A key that suitable for the ignition/door that fits the CAT
GX-AFTER

A key that suitable for the ignition/door that fits the CAT

Catalog number:SKX1020117D Nr OEM:5P8500 Manufacturer:GX-AFTER
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Ignition / Door / Cap Key suitable for CAT (Universal) - 5P8500

Technical Specification and Compatibility

A universal 5P8500 key by GX-AFTER, designed for most Caterpillar (CAT) construction machines. It is one of the most popular keys in the industry, fitting ignition switches, cab door locks, fuel cap padlocks, and service access panels on a wide range of excavators, loaders, dozers, and other CAT equipment.

Part Number: 5P8500
Type: Universal Key (Ignition, Door, Caps)
Compatibility: Most CAT machines

GX-AFTER is the smart choice for your machine. We provide high-class replacements that combine excellent quality with an attractive price. Each part is carefully verified to ensure full compatibility and reliability you can depend on.

Features of the 5P8500 Key

CAT Universal: One key operates multiple locks on a single machine (ignition, cab, fuel caps), which is standard for CAT machines.
Durable Construction: Made from strong metal, resistant to bending and breaking during daily use.
Precise Cut: Perfect replication of the key profile guarantees smooth lock cylinder operation without jamming.
Essential Spare: A must-have item for every operator – losing the only key means costly machine downtime.

Application in machinery

Brand Machine Type Example Models / Series
Caterpillar (CAT) Mini Excavators 301.5, 301.6, 301.8, 302, 303.5, 304, 305, 305.5, 306, 307, 308, 309, 310
Caterpillar (CAT) Backhoe Loaders 414, 415, 416, 420, 422, 424, 426, 428, 430, 432, 434, 440, 444, 450 (Series E, F, F2)
Caterpillar (CAT) Tracked Excavators 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 335, 336, 340 (and larger)
Caterpillar (CAT) Wheeled Excavators M313, M314, M315, M316, M317, M318, M319, M320, M321, M322, M323
Caterpillar (CAT) Wheel Loaders 901, 902, 903, 906, 907, 908, 910, 914, 916, 918, 920, 924, 926, 928, 930, 938, 950, 960, 962, 966, 970, 972, 980, 982, 988, 990
Caterpillar (CAT) Other Machines Dozers (D series), Graders (M/H series), Articulated Dump Trucks (7xx series), Rollers, Pavers, Skid Steers, Telehandlers (TH), Generators

The model list is for reference. The 5P8500 key has been the industry standard for most CAT machines for decades.

Related Parts and Hardware

If your old key struggles to turn in the lock, consider replacing the ignition switch or the door/cap lock cylinder. Often, the wear is in the lock mechanism itself, not just the key.

⚠️ Safety Warning

Using a heavily worn or bent key can lead to it breaking off inside the ignition or lock. Removing a broken key tip is difficult and often requires replacing the entire component (switch/cap), generating unnecessary costs and downtime.

Part Role in the Machine and Failure Diagnostics

The 5P8500 key is the basic tool for accessing and starting the machine. In most CAT machines, this single key opens the cab doors, engine service panels, fuel cap, and operates the ignition switch. Its universality is a huge advantage for fleet operators.

  • Key sticking in the lock or ignition (sign of key or tumbler wear).
  • Visible bending or cracking of the metal key blade.
  • Key teeth worn smooth.
  • Lost key (most common reason for purchase).

📞 Can't find the part you're looking for?

No worries. Our website features only a few thousand of the over 60,000 parts we have in stock. Contact us – we likely have what you need readily available!

🔧 Expert Guide: Key Installation Tips

  1. Always Have Spares: A key is the most commonly lost item. It's worth having at least 2-3 spares in the office or service truck.
  2. Lubricate Locks: Regularly (especially before winter) use a dedicated lock lubricant (e.g., graphite or Teflon based) on lock cylinders. Do not use standard oil, which attracts dirt.
  3. Gentle Handling: If the key doesn't want to turn, don't force it. Try gently wiggling the steering wheel (if the lock is engaged) or cleaning the lock. Forcing it will snap the key.

Frequently Asked Questions (FAQ)

Does this key fit every CAT machine?

It fits the vast majority of CAT machines produced from the 1970s to today. There might be a few exceptions (e.g., very old machines or specific series with unique locks), but 5P8500 is considered the industry standard for CAT.

Does it also fit the fuel cap?

Yes, on most CAT machines, the same key opens the fuel cap (if it's locking), cab doors, and operates the ignition.

Question mark

Do you have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you select the right part to get your equipment back to work as quickly as possible.

SKX1020117D
5P8500
0.01 kg

Data sheet

SUITABLE FOR
CAT
MACHINE TYPE
ARTICULATED / DUMP TRUCK
ASPHALT PAVER
BACKHOE LOADER
DOZER
EXCAVATOR
GENERATOR
MINIEXCAVATOR
MOTOR GRADER
SKID STEER LOADER
TELESCOPIC HANDLER
TELETRUK
VIBROMAX
WHEELED LOADER
OEM NUMBERS
5P8500

Specific References

MPN
5P8500
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A key that suitable for the ignition/door that fits the CAT

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Manufacturer

  • Serwis Kop Sp. z o.o. Sp. K.
  • Podkarpacka 57a
  • 35-082 Rzeszów
  • Poland
  • [email protected]
  • +48178643100

Responsible person

  • Serwis Kop Sp. z o.o. Sp. K.
  • Podkarpacka 57A
  • 35-082 Rzeszów
  • Poland
  • [email protected]
  • +48178643100
gross price

17.22 zł

net price
14,00 zł
Available in large quantity Temporarily unavailable
14,00 zł
net price

17.22 zł

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    PRODUCT SPECIFICATION
    SUITABLE FOR
    CAT
    MACHINE TYPE
    ARTICULATED / DUMP TRUCK
    ASPHALT PAVER
    BACKHOE LOADER
    DOZER
    EXCAVATOR
    GENERATOR
    MINIEXCAVATOR
    MOTOR GRADER
    SKID STEER LOADER
    TELESCOPIC HANDLER
    TELETRUK
    VIBROMAX
    WHEELED LOADER
    Show more
    OEM NUMBERS
    5P8500

    WE OFFER PRODUCTS OF THE BEST BRANDS

    SERWIS KOP Sp. z o.o. Sp.k.
    ul. Podkarpacka 57A, 35-082 Rzeszów
    NIP: 813-352-97-49 REGON: 180286726

    Opening hours
    Telephone support - Monday - Friday (8:00 AM – 5:00 PM)
    Order pick-up - Monday - Friday (8:00 AM – 4:30 PM)

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