Coupling 154-5558 for Caterpillar

OEM / REF: 154-5558SKU: pilotpart893267-9053096411384

Coupling Assembly 154-5558 154-5559 for Caterpillar CAT Engine 3054 C7 Excavator M318 M320 E330C E330B 330B 330C 325C 345B is a Coupling replacement part for Caterpillar Hydraulic & Pneumatic Parts, categorized under Hydraulic & Pneumatic Parts > Coupling. Use OEM part number 154-5558 and confirm machine model, engi...

Stock
In stock
Condition
New
Fitment
Caterpillar Hydraulic & Pneumatic Parts
Category
Coupling
  • Fitment support before you order
  • Worldwide delivery options

Coupling Description

This Coupling is indexed for Caterpillar Fit for following models: Caterpillar CAT Excavator: M318, M315, M315C, M315D, M316C, M316D, M318C, M318C MH, M318D, M318D MH, M318F, M320, M320D2, M320F, M322C, M322D, M322D MH, M322D2, M322D2 MH, M322F, M324D2 MH, 325C, 325D L, 330B L, 330B LN, 330C, 330C FM, 330C L, 330C LN, 330C MH, 345B, 345B L, E330C, E330B, 330B, 330C Caterpillar CAT Material Handler:MH3022, MH3024, MH3026 Caterpillar CAT Track Loader:973K, 973, 973D Caterpillar CAT Forest Product: TK721, 1090, 1190, 1190T, 1290T, 2290, 2390, 2391, 2491, 2590, 511, 521, 521B, 522, 522B, 532, 541, 541, 2, 551, 552, 552, 2, TK711, TK722, TK732, TK741, TK751, TK752. Compare reference number 154-5558 against the label on your existing Caterpillar component before ordering.

Additional cross references on file: CA1545558, 154-5559, CA1545559. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • Caterpillar Fit for following models: Caterpillar CAT Excavator: M318, M315, M315C, M315D, M316C, M316D, M318C, M318C MH, M318D, M318D MH, M318F, M320, M320D2, M320F, M322C, M322D, M322D MH, M322D2, M322D2 MH, M322F, M324D2 MH, 325C, 325D L, 330B L, 330B LN, 330C, 330C FM, 330C L, 330C LN, 330C MH, 345B, 345B L, E330C, E330B, 330B, 330C Caterpillar CAT Material Handler:MH3022, MH3024, MH3026 Caterpillar CAT Track Loader:973K, 973, 973D Caterpillar CAT Forest Product: TK721, 1090, 1190, 1190T, 1290T, 2290, 2390, 2391, 2491, 2590, 511, 521, 521B, 522, 522B, 532, 541, 541, 2, 551, 552, 552, 2, TK711, TK722, TK732, TK741, TK751, TK752

Fitment Notes

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

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.