About this product
📘 Overview
Komatsu dozer door glass replacement — left Hand Door Glass — the Komatsu replacement for OEM 12Y-978-1362. It covers 3 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 dozer door glass replacement and listed as a komatsu dozer door glass replacement, it is matched to the OEM number rather than offered as a universal fit.
⚙ Key Features of the Komatsu D12Y Left Hand Door Glass
- Direct interchange with OEM 12Y-978-1362 — same mounting points and same fit as the original Komatsu part
- One part number across 3 models spanning Komatsu dozers — one spare covers a mixed fleet
- Packed for crate — the shipping method Depco specifies for this part
- A true dozer left hand door glass — the komatsu left hand door glass is dimensioned from the original Komatsu part, not adapted from a similar one
🔑 Why Fit the OEM 12Y-978-1362 Left Hand 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
- Ordering a komatsu dozer by OEM number removes the guesswork — the left hand door glass replacement fitment on this page is published, not inferred
📊 Komatsu dozer door glass replacement Specifications — OEM 12Y-978-1362
Specification Value OEM part number 12Y-978-1362 Depco part number D12Y-978-1362 Part type Left Hand Door Glass Glass Length 28.5" Box Glass Width 16" Glass Height 56.5" Machine class Dozer Models covered 3 Installation Original cab frame, factory glazing seal Shipping method CRATE🚜 Which Komatsu Models Take the OEM 12Y-978-1362 Left Hand Door Glass?
This is a machine-specific replacement part matched to OEM 12Y-978-1362, not a universal fit. Fitment follows the published model list below:
Machine group Models Komatsu dozers D12Y, 978, 3930Look for your model in the table above and confirm the serial-number range before you order. 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 12Y-978-1362 Left Hand Door Glass
Stocked alongside this left hand door glass for the same komatsu repair — opposite sides, kit components and shared fitment:
Part OEM number Why it is listed here Komatsu Dozer Right-Hand Door Glass for 12Y-978-3940 OEM 12Y-978-3940 the opposite-hand part Komatsu Dozer Right-Hand Door Glass OEM 12Y-978-1372 the opposite-hand part Komatsu Dozer Left Door Glass for D61PXI-23, D61PX-23, D61EX-23 OEM 12Y-54-37271 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 12Y-978-1362 Left Hand Door Glass Questions, Answered
Is this an exact replacement for Komatsu OEM 12Y-978-1362?
Yes. The Depco D12Y-978-1362 is a direct interchange for OEM 12Y-978-1362 and fits the original mounting position without modification.
Will the 12Y-978-1362 part fit a D12Y and a 3930?
Yes. Both the D12Y and the 3930 are on the published fitment list for OEM 12Y-978-1362, along with 1 other models shown in the compatibility table on this page.
Do I need new seals to fit the 12Y-978-1362 glass?
No new seals are required. The pane sits in the existing glazing strip and retainers; renew the strip only if it has gone hard.
How does the Komatsu Left Hand Door Glass ship?
This goes out as LTL truck freight rather than parcel. Checkout calculates the cost from your address, and residential deliveries can add a lift gate there.
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.
