04221-U2030-71 LPG Regulator Repair Kit for Vaporizer/Converter Systems Compatible with 4Y, K15, K21, K25 Engines

This aftermarket regulator valve repair kit is designed to service LPG vaporizer/converter systems commonly found in industrial forklifts powered by 4Y, K15, K21, and K25 engines. It replaces OEM part number 04221-U2030-71 and its variants (04221-U2030, 04221U2030, etc.) and includes the internal components required to rebuild the regulator: diaphragms, gaskets, o-rings, and valve springs. This kit helps restore correct fuel vapor regulation, resolving issues like rough idling, stalling, or poor cold starts in LPG-powered lift trucks. Built from fuel-grade materials and resistant to heat and vibration, it’s ideal for routine maintenance or regulator failure recovery. This is an aftermarket replacement part. It is not manufactured by or affiliated with any original equipment brand. OEM part numbers are provided for reference only.

• Engine Compatibility – Suitable for internal combustion forklifts equipped with 4Y, K15, K21, and K25 4-cylinder engines using LPG fuel systems with dual-stage converters. OEM Reference Numbers (for identification only) – Replaces: 04221-U2030-71, 04221-U2030, 04221U203071, 04221U2030.
• Personalized service: We understand that every customer has unique needs and preferences. That’s why we take the time to get to know you and your equipment, so we can provide personalized recommendations that meet your specific requirements, making sure this is the right product for you.
• D Mart Parts manufacture aftermarket High Quality products. We stand behind our products and offer a 100% satisfaction guarantee. If you are not completely satisfied with your purchase, we will do everything in our power to make it right.