Overview – Hydraulic Parts TEE;S 4208909 Series
The Hitachi TEE;S 4208909 fits Hitachi excavator hydraulic and pilot line circuits; because multiple part numbers interchange, we list the related series so you can match what is on your machine.
Parts Characteristics
A three-way threaded tee fitting that splits or joins hydraulic and pilot lines at a branch point. Machined from steel with three threaded ports and a hex body for wrenching, it maintains full flow area through the branch so pilot and return circuits keep their designed pressure behaviour.
Applicable Models & Applications
Used across Hitachi excavator hydraulic circuits; related series references include 4208910, 4217345, 4219346, 4226388, 4239712, 4252786, 4317618, 4448192, 4466996, 4614917 and the A852xxx and YA000xxxxx ranges. Port sizes and thread forms differ between references – match the fitting against your old unit or the parts book page.
Maintenance & Replacement
Trace any hydraulic weep at a fitting to its cause before tightening anything: a cracked flare, a worn O-ring or a corroded thread each need different repairs, and simply pulling harder on the wrench converts a seal replacement into a fitting replacement.
Inspect tee bodies for corrosion and impact damage during under-hood and undercarriage cleaning. A tee in a vulnerable position behind a cover is often the part a thrown stone or dropped tool finds first, and a hairline crack shows only as dampness under pressure.
When fitting a new tee, use fresh seals or the specified thread sealant, start all three threads by hand, and hold the body so the branch aligns with its line before final torque. A tee assembled under twist loads its ports permanently and weeps at the exact joint that was hardest to reach.
Torque line fittings to specification and support long line runs with their clamps so the tee carries no line weight. After assembly, run the circuit and wipe every joint dry – a paper towel left clean under a joint after ten minutes is the cheapest pressure test there is.
Price Reference (USD)
The TEE;S 4208909 generally falls in the USD 15-50 bracket, with expedited freight quoted separately.
Value & Service
We supply brand-new machined tees with thread forms confirmed against your machine model, capped for transit so the ports arrive clean.
This TEE;S is supplied alongside the following series references: 4208910, 4217345, 4219346, 4226388, 4239712, 4252786, 4317618, 4448192, 4466996, 4614917, A852422, A852423, A852433, A852522, A852523, A852543, A852544, A853466, A853566, YA00024575, and more. Any of these can be quoted on request.
Racer Machinery maintains a deep inventory of Hitachi Hydraulic Parts, and the TEE;S 4208909 is available with same-week dispatch for urgent repairs.







