How do I confirm pilotpart349587-8614621905144 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

Check Valve 3967782 for Cummins Engine 6B5.9 6C8.3 ISBE4 ISC ISL ISL9 ISL9.5 ISLE4 QSB3.3 QSC8.3 QSL9

For Cummins Check Valve

Check Valve 6C8.3 for Cummins

OEM / REF: 6C8.3SKU: pilotpart349587-8614621905144

Check Valve 3967782 for Cummins Engine 6B5.9 6C8.3 ISBE4 ISC ISL ISL9 ISL9.5 ISLE4 QSB3.3 QSC8.3 QSL9 is a Check Valve replacement part for Cummins Hydraulic & Pneumatic Parts, categorized under Hydraulic & Pneumatic Parts > Check Valve. Use OEM part number 6C8.3 and confirm machine model, engine model, and serial d...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$57.00USD/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

The product belongs to Hydraulic & Pneumatic Parts > Hydraulic & Pneumatic Valves > Check Valve, making it useful when comparing related hydraulic & pneumatic parts Check Valve options for Cummins Hydraulic & Pneumatic Parts.

Additional cross references on file: 3967782. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

6C8.33967782

Fitment Notes

Brand or application signal: Cummins 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.