About this product
📘 Overview
Komatsu door glass replacement — upper Rear Door Glass — the Komatsu replacement for OEM 20Y-54-35831. It covers 24 published Komatsu models, listed in full further down this page. The pane installs into the original cab frame using the factory glazing seal and retaining hardware, so no cab modification is required. Sold as a komatsu door glass replacement and listed as a komatsu door glass replacement, it is matched to the OEM number rather than offered as a universal fit.
⚙ Key Features of the Komatsu PC100-6 Upper Rear Door Glass
- Direct interchange with OEM 20Y-54-35831 — same mounting points and same fit as the original Komatsu part
- One part number across 24 models spanning Komatsu machines — one spare covers a mixed fleet
- Packed for medium flat pack — the shipping method Depco specifies for this part
- A true excavator upper rear door glass — the komatsu upper rear door glass is dimensioned from the original Komatsu part, not adapted from a similar one
🔑 Why Fit the OEM 20Y-54-35831 Upper Rear Door Glass Replacement
- Restores the original sightline — cracked cab glass is a visibility and pre-start inspection failure, not a cosmetic problem
- Aftermarket pricing against a dealer pane with the identical cut and the identical mounting method
- One number covers 24 machines — a yard running mixed Komatsu models stocks one spare rather than several
- Ordering a komatsu excavator by OEM number removes the guesswork — the upper rear door glass replacement fitment on this page is published, not inferred
📊 Komatsu door glass replacement Specifications — OEM 20Y-54-35831
Specification Value OEM part number 20Y-54-35831 Depco part number D20Y-54-35831 Part type Upper Rear Door Glass Glass Length 25" Box Glass Width 1" Glass Height 40" Machine class Excavator Models covered 24 Installation Original cab frame, factory glazing seal Shipping method Medium Flat Pack🚜 Which Komatsu Models Take the OEM 20Y-54-35831 Upper Rear Door Glass?
This is a machine-specific replacement part matched to OEM 20Y-54-35831, not a universal fit. Fitment follows the published model list below:
Machine group Models Komatsu machines PC100-6, PC120-6, PC130-6, PC150-6K, PC160-6K, PC180LC-6K, PC200-6, PC210-6, PC220-6, PC230-6, PC240-6K, PC250-6, PC300-6, PC340-6K, PC350-6, PC380LC-6K, PC400-6, PC450-6, PC600-6, PC750-6, PC800-6, PW130-6K, PW150ES-6K, PW170ES-6KThe table above lists every model this part covers; check yours, and the serial-number range, before ordering. If your model is not listed, email support@eskidsteer.com or message us on chat with the machine model and serial number. Everything needed to confirm fitment is on this page — add it to your cart to check delivered pricing for your address.
🔗 Parts Often Bought With the 20Y-54-35831 Upper Rear Door Glass
The parts below sit alongside this upper rear door glass in the same repair: opposite sides, kit components, and matching fitment:
Part OEM number Why it is listed here Komatsu Excavator Front Upper Windshield Glass for PC100-6, PC200-6, PC300-6 OEM 20Y-54-38122 fits the same machines Komatsu Excavator Front Lower Glass for Dash 6 Series OEM 20Y-54-36113 fits the same machines Komatsu Excavator Boomsider Window for PC100-6, PC120-6, PC130-6, PC200-6, PC300-6 OEM 20Y-54-35132 fits the same machines Komatsu Upper Right Door Glass for PC400-6Z, PC450LC-6K, PC300LC-6 OEM 20Y-54-35821 the same part for other modelsBefore you sign for a freight delivery: inspect the glass while the driver is still on site and note any damage on the delivery receipt before signing the Bill of Lading. Once a clean BOL is signed, a carrier damage claim can no longer be filed.
❓ OEM 20Y-54-35831 Upper Rear Door Glass Questions, Answered
Is this an exact replacement for Komatsu OEM 20Y-54-35831?
Yes. The Depco D20Y-54-35831 is a direct interchange for OEM 20Y-54-35831 and fits the original mounting position without modification.
Will the 20Y-54-35831 part fit a PC100-6 and a PW170ES-6K?
Yes. Both the PC100-6 and the PW170ES-6K are on the published fitment list for OEM 20Y-54-35831, along with 22 other models shown in the compatibility table on this page.
Do I need new seals to fit the 20Y-54-35831 glass?
No. The existing seal and retainers carry the new pane. A fresh glazing strip is needed only where the old one is split or perished.
How does the Komatsu Upper Rear Door Glass ship?
Komatsu Excavator Upper Rear Door Glass travels on a pallet by LTL freight. Your shipping cost is worked out at checkout from the delivery address, with lift gate available as an option.
Description supplied by eSkidSteer through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.
