Carburetor
Zama C1U-K52
Also: C1U K52
3 compatible models
The Zama C1U-K52 is an aftermarket carburetor compatible with 3 models across 1 brand. It is a direct cross-reference for OEM part number 12520005562. Compatible equipment includes Echo SRM-210, Echo SRM-225, Echo SRM-230.
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.
Compatible Models
| Brand | Model | OEM # | Confidence | Source | Reviewed | Evidence | |
|---|---|---|---|---|---|---|---|
| Echo | SRM-210 | 12520005562 | Medium | Aftermarket catalog | 2026-05-20 | Zama C1U-K52; shares carb with SRM-225 and SRM-230 | Trimmer |
| Echo | SRM-225 | 12520005562 | Medium | Aftermarket catalog | 2026-05-20 | Match the carburetor number stamped on the removed unit. | Trimmer |
| Echo | SRM-230 | 12520005562 | Medium | Aftermarket catalog | 2026-05-20 | Zama C1U-K52; shares carb with SRM-225 | Trimmer |
What this part is
Zama C1U-K52 is listed here as a carburetor 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
12520005562
Alternate spellings
C1U-K52, C1U K52
Known exclusions
- Do not assume fitment for other SRM models without checking carb number and linkage.
Dimensions and specs
- No verified dimension field is available for this part. Compare the old part shape, mounting, routing, thread, gap, pitch, gauge, or other part-type-specific dimensions before purchase.
Symptoms that suggest replacement
- Surging
- Won't idle
- Fuel leaking
- Starts only on choke
- No-start after stale fuel storage
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.
- Buying a carburetor with the right bolt spacing but different linkage, choke, primer, or fuel inlet orientation.
Related model and part pages
Related Repair Guides
Echo SRM-225 Won't Start: Spark, Fuel, Carb, and Primer ChecklistA practical no-start checklist for the Echo SRM-225 trimmer, with links to spark plug, fuel filter, primer bulb, and carburetor fitment references.Where to Find the Model Number on Echo TrimmersHow to identify an Echo trimmer model before ordering carburetors, filters, primer bulbs, fuel lines, or trimmer heads.How to Measure Chainsaw Chain Pitch, Gauge, and Drive LinksA model-identification guide for chainsaw chain replacement, explaining why bar length alone is not enough.Echo SRM-225 Tune-Up Parts ListA seasonal SRM-225 tune-up list covering spark plug, air filter, fuel filter, primer bulb, fuel lines, carburetor, and trimmer head checks.
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.