New 4H6112 Breather Replacement suitable for Caterpillar Equipment
- New Breather Replacement suitable for Caterpillar Equipment
- Made to USA Specification
Buy with Confidence: All parts are covered by our warranty
Exact Fit Guarantee
This part is guaranteed to fit your machine.
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We'll overnight correct part at no cost to you.
Exact Fit Guarantee®
×WILL PART FIT?
Yes, it will fit! We offer an Exact Fit Guarantee® or
get your money back.
HOW WE GUARANTEE, EXACT FIT
Before shipping your order, we use CAT SIS to ensure
this part is the exact fit for your equipment.
BUY WITH CONFIDENCE
Purchase with confidence because this part includes a
1 year warranty and it's guaranteed to fit & perform.
Description for 4H6112 Hyd Tank Filler Breather
â–¶Specification for 4H6112 Hyd Tank Filler Breather
â–¶Exact Fit Guarantee for 4H6112 Hyd Tank Filler Breather
â–¶| Dimensions | 2.95x2.76x2.36 |
|---|
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Mauricio Rodrigues (Portugal)100%Original Review (Portuguese)
Muito bom atendimento
Ótima empresa
English Translation
Very good service.
Excellent company. -
Tom Vu (Texas, USA)80%I would give 5 stars but my first time ordering from here and using aftermarket parts. The price is reasonable comparing to original Cat parts and the customer support is great and hoping to do more business with them
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Taylor Luke (Minnesota, USA)100%Quick Response. Very much appreciated.
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Ian (Australia)100%Quick and efficient.
Great products and a great team to deal with. We had a small issue with a missing part and the Customer Services Team dealt with it quickly and efficiently and in a way which left me, the customer, feeling entirely satisfied. Would highly recommend. -
Dylan Danek (Texas, USA)100%Awesome service prices and quality parts
Frequently Asked Questions
What is the 4H6112 component used for?
The 4H6112 component plays a specific role in its assembly on Caterpillar equipment, contributing to safe, dependable performance.
How do I install the 4H6112 component?
Fitting the 4H6112 correctly comes down to clean surfaces and following the manual sequence. Work through these steps:
- Shut the machine down and isolate power before working on the assembly
- Clean the mating surfaces and inspect them for wear or damage
- Remove the old part and check the area for debris
- Fit the new 4H6112 in the correct orientation per your service manual
- Reassemble to specification and confirm correct operation before returning to service
Which Caterpillar machines is the 4H6112 compatible with?
Fitment for the 4H6112 depends on your specific Caterpillar model and the assembly it serves, so confirm the application before you order. Or reach out to Propel Parts for help verifying fitment.
Does the 4H6112 component meet performance standards?
Yes. The 4H6112 is manufactured to meet OEM specifications for tolerance and material quality. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications for dependable, long-term performance.
How often should the 4H6112 be replaced?
Plan to replace the 4H6112 during a rebuild of the surrounding components, or sooner if inspection shows it is past its serviceable limit.
What are the signs of a worn or failing 4H6112 component?
When the 4H6112 reaches the end of its service life, the symptoms tend to show up first as performance or wear issues. Look for:
- Visible wear, cracking, or corrosion on inspection
- Reduced performance or reliability in the assembly
- Unusual noise, movement, or leaks near the part
- Premature wear on the components around it
Why is the 4H6112 important, and what related parts work with it?
Replacing the 4H6112 when needed keeps the system within its designed clearances and loads, which extends the life of the surrounding parts and supports dependable performance. Related hardware on our site includes 7W2519 Bolt Head and 1039260 Seal Valve.

We know equipment downtime costs money, so fast and reliable shipping is a priority at Propel Parts. Orders placed on weekdays before 3:00 PM ET typically ship the same day, with expedited delivery options available for many locations when time is critical.
We ship across the U.S., Canada, and over 130 countries worldwide, helping customers keep machines running wherever they operate. Available shipping methods and delivery estimates are shown at checkout so you can select the option that best fits your timeline.
Tracking information is emailed within 24–48 hours after your order is processed, giving you full visibility from dispatch to delivery and peace of mind that your parts are on the way.

Our refund policy is simple. We offer a 30-day, no-hassle return policy, and we make every effort to provide the best service and highest-quality parts possible. If you’re not fully satisfied with your purchase, you may return it within 30 days for a refund. Full details are available on our Returns Policy page.

Buy with confidence. All parts from Propel Parts are covered against material or manufacturer defects for 12 months from the original invoice date. We stand behind every part we sell, so you can count on reliable performance and dependable support. Full details are available on our Warranty Policy page.
Exact Fit Guarantee®
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