How do I confirm pilotpart587603-9001874653432 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

For Caterpillar Check Valve

Check Valve 3350374 for Caterpillar

OEM / REF: 3350374SKU: pilotpart587603-9001874653432

Oil Return Check Valve 335-0374 for Caterpillar CAT Engine C9 Excavator 330D 345D 349D is a Check Valve replacement part for Caterpillar Hydraulic & Pneumatic Parts, categorized under Hydraulic & Pneumatic Parts > Check Valve. Use OEM part number 3350374 and confirm machine model, engine model, and serial details be...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$81.00USD/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.

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

Check Valve Description

This Check Valve is indexed for Caterpillar s: Fit For Caterpillar CAT Excavator: 330D, 345D, 345D L, 345D L VG, 349D, 349D L. Compare reference number 3350374 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: CA3350374, 345D, 349D. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

3350374 CA3350374345D349D

Applications

Caterpillar s: Fit For Caterpillar CAT Excavator: 330D, 345D, 345D L, 345D L VG, 349D, 349D L

Fitment Notes

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