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This is a K13-WYK repair kit for the Walbro WYK series carburetors. This is the only kit that used on these carburetors. Walbro has replaced the D13-WYK, D20-WYK, D21-WYK, K20-WYK, K21-WYK, and K22-WYK with the K13-WYK. If you have a WYK carb, this is the

OEM Walbro K1-WYTA spiral diaphragm kit

Oem Walbro Teflon Fuel Pump Diaphragm sold individually

Replacement Primer Bulb for various Walbro Carburetors

Silicone Orings

Throttle Shaft screws

Velocity Stack W/Screws

7/8" O-Rings

Viton Orings 1 inch

Walbro 90 degree gas inlet fitting

Walbro Carb Primer Bulb Piece

Walbro Carburetor Idle Spring. Fits all wt/wa carburetors

Walbro Carburetor Idle Spring Fits Low Speed Needle wt/wa carburetors

Walbro diaphragm cover.

This carburetor is an EXCELLENT upgrade for many RC airplane, helicopter, car/buggy, and marine applications. The 1027 is identical in every way to the 257 just renamed by Zenoah/Husqvarna Works well on most Zenoah engines and clones. Substantially outperforms the stock WT-644 carburetor on Zenoah G231PUM / G260PUM engines.

WT-644 OEM walbro carburetor

DUB-678 Fuel Line Clips Large (4)

DUB-161 Tank Filter

DUB-611 Large-Scale Fuel Valve Gas

DUB-341 In-Line Fuel Filter Large Scale