How do I confirm pilotpart194445 fits my machine?

Compare the OEM or reference part number, machine model, engine model, and serial number. You can also submit a fitment inquiry before ordering.

In Stock

Camshaft 5I7837 for Mitsubishi Engine S4K S6K Caterpillar CAT Excavator 311 311B 312B

For Mitsubishi Crankshaft

Crankshaft 3420500103 for Mitsubishi

Q: What part numbers are associated with this Crankshaft?

3420500103, 5I7837, CA5I7837, 311B, 312B, 9LJ00001-UP, 3064, 6GK00001-UP, 9LJ00262-UP, 6GK00393-UP, 2NS00001-UP, 2LS00001-UP

OEM / REF: 3420500103SKU: pilotpart194445

Camshaft 5I7837 for Mitsubishi Engine S4K S6K Caterpillar CAT Excavator 311 311B 312B is a Crankshaft replacement part indexed for Part Number and Mitsubishi Engine: S4K,S6K For Caterpillar CAT Excavator: 311,311B,312B Details: 311 TRACK-TYPE EXCAVATOR 9LJ00001-UP (MACHINE) POWERED BY 3064 ENGINE 312 TRACK-TYPE EXCA...

Stock: In stock
Condition: New
Fitment: Mitsubishi Engine Spare Parts
Category: Crankshaft

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$455.39USD/EA

~~$52,599.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 22 – Oct 29
10	Oct 20 – Oct 27
50	Oct 18 – Oct 25

Estimates from today; confirm exact lead time before payment.

Quantity

Buy online now or add to your quote list for bulk pricing and fitment confirmation.

Confirm fitment before ordering →

Lead times can vary by freight route and customs. Contact support for expedited shipping.

Crankshaft Description

This Crankshaft is indexed for Part Number; Mitsubishi Engine: S4K,S6K For Caterpillar CAT Excavator: 311,311B,312B Details: 311 TRACK-TYPE EXCAVATOR 9LJ00001-UP (MACHINE) POWERED BY 3064 ENGINE 312 TRACK-TYPE EXCAVATOR 6GK00001-UP (MACHINE) POWERED BY 3064 ENGINE 311 TRACK-TYPE EXCAVATOR 9LJ00262-UP (MACHINE) POWERED BY 3064 ENGINE 312 TRACK-TYPE EXCAVATOR 6GK00393-UP (MACHINE) POWERED BY 3064 ENGINE 312B & 312B L TRACK-TYPE EXCAVATORS 2NS00001-UP (MACHINE) POWERED BY 3064 ENGINE 311B TRACK-TYPE EXCAVATORS 2LS00001-UP (MACHINE) POWERED BY 3064 ENGINE 910G Wheel Loader AKR00001-UP (MACHINE) POWERED BY 3064 Engine; Mitsubishi Mitsubishi Engine:S4K,S6K For Caterpillar CAT Excavator:311,311B,312B Details: 311 TRACK-TYPE EXCAVATOR 9LJ00001-UP (MACHINE) POWERED BY 3064 ENGINE 312 TRACK-TYPE EXCAVATOR 6GK00001-UP (MACHINE) POWERED BY 3064 ENGINE 311 TRACK-TYPE EXCAVATOR 9LJ00262-UP (MACHINE) POWERED BY 3064 ENGINE 312 TRACK-TYPE EXCAVATOR 6GK00393-UP (MACHINE) POWERED BY 3064 ENGINE 312B & 312B L TRACK-TYPE EXCAVATORS 2NS00001-UP (MACHINE) POWERED BY 3064 ENGINE 311B TRACK-TYPE EXCAVATORS 2LS00001-UP (MACHINE) POWERED BY 3064 ENGINE 910G Wheel Loader AKR00001-UP (MACHINE) POWERED BY 3064 Engine; Caterpillar Mitsubishi Engine:S4K,S6K For Caterpillar CAT Excavator:311,311B,312B. Compare reference number 3420500103 against the label on your existing Mitsubishi component before ordering.

Additional cross references on file: 5I7837, CA5I7837, 311B. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

3420500103 5I7837 CA5I7837311B312B9LJ00001-UP30646GK00001-UP 9LJ00262-UP 6GK00393-UP 2NS00001-UP 2LS00001-UP

Applications

Part Number
Mitsubishi Engine: S4K,S6K For Caterpillar CAT Excavator: 311,311B,312B Details: 311 TRACK-TYPE EXCAVATOR 9LJ00001-UP (MACHINE) POWERED BY 3064 ENGINE 312 TRACK-TYPE EXCAVATOR 6GK00001-UP (MACHINE) POWERED BY 3064 ENGINE 311 TRACK-TYPE EXCAVATOR 9LJ00262-UP (MACHINE) POWERED BY 3064 ENGINE 312 TRACK-TYPE EXCAVATOR 6GK00393-UP (MACHINE) POWERED BY 3064 ENGINE 312B & 312B L TRACK-TYPE EXCAVATORS 2NS00001-UP (MACHINE) POWERED BY 3064 ENGINE 311B TRACK-TYPE EXCAVATORS 2LS00001-UP (MACHINE) POWERED BY 3064 ENGINE 910G Wheel Loader AKR00001-UP (MACHINE) POWERED BY 3064 Engine
Mitsubishi Mitsubishi Engine:S4K,S6K For Caterpillar CAT Excavator:311,311B,312B Details: 311 TRACK-TYPE EXCAVATOR 9LJ00001-UP (MACHINE) POWERED BY 3064 ENGINE 312 TRACK-TYPE EXCAVATOR 6GK00001-UP (MACHINE) POWERED BY 3064 ENGINE 311 TRACK-TYPE EXCAVATOR 9LJ00262-UP (MACHINE) POWERED BY 3064 ENGINE 312 TRACK-TYPE EXCAVATOR 6GK00393-UP (MACHINE) POWERED BY 3064 ENGINE 312B & 312B L TRACK-TYPE EXCAVATORS 2NS00001-UP (MACHINE) POWERED BY 3064 ENGINE 311B TRACK-TYPE EXCAVATORS 2LS00001-UP (MACHINE) POWERED BY 3064 ENGINE 910G Wheel Loader AKR00001-UP (MACHINE) POWERED BY 3064 Engine
Caterpillar Mitsubishi Engine:S4K,S6K For Caterpillar CAT Excavator:311,311B,312B

Specifications

Part Number	3420500103, 5I7837, CA5I7837, 5I-7837

Fitment Notes

Brand or application signal: Mitsubishi Engine Spare Parts
Product family: Crankshaft
System category: Engine Spare Parts > Block & Internal Parts > Crankshaft
Recommended verification: OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability: InStock
Shipping: Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns: Returns are easier when fitment is confirmed before ordering.
B2B support: Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.