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SKU:
NLT1Q01657
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Carburetor & Air Filter Kit RB-K93 for Echo SRM-225 GT-225 PAS-225
$27.99
In Stock
$27.99
Sale price
$27.99
Regular price
This aftermarket carburetor and air-filter kit replaces Zama RB-K93 and Echo references A021001690, A021001691, and A021001692 for compatible SRM-225, GT-225, PAS-225, PE-225, PPF-225, and SHC-225 equipment.
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
- Echo SRM-225, SRM-225i, SRM-225SB, and SRM-225U
- Echo GT-225, GT-225i, GT-225L, and GT-225SF
- Echo PAS-225 and PE-225
- Echo PPF-225
- Echo SHC-225 and SHC-225S
Product Overview
When a trimmer or attachment powerhead starts only on choke, hesitates when the throttle opens, stalls hot, or will not idle after fresh fuel and basic maintenance, a restricted metering circuit or hardened diaphragm may be responsible. This replacement restores the carburetor assembly on matching Echo 21.2cc platforms.
Echo model suffixes and production revisions matter. Match the original carburetor number, purge-bulb layout, fuel-line ports, throttle and choke levers, and air-cleaner interface.
Key Features & Performance
- Replacement carburetor with matching air-filtration service components
- Covers multiple Echo 225-series handheld tools
- Restores metering where diaphragms or passages are no longer serviceable
- Aftermarket service kit after revision verification
Replaces Part Numbers
- RB-K93
- A021001690
- A021001691
- A021001692
- A21001692 reference
Common Uses
- Repairing choke-only running or throttle hesitation
- Correcting unstable idle after fuel-line and intake checks
- Replacing stiff diaphragms after long storage
- Restoring a damaged purge or metering assembly
Technical Specifications
- Product Type: Two-cycle carburetor and air-filter kit
- Compatible Brand: Echo
- Platform: Select 225-series handheld equipment
- Replacement Type: Aftermarket
Installation & Fitment
- Use fresh correctly mixed two-cycle fuel
- Replace cracked fuel lines and a hardened fuel filter before installation
- Match throttle cable, choke lever, ports, and gasket orientation
- Adjust only to manufacturer procedure and verify safe idle clutch disengagement
Compatibility Notice
Not every 225-series revision uses the same carburetor. Match RB-K93 or a listed Echo reference and compare the complete assembly.
Frequently Asked Questions
Q: Why does the engine run only with choke? A: A lean fuel condition may be present, but air leaks, fuel lines, filter, tank vent, and crankcase sealing also require inspection.
Q: Does this fit every SRM-225? A: Confirm the serial range and original carburetor reference.
Q: Should the fuel lines be replaced too? A: Replace them if they are hard, cracked, loose, or internally degraded.
Part Summary
keywords: Echo SRM-225 carburetor replacement, Zama RB-K93 carburetor, GT-225 fuel system repair, PAS-225 carburetor fit, A021001690 replacement, Echo trimmer choke problem, PE-225 carburetor assembly, aftermarket Echo 225 carburetor
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.