20Y5312850, 20Y-53-12850 GLASS KOMATSU

Front Slider Door Glass for Komatsu PC Series Excavators

The 20Y5312850, 20Y-53-12850 GLASS KOMATSU is a model-specific Komatsu excavator cab glass panel used as a front slider door glass on PC Series machines. Public replacement-glass sources consistently identify this part number as a slider-style door glass rather than a fixed windshield panel, and the clearest shared specifications describe it as 2-hole, tempered, green tinted glass.

For heavy equipment owners, this is not just a cosmetic window. A correct slider door glass helps preserve cab visibility, weather protection, operator comfort, and the overall working condition of the excavator. When the original glass is cracked, scratched, or missing, the cab becomes less protective and less professional, especially on machines used in demolition, trenching, loading, quarry work, and general construction. That is why buyers usually search by the exact OEM number, either as 20Y5312850 or 20Y-53-12850, instead of only typing a broad phrase like “Komatsu door glass.” The public market also uses both formats, so including both is important for search performance.

At 3GEN Export, we offer 20Y5312850, 20Y-53-12850 GLASS KOMATSU as an OEM supplier solution for professional buyers who need reliable heavy machinery spare parts. We deliver all over the world in 5 working days, helping contractors, workshops, fleet managers, and resellers reduce downtime when Komatsu cabin glass needs urgent replacement.

What Is 20Y5312850, 20Y-53-12850 GLASS KOMATSU?

The strongest public identification for this part is Excavator Door Front Slider or Upper Door Glass for Komatsu excavators. Safe Harbor Parts lists 20Y-53-12850 as an Excavator Door Front Slider, while Skid Steer Cabs lists the same number as 8 Series Upper Door Glass. These sources agree on the basic function: this is a slider-type glass panel used in the excavator door assembly.

That placement matters because slider glass panels are different from lower door glass, front lower windshield glass, or rear cab window glass. A slider panel must match the cab opening, mounting-hole layout, thickness, and sliding-door geometry. If the shape is wrong, the glass may not sit correctly, may not seal well, or may not operate properly within the door system. This is partly supported by the part being sold as a slider-specific glass panel and partly a practical installation inference.

The product image you shared also supports this identification. It shows a tall, shaped glass panel with a slanted side profile and two mounting holes, which visually matches the geometry expected from a Komatsu door slider glass. That visual observation comes from the image itself, while the functional identification comes from the public listings.

Why This Komatsu Door Glass Matters

Cab glass affects more than appearance. On an excavator, the operator depends on the cab enclosure for visibility, comfort, and protection from dust, wind, rain, mud, and flying particles. A slider door glass is especially useful because it supports both enclosure and controlled ventilation while keeping the cab functional in changing site conditions. This operational explanation is an inference based on the product being a slider-style door glass.

When the 20Y5312850, 20Y-53-12850 GLASS KOMATSU is damaged or missing, several problems can appear at once. Visibility may become less clear. The door area may allow more dust and weather into the cab. The machine may look poorly maintained. And if the replacement does not match the correct dimensions or hole placement, installation quality can suffer. Public seller pages emphasize exact size, hole count, and tempered-glass construction, which shows that correct fit is part of the value of this item.

Replacing the correct slider panel helps restore a cleaner, safer, and more professional operator environment. For workshops and fleet owners, it is also one of the most visible ways to improve the condition of a machine quickly before sending it back to work or offering it for resale.

Technical Details of 20Y5312850, 20Y-53-12850 GLASS KOMATSU

Part Number Formats

This product is actively listed in both of these search-friendly formats:

20Y5312850
20Y-53-12850

Product Type

Public sources identify the item as:

Excavator Door Front Slider
Upper Door Glass
Front Door Slider Glass

Construction and Finish

The clearest overlapping public specifications describe the glass as:

2 holes
Tempered glass
Green tinted
Glass only, without frame, hardware, or seal

Dimensions

The strongest repeated public measurements are:

5 mm thick
770 mm wide
400 mm high

Skid Steer Cabs lists the same product family with an imperial size of 25 inches by 40 inches and a glass weight of 7 lbs, which supports the same general upper-door-glass profile, although seller measurement conventions can vary slightly between product pages.

Weight in KG

The clearest direct weight figure I found is 7 lbs from Skid Steer Cabs. That converts to about 3.18 kg. For a clean product-page value, the best listing weight is:

Recommended product weight: 3.18 kg

Packed shipping weight may be higher depending on export packaging and protective materials.

Compatible KOMATSU Models for 20Y5312850, 20Y-53-12850 GLASS KOMATSU

Public sources connect this part with a wide range of Komatsu PC Series excavators. The clearest repeated fitment references include PC130-8, PC200-8, PC220-8, PC270-8, PC300-8, PC350LC-8, PC400-8, PC400LC-8, and PC450LC-8, along with multiple Dash 10 and Dash 11 variants in seller fitment lists.

