Case DH4 Trencher Filters

Case DH4 Trencher Filters parts list
Image	Fits Model	Description	Details	Part #	Price	Product Details
	See Details	350, 310E, 580F, 1845, 420, 444	Primary Air Filter (350 Single Element)		D40349	$42.00	View Info

Replacement filters for the Case DH4 trencher, covering primary air filtration and related service elements to keep engine intake protected during trenching operations.

Fits Models At A Glance

DH Series Trencher: DH4

Key Notes

Application: Air filtration for the Case DH4 trencher engine intake
Part Types: Primary air filter elements and service filters
Condition: New replacement filters for routine maintenance
Fitment: Confirm by part number or serial number for correct match

Why Choose Broken Tractor

✅ Filters matched to Case trencher fitment
✅ Friendly parts team ready to verify models
✅ Fast shipping from two locations

Frequently Asked Questions

What filters fit a Case DH4 trencher?

We carry replacement air filtration elements suited to the Case DH4 trencher. Because filters vary by build and serial number, matching the part number is the surest way to confirm fitment. Our parts team can help you verify the correct element.

How often should I replace the air filter on a Case DH4?

Air filters should be replaced when they become clogged or damaged, or on the interval in your maintenance schedule. Trenching in dusty conditions can shorten filter life, so inspect the element regularly. Keeping a spare on hand helps avoid downtime.

What is a primary air filter and why does the DH4 need one?

A primary air filter is the main element that protects the engine from dust and debris pulled in through the intake. On a trencher like the DH4, clean intake air is critical because the machine works in constant dirt and dust. A worn or dirty filter reduces performance and can lead to engine wear.

How do I confirm the right filter for my Case DH4?

Match the part number stamped on your existing filter or confirm your machine serial number with our parts team. Call (800) 909-7060 and we will help you find the correct element for your DH4 trencher.