How do I confirm pilotpart180956 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

Oil Pressure Switch 51-8005 34390-40200 for Caterpillar CAT E200B E320 E320B E320C

For Caterpillar Pressure Switch

Pressure Switch 51-8005 for Caterpillar

Q: What part numbers are associated with this Pressure Switch?

51-8005, 34390-40200, CA5I8005, 5I-8005, 3054, 3046, 3054T, 3066, E200B, E320, E320B, E320C

OEM / REF: 51-8005SKU: pilotpart180956

Oil Pressure Switch 51-8005 34390-40200 for Caterpillar CAT E200B E320 E320B E320C is a Pressure Switch replacement part indexed for Part Number and Caterpillar CAT Engine Model:, with 3 application records on file. Match OEM part number 51-8005 and confirm fitment for Caterpillar Electrical Parts before ordering.

Stock: In stock
Condition: New
Fitment: Caterpillar Electrical Parts
Category: Pressure Switch

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$83.66USD/EA

~~$29,899.00~~Save 100%

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

Confirm fitment before ordering →

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

Pressure Switch Description

This Pressure Switch is indexed for Part Number; Caterpillar CAT Engine Model:; Caterpillar CAT Excavator:; Caterpillar s:For Caterpillar CAT Excavator:E200B, E320, E320B, E320C, 311, 311B, 312, 312B, 312B L, 312C, 315, 315B, 315B L, 315C, 317B LN, 318B, 320, 320 L, 320B, 320C, 321B. Compare reference number 51-8005 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 34390-40200, CA5I8005, 5I-8005. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

51-8005 34390-40200 CA5I8005 5I-8005305430463054T3066E200BE320E320B E320C

Applications

Part Number
Caterpillar CAT Engine Model:
Caterpillar CAT Excavator:
Caterpillar s:For Caterpillar CAT Excavator:E200B, E320, E320B, E320C, 311, 311B, 312, 312B, 312B L, 312C, 315, 315B, 315B L, 315C, 317B LN, 318B, 320, 320 L, 320B, 320C, 321B

Specifications

Part Number	51-8005, 34390-40200, 518005, 3439040200, CA5I8005, 5I-8005, 5I8005

Fitment Notes

Brand or application signal: Caterpillar Electrical Parts
Product family: Pressure Switch
System category: Electrical Parts > Switches > Pressure Switch
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.