broad model-family listing without checking the exact equipment model.
- Ignoring the old OEM number, stamped part number, or physical dimensions.
- Matching the plug number but missing the required gap, terminal style, or thread reach.
Related model and part pages
Echo CS-310 spark plugEcho CS-330T spark plugEcho CS-352 spark plugEcho CS-355T spark plugEcho CS-400 spark plugEcho CS-440 spark plugEcho CS-500P spark plugEcho CS-590 Timber Wolf spark plugChampion RC12YC spark plugNGK BPR5ES spark plugNGK BPM8Y spark plugNGK BPMR8Y spark plugChampion RS12YC spark plugNGK BPR6ES spark plug
Amazon buying cautions
- Check that the Amazon listing includes the exact part number or verified cross-reference shown here.
- Compare kit contents, gaskets, fuel lines, bulbs, plugs, filters, and dimensions against the removed part before checkout.
- A listing title can mention the right model and still include the wrong revision, accessory, or generic substitute.