Case 125B Excavator Filters parts list
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1450B, 1455B, 1080, 1080B, 115, 115P, 1187, 1187B, 1187C, 125B, 125CK, 125PB, 1280, 1280B, 160CK, 170B, 9010B, 9013, 9020B, 9021, 9030B |
Inner Air Filter |
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K0850561 |
$59.00
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1450B, 1455B, 115, 115P, 125CK, 125PB, 160CK, 170B, 170C |
Air Filter (Primary) |
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A43656 |
$154.00
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980B, 1080, 1080B, 1280, 1280B, 1187, 1187B, 1187C, 125CK, 125PB, 40D, 40E, 45, 50D, 50E, 1450B, 1455B |
Primary Air Filter |
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S231996 |
$105.00
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1150B, 1150C, 1150E, 1150G, 1150H, 1155E, 1450, 1450B, 1455B, 1550, 621E, 621F, 621G, 721, 721B, 721C, 721D, 721E, 721F, 721G, 821, 821B, 821C, 821E, 821F, 821G, 921F, 921G, W30, 125B |
Air Precleaner Bowl (12" OD) |
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L30671 |
$19.00
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Replacement engine air filters and precleaner components for the Case 125B excavator, covering primary and secondary air filtration plus air precleaner bowl assemblies for reliable intake protection.
Fits Models At A Glance
- 125 Series: 125B, 125CK, 125PB
Key Notes
- Application: Engine air intake filtration and precleaner protection
- Coverage: Primary air filters, secondary safety elements, precleaner bowls
- Fitment: Verify element dimensions against your machine before ordering
- Maintenance: Replace primary and secondary elements together for best results
Why Choose Broken Tractor
- ✅ Wide selection of Case excavator filter parts
- ✅ Fast shipping from two US locations
- ✅ Knowledgeable support for correct fitment
Frequently Asked Questions
What air filters fit the Case 125B excavator?
Broken Tractor carries primary engine air filters, secondary safety elements, and air precleaner bowl assemblies for the Case 125 series, including the 125B, 125CK, and 125PB. Because fitment can vary by machine, verify the element dimensions against your excavator and match the part number before ordering. If you are unsure, our parts team can help confirm the correct element.
Should I replace the primary and secondary air filters together on a Case 125B?
Yes, replacing the primary and secondary elements together gives the best intake protection. The primary filter handles most of the incoming dust while the secondary safety element guards the engine if the primary fails or is disturbed during service. Broken Tractor offers both primary and secondary filters for the Case 125 series.
What is the secondary air filter part number for the Case 125B?
We carry Secondary Engine Air Filter K0850561, which lists fitment for the Case 125B along with the 125CK and 125PB. Confirm the element dimensions against your machine before ordering, since coverage can vary by serial number. Matching the part number is the most reliable way to get the correct filter.
Does the Case 125B use an air precleaner bowl?
Yes, Broken Tractor offers the Air Precleaner Plastic Bowl L30671 with a 12 inch outer diameter that lists fitment for the 125B. The precleaner separates larger debris before air reaches the primary filter, helping extend element life. Verify the bowl dimensions against your existing assembly before ordering.
How do I know which primary air filter is right for my Case 125 excavator?
Match the filter to your model and confirm the element dimensions, since primary filters like S231996 and A43656 list fitment for the 125CK and 125PB rather than every 125 variant. Coverage can depend on serial number, so compare the part number and measurements to your current filter. For help confirming the right primary filter, call our parts team at (800) 909-7060.
