Ignition switch suitable for CAT machines
GX-AFTER

Ignition switch suitable for CAT machines

Catalog number:SKX1043594A Nr OEM:9G7641 Manufacturer:GX-AFTER
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Ignition Switch (3-position) suitable for CAT 428 320 D6 - 9G7641

Technical Specification and Compatibility

High-quality 9G7641 ignition switch (start switch) by GX-AFTER. It is a universal, 3-position switch dedicated to a huge range of Caterpillar (CAT) construction machinery. Made of durable Zinc Alloy, adapted to work in temperatures from -40°C to +80°C. The set includes the switch and two keys.

Part Number: 9G7641
Component Type: Ignition Switch
Operating Voltage: 12V / 24V
Positions: 3 (OFF, ON, START)
Terminal Functions: BAT, START, ACC, RELAY
Body Material: Zinc Alloy
Total Length: 73.6 mm
Mounting Diameter: 47.8 mm
Manufacturer: GX-AFTER

GX-AFTER is a solid choice for heavy equipment. The switch features an anti-restart lock function, protecting the starter from damage, and a return spring from the START position.

Features of GX-AFTER 9G7641 Switch

Extreme Durability: Zinc alloy body and temperature operating range from -40°C to 80°C make the switch work reliably in arctic frost and desert heat.
CAT Versatility: Fits hundreds of Caterpillar machine models, from 428 backhoes, through 320 excavators, to D6 dozers and 777 trucks.
Safety: The key can only be removed in the "OFF" position, preventing accidental ignition on and battery drain.
High Quality Contacts: Solid screw terminals on the rear (color/label coded) ensure a secure electrical connection and easy installation.

Application in CAT machinery (Examples)

Machine Group Series / Models
Backhoe Loaders 416, 426, 428, 432, 436, 438, 442, 444 (B, C, D, E Series)
Crawler Excavators 312, 315, 318, 320, 322, 325, 330, 345, 365, 385 (B, C, D, L, LN Series)
Bulldozers D3, D4, D5, D6, D7, D8, D9, D10, D11 (C, G, H, N, R Series)
Wheel Loaders 910, 924, 928, 936, 950, 962, 966, 972, 980, 988, 990, 992, 994
Other Wheeled Excavators (M315, M318), Dumpers (769, 777, 785, 793), Graders, Rollers, Scrapers

The switch is very universal. Fits most older and mid-year CAT machines with a traditional key.

Related Parts and Hardware

The set includes two keys. When replacing the switch, it is worth checking the condition of ring terminals on the wires to ensure solid contact and avoid connection heating.

⚠️ Safety Warning

A faulty ignition switch can cause machine shutdown issues or spontaneous ignition activation, risking battery drain. Loose contacts can lead to sparking and wiring fires.

Part Role in the Machine and Failure Diagnostics

The ignition switch is the main power control center of the machine.

  • › No response to start (burnt starter contact).
  • › Power loss during operation (internal looseness, mechanical wear).
  • › Difficulty turning the key (dirty tumbler).
  • › Key does not spring back (broken return spring).

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🔧 Expert Guide: Key Installation Tips

  1. Disconnect Battery: Always start replacing the ignition switch by disconnecting the ground (battery isolator) to avoid shorting with the wrench on the housing.
  2. Mark Wires: Before unscrewing cables from the old switch, take a photo or mark them with tape. Connecting "from memory" often ends in error.
  3. Mounting Nut: Tighten the ring securing the switch to the panel with feeling. Overtightening can damage the thread in the zinc alloy body.

Technical FAQ and Trivia

What does "Anti-Restart" mean?

It is a mechanical lock inside the switch that prevents turning the key to START again when the engine is already running (or the key is in ON). To restart, you must turn the key back to OFF. This protects the starter gear and flywheel ring gear from destruction.

Does it fit 24V systems?

Yes, switch 9G7641 is adapted to work in both 12V and 24V systems. The decisive factor is the current load of the contacts, which is very high in this model.

Trivia about CAT D11

This switch fits, among others, the largest CAT bulldozer - the D11 model. This gigantic machine weighs over 100 tons and has an 850 HP engine. Despite its size and advancement, it uses the same simple and reliable component to start as a small backhoe loader!

Znak zapytania

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.

SKX1043594A
9G7641
0.35 kg

Data sheet

SUITABLE FOR
CAT
MACHINE TYPE
BACKHOE LOADER
DOZER
EXCAVATOR
OEM NUMBERS
9G7641

Specific References

MPN
9G7641
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Ignition switch suitable for CAT machines

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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

43.05 zł

net price
35,00 zł
Available in large quantity Temporarily unavailable
35,00 zł
net price

43.05 zł

gross price
Nie możesz dodać więcej produktów
  • You will receive 4 points, it gives you 1.60 zł
  • Lowest price from 30 days before the discount: 43.05 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    CAT
    MACHINE TYPE
    BACKHOE LOADER
    DOZER
    EXCAVATOR
    OEM NUMBERS
    9G7641

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    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

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    Order pick-up - Monday - Friday (8:00 AM – 4:30 PM)

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