Lycoming Vernatherm Thermostatic Oil Cooler Bypass Valve Assembly - 53E22144
The Lycoming Vernatherm Thermostatic Oil Cooler Bypass Valve Assembly, OEM part number 53E22144, bolts directly into Lycoming Oil Pressure Screen Housing, OEM Part Number 69510, protected by a Lycoming Oil Pressure Screen, OEM part number 62817, mounts onto the accessory housing on a Lycoming Gasket, OEM part number 61173.
There is a current Service Instruction for this part. See Lycoming Service Instruction 1423A dated May 13, 2016, or later for supersedure information. A second Service Instructure issued in July 2016 explains the exchange or replacement of the pressure-operated bypass valve with the vernatherm assembly. Thermostatic Oil Cooler Bypass Valve 75944 has been replaced by 53E22144 Bypass Valve. The Lycoming Service Instruction is available by clicking HERE and also the link at the bottom of this page. Please review this bulletin before ordering this product.
NSN: 4820-01-424-2583
Part supersedure and alternate replacement parts history:
- Part Number: 75944 VALVE: TEMP CONTROL, USE 53E22144
- Part Number: 54E19600 VALVE: TEMP CONTROL, USE 53E22144
- Part Number: 53E19600 VALVE: TEMP CONTROL, USE 53E22144
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| Dimensions | |
|---|---|
| Dimensions (W x H x D) | 4.1" X 1.9" X 2" |
| Length | 4.1" |
| Weight | 1 Lbs |
| Specifications | |
|---|---|
| 8130-3 Eligible | Yes |
| ATA Chapter | 71 - Powerplant |
| Available Conditions | NE / NS |
| Cage Code | 80254 |
| Country of origin | United States of America |
| ECCN / USML | 9A991.d |
| FAA Approval Code | PC |
| Hazmat Code | Not Applicable |
| Hazmat(Y/N) | N |
| Schedule B | 8481.40.0000 |
| Total Shelf Life (days) | Not Applicable |
| Units of Measure (UoM) | Each |
| Brand | Lycoming Engines |