How do I confirm pilotpart587475-9001890939128 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

Relief Valve 177-2708 for Caterpillar CAT Excavator 330C 345B W345B

For Caterpillar Main & Relief Valve

Main & Relief Valve 177-2708 for Caterpillar

OEM / REF: 177-2708SKU: pilotpart587475-9001890939128

Relief Valve 177-2708 for Caterpillar CAT Excavator 330C 345B W345B is a Main & Relief Valve replacement part for Caterpillar Hydraulic & Pneumatic Parts, categorized under Hydraulic & Pneumatic Parts > Main & Relief Valve. Use OEM part number 177-2708 and confirm machine model, engine model, and serial details befo...

Stock: In stock
Condition: New
Fitment: Caterpillar Hydraulic & Pneumatic Parts
Category: Main & Relief Valve

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$83.00USD/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.

Main & Relief Valve Description

This Main & Relief Valve is indexed for Caterpillar s: Fit for Caterpillar Excavator 330C L, 345B, 345B II, 345B II MH, 345B L, W345B II. Compare reference number 177-2708 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: CA1772708, 345B. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

177-2708 CA1772708345B

Applications

Caterpillar s: Fit for Caterpillar Excavator 330C L, 345B, 345B II, 345B II MH, 345B L, W345B II

Fitment Notes

Brand or application signal: Caterpillar Hydraulic & Pneumatic Parts
Product family: Main & Relief Valve
System category: Hydraulic & Pneumatic Parts > Hydraulic & Pneumatic Valves > Main & Relief Valve
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.