How do I confirm pilotpart218899-8606673600760 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

Pressure Relief Valve 4383889 for Cummins Engine ISZ ISG ISX15 QSX15 B6.7 ISC8.3 ISL9 QSB3.3 QSL9

For Cummins Main & Relief Valve

Main & Relief Valve 4383889 for Cummins

Q: What part numbers are associated with this Main & Relief Valve?

4383889, ISX15, QSX15, ISL9.5, 482947

OEM / REF: 4383889SKU: pilotpart218899-8606673600760

Pressure Relief Valve 4383889 for Cummins Engine ISZ ISG ISX15 QSX15 B6.7 ISC8.3 ISL9 QSB3.3 QSL9 is a Main & Relief Valve replacement part for Cummins Hydraulic & Pneumatic Parts, categorized under Hydraulic & Pneumatic Parts > Main & Relief Valve. Use OEM part number 4383889 and confirm machine model, engine model...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$58.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 12 – Aug 19
10	Aug 10 – Aug 17
50	Aug 8 – Aug 15

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 Cummins s : B6.7 CM2350 B121B, ISC8.3 CM2250, ISL CM2150, ISL9 CM2250, ISL9 CM2350 L101, ISL9 CM2350 L111, L9 CM2350 L116B, L9 CM2350 L119B, L9 CM2350 L120C, L9 CM2350 L123B, QSB3.3 CM2150, QSL9 CM2250, QSL9 CM2350 L102, QSL9 CM2350 L118, QSL9 M CM2250 L106, ISZ, ISG, ISX15, QSX15, ISL9.5. Compare reference number 4383889 against the label on your existing Cummins component before ordering.

Additional cross references on file: ISX15, QSX15, ISL9.5. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

4383889 ISX15 QSX15 ISL9.5 482947

Applications

Cummins s : B6.7 CM2350 B121B, ISC8.3 CM2250, ISL CM2150, ISL9 CM2250, ISL9 CM2350 L101, ISL9 CM2350 L111, L9 CM2350 L116B, L9 CM2350 L119B, L9 CM2350 L120C, L9 CM2350 L123B, QSB3.3 CM2150, QSL9 CM2250, QSL9 CM2350 L102, QSL9 CM2350 L118, QSL9 M CM2250 L106, ISZ, ISG, ISX15, QSX15, ISL9.5

Fitment Notes

Brand or application signal: Cummins 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.