B312999125 - OEM Seals Kit - Case Construction
B312999125 - OEM Seals Kit - Case Construction
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Case Construction OEM Part No. B312999125

Seals Kit

Case Construction

$91.00 Available
12 verified fitments
Select your machine to check fit
Not sure it’s the right part? Talk to a parts specialist (740) 432-6303Mon–Fri 7:30 AM–5 PM EST
Ships nationwideUPS, USPS & freight
30-day returnsNew, unused parts
OEM guaranteedDirect from manufacturer
Machine Model Years / S/N
Excavator CX35D 2025
Excavator CX30D 2025
Excavator CX35D —
Excavator CX28D —
Excavator CX34D 2025
Excavator CX38D 2025
Excavator E30D 2025
Excavator E35D 2025
Excavator E28D —
Excavator E34D 2025

OEM Seals Kit Seal Kit Arm Cylinder #B312999125 - OEM Hydraulic Component Replacement for Case Construction Equipment This OEM service replacement repairs worn equipment systems affected by repair of pumps, valves, or cylinders with poor actuation or oil bypass, a condition often paired with internal leakage, pressure drop, hydraulic drift, and weak system response. Aligned with search intent around hydraulic drift repair, oil bypass service, and heavy equipment hydraulic component replacement service parts.

More Details

Part Number: B312999125

Application: Repair application: Hydraulic system replacement component used to repair pressure loss, drift, slow response, internal leakage, or failed actuation.

Key Features:

  • OEM replacement for worn hydraulic components with leakage or pressure-control issues
  • Helps restore reliable actuation, hydraulic response, and oil-flow control
  • Direct-fit service part for heavy equipment repair and maintenance work

Fits Case Models: Compatible with various Case construction equipment models - verify fitment before ordering

Replaces: Refer to manufacturer cross-reference if applicable

WARNING:For California residents — Cancer and Reproductive Harm. www.P65Warnings.ca.gov

Manufacturer part number
B312999125
Brand
Case Construction
Condition
OEM, new
Category
Case Construction
Weight
0.13 lb

Ships nationwide. In-stock parts ordered before 2:30 PM ET ship the same business day. Your exact shipping cost and delivery estimate are calculated at checkout from your ZIP code and the part’s size and weight; oversized and truck-freight items may need extra transit time and freight charges.

Free branch pickup is also available across Ohio, Indiana, Michigan, and Kentucky — just choose it at checkout.

30-day returns. New, unused parts in original packaging may be returned within 30 days. Some items — including electrical, special-order, and direct-from-supplier parts — are non-returnable. See our full return policy.

$91.00

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