Based on the public model references available, the most useful customer-facing list is:

Commonly Referenced Komatsu Models

PC130-8
PC130LC-10
PC160LC-10
PC170LC-10
PC200-8
PC200LC-8
PC210-8K
PC210LC-8K
PC210LC-10
PC210LC-11
PC220-8
PC220LC-8
PC240LC-8K
PC240LC-10
PC240LC-11
PC270-8
PC290LC-8K
PC290LC-10
PC290LC-11
PC300-8
PC300LC-8
PC340LC-10
PC350LC-8
PC360LC-11
PC390LC
PC400-8
PC400LC-8
PC450LC-8
PC490LC-11

Important Fitment Note

Final compatibility should always be confirmed by exact part number, machine model, and cab configuration before order. Public glass suppliers provide broad fitment lists, but cab glass can vary by series, market version, and door configuration. The safest fitment check remains the OEM part number 20Y-53-12850 itself.

Product Design and Working Characteristics

The shape of this panel is one of its most important features. Unlike a flat universal pane, a Komatsu slider door glass must match the door opening closely. The slanted side edge, upper contour, and two-hole layout all exist for fitment reasons, not just appearance. Public seller pages repeatedly call out the hole count and measurements, which supports the importance of exact shape and positioning.

The tempered construction is also significant. Tempered glass is widely used in heavy equipment cab applications because it is better suited to vibration, outdoor service, and jobsite handling than ordinary untreated glass. The green tint helps control glare while keeping visibility practical in daylight work conditions. These material traits are directly supported by the public specifications.

For a buyer, the real value of this part is that it is specific. It is not a cut-to-size substitute. It is an OEM-numbered replacement glass part designed for the correct Komatsu door-slider application, which is exactly what workshops and fleet operators need when they want a cleaner installation and fewer fitment problems.

Key Benefits of 20Y5312850, 20Y-53-12850 GLASS KOMATSU

Restores front slider door function

Because the part is sold specifically as a front slider glass, it helps bring the door-glass section back to proper working condition.

Supports visibility and operator comfort

Tinted tempered glass is more suitable for construction use and helps create a better operator environment.

Helps protect the cab interior

A correctly fitted slider panel helps reduce exposure to dust, wind, and weather. This is an operational inference based on the function of door glass.

Strong search visibility with both OEM formats

Public sources consistently use both 20Y5312850 and 20Y-53-12850, so including both improves discoverability.

Common Reasons for Replacement

Typical reasons buyers replace this part include cracked glass, scratched visibility areas, broken slider sections, missing door glass, and cab refurbishment work. These reasons are not listed as a single factory statement, but they are practical inferences from the product being actively sold as a replacement excavator door glass by multiple specialist suppliers.

Another common reason is freight or jobsite damage. Glass parts often need replacement after impact during transport, storage, or machine operation. That is also a reasonable inference from the nature of the product and the fact that it is widely listed by replacement-glass sellers.

Why Buy from 3GEN Export?

At 3GEN Export, we position 20Y5312850, 20Y-53-12850 GLASS KOMATSU as an OEM supplier solution for Komatsu excavator cab restoration and maintenance. Your requested store message emphasizes worldwide delivery in 5 working days, which is especially valuable when a machine is waiting on a cab-glass repair.

This part fits naturally into a heavy-machinery spare parts marketplace because it is a machine-specific cab glass panel, not a generic hardware item. Buyers looking for this number usually want exact fit, safe handling, and fast supply, which is why exact-number SEO matters so much for a page like this.

SEO Strategy for This Product Page

To keep keyword density between 1% and 2%, the page should combine the main keyword with related phrases instead of repeating one exact string too often.

Useful supporting terms include:

20Y5312850
20Y-53-12850
Komatsu front slider glass
Komatsu upper door glass
Komatsu excavator door glass
PC200-8 upper door glass
PC220-8 front slider glass
PC400LC-8 cab door glass
Komatsu PC Series cab glass

Final Summary

The 20Y5312850, 20Y-53-12850 GLASS KOMATSU is a Komatsu excavator front slider door glass used on multiple PC Series machines. Public supplier listings consistently identify it as a slider-type upper door glass with 2 holes, 5 mm thickness, 770 mm width, 400 mm height, and green tinted tempered construction. The strongest public fitment references include machines such as PC130-8, PC200-8, PC220-8, PC270-8, PC300-8, PC400-8, and PC450LC-8, along with several Dash 10 and Dash 11 models depending on cab configuration.

For your website, this product should be positioned as a model-specific Komatsu slider door glass that restores door function, supports cab protection, and improves machine presentation. At 3GEN Export, we supply this part as an OEM supplier and deliver all over the world in 5 working days.

Weight in KG

Recommended listing weight: 3.18 kg based on the public product listing showing 7 lbs. Packed export weight may be higher depending on protective packaging.

Manufactured in Turkey, these products are made using the latest technologies and built to meet the highest international standards. Each machine is a high-quality copy of the original, ensuring durability, precision, and performance that you can rely on for modern construction and metalworking projects.