| Obsolete WT Model | Direct Replacement WT Model | Equivalent in WA/WYL | OEM Application Example | |-------------------|-----------------------------|----------------------|--------------------------| | WT-194 | WT-215 | WA-167 | Stihl 026 Pro | | WT-205 | WT-215 | WYL-1 | Stihl MS260 | | WT-99 | WT-112 | WA-76 | Husqvarna 55 | | WT-118 | WT-215 | none | Echo CS-440 | | WT-110 | WT-199 | none | Homelite XL-12 |
If the bolt spacing is 32mm center-to-center and bore is 14.5mm, any WT with matching throttle linkage cam will work. You may need to swap the metering lever height (1.3mm below carb body for most). 4. Correspondence Between Diaphragm and Float Type | Diaphragm Model | Float Model Equivalent | Conversion Kit Needed | |----------------|------------------------|------------------------| | WT-215 | WB-3A | Adapter block + longer bolts | | WA-167 | WB-27 | Pulse hose relocation kit | | HDA-199 | HS-262 | None (same body, different bowl) | tableau correspondance carburateur walbro
| Component | WT Series | WA Series | WYL Series | WB Series | |------------|-----------|-----------|------------|-----------| | Main jet thread | 5mm x 0.5 | 5mm x 0.5 | 5mm x 0.8 | 6mm x 0.75 | | Idle jet thread | 3.5mm x 0.6 | 3.5mm x 0.6 | 3.5mm x 0.6 | None (fixed) | | Nozzle type | Press-fit D10 | Screw-in D6 | Press-fit D10 | Screw-in D8 | | Obsolete WT Model | Direct Replacement WT
A WT-215 main jet (#110) will fit a WA-167 but not a WYL-1 (different thread pitch). 7. Gasket and Diaphragm Correspondence Walbro uses two main diaphragm kits: Correspondence Between Diaphragm and Float Type | Diaphragm
| OEM Brand | OEM Part Number | Corresponding Walbro Model | |-----------|----------------|-----------------------------| | Stihl | 1121 120 0600 | WT-215 | | Stihl | 1128 120 0601 | WYL-1 | | Husqvarna | 503 90 87-02 | HDA-199 | | Husqvarna | 501 82 93-01 | WT-112 | | Echo | 14510042330 | WYJ-2 | | Echo | 14510042331 | WT-118 | | McCulloch | 953-020-001 | WA-76 | | Homelite | 694208 | WT-99 |
If you see a carb with “HDA” cast into the body, search for “Walbro HDA” + your OEM number online. 6. Jet and Nozzle Correspondence When swapping between families, jets and nozzles may be reused: