Seal Kit · Seal Kit

CAT120B Pilot Valve Seal Kit Seal Kit

CAT seal & repair kit — CAT120B Pilot Valve Seal Kit

HomeSeal Kit Catalog › CAT120B Pilot Valve Seal Kit
CAT120B Pilot Valve Seal Kit excavator seal kit
Seal & Repair Kit

CAT120B Pilot Valve Seal Kit

CAT seal & repair kit — CAT120B Pilot Valve Seal Kit
Full specsAsk us for the data sheet
ConditionNew · OEM-standard aftermarket
Warranty6–12 months
Lead timeStock 48 h · Non-stock 5–15 days

Seal kits are listed by machine fitment and function. Seals are OEM-standard aftermarket in the original dimensions and materials. Not sure which kit? Send the machine model or a photo on WhatsApp.

About This Seal Kit

CAT seal and repair kits — boom, arm, bucket and control valve seal kits for CAT306/312/120B-class machines, plus travel motor, swing motor, center joint, pilot valve and travel valve kits. Every kit is assembled to the original part numbers.

The CAT120B Pilot Valve Seal Kit is an OEM-standard aftermarket replacement built to the original mounting, spline and port specification. Bolt-on installation — no machining or adaptation required.

Every unit is inspected and pressure-checked before dispatch and ships with a test report. Stock models leave within 48 hours; non-stock units are typically ready in 5–15 days. Sea, air and express shipping are available worldwide, and our team answers quote requests within 12 hours — usually much faster on WhatsApp.

More CAT

View all 144 models in the catalog →

Which kit do I need for my cylinder?

Tell us the machine model and which cylinder (boom, arm, bucket) — or send the cylinder part number. The kits are listed by function and machine fitment; we confirm before shipping.

Are these OEM seals or aftermarket?

OEM-standard aftermarket seals in the correct materials (NBR / PU / PTFE) and hardness. They fit the original gland and piston dimensions without modification.

Can I buy a mixed box?

Yes — seal kits are our steadiest wholesale line. Mix cylinder kits, control valve kits and O-ring boxes in one container; ask for a combined quotation.

Do you supply the O-ring box assortment?

Yes — the O-ring kit is a workshop assortment of the common sizes in a compartmented box.

Get a Quote in 12 Hours

Send your part number, machine model or a nameplate photo — WhatsApp is fastest.

WhatsApp: +86 134 5036 5883 Email: [email protected]
Home All Models Index Hydraulic Pump Catalog Swing Motor Catalog Travel Motor Catalog Reducer Catalog Relief Valve Catalog Hydraulic Pump Guide Swing Motors & Gearboxes Guide Komatsu PC200-8 Parts CAT 320D Parts