About this product
📘 Overview
Komatsu excavator door glass replacement — lower Door Glass — the Komatsu replacement for OEM 20Y-54-35721. It covers 47 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 excavator door glass replacement and listed as a komatsu excavator door glass replacement, it is matched to the OEM number rather than offered as a universal fit.
⚙ Key Features of the Komatsu PC400-6Z Lower Door Glass
- Direct interchange with OEM 20Y-54-35721 — same mounting points and same fit as the original Komatsu part
- One part number across 47 models spanning Komatsu excavators — one spare covers a mixed fleet
- Packed for medium flat pack — the shipping method Depco specifies for this part
- A true excavator lower door glass — the komatsu lower door glass is dimensioned from the original Komatsu part, not adapted from a similar one
🔑 Why Fit the OEM 20Y-54-35721 Lower 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 47 machines — a yard running mixed Komatsu models stocks one spare rather than several
- Ordering a komatsu excavator by OEM number removes the guesswork — the lower door glass replacement fitment on this page is published, not inferred
📊 Komatsu excavator door glass replacement Specifications — OEM 20Y-54-35721
Specification Value OEM part number 20Y-54-35721 Depco part number D20Y-54-35721 Part type Lower Door Glass Glass Length 25" Box Glass Width 1" Glass Height 40" Machine class Excavator Models covered 47 Installation Original cab frame, factory glazing seal Shipping method Medium Flat Pack🚜 Which Komatsu Models Take the OEM 20Y-54-35721 Lower Door Glass?
This is a machine-specific replacement part matched to OEM 20Y-54-35721, not a universal fit. Fitment follows the published model list below:
Machine group Models Komatsu excavators PC400-6Z, PC450LC-6K, PC300LC-6, PC210-6K, PC120-6, PC100-6, PW150ES-6K, PW130-6K, PW170ES-6K, PC300-6, PC160-6K, PW130ES-6K, PC340-6K, PC200-6, PC180LC-6K, PC240LC-6K, PC240NLC-6K, PC220LC-6, PC250-6, PC250LC-6, PC210LC-6K, PC120LC-6, PC120LC, PC130-6, PC200LC-6, PC200LC-6H, PC200LC-6Z, PC220-6, PC220-6Z, PC600LC-6, PC600LC-6A, PC340LC-6K, PC150LC-6K, PC220LC-6Z, PC400LC-6, PC270LC-6, PC200-6S, PC200LC-6S, PC290NLC-6K, PC130-6K, PC1100LC-6, PC340NLC-6K, PC450-6K, PC250LC-6LC, PC250LC-6LE, PC200EN-6K, PC750-6Confirm both your model and your serial-number range against the list above 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-54-35721 Lower Door Glass
Also stocked for the same machines as this lower door glass:
Part OEM number Why it is listed here Komatsu Excavator Boomsider Window for PC100-6, PC120-6, PC130-6, PC200-6, PC300-6 OEM 20Y-54-35132 fits the same machines 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 Upper Right Door Glass for PC400-6Z, PC450LC-6K, PC300LC-6 OEM 20Y-54-35821 the same part for other modelsCheck the glass before the driver leaves: any breakage must be written on the delivery receipt at the moment of delivery. A Bill of Lading signed clean closes the carrier claim window for good.
❓ OEM 20Y-54-35721 Lower Door Glass Questions, Answered
Is this an exact replacement for Komatsu OEM 20Y-54-35721?
Yes. The Depco D20Y-54-35721 is a direct interchange for OEM 20Y-54-35721 and fits the original mounting position without modification.
Will the 20Y-54-35721 part fit a PC400-6Z and a PC750-6?
Yes. Both the PC400-6Z and the PC750-6 are on the published fitment list for OEM 20Y-54-35721, along with 45 other models shown in the compatibility table on this page.
Do I need new seals to fit the 20Y-54-35721 glass?
No. The lower door glass installs into the original cab frame using the factory seal and retaining hardware. Replace the glazing strip only if it is perished or torn.
How does the Komatsu Lower Door Glass ship?
This item moves as LTL truck freight. The shipping charge appears at checkout once your address is entered, and lift gate service is selectable at the same point.
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.
