Category: Electrical Parts

Preheat Relay

Name: Preheat Relay
Brand: Kobelco
SKU: VH88630E0200/VHS286201420

Electrical Parts

Genuine Preheat Relay for Kobelco & Hino excavators. Part Number VH88630E0200/VHS286201420. Genuine Preheat Relay part VH88630E0200/VHS286201420 for 620, 630, J05. Original Kobelco/Hino/Mitsubishi components for excavators. Category: Electrical Parts. Supplied by Shenyue Machinery — trusted global excavator parts supplier since 2007.

Compatible with 620, 630, J05, J08. 11 units currently in our Guangzhou warehouse — ready to ship worldwide.

This genuine

Part Number	`VH88630E0200/VHS286201420`
Compatible Models	620, 630, J05, J08
Category	Electrical Parts
Stock Status	In Stock — 11 units
Location	-
Brand	Shenyue / Kobelco Original

fits Kobelco excavator series including Preheat Relay. As an independent Kobelco parts specialist — not an authorized dealer — Corbay supplies genuine parts via original supply channels together with quality replacement alternatives, exporting OEM and OEM-quality 620, 630, J05, J08 to 30+ countries. Order today — typical lead time 3–5 business days by DHL/FedEx.

electrical parts

Back to Catalog

About the Preheat Relay (VH88630E0200/VHS286201420) — Kobelco SK Series Compatibility

The Preheat Relay (part number VH88630E0200/VHS286201420) is a genuine Kobelco excavator component in the Electrical Parts family. It is engineered for use with Kobelco SK-series excavators including 620, 630, J05, J08. Common fitments on the production line include models in the SK130 / SK200 / SK250 / SK260 / SK330 / SK350 / SK480 range, as well as similarly numbered machines operated across Southeast Asia, the Middle East, Africa, and Latin America.

Each unit is sourced through our original supply channels and inspected before shipping. We carry OEM, OEM-quality, and high-grade aftermarket equivalents — clearly labeled on every quote. Most SK and SR series Kobelco excavators operating between 6 and 35 metric tons can rely on this electrical parts for routine service and major repair work.

Searches commonly associated with VH88630E0200/VHS286201420: "VH88630E0200/VHS286201420 electrical parts", "Electrical Parts Kobelco", "electrical parts excavator part VH88630E0200/VHS286201420", "Kobelco electrical parts for SK200-8 SK250-8 SK330-8", "genuine Kobelco electrical parts", "electrical parts wholesale", "Corbay Preheat Relay".

Customers who need Preheat Relay typically also browse compatible parts such as gaskets, seals, injectors, O-rings, bushings, filters, and sensors within the same electrical parts category. Send us your machine serial number and we will match compatible parts from over 100,000+ Kobelco SK-series part numbers available to order.

Technical & Fitment Guide — Preheat Relay (VH88630E0200/VHS286201420)

Part Number & Interchange Reference

2 numbers identify this Preheat Relay: VH88630E0200 / VHS286201420. Quote any one of them.

Electrical references are superseded when the connector or calibration changes, so the number must match the harness.

Fitment by Machine

620 — engine or assembly code 620 appearing on the original Kobelco parts list. We cross-check this code against your machine serial before shipping. We also catalog ECU Speed Sensor (VAMC849577) for this machine.
630 — engine or assembly code 630 appearing on the original Kobelco parts list. We cross-check this code against your machine serial before shipping. Common companion references on this model: Oil Press Sensor (VH83530E0220CT), Oil Temperature Sensor (VH1797300020CT), Level Warning Switch Sensor (VH87469E0010).
J05 — Hino J05E, 4-cylinder 5.1 L common-rail diesel. Used in Kobelco SK200-8 / SK250-8 / SK260-8 class machines (20-26 t). Buyers running this model usually order Oil Press Sensor (VH83530E0220CT), Oil Temperature Sensor (VH1797300020CT), Level Warning Switch Sensor (VH87469E0010) in the same shipment.
J08 — Hino J08E, 6-cylinder 7.7 L common-rail diesel. Used in Kobelco SK330-8 / SK350-8 / SK380-8 class machines (33-38 t). Parts we hold alongside it for this machine: Oil Press Sensor (VH83530E0220CT), Oil Temperature Sensor (VH1797300020CT), Level Warning Switch Sensor (VH87469E0010).

Service & Diagnostics Guide

The Preheat Relay on the 620. Switches the high current required by the intake heater or glow plugs during cold starting.

What failure looks like. Hard starting when cold, no preheat indication, or a relay that chatters and drops out.

Installing VH88630E0200. Test the control signal and the main contact separately. Check the heavy cable terminals for corrosion and tightness.

Buying Notes

Stock. 11 units of Preheat Relay (VH88630E0200) in the Guangzhou warehouse. Confirm availability when you enquire — stock moves daily.

Supply type. Genuine, OEM-quality or high-grade aftermarket can normally be quoted for this Preheat Relay; the type is stated on each quotation line. Corbay is an independent supplier and not an authorised Kobelco dealer.

Fitment. Listed for 620, 630, J05, J08. Send the model and serial number and we confirm the variant before shipment.

Freight. Electrical items ship with anti-static wrapping and capped connector pins. Lead time 3–5 business days once confirmed. Often shipped with Oil Press Sensor (VH83530E0220CT) and Oil Temperature Sensor (VH1797300020CT).