Case 621G

Wheel Loader (2014-2020)

Full-size wheel loader for aggregate operations

5 Parts ListedEngine: FPT Tier 4

Specifications

horsepower
197
operating Weight
34,965 lbs
bucket Capacity
3.8 cubic yards

🛒 Shop Parts for Case 621G

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Fuel FiltersCRITICAL
HF100444
Fleetguard
HF100444 Cross Reference | Fleetguard Fuel Filters Equivalent
📅 Replace: Every 250 hours
From:$41.52
2 distributors
Buy $41.52
Hydraulic Filters
P100005
Donaldson
P100005 Cross Reference | Donaldson Hydraulic Filters Equivalent
📅 Replace: Every 250 hours
From:$39.30
2 distributors
Buy $39.30View 2 equivalents
Hydraulic Filters
P100019
Donaldson
P100019 Cross Reference | Donaldson Hydraulic Filters Equivalent
📅 Replace: Annual
From:$44.40
2 distributors
Buy $44.40
Oil Filters
HF100414
Fleetguard
HF100414 Cross Reference | Fleetguard Oil Filters Equivalent
📅 Replace: Annual
From:$60.26
2 distributors
Buy $60.26
Oil Filters
HF100400
Fleetguard
HF100400 Cross Reference | Fleetguard Oil Filters Equivalent
📅 Replace: Every 500 hours
From:$36.46
2 distributors
Buy $36.46

Replacement Parts & Filters

fuel System

Fleetguard HF100444
HF100444 Cross Reference | Fleetguard Fuel Filters Equivalent
Fuel Filters• Replace: Every 250 hoursCRITICAL
Note: Recommended replacement part for Case 621G
View Part →

hydraulic System

Donaldson P100005
P100005 Cross Reference | Donaldson Hydraulic Filters Equivalent
Hydraulic Filters• Replace: Every 250 hours
Note: Recommended replacement part for Case 621G
2 equivalents available
View Part →
Donaldson P100019
P100019 Cross Reference | Donaldson Hydraulic Filters Equivalent
Hydraulic Filters• Replace: Annual
Note: Recommended replacement part for Case 621G
View Part →

engine System

Fleetguard HF100414
HF100414 Cross Reference | Fleetguard Oil Filters Equivalent
Oil Filters• Replace: Annual
Note: Recommended replacement part for Case 621G
View Part →
Fleetguard HF100400
HF100400 Cross Reference | Fleetguard Oil Filters Equivalent
Oil Filters• Replace: Every 500 hours
Note: Recommended replacement part for Case 621G
View Part →

Maintenance Tips for Case 621G

Regular maintenance is critical for the longevity and performance of your Case 621G. Following the recommended service intervals will prevent costly downtime and extend equipment life.

Service Interval Guidelines

  • Daily: Visual inspection of filters, hydraulic leaks, and fluid levels
  • Every 250 hours: Replace hydraulic filters and engine oil filters
  • Every 500 hours: Replace fuel filters, check hydraulic fluid quality
  • Every 1000 hours: Major service including all filters and fluids
  • Annually: Complete system inspection even if hour intervals not reached

Why Use Quality Filters

Hydraulic systems operate at high pressures (2000-3000 PSI) and any contamination can cause expensive component failures. Quality filters protect your investment by:

  • Removing particles that cause wear on pumps, cylinders, and valves
  • Maintaining proper fluid viscosity and cooling
  • Preventing seal damage and hydraulic leaks
  • Extending component life by 2-3x compared to inadequate filtration

OEM vs Aftermarket Parts

Both OEM and quality aftermarket parts can provide excellent service:

  • OEM Parts: Guaranteed fit and warranty compliance, typically 40-60% more expensive
  • Aftermarket (Baldwin, Fleetguard, Donaldson): Meet or exceed OEM specs, significant cost savings
  • Our Recommendation: Use OEM for warranty period, switch to quality aftermarket after

Frequently Asked Questions

What parts fit Case 621G?

We list 5 verified parts for the Case 621G including hydraulic filters, fuel filters, oil filters, and other maintenance components. All parts are cross-referenced to show OEM and aftermarket equivalents.

How often should I service my Case 621G?

Service intervals vary by component. Hydraulic filters typically need replacement every 250-500 hours, fuel filters every 500-1000 hours, and oil filters with each oil change (250-500 hours). Always consult your operator's manual for specific intervals.

Can I use aftermarket parts on my Case 621G?

Yes, quality aftermarket parts from reputable manufacturers like Baldwin, Fleetguard, and WIX meet or exceed OEM specifications at 30-60% lower cost. All parts in our database are verified for dimensional and performance compatibility.

Where can I buy parts for Case 621G?

We provide buy buttons linking to authorized distributors and online retailers. Compare prices and availability across multiple sources to get the best deal. All links support our service at no extra cost to you.

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