YB35V00049F1 YN35V00049F1 Cylinder Extension Solenoid Valve for Kobelco SK200-8 SK350-8 SK485-8

The YB35V00049F1 / YN35V00049F1 cylinder extension solenoid valve, model KDRDE5K-31/40C50-213, is an aftermarket replacement part for Kobelco excavator electro-hydraulic control applications. It is commonly used for SK200-8, SK210-8, SK350-8 and SK485-8, helping support stable hydraulic response and control performance.

Product Overview

The YB35V00049F1 / YN35V00049F1 cylinder extension solenoid valve, cross reference KDRDE5K-31/40C50-213, is a reliable aftermarket replacement for Kobelco excavator electro-hydraulic control systems. It is commonly used on Kobelco SK200-8, SK210-8, SK350-8 and SK485-8 excavators.

As part of the KDRDE5K valve family, this type of valve is associated with electrically controlled pilot pressure regulation in hydraulic systems. Because public naming for this exact part varies across suppliers, it can also be searched by related terms such as proportional solenoid valve or hydraulic control solenoid valve.

For customers looking for dependable replacement parts for routine maintenance and repair, this valve offers a practical and cost-effective solution. Topvelsun’s site-wide brand message also emphasizes reliable replacement parts, stable quality, responsive service and flexible order quantities, so this wording stays aligned with your overall website style.

Fitment Verification

Please confirm the following information before ordering:
- Machine model and serial number
- Part number: YB35V00049F1 / YN35V00049F1
- Valve model: KDRDE5K-31/40C50-213
- Photos of the old part and connector

Why Choose Topvelsun

Topvelsun supplies excavator spare parts for major brands including Kobelco and positions itself as a source for reliable replacement parts, cost-effective aftermarket parts, stable quality and responsive service. The homepage also highlights over 10 years of export experience, fast delivery from stock in Guangzhou and flexible minimum order quantities.

Inquiry Support

If you are not sure whether this valve matches your machine, please send us your machine model, serial number, original part number or old part photos. Our team can help verify fitment before order confirmation.

FAQ

Q1: What are the part numbers for this solenoid valve?

A1: The main references are YB35V00049F1, YN35V00049F1 and KDRDE5K-31/40C50-213.

Q2: What is this valve used for?

A2: This page presents it as a cylinder extension solenoid valve for Kobelco excavators. Public listings for the same number also describe it more generally as a solenoid valve or proportional solenoid valve, and the KDRDE5K family is officially described by Kawasaki as a proportional pressure-reducing valve used in electrically controlled hydraulic circuits.

Q3: Which Kobelco models can use this valve?

A3: Your page currently lists SK200-8, SK210-8, SK350-8 and SK485-8 as the core applications. Additional models may exist, but they should be verified by part number or old part photos before publication or order confirmation.

Q4: How can I confirm compatibility before ordering?

A4: Please send your machine model, serial number, original part number or photos of the old part and connector for fitment verification.

Q5: Is this an aftermarket replacement part?

A5: Yes. The product is listed under the Topvelsun brand, and Topvelsun’s homepage positions the company around reliable replacement parts and cost-effective aftermarket parts.