The Ultimate Guide to CAT Excavator Parts: Everything You Need to Know

Get the right parts fast so your machine spends more time working and less time waiting. This guide shows simple steps to find model-based matches using quick search and category filters.

We cover common attachments like the 60" Ditch Bucket (PV535), the 24" Bucket (PV533), and the 18" Bucket (PV532) that fit 311 and 312 series machines. You’ll learn how to read fitment lists, confirm part numbers, and pick the best aftermarket or OEM option for your equipment.

If you need help, parts experts are available. One call or click gets you back to work with fast shipping, clear warranties, and over 4,000 reviews backing the service.

Key Takeaways

• Use model filters and part numbers to avoid mistakes and save time.
• Check fitment lists for 311 and 312 series before ordering attachments like PV535 or PV533.
• Call parts experts for quick guidance.
• Compare aftermarket warranties and return policies for budget protection.
• Plan shipping and lead times to reduce downtime on the job site.

CAT Excavator Parts Services Tailored for Your Machine

Select your model and let the Quick Search guide you to compatible components and fast support. One Call or Click Gets You Back To Work—pick a model, choose a category, and see only the items built for your equipment.

You can contact a responsive team that knows well cat parts and systems and confirms compatibility before you order. This reduces returns and keeps your service window tight.

We pair online tools with live help so shops and field crews balance speed with certainty. Expect consistent pricing, clear lead times, and documentation that eases fleet management.

"A quick call can fast-track sourcing, verification, and checkout when the clock is ticking."

• Model-specific guidance maps directly to your machine for a precise fit.
• We help plan preventive maintenance and stock common wear components.
• For older or unusual models, the team locates hard-to-find options and verified alternatives.

CAT Excavator Parts

Match the right bucket or cylinder to your machine using exact model compatibility and lifting weights for safe transport.

Browse core categories for heavy equipment—buckets, cylinders, seal kits, filters, undercarriage, and electrical—each mapped to your serial and configuration.

• Fitment facts: 60" Ditch Bucket (Part #: PV535, 940 lbs) and 24" Bucket (PV533, 795 lbs) fit 311/312 families and E110B/E120B.
• Narrow work: 18" Bucket (PV532, 656 lbs) offers precise trenching and correct pin sizing for smooth install.
• Logistics & safety: Weight, duty class, and edge profile specs help plan rigging, transport, and site handling.

Each listing ties a category to exact model compatibility so you can cross-check fast. Our team notes availability and lead times to reduce surprises.

Choose with confidence: clear quality specs and fitment data mean fewer returns and safer field work.

How to Find the Right Parts the First Time

Begin with your machine model and serial number to lock in exact-fit replacements quickly. This small step prevents returns and lost hours on the job.

Use the excavator cylinder identification diagram to tell whether you need a boom, stick, or bucket kit. HW Part Store offers full seal kits, an identification guide, and a fit guarantee with warranty.

• Cross-check stamped part numbers or your manual before ordering to confirm compatibility.
• Measure pin size, center-to-center spacing, and bushing specs so the component installs without modification.
• For hydraulics, verify rod diameter, bore size, and seal profile to reduce leak risk.
• Match duty rating and material to the job—trenching and loading demand different edges and wear profiles.
• Keep photos and measurements of old parts; sharing them with support speeds verification.

Before checkout, double-check return windows, packaging rules, and warranty coverage. If you can’t find the right data, contact a parts expert to validate fit and suggest alternatives that suit your timeline and budget.

Aftermarket Options That Balance Quality, Performance, and Price

Smart aftermarket sourcing balances upfront price with long-term uptime for your equipment.

Modern aftermarket lines help you control money without giving up quality or field performance. Reputable alternatives are engineered for exact fit and tested to OEM-equivalent specs.

Top part stores research options, locates hard-to-find components, and backs selections with a fit guarantee and warranty. That reduces risk when you try cost-effective excavator parts on an older machine.

• Improve availability for older models so proven iron stays productive.
• Compare brands by lead time, warranty, and lifecycle cost—not just sticker price.
• Choose correct hardness and materials for high-wear items to extend service life.

When time and money are tight, your advisor can match options that hit performance targets and keep downtime low. Ask for documented specs and test data so you install with confidence.

Fast Shipping and Hassle-Free Returns to Minimize Downtime

When every hour counts, reliable delivery and easy returns keep your machine on schedule.

Part stores offer fast domestic lanes so critical parts reach your crew in time for planned service windows.

Some providers also ship worldwide via UPS to over many countries to support cross-border projects and distributed equipment fleets.

• Clear 30-day return policy lets you swap items if specs change.
• Every order includes a fit guarantee and warranty for added confidence.
• We set cut-off times, pick carriers, and package to match your jobsite receiving rules.
• Proactive status updates help you plan lifts, install windows, and on-site testing.

If you coordinate multiple shipments, our team can consolidate attachments and hardware to simplify receiving and reduce handling time.

Expert Support When You Need It

A direct line to a knowledgeable team saves time and prevents ordering mistakes. Call for immediate help from a parts pro who will cross-check specs and prioritize your parts need.

Top-notch support is available five days a week. Our staff will verify compatibility, plan maintenance, and map deliveries to your service calendar.

Secure checkout keeps billing clear and protects card data—payments process without storing your details. That speeds order confirmation and reduces admin delays.

"One call connects you to a single point of contact who streamlines decisions and reduces downtime."

• Translate symptoms like drift or heat into likely fixes and the exact parts and service steps needed.
• Request a parts roadmap for staggered deliveries to match crew availability.
• Enjoy proven outcomes—over 4,000 reviews reflect consistent support for cat owners and their machine fleets.

Ready to Keep Your Excavator Working Today

When downtime isn't an option, find exact-fit components and delivery that sync with your crew. Use Quick Search by model and category to find right options fast and confirm documented fitment for select items like PV535, PV533, and PV532.

If you need help now, call to verify specs, finalize the part, and speed checkout. Choose from attachments, seal kits, undercarriage track updates, and other components to stabilize performance.

Fast shipping, a clear warranty, and 30-day returns protect your spend and save money when plans change. From first quote to final install, you get one source for excavator parts, guidance, and follow-through so your equipment stays productive.