How do I confirm pilotpart405139 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

Pilot Valve for Caterpillar CAT Excavator E303 E306E E306F E305.5

For Caterpillar Joystick Pilot Valve

Joystick Pilot Valve 303.5E for Caterpillar

Q: What part numbers are associated with this Joystick Pilot Valve?

303.5E, 304E, 305.5E, 305E, 308E, 306E, 307E, 303.5E2CR, 304E2CR, 305.5E2CR, 305E2CR, 308E2CR

OEM / REF: 303.5ESKU: pilotpart405139

Pilot Valve for Caterpillar CAT Excavator E303 E306E E306F E305.5 is a Joystick Pilot Valve replacement part for Caterpillar Hydraulic & Pneumatic Parts, categorized under Hydraulic & Pneumatic Parts > Joystick Pilot Valve. Use OEM part number 303.5E and confirm machine model, engine model, and serial details before...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$208.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 16 – Aug 23
10	Aug 14 – Aug 21
50	Aug 12 – Aug 19

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.

Joystick Pilot Valve Description

This Joystick Pilot Valve is indexed for Caterpillar s: Fit for Caterpillar CAT Excavator: 303.5E2CR, 304E2CR, 305.5E2CR, 308E2CR, 305E2CR, 308E2SR, 303.5E, 304E, 305.5E, 305E, 306E, 308E, 306E 2, 307E, 308E2 CR, 305E2 CR, 303.5E 2CR, 305.5E2 CR, 304E 2CR, 304E2, 308E 2CR, 308E 2SR, 305E2 CR, 304E2 CR, 303.5E2 CR, 304.5E, 303.5E2 CR, 305.5E2 CR, 305.5E2, 305.5E2 CR, 307E2, 305.5E2, 307E2, 308E2, 303.5E2, 305E2, 308E2 CR, E303, E306E, E306F, E305.5. Compare reference number 303.5E against the label on your existing Caterpillar component before ordering.

Additional cross references on file: 304E, 305.5E, 305E. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

303.5E304E305.5E305E308E306E307E303.5E2CR 304E2CR 305.5E2CR 305E2CR 308E2CR

Applications

Caterpillar s: Fit for Caterpillar CAT Excavator: 303.5E2CR, 304E2CR, 305.5E2CR, 308E2CR, 305E2CR, 308E2SR, 303.5E, 304E, 305.5E, 305E, 306E, 308E, 306E 2, 307E, 308E2 CR, 305E2 CR, 303.5E 2CR, 305.5E2 CR, 304E 2CR, 304E2, 308E 2CR, 308E 2SR, 305E2 CR, 304E2 CR, 303.5E2 CR, 304.5E, 303.5E2 CR, 305.5E2 CR, 305.5E2, 305.5E2 CR, 307E2, 305.5E2, 307E2, 308E2, 303.5E2, 305E2, 308E2 CR, E303, E306E, E306F, E305.5

Fitment Notes

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