How do I confirm pilotpart378451-8503173480696 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

Thermostat 5I-8010 for Mitsubishi Engine S6KT S6K Caterpillar CAT Excavator E120B E312 E200B

For Caterpillar Thermostat

Thermostat CA5I8010 for Caterpillar

Q: What part numbers are associated with this Thermostat?

CA5I8010, 5I-8010, 5I-7700, CA5I7700

OEM / REF: CA5I8010SKU: pilotpart378451-8503173480696

Thermostat 5I-8010 for Mitsubishi Engine S6KT S6K Caterpillar CAT Excavator E120B E312 E200B is a Thermostat replacement part for Caterpillar Engine Spare Parts, categorized under Engine Spare Parts > Thermostat. Use OEM part number CA5I8010 and confirm machine model, engine model, and serial details before checkout.

Stock: In stock
Condition: New
Fitment: Caterpillar Engine Spare Parts
Category: Thermostat

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$27.00USD/EA

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.

Thermostat Description

This Thermostat is indexed for Caterpillar Caterpillar CAT Engine:3066 For Mitsubishi Engine:S6KT,S6K For Caterpillar CAT Excavator:E120B,E312,E200B,E320,311,311B,311C,312,312B,312C,312C L,312D,313D,314C,315D L,318C,318D L, 319C,319D,319D LN,320 L,320B,320B L,320C,320C FM,320C L,320D,320D LRR,320N,321B,321C,323D L,323D LN. Compare reference number CA5I8010 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 5I-8010, 5I-7700, CA5I7700. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

CA5I8010 5I-8010 5I-7700 CA5I7700

Applications

Caterpillar Caterpillar CAT Engine:3066 For Mitsubishi Engine:S6KT,S6K For Caterpillar CAT Excavator:E120B,E312,E200B,E320,311,311B,311C,312,312B,312C,312C L,312D,313D,314C,315D L,318C,318D L, 319C,319D,319D LN,320 L,320B,320B L,320C,320C FM,320C L,320D,320D LRR,320N,321B,321C,323D L,323D LN

Fitment Notes

Brand or application signal: Caterpillar Engine Spare Parts
Product family: Thermostat
System category: Engine Spare Parts > Lubrication & Cooling Systems > Thermostat
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.