How do I confirm pilotpart306543 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

Coupling 099-6444 For Caterpillar Excavator Cat 305.5 306 306E 307 307B 307C 307D 307E 308C 308D E70B

For Caterpillar Hydraulic Coupler

Hydraulic Coupler 099-6444 for Caterpillar Mitsubishi 4M40 Engine

OEM / REF: 099-6444SKU: pilotpart306543

Coupling 099-6444 For Caterpillar Excavator Cat 305.5 306 306E 307 307B 307C 307D 307E 308C 308D E70B is a Hydraulic Coupler replacement part indexed for Caterpillar 305.5 · Mitsubishi 4M40 and Caterpillar 306 · Mitsubishi 4M40, with 3 application records on file. Match OEM part number 099-6444 and confirm fitment f...

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

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$93.99USD/EA

~~$9,899.00~~Save 99%

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Aug 9 – Aug 16
10	Aug 7 – Aug 14
50	Aug 5 – Aug 12

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.

Hydraulic Coupler Description

This Hydraulic Coupler is indexed for Caterpillar 305.5 · Mitsubishi 4M40; Caterpillar 306 · Mitsubishi 4M40; Caterpillar 306E · Caterpillar C2.6; Caterpillar 307 · Mitsubishi 4D32. Compare reference number 099-6444 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: CA0996444. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

099-6444 CA0996444

Applications

Caterpillar 305.5 · Mitsubishi 4M40
Caterpillar 306 · Mitsubishi 4M40
Caterpillar 306E · Caterpillar C2.6
Caterpillar 307 · Mitsubishi 4D32
Caterpillar 307B · Mitsubishi 4M40
Caterpillar 307C · Mitsubishi 4M40
Caterpillar 307C SB · Mitsubishi 4M40
Caterpillar 307D · Mitsubishi 4M40
Caterpillar 307E · Caterpillar C2.6
Caterpillar 308C CR · Mitsubishi 4M40
Caterpillar 308D · Mitsubishi 4M40
Caterpillar E70B · Mitsubishi 4D32
Caterpillar Fit for Caterpillar CAT Excavator: 305.5, 306, 306E, 307, 307B, 307C, 307C SB, 307D, 307E, 308C CR, 308D, E70B, 307E2

Specifications

Size	215*118
Part Number	099-6444, 0996444, CA0996444

Fitment Notes

Brand or application signal: Caterpillar Hydraulic & Pneumatic Parts
Product family: Hydraulic Coupler
System category: Hydraulic & Pneumatic Parts > Connections > Hydraulic Coupler
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.