How do I confirm pilotpart955859 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 Wheel Tractor Scraper 623F 621B 623E 621F Check Valve 4P-7688

For Caterpillar Check Valve

Check Valve 4P-7688 for Caterpillar

OEM / REF: 4P-7688SKU: pilotpart955859

For Caterpillar Wheel Tractor Scraper 623F 621B 623E 621F Check Valve 4P-7688 is a Check Valve replacement part for Caterpillar Hydraulic & Pneumatic Parts, categorized under Hydraulic & Pneumatic Parts > Check Valve. Use OEM part number 4P-7688 and confirm machine model, engine model, and serial details before chec...

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

$38.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 19 – Aug 26
10	Aug 17 – Aug 24
50	Aug 15 – Aug 22

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.

Check Valve Description

This Check Valve is indexed for Caterpillar Model:Caterpillar Wheel Tractor Scraper 623F 621B 623E 621F. Compare reference number 4P-7688 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 4P-76880. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

4P-7688 4P-76880

Applications

Caterpillar Model:Caterpillar Wheel Tractor Scraper 623F 621B 623E 621F

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.